Package org.apache.axis.wsdl.symbolTable

Source Code of org.apache.axis.wsdl.symbolTable.SymbolTable

/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution,
*    if any, must include the following acknowledgment:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Axis" and "Apache Software Foundation" must
*    not be used to endorse or promote products derived from this
*    software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
*    nor may "Apache" appear in their name, without prior written
*    permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.axis.wsdl.symbolTable;

import org.apache.axis.Constants;
import org.apache.axis.enum.Style;
import org.apache.axis.enum.Use;
import org.apache.axis.utils.Messages;
import org.apache.axis.utils.URLHashSet;
import org.apache.axis.utils.XMLUtils;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.wsdl.Binding;
import javax.wsdl.BindingFault;
import javax.wsdl.BindingInput;
import javax.wsdl.BindingOperation;
import javax.wsdl.BindingOutput;
import javax.wsdl.Definition;
import javax.wsdl.Fault;
import javax.wsdl.Import;
import javax.wsdl.Input;
import javax.wsdl.Message;
import javax.wsdl.Operation;
import javax.wsdl.Output;
import javax.wsdl.Part;
import javax.wsdl.Port;
import javax.wsdl.PortType;
import javax.wsdl.Service;
import javax.wsdl.WSDLException;
import javax.wsdl.extensions.http.HTTPBinding;
import javax.wsdl.extensions.mime.MIMEContent;
import javax.wsdl.extensions.mime.MIMEMultipartRelated;
import javax.wsdl.extensions.mime.MIMEPart;
import javax.wsdl.extensions.soap.SOAPBinding;
import javax.wsdl.extensions.soap.SOAPBody;
import javax.wsdl.extensions.soap.SOAPFault;
import javax.wsdl.extensions.soap.SOAPHeader;
import javax.wsdl.extensions.soap.SOAPHeaderFault;
import javax.wsdl.extensions.UnknownExtensibilityElement;
import javax.wsdl.factory.WSDLFactory;
import javax.wsdl.xml.WSDLReader;
import javax.xml.namespace.QName;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.rpc.holders.BooleanHolder;
import javax.xml.rpc.holders.IntHolder;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Vector;

/**
* This class represents a table of all of the top-level symbols from a set of WSDL Definitions and
* DOM Documents:  XML types; WSDL messages, portTypes, bindings, and services.
*
* This symbolTable contains entries of the form <key, value> where key is of type QName and value is
* of type Vector.  The Vector's elements are all of the objects that have the given QName.  This is
* necessary since names aren't unique among the WSDL types.  message, portType, binding, service,
* could all have the same QName and are differentiated merely by type.  SymbolTable contains
* type-specific getters to bypass the Vector layer:
*   public PortTypeEntry getPortTypeEntry(QName name), etc.
*/
public class SymbolTable {
    // Should the contents of imported files be added to the symbol table?
    private boolean addImports;

    // The actual symbol table.  This symbolTable contains entries of the form
    // <key, value> where key is of type QName and value is of type Vector.  The
    // Vector's elements are all of the objects that have the given QName.  This
    // is necessary since names aren't unique among the WSDL types.  message,
    // portType, binding, service, could all have the same QName and are
    // differentiated merely by type.  SymbolTable contains type-specific
    // getters to bypass the Vector layer:
    // public PortTypeEntry getPortTypeEntry(QName name), etc.

    private HashMap symbolTable = new HashMap();

    // a map of qnames -> Elements in the symbol table
    private final Map elementTypeEntries = new HashMap();
    // an unmodifiable wrapper so that we can share the index with others, safely
    private final Map elementIndex = Collections.unmodifiableMap(elementTypeEntries);
    // a map of qnames -> Types in the symbol table
    private final Map typeTypeEntries = new HashMap();
    // an unmodifiable wrapper so that we can share the index with others, safely
    private final Map typeIndex = Collections.unmodifiableMap(typeTypeEntries);

    /** cache of nodes -> base types for complexTypes.  The cache is
     * built on nodes because multiple TypeEntry objects may use the
     * same node.
     */
    protected final Map node2ExtensionBase = new HashMap(); // allow friendly access

    private boolean verbose;

    private BaseTypeMapping btm = null;

    // should we attempt to treat document/literal WSDL as "rpc-style"
    private boolean nowrap;
    // Did we encounter wraped mode WSDL
    private boolean wrapped = false;

    public static final String ANON_TOKEN = ">";

    private Definition def = null;
    private String     wsdlURI = null;

    /**
     * Construct a symbol table with the given Namespaces.
     */
    public SymbolTable(BaseTypeMapping btm, boolean addImports,
            boolean verbose, boolean nowrap) {
        this.btm = btm;
        this.addImports = addImports;
        this.verbose = verbose;
        this.nowrap = nowrap;
    } // ctor

    /**
     * Get the raw symbol table HashMap.
     */
    public HashMap getHashMap() {
        return symbolTable;
    } // getHashMap

    /**
     * Get the list of entries with the given QName.  Since symbols can share QNames, this list is
     * necessary.  This list will not contain any more than one element of any given SymTabEntry.
     */
    public Vector getSymbols(QName qname) {
        return (Vector) symbolTable.get(qname);
    } // get

    /**
     * Get the entry with the given QName of the given class.  If it does not exist, return null.
     */
    public SymTabEntry get(QName qname, Class cls) {
        Vector v = (Vector) symbolTable.get(qname);
        if (v == null) {
            return null;
        }
        else {
            for (int i = 0; i < v.size(); ++i) {
                SymTabEntry entry = (SymTabEntry) v.elementAt(i);
                if (cls.isInstance(entry)) {
                    return entry;
                }
            }
            return null;
        }
    } // get


    /**
     * Get the type entry for the given qname.
     * @param qname
     * @param wantElementType boolean that indicates type or element (for type= or ref=)
     */
    public TypeEntry getTypeEntry(QName qname, boolean wantElementType) {
        if (wantElementType) {
            return getElement(qname);
        } else
            return getType(qname);
    } // getTypeEntry

    /**
     * Get the Type TypeEntry with the given QName.  If it doesn't
     * exist, return null.
     */
    public Type getType(QName qname) {
        return (Type)typeTypeEntries.get(qname);
    } // getType

    /**
     * Get the Element TypeEntry with the given QName.  If it doesn't
     * exist, return null.
     */
    public Element getElement(QName qname) {
        return (Element)elementTypeEntries.get(qname);
    } // getElement

    /**
     * Get the MessageEntry with the given QName.  If it doesn't exist, return null.
     */
    public MessageEntry getMessageEntry(QName qname) {
        return (MessageEntry) get(qname, MessageEntry.class);
    } // getMessageEntry

    /**
     * Get the PortTypeEntry with the given QName.  If it doesn't exist, return null.
     */
    public PortTypeEntry getPortTypeEntry(QName qname) {
        return (PortTypeEntry) get(qname, PortTypeEntry.class);
    } // getPortTypeEntry

    /**
     * Get the BindingEntry with the given QName.  If it doesn't exist, return null.
     */
    public BindingEntry getBindingEntry(QName qname) {
        return (BindingEntry) get(qname, BindingEntry.class);
    } // getBindingEntry

    /**
     * Get the ServiceEntry with the given QName.  If it doesn't exist, return null.
     */
    public ServiceEntry getServiceEntry(QName qname) {
        return (ServiceEntry) get(qname, ServiceEntry.class);
    } // getServiceEntry

    /**
     * Get the list of all the XML schema types in the symbol table.  In other words, all entries
     * that are instances of TypeEntry.
     *
     * @deprecated use specialized get{Element,Type}Index() methods instead
     */
    public Vector getTypes() {
        Vector v = new Vector();
        v.addAll(elementTypeEntries.values());
        v.addAll(typeTypeEntries.values());
        return v;
    } // getTypes

    /**
     * Return an unmodifiable map of qnames -> Elements in the symbol
     * table.
     *
     * @return an unmodifiable <code>Map</code> value
     */
    public Map getElementIndex() {
        return elementIndex;
    }

    /**
     * Return an unmodifiable map of qnames -> Elements in the symbol
     * table.
     *
     * @return an unmodifiable <code>Map</code> value
     */
    public Map getTypeIndex() {
        return typeIndex;
    }

    /**
     * Return the count of TypeEntries in the symbol table.
     *
     * @return an <code>int</code> value
     */
    public int getTypeEntryCount() {
        return elementTypeEntries.size() + typeTypeEntries.size();
    }
   
    /**
     * Get the Definition.  The definition is null until
     * populate is called.
     */
    public Definition getDefinition() {
        return def;
    } // getDefinition

    /**
     * Get the WSDL URI.  The WSDL URI is null until populate
     * is called, and ONLY if a WSDL URI is provided.
     *
     */
    public String getWSDLURI() {
        return wsdlURI;
    } // getWSDLURI

    /**
     * Are we wrapping literal soap body elements.
     */
    public boolean isWrapped() {
        return wrapped;
    }

    /**
     * Turn on/off element wrapping for literal soap body's.
     */
    public void setWrapped(boolean wrapped) {
        this.wrapped = wrapped;
    }

    /**
     * Dump the contents of the symbol table.  For debugging purposes only.
     */
    public void dump(java.io.PrintStream out) {
        out.println();
        out.println(Messages.getMessage("symbolTable00"));
        out.println("-----------------------");
        Iterator it = symbolTable.values().iterator();
        while (it.hasNext()) {
            Vector v = (Vector) it.next();
            for (int i = 0; i < v.size(); ++i) {
                out.println(
                        v.elementAt(i).getClass().getName());
                out.println(v.elementAt(i));
            }
        }
        out.println("-----------------------");
    } // dump


    /**
     * Call this method if you have a uri for the WSDL document
     * @param uri wsdlURI the location of the WSDL file.
     */

    public void populate(String uri)
        throws IOException, WSDLException,
               SAXException, ParserConfigurationException {
        populate(uri, null, null);
    } // populate

    public void populate(String uri, String username, String password)
        throws IOException, WSDLException,
               SAXException, ParserConfigurationException  {
        if (verbose)
            System.out.println(Messages.getMessage("parsing00", uri));

        Document doc = XMLUtils.newDocument(uri, username, password);
        this.wsdlURI = uri;
        try {
            File f = new File(uri);
            if(f.exists()){
                uri = f.toURL().toString();
            }
        } catch (Exception e){
        }
        populate(uri, doc);
    } // populate

    /**
     * Call this method if your WSDL document has already been parsed as an XML DOM document.
     * @param context context This is directory context for the Document.  If the Document were from file "/x/y/z.wsdl" then the context could be "/x/y" (even "/x/y/z.wsdl" would work).  If context is null, then the context becomes the current directory.
     * @param doc doc This is the XML Document containing the WSDL.
     */
    public void populate(String context, Document doc)
        throws IOException, SAXException, WSDLException,
               ParserConfigurationException {
        WSDLReader reader = WSDLFactory.newInstance().newWSDLReader();
        reader.setFeature("javax.wsdl.verbose", verbose);
        this.def = reader.readWSDL(context, doc);

        add(context, def, doc);
    } // populate

    /**
     * Add the given Definition and Document information to the symbol table (including imported
     * symbols), populating it with SymTabEntries for each of the top-level symbols.  When the
     * symbol table has been populated, iterate through it, setting the isReferenced flag
     * appropriately for each entry.
     */
    protected void add(String context, Definition def, Document doc)
            throws IOException, SAXException, WSDLException,
                   ParserConfigurationException {
        URL contextURL = context == null ? null : getURL(null, context);
        populate(contextURL, def, doc, null);
        checkForUndefined();
        populateParameters();
        setReferences(def, doc)// uses wrapped flag set in populateParameters
    } // add

    /**
     * Scan the Definition for undefined objects and throw an error.
     */
    private void checkForUndefined(Definition def, String filename) throws IOException {
        if (def != null) {
            // Bindings
            Iterator ib = def.getBindings().values().iterator();
            while (ib.hasNext()) {
                Binding binding = (Binding) ib.next();
                if (binding.isUndefined()) {
                    if (filename == null) {
                        throw new IOException(
                            Messages.getMessage("emitFailtUndefinedBinding01",
                                    binding.getQName().getLocalPart()));
                    }
                    else {
                        throw new IOException(
                            Messages.getMessage("emitFailtUndefinedBinding02",
                                    binding.getQName().getLocalPart(), filename));
                    }
                }
            }

            // portTypes
            Iterator ip = def.getPortTypes().values().iterator();
            while (ip.hasNext()) {
                PortType portType = (PortType) ip.next();
                if (portType.isUndefined()) {
                    if (filename == null) {
                        throw new IOException(
                            Messages.getMessage("emitFailtUndefinedPort01",
                                    portType.getQName().getLocalPart()));
                    }
                    else {
                        throw new IOException(
                            Messages.getMessage("emitFailtUndefinedPort02",
                                    portType.getQName().getLocalPart(), filename));
                    }
                }
            }

/* tomj: This is a bad idea, faults seem to be undefined
// RJB reply:  this MUST be done for those systems that do something with
// messages.  Perhaps we have to do an extra step for faults?  I'll leave
// this commented for now, until someone uses this generator for something
// other than WSDL2Java.
            // Messages
            Iterator i = def.getMessages().values().iterator();
            while (i.hasNext()) {
                Message message = (Message) i.next();
                if (message.isUndefined()) {
                    throw new IOException(
                            Messages.getMessage("emitFailtUndefinedMessage01",
                                    message.getQName().getLocalPart()));
                }
            }
*/
        }
    }

    /**
     * Scan the symbol table for undefined types and throw an exception.
     */
    private void checkForUndefined() throws IOException {
        Iterator it = symbolTable.values().iterator();
        while (it.hasNext()) {
            Vector v = (Vector) it.next();
            for (int i = 0; i < v.size(); ++i) {
                SymTabEntry entry = (SymTabEntry) v.get(i);

                // Report undefined types
                if (entry instanceof UndefinedType) {
                    QName qn = entry.getQName();

                    // Special case dateTime/timeInstant that changed
                    // from version to version.
                    if ((qn.getLocalPart().equals("dateTime") &&
                         !qn.getNamespaceURI().equals(Constants.URI_2001_SCHEMA_XSD)) ||
                    (qn.getLocalPart().equals("timeInstant") &&
                     qn.getNamespaceURI().equals(Constants.URI_2001_SCHEMA_XSD))) {
                        throw new IOException(
                                Messages.getMessage("wrongNamespace00",
                                                     qn.getLocalPart(),
                                                     qn.getNamespaceURI()));
                    }

                    // Check for a undefined XSD Schema Type and throw
                    // an unsupported message instead of undefined
                    if (SchemaUtils.isSimpleSchemaType(entry.getQName())) {
                        throw new IOException(
                                Messages.getMessage("unsupportedSchemaType00",
                                                     qn.getLocalPart()));
                    }

                    // last case, its some other undefined thing
                    throw new IOException(
                            Messages.getMessage("undefined00",
                                                 entry.getQName().toString()));
                } // if undefined
                else if (entry instanceof UndefinedElement) {
                    throw new IOException(
                            Messages.getMessage("undefinedElem00",
                            entry.getQName().toString()));
                }
            }
        }
    } // checkForUndefined

    /**
     * Add the given Definition and Document information to the symbol table (including imported
     * symbols), populating it with SymTabEntries for each of the top-level symbols.
     * NOTE:  filename is used only by checkForUndefined so that it can report which WSDL file
     * has the problem.  If we're on the primary WSDL file, then we don't know the name and
     * filename will be null.  But we know the names of all imported files.
     */
    private URLHashSet importedFiles = new URLHashSet();
    private void populate(URL context, Definition def, Document doc,
            String filename)
        throws IOException, ParserConfigurationException,
               SAXException, WSDLException {
        if (doc != null) {
            populateTypes(context, doc);

            if (addImports) {
                // Add the symbols from any xsd:import'ed documents.
                lookForImports(context, doc);
            }
        }
        if (def != null) {
            checkForUndefined(def, filename);
            if (addImports) {
                // Add the symbols from the wsdl:import'ed WSDL documents
                Map imports = def.getImports();
                Object[] importKeys = imports.keySet().toArray();
                for (int i = 0; i < importKeys.length; ++i) {
                    Vector v = (Vector) imports.get(importKeys[i]);
                    for (int j = 0; j < v.size(); ++j) {
                        Import imp = (Import) v.get(j);
                        if (!importedFiles.contains(imp.getLocationURI())) {
                            importedFiles.add(imp.getLocationURI());
                            URL url = getURL(context, imp.getLocationURI());
                            populate(url, imp.getDefinition(),
                                    XMLUtils.newDocument(url.toString()),
                                    url.toString());
                        }
                    }
                }
            }
            populateMessages(def);
            populatePortTypes(def);
            populateBindings(def);
            populateServices(def);
        }
    } // populate

    /**
     * This is essentially a call to "new URL(contextURL, spec)" with extra handling in case spec is
     * a file.
     */
    private static URL getURL(URL contextURL, String spec) throws IOException {
        // First, fix the slashes as windows filenames may have backslashes
        // in them, but the URL class wont do the right thing when we later
        // process this URL as the contextURL.
        String path = spec.replace('\\', '/');

        // See if we have a good URL.
        URL url = null;
        try {
            // first, try to treat spec as a full URL
            url = new URL(contextURL, path);

            // if we are deail with files in both cases, create a url
            // by using the directory of the context URL.
            if (contextURL != null &&
                    url.getProtocol().equals("file") &&
                    contextURL.getProtocol().equals("file")) {
                url = getFileURL(contextURL, path);
            }
        }
        catch (MalformedURLException me)
        {
            // try treating is as a file pathname
            url = getFileURL(contextURL, path);
        }

        // Everything is OK with this URL, although a file url constructed
        // above may not exist.  This will be caught later when the URL is
        // accessed.
        return url;
    } // getURL

    private static URL getFileURL(URL contextURL, String path)
            throws IOException {
        if (contextURL != null) {
            // get the parent directory of the contextURL, and append
            // the spec string to the end.
            String contextFileName = contextURL.getFile();
            URL parent = new File(contextFileName).getParentFile().toURL();
            if (parent != null) {
                return new URL(parent, path);
            }
        }
        return new URL("file", "", path);
    } // getFileURL

    /**
     * Recursively find all xsd:import'ed objects and call populate for each one.
     */
    private void lookForImports(URL context, Node node)
        throws IOException, ParserConfigurationException,
               SAXException, WSDLException {
        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if ("import".equals(child.getLocalName())) {
                NamedNodeMap attributes = child.getAttributes();
                Node namespace = attributes.getNamedItem("namespace");
                // skip XSD import of soap encoding
                if (namespace != null &&
                        isKnownNamespace(namespace.getNodeValue())) {
                    continue;
                }
                Node importFile = attributes.getNamedItem("schemaLocation");
                if (importFile != null) {
                    URL url = getURL(context,
                            importFile.getNodeValue());
                    if (!importedFiles.contains(url)) {
                        importedFiles.add(url);
                        String filename = url.toString();
                        populate(url, null,
                                XMLUtils.newDocument(filename), filename);
                    }
                }
            }
            lookForImports(context, child);
        }
    } // lookForImports
   
    /**
     * Check if this is a known namespace (soap-enc or schema xsd or schema xsi or xml)
     * @param namespace
     * @return true if this is a know namespace.
     */
    public boolean isKnownNamespace(String namespace) {
        if (Constants.isSOAP_ENC(namespace))
            return true;
        if (Constants.isSchemaXSD(namespace))
            return true;
        if (Constants.isSchemaXSI(namespace))
            return true;
        if (namespace.equals(Constants.NS_URI_XML))
            return true;
        return false;
    }

    /**
     * Populate the symbol table with all of the Types from the Document.
     */
    public void populateTypes(URL context, Document doc)
        throws IOException, SAXException, WSDLException,
               ParserConfigurationException {
        addTypes(context, doc, ABOVE_SCHEMA_LEVEL);
    } // populateTypes

    /**
     * Utility method which walks the Document and creates Type objects for
     * each complexType, simpleType, or element referenced or defined.
     *
     * What goes into the symbol table?  In general, only the top-level types
     * (ie., those just below
     * the schema tag).  But base types and references can
     * appear below the top level.  So anything
     * at the top level is added to the symbol table,
     * plus non-Element types (ie, base and refd)
     * that appear deep within other types.
     */
    private static final int ABOVE_SCHEMA_LEVEL = -1;
    private static final int SCHEMA_LEVEL = 0;
    private void addTypes(URL context, Node node, int level)
        throws IOException, ParserConfigurationException,
               WSDLException, SAXException {
        if (node == null) {
            return;
        }
        // Get the kind of node (complexType, wsdl:part, etc.)
        QName nodeKind = Utils.getNodeQName(node);

        if (nodeKind != null) {
            String localPart = nodeKind.getLocalPart();
            boolean isXSD = Constants.isSchemaXSD(nodeKind.getNamespaceURI());
            if ((isXSD && localPart.equals("complexType") ||
                 localPart.equals("simpleType"))) {

                // If an extension or restriction is present,
                // create a type for the reference
                Node re = SchemaUtils.getRestrictionOrExtensionNode(node);
                if (re != null  &&
                    Utils.getAttribute(re, "base") != null) {
                    createTypeFromRef(re);
                }

                // This is a definition of a complex type.
                // Create a Type.
                createTypeFromDef(node, false, false);
            }
            else if (isXSD && localPart.equals("element")) {
                // Create a type entry for the referenced type
                createTypeFromRef(node);

                // If an extension or restriction is present,
                // create a type for the reference
                Node re = SchemaUtils.getRestrictionOrExtensionNode(node);
                if (re != null  &&
                    Utils.getAttribute(re, "base") != null) {
                    createTypeFromRef(re);
                }

                // Create a type representing an element.  (This may
                // seem like overkill, but is necessary to support ref=
                // and element=.
                createTypeFromDef(node, true, level > SCHEMA_LEVEL);
            }
            else if (isXSD && localPart.equals("attribute")) {
                // Create a type entry for the referenced type
                BooleanHolder forElement = new BooleanHolder();
                QName refQName = Utils.getTypeQName(node, forElement, false);

                if (refQName != null && !forElement.value) {
                    createTypeFromRef(node);

                    // Get the symbol table entry and make sure it is a simple
                    // type
                    if (refQName != null) {
                        TypeEntry refType = getTypeEntry(refQName, false);
                        if (refType != null &&
                            refType instanceof Undefined) {
                            // Don't know what the type is.
                            // It better be simple so set it as simple
                            refType.setSimpleType(true);
                        } else if (refType == null ||
                                   (!(refType instanceof BaseType) &&
                                    !refType.isSimpleType())) {
                            // Problem if not simple
                            throw new IOException(
                                                  Messages.getMessage("AttrNotSimpleType01",
                                                                       refQName.toString()));
                        }
                    }
                }
            }
            else if (isXSD && localPart.equals("any")) {
                // Map xsd:any element to special xsd:any "type"
                if (getType(Constants.XSD_ANY) == null) {
                    Type type = new BaseType(Constants.XSD_ANY);
                    symbolTablePut(type);
                }
            }
            else if (localPart.equals("part") &&
                     Constants.isWSDL(nodeKind.getNamespaceURI())) {

                // This is a wsdl part.  Create an TypeEntry representing the reference
                createTypeFromRef(node);
            }
            else if (isXSD && localPart.equals("include")) {
                String includeName = Utils.getAttribute(node, "schemaLocation");
                if (includeName != null) {
                    URL url = getURL(context, includeName);
                    Document includeDoc = XMLUtils.newDocument(url.toString());
                    // Vidyanand : Fix for Bug #15124
                    org.w3c.dom.Element schemaEl = includeDoc.getDocumentElement();
                    if( !schemaEl.hasAttribute( "targetNamespace")){
                        org.w3c.dom.Element parentSchemaEl = (org.w3c.dom.Element) node.getParentNode();
                        if( parentSchemaEl.hasAttribute( "targetNamespace")) {
                            // we need to set two things in here
                            // 1. targetNamespace
                            // 2. setup the xmlns=<targetNamespace> attribute
                            String tns = parentSchemaEl.getAttribute( "targetNamespace");
                            schemaEl.setAttribute( "targetNamespace",tns  );
                            schemaEl.setAttribute( "xmlns", tns);
                        }
                    }
                    populate(url, null, includeDoc, url.toString());
                }
            }
        }

        if (level == ABOVE_SCHEMA_LEVEL) {
            if (nodeKind != null && nodeKind.getLocalPart().equals("schema")) {
                level = SCHEMA_LEVEL;
            }
        }
        else {
            ++level;
        }

        // Recurse through children nodes
        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            addTypes(context, children.item(i), level);
        }
    } // addTypes

    /**
     * Create a TypeEntry from the indicated node, which defines a type
     * that represents a complexType, simpleType or element (for ref=).
     */
    private void createTypeFromDef(Node node, boolean isElement,
            boolean belowSchemaLevel) throws IOException {
        // Get the QName of the node's name attribute value
        QName qName = Utils.getNodeNameQName(node);
        if (qName != null) {

            // If the qname is already registered as a base type,
            // don't create a defining type/element.
            if (!isElement && btm.getBaseName(qName)!=null) {
                return;
            }

            // If the node has a type or ref attribute, get the
            // qname representing the type
            BooleanHolder forElement = new BooleanHolder();
            QName refQName = Utils.getTypeQName(node, forElement, false);

            if (refQName != null) {
                // Error check - bug 12362
                if (qName.getLocalPart().length() == 0) {
                    String name = Utils.getAttribute(node, "name");
                    if (name == null) {
                        name = "unknown";
                    }
                    throw new IOException(Messages.getMessage("emptyref00", name));
                }

                // Now get the TypeEntry
                TypeEntry refType = getTypeEntry(refQName, forElement.value);
                if (!belowSchemaLevel) {
                    if (refType == null) {
                        throw new IOException(Messages.getMessage("absentRef00", refQName.toString(), qName.toString()));
                    }
                    symbolTablePut(new DefinedElement(qName, refType, node, ""));
                }
            }
            else {
                // Flow to here indicates no type= or ref= attribute.

                // See if this is an array or simple type definition.
                IntHolder numDims = new IntHolder();
                numDims.value = 0;
                QName arrayEQName = SchemaUtils.getArrayComponentQName(node, numDims);

                if (arrayEQName != null) {
                    // Get the TypeEntry for the array element type
                    refQName = arrayEQName;
                    TypeEntry refType = getTypeEntry(refQName, false);
                    if (refType == null) {
                        // Not defined yet, add one
                        String baseName = btm.getBaseName(refQName);
                        if (baseName != null)
                            refType = new BaseType(refQName);
                        else
                            refType = new UndefinedType(refQName);
                        symbolTablePut(refType);
                    }

                    // Create a defined type or element that references refType
                    String dims = "";
                    while (numDims.value > 0) {
                        dims += "[]";
                        numDims.value--;
                    }

                    TypeEntry defType = null;
                    if (isElement) {
                        if (!belowSchemaLevel) {
                            defType = new DefinedElement(qName, refType, node, dims);
                        }
                    } else {
                        defType = new DefinedType(qName, refType, node, dims);
                    }
                    if (defType != null) {
                        symbolTablePut(defType);
                    }
                }
                else {

                    // Create a TypeEntry representing this  type/element
                    String baseName = btm.getBaseName(qName);
                    if (baseName != null) {
                        symbolTablePut(new BaseType(qName));
                    }
                    else {

                        // Create a type entry, set whether it should
                        // be mapped as a simple type, and put it in the
                        // symbol table.
                        TypeEntry te = null;
                        if (!isElement) {
                            te = new DefinedType(qName, node);

                            // check if we are an anonymous type underneath
                            // an element.  If so, we point the refType of the
                            // element to us (the real type).
                            if (qName.getLocalPart().indexOf(ANON_TOKEN) >= 0 ) {
                                Node parent = node.getParentNode();
                                QName parentQName = Utils.getNodeNameQName(parent);
                                TypeEntry parentType = getElement(parentQName);
                                if (parentType != null) {
                                    parentType.setRefType(te);
                                }
                            }

                        } else {
                            if (!belowSchemaLevel) {
                                te = new DefinedElement(qName, node);
                            }
                        }
                        if (te != null) {
                            if (SchemaUtils.isSimpleTypeOrSimpleContent(node)) {
                                te.setSimpleType(true);
                            }
                            symbolTablePut(te);
                        }
                    }
                }
            }
        }
    } // createTypeFromDef

    /**
     * Node may contain a reference (via type=, ref=, or element= attributes) to
     * another type.  Create a Type object representing this referenced type.
     */
    private void createTypeFromRef(Node node) throws IOException {
        // Get the QName of the node's type attribute value
        BooleanHolder forElement = new BooleanHolder();
        QName qName = Utils.getTypeQName(node, forElement, false);
        if (qName != null) {
            // Error check - bug 12362
            if (qName.getLocalPart().length() == 0) {
                String name = Utils.getAttribute(node, "name");
                if (name == null) {
                    name = "unknown";
                }
                throw new IOException(Messages.getMessage("emptyref00", name));
            }

            // Get Type or Element depending on whether type attr was used.
            TypeEntry type = getTypeEntry(qName, forElement.value);

            // A symbol table entry is created if the TypeEntry is not found
            if (type == null) {
                // See if this is a special QName for collections
                if (qName.getLocalPart().indexOf("[") > 0) {
                    QName containedQName = Utils.getTypeQName(node, forElement, true);
                    TypeEntry containedTE = getTypeEntry(containedQName, forElement.value);
                    if (!forElement.value) {
                        // Case of type and maxOccurs
                        if (containedTE == null) {
                            // Collection Element Type not defined yet, add one.
                            String baseName = btm.getBaseName(containedQName);
                            if (baseName != null) {
                                containedTE = new BaseType(containedQName);
                            } else {
                                containedTE = new UndefinedType(containedQName);
                            }
                            symbolTablePut(containedTE);
                        }
                        symbolTablePut(new CollectionType(qName, containedTE, node, "[]"));
                    } else {
                        // Case of ref and maxOccurs
                        if (containedTE == null) {
                            containedTE = new UndefinedElement(containedQName);
                            symbolTablePut(containedTE);
                        }
                        symbolTablePut(new CollectionElement(qName, containedTE, node, "[]"));
                    }
                } else {
                    // Add a BaseType or Undefined Type/Element
                    String baseName = btm.getBaseName(qName);
                    if (baseName != null)
                        symbolTablePut(new BaseType(qName));
                    else if (forElement.value == false)
                        symbolTablePut(new UndefinedType(qName));
                    else
                        symbolTablePut(new UndefinedElement(qName));
                }
            }
        }
    } // createTypeFromRef

    /**
     * Populate the symbol table with all of the MessageEntry's from the Definition.
     */
    private void populateMessages(Definition def) throws IOException {
        Iterator i = def.getMessages().values().iterator();
        while (i.hasNext()) {
            Message message = (Message) i.next();
            MessageEntry mEntry = new MessageEntry(message);
            symbolTablePut(mEntry);
        }
    } // populateMessages

    /**
     * ensures that a message in a <code>&lt;input&gt;</code>, <code>&lt;output&gt;</code>,
     * or <code>&lt;fault&gt;</fault> element in an <code>&lt;operation&gt;</code>
     * element is valid. In particular, ensures that
     * <ol>
     *   <li>an attribute <code>message</code> is present (according to the
     *      XML Schema for WSDL 1.1 <code>message</code> is <strong>required</strong>
     *
     *   <li>the value of attribute <code>message</code> (a QName) refers to
     *      an already defined message
     * </ol>
     *
     * <strong>Note</strong>: this method should throw a <code>javax.wsdl.WSDLException</code> rather than
     *   a <code>java.io.IOException</code>
     *
     * @param message  the message object
     *
     * @exception IOException thrown, if the message is not valid
     *
     */
    protected void ensureOperationMessageValid(Message message) throws IOException {
       
        // make sure the message is not null (i.e. there is an
        // attribute 'message ')
        //
        if (message == null) {
            throw new IOException(
                "<input>,<output>, or <fault> in <operation ..> without attribute 'message' found. Attribute 'message' is required."
            );
        }

        // make sure the value of the attribute refers to an
        // already defined message
        //     
        if (message.isUndefined()) {
            throw new IOException(
                    "<input ..>, <output ..> or <fault ..> in <portType> with undefined message found. message name is '"
                    + message.getQName().toString()
                    + "'"
            );         
        }      
    }

   
    /**
     * ensures that an an element <code>&lt;operation&gt;</code> within
     * an element <code>&lt;portType&gt;<code> is valid. Throws an exception
     * if the operation is not valid.
     *
     * <strong>Note</strong>: this method should throw a <code>javax.wsdl.WSDLException</code>
     *  rather than a <code>java.io.IOException</code>
     *
     * @param operation  the operation element
     *
     * @exception IOException  thrown, if the element is not valid.
     * @exception IllegalArgumentException  thrown, if operation is null
     */
    protected void ensureOperationValid(Operation operation) throws IOException {
       
        if (operation == null) {
            throw new IllegalArgumentException("parameter 'operation' must not be null");
        }      

        Input input = operation.getInput();
        if (input != null) {
            ensureOperationMessageValid(input.getMessage());
        }

        Output output = operation.getOutput();
        if (output != null) {
            ensureOperationMessageValid(output.getMessage());
        }

        Map faults = operation.getFaults();
        if (faults != null) {
            Iterator it = faults.values().iterator();
            while(it.hasNext()) {
                ensureOperationMessageValid(
                    ((Fault)it.next()).getMessage()
                );
            }              
        }
    }

    /**
     * ensures that an an element <code>&lt;portType&gt;</code>
     * is valid. Throws an exception if the portType is not valid.
     *
     * <strong>Note</strong>: this method should throw a <code>javax.wsdl.WSDLException</code>
     *  rather than a <code>java.io.IOException</code>
     *
     * @param portType  the portType element
     *
     * @exception IOException  thrown, if the element is not valid.
     * @exception IllegalArgumentException  thrown, if operation is null
     */
   
    protected void ensureOperationsOfPortTypeValid(PortType portType) throws IOException {
        if (portType == null)
            throw new IllegalArgumentException("parameter 'portType' must not be null");
           
        List operations = portType.getOperations();
       
        // no operations defined ? -> valid according to the WSDL 1.1 schema
        //
        if (operations == null || operations.size() == 0) return;

        // check operations defined in this portType
        //      
        Iterator it = operations.iterator();
        while(it.hasNext()) {
            Operation operation = (Operation)it.next();
            ensureOperationValid(operation);   
        }       
    }

    /**
     * Populate the symbol table with all of the PortTypeEntry's from the Definition.
     */
    private void populatePortTypes(Definition def) throws IOException {
        Iterator i = def.getPortTypes().values().iterator();
        while (i.hasNext()) {
            PortType portType = (PortType) i.next();


            // If the portType is undefined, then we're parsing a Definition
            // that didn't contain a portType, merely a binding that referred
            // to a non-existent port type.  Don't bother with it.
            if (!portType.isUndefined()) {
                ensureOperationsOfPortTypeValid(portType);
                PortTypeEntry ptEntry = new PortTypeEntry(portType);
                symbolTablePut(ptEntry);
            }           
        }
    } // populatePortTypes
   

    /**
     * Create the parameters and store them in the bindingEntry.
     */
    private void populateParameters() throws IOException {
        Iterator it = symbolTable.values().iterator();
        while (it.hasNext()) {
            Vector v = (Vector) it.next();
            for (int i = 0; i < v.size(); ++i) {
                if (v.get(i) instanceof BindingEntry) {
                    BindingEntry bEntry = (BindingEntry) v.get(i);
                    // Skip non-soap bindings
                    if(bEntry.getBindingType() != BindingEntry.TYPE_SOAP)
                        continue;
                   
                    Binding binding = bEntry.getBinding();
                    PortType portType = binding.getPortType();

                    HashMap parameters = new HashMap();
                    Iterator operations = portType.getOperations().iterator();

                    // get parameters
                    while(operations.hasNext()) {
                        Operation operation = (Operation) operations.next();
                        String namespace = portType.getQName().getNamespaceURI();
                        Parameters parms = getOperationParameters(operation,
                                                                  namespace,
                                                                  bEntry);
                        parameters.put(operation, parms);
                    }
                    bEntry.setParameters(parameters);
                }
            }
        }
    } // populateParameters

    /**
     * For the given operation, this method returns the parameter info conveniently collated.
     * There is a bit of processing that is needed to write the interface, stub, and skeleton.
     * Rather than do that processing 3 times, it is done once, here, and stored in the
     * Parameters object.
     */
    public Parameters getOperationParameters(Operation operation,
                                              String namespace,
                                              BindingEntry bindingEntry) throws IOException {
        Parameters parameters = new Parameters();

        // The input and output Vectors of Parameters
        Vector inputs = new Vector();
        Vector outputs = new Vector();

        List parameterOrder = operation.getParameterOrdering();

        // Handle parameterOrder="", which is techinically illegal
        if (parameterOrder != null && parameterOrder.isEmpty()) {
            parameterOrder = null;
        }

        // All input parts MUST be in the parameterOrder list.  It is an error otherwise.
        if (parameterOrder != null) {
            Input input = operation.getInput();
            if (input != null) {
                Message inputMsg = input.getMessage();
                Map allInputs = inputMsg.getParts();
                Collection orderedInputs = inputMsg.getOrderedParts(parameterOrder);
                if (allInputs.size() != orderedInputs.size()) {
                    throw new IOException(Messages.getMessage("emitFail00", operation.getName()));
                }
            }
        }

        boolean literalInput = false;
        boolean literalOutput = false;
        if (bindingEntry != null) {
            literalInput = (bindingEntry.getInputBodyType(operation) == Use.LITERAL);
            literalOutput = (bindingEntry.getOutputBodyType(operation) == Use.LITERAL);
        }

        // Collect all the input parameters
        Input input = operation.getInput();
        if (input != null && input.getMessage() != null) {
            getParametersFromParts(inputs,
                                   input.getMessage().getOrderedParts(null),
                                   literalInput,
                                   operation.getName(),
                                   bindingEntry);
        }

        // Collect all the output parameters
        Output output = operation.getOutput();
        if (output != null && output.getMessage() != null) {
            getParametersFromParts(outputs,
                                   output.getMessage().getOrderedParts(null),
                                   literalOutput,
                                   operation.getName(),
                                   bindingEntry);
        }

        if (parameterOrder != null) {
            // Construct a list of the parameters in the parameterOrder list, determining the
            // mode of each parameter and preserving the parameterOrder list.
            for (int i = 0; i < parameterOrder.size(); ++i) {
                String name = (String) parameterOrder.get(i);

                // index in the inputs Vector of the given name, -1 if it doesn't exist.
                int index = getPartIndex(name, inputs);

                // index in the outputs Vector of the given name, -1 if it doesn't exist.
                int outdex = getPartIndex(name, outputs);

                if (index >= 0) {
                    // The mode of this parameter is either in or inout
                    addInishParm(inputs, outputs, index, outdex, parameters, true);
                }
                else if (outdex >= 0) {
                    addOutParm(outputs, outdex, parameters, true);
                }
                else {
                    System.err.println(Messages.getMessage("noPart00", name));
                }
            }
        }

        // Some special case logic for JAX-RPC, but also to make things
        // nicer for the user.
        // If we have a single input and output with the same name
        //   instead of: void echo(StringHolder inout)
        //   Do this:  string echo(string in)
        if (wrapped && inputs.size() == 1 && outputs.size() == 1 &&
        ((Parameter)inputs.get(0)).getName().equals(((Parameter)outputs.get(0)).getName())) {
            // add the input and make sure its a IN not an INOUT
            addInishParm(inputs, null, 0, -1, parameters, false);
        } else {
            // Get the mode info about those parts that aren't in the
            // parameterOrder list. Since they're not in the parameterOrder list,
            // the order is, first all in (and inout) parameters, then all out
            // parameters, in the order they appear in the messages.
            for (int i = 0; i < inputs.size(); i++) {
                Parameter p = (Parameter)inputs.get(i);
                int outdex = getPartIndex(p.getName(), outputs);
                addInishParm(inputs, outputs, i, outdex, parameters, false);
            }
        }

        // Now that the remaining in and inout parameters are collected,
        // determine the status of outputs.  If there is only 1, then it
        // is the return value.  If there are more than 1, then they are
        // out parameters.
        if (outputs.size() == 1) {
            parameters.returnParam = (Parameter)outputs.get(0);
            parameters.returnParam.setMode(Parameter.OUT);
            if (parameters.returnParam.getType() instanceof DefinedElement) {
                parameters.returnParam.setQName(
                        parameters.returnParam.getType()
                        .getQName());
            }
            ++parameters.outputs;
        }
        else {
            for (int i = 0; i < outputs.size(); i++) {
                addOutParm(outputs, i, parameters, false);
            }
        }
        parameters.faults = operation.getFaults();

        // before we return the paramters,
        // make sure we dont have a duplicate name
        Vector used = new Vector(parameters.list.size());
        Iterator i = parameters.list.iterator();
        while (i.hasNext()) {
            Parameter parameter = (Parameter) i.next();
            int count = 2;
            while (used.contains(parameter.getName())) {
                // duplicate, add a suffix and try again
                parameter.setName(parameter.getName() + Integer.toString(count++));
            }
            used.add(parameter.getName());
        }
               
        return parameters;
    } // parameters

    /**
     * Return the index of the given name in the given Vector, -1 if it doesn't exist.
     */
    private int getPartIndex(String name, Vector v) {
        for (int i = 0; i < v.size(); i++) {
            if (name.equals(((Parameter)v.get(i)).getName())) {
                return i;
            }
        }
        return -1;
    } // getPartIndex

    /**
     * Add an in or inout parameter to the parameters object.
     */
    private void addInishParm(Vector inputs,
                              Vector outputs,
                              int index,
                              int outdex,
                              Parameters parameters,
                              boolean trimInput) {
        Parameter p = (Parameter)inputs.get(index);
        // If this is an element, we want the XML to reflect the element name
        // not the part name.  Same check is made in addOutParam below.
        if (p.getType() instanceof DefinedElement) {
            DefinedElement de = (DefinedElement)p.getType();
            p.setQName(de.getQName());
        }
        // If this is a collection we want the XML to reflect the type in
        // the collection, not foo[unbounded]. 
        // Same check is made in addOutParam below.
        if (p.getType() instanceof CollectionElement) {
            p.setQName(p.getType().getRefType().getQName());
        }

        // Should we remove the given parameter type/name entries from the Vector?
        if (trimInput) {
            inputs.remove(index);
        }

        // At this point we know the name and type of the parameter, and that it's at least an
        // in parameter.  Now check to see whether it's also in the outputs Vector.  If it is,
        // then it's an inout parameter.       
         if (outdex >= 0) {
            Parameter outParam = (Parameter)outputs.get(outdex);
            if (p.getType().equals(outParam.getType())) {
                outputs.remove(outdex);
                p.setMode(Parameter.INOUT);
                ++parameters.inouts;
            } else {
                // If we're here, we have both an input and an output
                // part with the same name but different types.... guess
                // it's not really an inout....
                //
                //throw new IOException(Messages.getMessage("differentTypes00",
                //     new String[] { p.getName(),
                //                    p.getType().getQName().toString(),
                //                   outParam.getType().getQName().toString()
                //                  }
                //));

                // There is some controversy about this, and the specs are
                // a bit vague about what should happen if the types don't
                // agree.  Throwing an error is not correct with document/lit
                // operations, as part names get resused (i.e. "body").
                // See WSDL 1.1 section 2.4.6,
                //     WSDL 1.2 working draft 9 July 2002 section 2.3.1
                ++parameters.inputs;
            }
        } else {
            ++parameters.inputs;
        }

        parameters.list.add(p);
    } // addInishParm

    /**
     * Add an output parameter to the parameters object.
     */
    private void addOutParm(Vector outputs,
                            int outdex,
                            Parameters parameters,
                            boolean trim) {
        Parameter p = (Parameter)outputs.get(outdex);

        // If this is an element, we want the XML to reflect the element name
        // not the part name.  Same check is made in addInishParam above.
        if (p.getType() instanceof DefinedElement) {
            DefinedElement de = (DefinedElement)p.getType();
            p.setQName(de.getQName());
        }
        // If this is a collection we want the XML to reflect the type in
        // the collection, not foo[unbounded]. 
        // Same check is made in addInishParam above.
        if (p.getType() instanceof CollectionElement) {
            p.setQName(p.getType().getRefType().getQName());
        }

        if (trim) {
            outputs.remove(outdex);
        }

        p.setMode(Parameter.OUT);
        ++parameters.outputs;
       
        parameters.list.add(p);
    } // addOutParm

    /**
     * This method returns a vector containing Parameters which represent
     * each Part (shouldn't we call these "Parts" or something?)
     */
    public void getParametersFromParts(Vector v,
                                       Collection parts,
                                       boolean literal,
                                       String opName,
                                       BindingEntry bindingEntry)
            throws IOException {

        // HACK ALERT!  This whole method is waaaay too complex.
        // It needs rewriting (for instance, we sometimes new up
        // a Parameter, then ignore it in favor of another we new up.)

        // Determine if there's only one element.  For wrapped
        // style, we normally only have 1 part which is an
        // element.  But with MIME we could have any number of
        // types along with that single element.  As long as
        // there's only ONE element, and it's the same name as
        // the operation, we can unwrap it.
        int numberOfElements = 0;
        boolean possiblyWrapped = false;
        Iterator i = parts.iterator();
        while (i.hasNext()) {
            Part part = (Part) i.next();
            if (part.getElementName() != null) {
                ++numberOfElements;
                if (part.getElementName().getLocalPart().equals(opName)) {
                    possiblyWrapped = true;
                }
            }
        }

        // Hack alert - Try to sense "wrapped" document literal mode
        // if we haven't been told not to.
        // Criteria:
        //  - If there is a single element part,
        //  - That part is an element
        //  - That element has the same name as the operation
        //  - That element has no attributes (check done below)
        if (!nowrap &&
                literal &&
                numberOfElements == 1 &&
                possiblyWrapped) {
            wrapped = true;
        }

        i = parts.iterator();
        while (i.hasNext()) {
            Parameter param = new Parameter();
            Part part = (Part) i.next();
            QName elementName = part.getElementName();
            QName typeName = part.getTypeName();
            String partName = part.getName();

            // We're either:
            // 1. encoded
            // 2. literal & not wrapped.
            if (!literal || !wrapped || elementName == null) {

                param.setName(partName);

                // Add this type or element name
                if (typeName != null) {
                    param.setType(getType(typeName));
                } else if (elementName != null) {
                    // Just an FYI: The WSDL spec says that for use=encoded
                    // that parts reference an abstract type using the type attr
                    // but we kinda do the right thing here, so let it go.
                    // if (!literal)
                    //   error...
                    param.setType(getElement(elementName));
                } else {
                    // no type or element
                    throw new IOException(
                            Messages.getMessage("noTypeOrElement00",
                                                 new String[] {partName,
                                                               opName}));
                }
                setMIMEInfo(param, bindingEntry == null ? null :
                        bindingEntry.getMIMEInfo(opName, partName));
                if (bindingEntry != null &&
                    bindingEntry.isInHeaderPart(opName, partName)) {
                    param.setInHeader(true);
                }
                if (bindingEntry != null &&
                        bindingEntry.isOutHeaderPart(opName, partName)) {
                    param.setOutHeader(true);
                }

                v.add(param);

                continue;   // next part
            }

            // flow to here means wrapped literal !

            // See if we can map all the XML types to java(?) types
            // if we can, we use these as the types
            Node node = null;
            if (typeName != null && bindingEntry.getMIMETypes().size() == 0) {
                // Since we can't (yet?) make the Axis engine generate the right
                // XML for literal parts that specify the type attribute,
                // (unless they're MIME types) abort processing with an
                // error if we encounter this case
                //
                // node = getTypeEntry(typeName, false).getNode();
                String bindingName =
                  bindingEntry == null ? "unknown" : bindingEntry.getBinding().getQName().toString();
                throw new IOException(
                        Messages.getMessage("literalTypePart00",
                                             new String[] {partName,
                                                           opName,
                                                           bindingName}));
            }

            // Get the node which corresponds to the type entry for this
            // element.  i.e.:
            //  <part name="part" element="foo:bar"/>
            //  ...
            //  <schema targetNamespace="foo">
            //    <element name="bar"...>  <--- This one
            node = getTypeEntry(elementName, true).getNode();

            // Check if this element is of the form:
            //    <element name="foo" type="tns:foo_type"/>
            BooleanHolder forElement = new BooleanHolder();
            QName type = Utils.getTypeQName(node, forElement, false);
            if (type != null && !forElement.value) {
                // If in fact we have such a type, go get the node that
                // corresponds to THAT definition.
                node = getTypeEntry(type, false).getNode();
            }

            Vector vTypes = null;
            // If we have nothing at this point, we're in trouble.
            if (node == null) {
                if(bindingEntry.isInHeaderPart(opName, partName)) {
                    wrapped = false;
                } else {
                    /*
                    throw new IOException(
                        Messages.getMessage("badTypeNode",
                                             new String[] {
                                                 partName,
                                                 opName,
                                                 elementName.toString()}));
                    */                                                
                }                   
            } else {
                // check for attributes
                Vector vAttrs = SchemaUtils.getContainedAttributeTypes(node, this);
                if (vAttrs != null) {
                    // can't do wrapped mode
                    wrapped = false;
                }
   
                // Get the nested type entries.
                // TODO - If we are unable to represent any of the types in the
                // element, we need to use SOAPElement/SOAPBodyElement.
                // I don't believe getContainedElementDecl does the right thing yet.
                vTypes = SchemaUtils.getContainedElementDeclarations(node, this);
            }
            // IF we got the type entries and we didn't find attributes
            // THEN use the things in this element as the parameters
            if (vTypes != null && wrapped) {
                // add the elements in this list
                for (int j = 0; j < vTypes.size(); j++) {
                    ElementDecl elem = (ElementDecl) vTypes.elementAt(j);
                    Parameter p = new Parameter();
                    p.setQName(elem.getName());
                    p.setType(elem.getType());
                    setMIMEInfo(p, bindingEntry == null ? null :
                            bindingEntry.getMIMEInfo(opName, partName));
                    if (bindingEntry.isInHeaderPart(opName, partName)) {
                        p.setInHeader(true);
                    }
                    if (bindingEntry.isOutHeaderPart(opName, partName)) {
                        p.setOutHeader(true);
                    }
                    v.add(p);
                }
            } else {
                // - we were unable to get the types OR
                // - we found attributes
                // so we can't use wrapped mode.
                param.setName(partName);

                if (typeName != null) {
                    param.setType(getType(typeName));
                } else if (elementName != null) {
                    param.setType(getElement(elementName));
                }
                setMIMEInfo(param, bindingEntry == null ? null :
                        bindingEntry.getMIMEInfo(opName, partName));
                if (bindingEntry.isInHeaderPart(opName, partName)) {
                    param.setInHeader(true);
                }
                if (bindingEntry.isOutHeaderPart(opName, partName)) {
                    param.setOutHeader(true);
                }

                v.add(param);
            }
        } // while

    } // getParametersFromParts

    /**
     * Set the MIME type.  This can be determine in one of two ways:
     * 1.  From WSDL 1.1 MIME constructs on the binding (passed in);
     * 2.  From AXIS-specific xml MIME types.
     */
    private void setMIMEInfo(Parameter p, MimeInfo mimeInfo) {
        // If there is no binding MIME construct (ie., the mimeType parameter is
        // null), then get the MIME type from the AXIS-specific xml MIME type.
        if (mimeInfo == null) {
            QName mimeQName = p.getType().getQName();
            if (mimeQName.getNamespaceURI().equals(Constants.NS_URI_XMLSOAP)) {
                if (Constants.MIME_IMAGE.equals(mimeQName)) {
                    mimeInfo = new MimeInfo("image/jpeg","");
                }
                else if (Constants.MIME_PLAINTEXT.equals(mimeQName)) {
                    mimeInfo = new MimeInfo("text/plain","");
                }
                else if (Constants.MIME_MULTIPART.equals(mimeQName)) {
                    mimeInfo = new MimeInfo("multipart/related","");
                }
                else if (Constants.MIME_SOURCE.equals(mimeQName)) {
                    mimeInfo = new MimeInfo("text/xml","");
                }
                else if (Constants.MIME_OCTETSTREAM.equals(mimeQName)) {
                    mimeInfo = new MimeInfo("application/octetstream","");
                }
            }
        }
        p.setMIMEInfo(mimeInfo);
    } // setMIMEType

    /**
     * Populate the symbol table with all of the BindingEntry's from the Definition.
     */
    private void populateBindings(Definition def) throws IOException {
        Iterator i = def.getBindings().values().iterator();
        while (i.hasNext()) {
            Binding binding = (Binding) i.next();

            BindingEntry bEntry = new BindingEntry(binding);
            symbolTablePut(bEntry);

            Iterator extensibilityElementsIterator = binding.getExtensibilityElements().iterator();
            while (extensibilityElementsIterator.hasNext()) {
                Object obj = extensibilityElementsIterator.next();
                if (obj instanceof SOAPBinding) {
                    bEntry.setBindingType(BindingEntry.TYPE_SOAP);
                    SOAPBinding sb = (SOAPBinding) obj;
                    String style = sb.getStyle();
                    if ("rpc".equalsIgnoreCase(style)) {
                        bEntry.setBindingStyle(Style.RPC);
                    }
                }
                else if (obj instanceof HTTPBinding) {
                    HTTPBinding hb = (HTTPBinding) obj;
                    if (hb.getVerb().equalsIgnoreCase("post")) {
                        bEntry.setBindingType(BindingEntry.TYPE_HTTP_POST);
                    }
                    else {
                        bEntry.setBindingType(BindingEntry.TYPE_HTTP_GET);
                    }
                }
                else if (obj instanceof UnknownExtensibilityElement){
                    //TODO: After WSDL4J supports soap12, change this code
                    UnknownExtensibilityElement unkElement = (UnknownExtensibilityElement) obj;
                    QName name = unkElement.getElementType();
                    if(name.getNamespaceURI().equals(Constants.URI_WSDL12_SOAP) &&
                       name.getLocalPart().equals("binding")){
                        bEntry.setBindingType(BindingEntry.TYPE_SOAP);
                        String style = unkElement.getElement().getAttribute("style");
                        if ("rpc".equalsIgnoreCase(style)) {
                            bEntry.setBindingStyle(Style.RPC);
                        }
                    }
                }
            }

            // Step through the binding operations, setting the following as appropriate:
            // - hasLiteral
            // - body types
            // - mimeTypes
            // - headers
            HashMap attributes = new HashMap();
            List bindList = binding.getBindingOperations();
            HashMap faultMap = new HashMap(); // name to SOAPFault from WSDL4J
            for (Iterator opIterator = bindList.iterator(); opIterator.hasNext();) {
                BindingOperation bindOp = (BindingOperation) opIterator.next();
                Operation operation = bindOp.getOperation();
                BindingInput bindingInput = bindOp.getBindingInput();
                BindingOutput bindingOutput = bindOp.getBindingOutput();
                String opName = bindOp.getName();

                // First, make sure the binding operation matches a portType operation
                String inputName = bindingInput == null ? null :
                        bindingInput.getName();
                String outputName = bindingOutput == null ? null :
                        bindingOutput.getName();
                if (binding.getPortType().getOperation(
                        opName, inputName, outputName) == null) {
                    throw new IOException(Messages.getMessage("unmatchedOp",
                            new String[] {opName, inputName, outputName}));
                }

                ArrayList faults = new ArrayList();

                // input
                if (bindingInput != null) {
                    if (bindingInput.getExtensibilityElements() != null) {
                        Iterator inIter = bindingInput.
                                getExtensibilityElements().iterator();
                        fillInBindingInfo(bEntry, operation, inIter, faults,
                                true);
                    }
                }

                // output
                if (bindingOutput != null) {
                    if (bindingOutput.getExtensibilityElements() != null) {
                        Iterator outIter = bindingOutput.
                                getExtensibilityElements().iterator();
                        fillInBindingInfo(bEntry, operation, outIter, faults,
                                false);
                    }
                }

                // faults
                faultsFromSOAPFault(binding, bindOp, operation, faults);

                // Add this fault name and info to the map
                faultMap.put(bindOp, faults);
               
                Use inputBodyType = bEntry.getInputBodyType(operation);
                Use outputBodyType = bEntry.getOutputBodyType(operation);

                // Associate the portType operation that goes with this binding
                // with the body types.
                attributes.put(bindOp.getOperation(),
                        new BindingEntry.OperationAttr(inputBodyType, outputBodyType, faultMap));

                // If the input or output body uses literal, flag the binding as using literal.
                // NOTE:  should I include faultBodyType in this check?
                if (inputBodyType == Use.LITERAL ||
                    outputBodyType == Use.LITERAL) {
                    bEntry.setHasLiteral(true);
                }
                bEntry.setFaultBodyTypeMap(operation, faultMap);
            } // binding operations

            bEntry.setFaults(faultMap);
        }
    } // populateBindings

    /**
     * Fill in some binding information:  bodyType, mimeType, header info.
     */
    private void fillInBindingInfo(BindingEntry bEntry, Operation operation,
            Iterator it, ArrayList faults, boolean input) throws IOException {
        for (; it.hasNext();) {
            Object obj = it.next();
            if (obj instanceof SOAPBody) {
                setBodyType(((SOAPBody) obj).getUse(), bEntry, operation,
                        input);
            }
            else if (obj instanceof SOAPHeader) {
                SOAPHeader header = (SOAPHeader) obj;
                setBodyType(header.getUse(), bEntry, operation, input);

                // Note, this only works for explicit headers - those whose
                // parts come from messages used in the portType's operation
                // input/output clauses - it does not work for implicit
                // headers - those whose parts come from messages not used in
                // the portType's operation's input/output clauses.  I don't
                // know what we're supposed to emit for implicit headers.
                bEntry.setHeaderPart(operation.getName(), header.getPart(),
                        input ? BindingEntry.IN_HEADER : BindingEntry.OUT_HEADER);

                // Add any soap:headerFault info to the faults array
                Iterator headerFaults = header.getSOAPHeaderFaults().iterator();
                while (headerFaults.hasNext()) {
                    SOAPHeaderFault headerFault =
                            (SOAPHeaderFault) headerFaults.next();
                    faults.add(new FaultInfo(headerFault, this));
                }
            }
            else if (obj instanceof MIMEMultipartRelated) {
                bEntry.setBodyType(operation,
                        addMIMETypes(bEntry, (MIMEMultipartRelated) obj,
                        operation), input);
            } else if (obj instanceof UnknownExtensibilityElement) {
                UnknownExtensibilityElement unkElement = (UnknownExtensibilityElement) obj;
                QName name = unkElement.getElementType();
                if(name.getNamespaceURI().equals(Constants.URI_DIME_WSDL) &&
                   name.getLocalPart().equals("message")) {
                    fillInDIMEInformation(unkElement, input, operation, bEntry);
                }
                //TODO: After WSDL4J supports soap12, change this code
                if(name.getNamespaceURI().equals(Constants.URI_WSDL12_SOAP) &&
                       name.getLocalPart().equals("body")){
                    setBodyType(unkElement.getElement().getAttribute("use"), bEntry, operation,
                            input);
                }
                //TODO: After WSDL4J supports soap12, change this code
                if(name.getNamespaceURI().equals(Constants.URI_WSDL12_SOAP) &&
                       name.getLocalPart().equals("header")){
                    setBodyType(unkElement.getElement().getAttribute("use"), bEntry, operation, input);

                    // Note, this only works for explicit headers - those whose
                    // parts come from messages used in the portType's operation
                    // input/output clauses - it does not work for implicit
                    // headers - those whose parts come from messages not used in
                    // the portType's operation's input/output clauses.  I don't
                    // know what we're supposed to emit for implicit headers.
                    bEntry.setHeaderPart(operation.getName(), unkElement.getElement().getAttribute("part"),
                            input ? BindingEntry.IN_HEADER : BindingEntry.OUT_HEADER);

                    // Add any soap12:headerFault info to the faults array
                    NodeList headerFaults = unkElement.getElement().getChildNodes();
                    for(int i=0;i<headerFaults.getLength();i++){
                        String faultMessage = unkElement.getElement().getAttribute("message");
                        String faultPart = unkElement.getElement().getAttribute("part");
                        String faultUse = unkElement.getElement().getAttribute("use");
                        String faultNamespaceURI = unkElement.getElement().getAttribute("namespace");
                        QName faultMessageQName = null;
                        int sep = faultMessage.indexOf(':');
                        if(sep == -1) {
                            faultMessageQName = new QName (faultMessage);   
                        } else {
                            faultMessageQName = new QName(faultMessage.substring(0, sep), faultMessage.substring(sep + 1));   
                        }
                        faults.add(new FaultInfo(faultMessageQName, faultPart, faultUse, faultNamespaceURI, this));
                    }
                }
            }
        }
    } // fillInBindingInfo

    /**
     * Fill in DIME information
     *
     * @param unkElement
     * @param input
     * @param operation
     * @param bEntry
     */
    private void fillInDIMEInformation(UnknownExtensibilityElement unkElement, boolean input, Operation operation, BindingEntry bEntry) {
        String layout = unkElement.getElement().getAttribute("layout");
        // TODO: what to do with layout info?             
        if(layout.equals(Constants.URI_DIME_CLOSED_LAYOUT)) {
        } else if(layout.equals(Constants.URI_DIME_OPEN_LAYOUT)){
        }
        Map parts = null;
        if(input){
             parts = operation.getInput().getMessage().getParts();                      
        } else {
             parts = operation.getOutput().getMessage().getParts();                      
        }
        if(parts != null) {
             Iterator iterator = parts.values().iterator();
             while(iterator.hasNext()){
                 Part part = (Part) iterator.next();
                 if(part != null){
                     String dims = "";
                     org.w3c.dom.Element element = null;
                     if(part.getTypeName() != null) {
                         TypeEntry partType = getType(part.getTypeName());
                         if(partType.getDimensions().length()>0){
                             dims = partType.getDimensions();
                             partType = partType.getRefType();
                         }
                         element = (org.w3c.dom.Element) partType.getNode();
                     } else if(part.getElementName() != null) {
                         TypeEntry partElement = getElement(part.getElementName()).getRefType();
                         element = (org.w3c.dom.Element) partElement.getNode();
                         QName name = getInnerCollectionComponentQName(element);
                         if(name != null){
                            dims += "[]";
                            partElement = getType(name);
                            element = (org.w3c.dom.Element) partElement.getNode();
                         } else {
                             name = getInnerTypeQName(element);
                             if(name != null) {
                                 partElement = getType(name);
                                 element = (org.w3c.dom.Element) partElement.getNode();
                             }
                         }
                     }
                     org.w3c.dom.Element e = (org.w3c.dom.Element)XMLUtils.findNode(element, new QName(Constants.URI_DIME_CONTENT, "mediaType"));
                     if(e != null){
                         String value = e.getAttribute("value");
                         bEntry.setOperationDIME(operation.getName());
                         bEntry.setMIMEInfo(operation.getName(), part.getName(), value, dims);
                     }
                 }
             }
        }
    }

    /**
     * Get the faults from the soap:fault clause.
     */
    private void faultsFromSOAPFault(Binding binding, BindingOperation bindOp,
            Operation operation, ArrayList faults) throws IOException {
        Iterator faultMapIter = bindOp.getBindingFaults().values().iterator();
        for (; faultMapIter.hasNext(); ) {
            BindingFault bFault = (BindingFault)faultMapIter.next();

            // Set default entry for this fault
            String faultName = bFault.getName();

            // Check to make sure this fault is named
            if (faultName == null || faultName.length() == 0) {
                throw new IOException(Messages.getMessage("unNamedFault00",
                        bindOp.getName(),
                        binding.getQName().toString()));
            }

            boolean foundSOAPFault = false;
            String  soapFaultUse = "";
            String soapFaultNamespace = "";
           
            Iterator faultIter = bFault.getExtensibilityElements().iterator();
            for (; faultIter.hasNext();) {
                Object obj = faultIter.next();
                if (obj instanceof SOAPFault) {
                    foundSOAPFault = true;
                    soapFaultUse = ((SOAPFault)obj).getUse();
                    soapFaultNamespace = ((SOAPFault)obj).getNamespaceURI();
                    break;
                } else if (obj instanceof UnknownExtensibilityElement) {
                    //TODO: After WSDL4J supports soap12, change this code
                    UnknownExtensibilityElement unkElement = (UnknownExtensibilityElement) obj;
                    QName name = unkElement.getElementType();
                    if(name.getNamespaceURI().equals(Constants.URI_WSDL12_SOAP) &&
                       name.getLocalPart().equals("fault")){
                        if(unkElement.getElement().getAttribute("use")!=null) {
                            soapFaultUse = unkElement.getElement().getAttribute("use");
                        }
                        if(unkElement.getElement().getAttribute("namespace")!=null) {
                            soapFaultNamespace = unkElement.getElement().getAttribute("namespace");
                        }
                    }                   
                }
            }

            // Check to make sure we have a soap:fault element
            if (!foundSOAPFault) {
                throw new IOException(Messages.getMessage("missingSoapFault00",
                        faultName,
                        bindOp.getName(),
                        binding.getQName().toString()));
            }

            // TODO error checking:
            // if use=literal, no use of namespace on the soap:fault
            // if use=encoded, no use of element on the part

            // Check this fault to make sure it matches the one
            // in the matching portType Operation
            Fault opFault = operation.getFault(bFault.getName());
            if (opFault == null) {
                throw new IOException(Messages.getMessage("noPortTypeFault",
                        new String[] {bFault.getName(),
                        bindOp.getName(),
                        binding.getQName().toString()}));
            }
            // put the updated entry back in the map
            faults.add(new FaultInfo(opFault,
                    Use.getUse(soapFaultUse),
                    soapFaultNamespace,
                    this));
        }
    } // faultsFromSOAPFault

    /**
     * Set the body type.
     */
    private void setBodyType(String use, BindingEntry bEntry,
            Operation operation, boolean input) throws IOException {
        if (use == null) {
            throw new IOException(Messages.getMessage(
                    "noUse", operation.getName()));
        }
        if (use.equalsIgnoreCase("literal")) {
            bEntry.setBodyType(operation, Use.LITERAL,
                    input);
        }
    } // setBodyType

    /**
     * Add the parts that are really MIME types as MIME types.
     * A side effect is to return the body Type of the given
     * MIMEMultipartRelated object.
     */
    private Use addMIMETypes(BindingEntry bEntry, MIMEMultipartRelated mpr,
            Operation op) throws IOException {
        Use bodyType = Use.ENCODED;
        List parts = mpr.getMIMEParts();
        Iterator i = parts.iterator();
        while (i.hasNext()) {
            MIMEPart part = (MIMEPart) i.next();
            List elems = part.getExtensibilityElements();
            Iterator j = elems.iterator();
            while (j.hasNext()) {
                Object obj = j.next();
                if (obj instanceof MIMEContent) {
                    MIMEContent content = (MIMEContent) obj;
                    TypeEntry typeEntry = findPart(op, content.getPart());
                    String dims = typeEntry.getDimensions();
                    if(dims.length() <=0 && typeEntry.getRefType() != null) {
                        Node node = typeEntry.getRefType().getNode();
                        if(getInnerCollectionComponentQName(node)!=null)
                            dims += "[]";   
                    }
                    String type = content.getType();
                    if(type == null || type.length() == 0)
                        type = "text/plain";
                    bEntry.setMIMEInfo(op.getName(), content.getPart(), type, dims);
                }
                else if (obj instanceof SOAPBody) {
                    String use = ((SOAPBody) obj).getUse();
                    if (use == null) {
                        throw new IOException(Messages.getMessage(
                                "noUse", op.getName()));
                    }
                    if (use.equalsIgnoreCase("literal")) {
                        bodyType = Use.LITERAL;
                    }
                } else if (obj instanceof UnknownExtensibilityElement) {
                    //TODO: After WSDL4J supports soap12, change this code
                    UnknownExtensibilityElement unkElement = (UnknownExtensibilityElement) obj;
                    QName name = unkElement.getElementType();
                    if(name.getNamespaceURI().equals(Constants.URI_WSDL12_SOAP) &&
                       name.getLocalPart().equals("body")){
                        String use = unkElement.getElement().getAttribute("use");
                        if (use == null) {
                            throw new IOException(Messages.getMessage(
                                    "noUse", op.getName()));
                        }
                        if (use.equalsIgnoreCase("literal")) {
                            bodyType = Use.LITERAL;
                        }
                    }                   
                }
            }
        }
        return bodyType;
    } // addMIMETypes

    private TypeEntry findPart(Operation operation, String partName)
    {
        Map parts = operation.getInput().getMessage().getParts();                      
        Iterator iterator = parts.values().iterator();
        TypeEntry part = findPart(iterator, partName);
       
        if(part == null) {
            parts = operation.getOutput().getMessage().getParts();                      
            iterator = parts.values().iterator();
            part = findPart(iterator, partName);
        }
        return part;
    }

    private TypeEntry findPart(Iterator iterator, String partName)
    {
        while(iterator.hasNext()){
            Part part = (Part) iterator.next();
            if(part != null){
                String typeName = part.getName();
                if(partName.equals(typeName)) {
                    if(part.getTypeName() != null) {
                        return getType(part.getTypeName());
                    } else if(part.getElementName() != null) {
                        return getElement(part.getElementName());
                    }
                }
             }
        }
        return null;
    }
   
    /**
     * Populate the symbol table with all of the ServiceEntry's from the Definition.
     */
    private void populateServices(Definition def) throws IOException {
        Iterator i = def.getServices().values().iterator();
        while (i.hasNext()) {
            Service service = (Service) i.next();

            // do a bit of name validation
            if (service.getQName() == null ||
                service.getQName().getLocalPart() == null ||
                service.getQName().getLocalPart().equals("")) {
                throw new IOException(Messages.getMessage("BadServiceName00"));
            }

            ServiceEntry sEntry = new ServiceEntry(service);
            symbolTablePut(sEntry);         
            populatePorts(service.getPorts());
        }
    } // populateServices
   
   
    /**
     * populates the symbol table with port elements defined within a &lt;service&gt;
     * element.
     *
     * @param ports  a map of name->port pairs (i.e. what is returned by service.getPorts()
     *
     * @exception IOException  thrown, if an IO or WSDL error is detected
     * @see javax.wsdl.Service#getPorts()
     * @see javax.wsdl.Port
     */
    private void populatePorts(Map ports) throws IOException {
        if (ports == null) return;
        Iterator it = ports.values().iterator();
        while(it.hasNext()) {
       
           Port port = (Port)it.next();
           String portName = port.getName();
           Binding portBinding = port.getBinding();
       
           // make sure there is a port name. The 'name' attribute for WSDL ports is
           // mandatory
           //
           if (portName == null){            
                //REMIND: should rather be a javax.wsdl.WSDLException ?
                throw new IOException(
                    Messages.getMessage("missingPortNameException")
                );
           }

           // make sure there is a binding for the port. The 'binding' attribute for
           // WSDL ports is mandatory
           //
           if (portBinding == null) {      
                //REMIND: should rather be a javax.wsdl.WSDLException ?
                throw new IOException(
                    Messages.getMessage("missingBindingException")
                );
           }      

           // make sure the port name is unique among all port names defined in this
           // WSDL document.
           //
           // NOTE: there's a flaw in com.ibm.wsdl.xml.WSDLReaderImpl#parsePort() and
           // com.ibm.wsdl.xml.WSDLReaderImpl#addPort(). These methods do not enforce
           // the port name exists and is unique. Actually, if two port definitions with
           // the same name exist within the same service element, only *one* port
           // element is present after parsing and the following exception is not thrown.
           //
           // If two ports with the same name exist in different service elements,
           // the exception below is thrown. This is conformant to the WSDL 1.1 spec (sec 2.6)
           // , which states: "The name attribute provides a unique name among all ports
           // defined within in the enclosing WSDL document."
           //
           //
           if (existsPortWithName(new QName(portName))) {
                //REMIND: should rather be a javax.wsdl.WSDLException ?
                throw new IOException(
                    Messages.getMessage("twoPortsWithSameName", portName)
                );
           }
           PortEntry portEntry = new PortEntry(port);
           symbolTablePut(portEntry);
        }          
    }

    /**
     * Set each SymTabEntry's isReferenced flag.  The default is false.  If no other symbol
     * references this symbol, then leave it false, otherwise set it to true.
     * (An exception to the rule is that derived types are set as referenced if
     * their base type is referenced.  This is necessary to support generation and
     * registration of derived types.)
     */
    private void setReferences(Definition def, Document doc) {
        Map stuff = def.getServices();
        if (stuff.isEmpty()) {
            stuff = def.getBindings();
            if (stuff.isEmpty()) {
                stuff = def.getPortTypes();
                if (stuff.isEmpty()) {
                    stuff = def.getMessages();
                    if (stuff.isEmpty()) {
                        for (Iterator i = elementTypeEntries.values().iterator();
                             i.hasNext();) {
                            setTypeReferences((TypeEntry)i.next(), doc, false);
                        }
                        for (Iterator i = typeTypeEntries.values().iterator();
                             i.hasNext();) {
                            setTypeReferences((TypeEntry)i.next(), doc, false);
                        }
                    }
                    else {
                        Iterator i = stuff.values().iterator();
                        while (i.hasNext()) {
                            Message message = (Message) i.next();
                            MessageEntry mEntry =
                                    getMessageEntry(message.getQName());
                            setMessageReferences(mEntry, def, doc, false);
                        }
                    }
                }
                else {
                    Iterator i = stuff.values().iterator();
                    while (i.hasNext()) {
                        PortType portType = (PortType) i.next();
                        PortTypeEntry ptEntry =
                                getPortTypeEntry(portType.getQName());
                        setPortTypeReferences(ptEntry, null, def, doc);
                    }
                }
            }
            else {
                Iterator i = stuff.values().iterator();
                while (i.hasNext()) {
                    Binding binding = (Binding) i.next();
                    BindingEntry bEntry = getBindingEntry(binding.getQName());
                    setBindingReferences(bEntry, def, doc);
                }
            }
        }
        else {
            Iterator i = stuff.values().iterator();
            while (i.hasNext()) {
                Service service = (Service) i.next();
                ServiceEntry sEntry = getServiceEntry(service.getQName());
                setServiceReferences(sEntry, def, doc);
            }
        }
    } // setReferences

    /**
     * Set the isReferenced flag to true on the given TypeEntry and all
     * SymTabEntries that it refers to.
     */
    private void setTypeReferences(TypeEntry entry, Document doc,
            boolean literal) {

        // Check to see if already processed.
        if ((entry.isReferenced() && !literal) ||
            (entry.isOnlyLiteralReferenced() && literal)) {
            return;
        }

        if (wrapped) {
            // If this type is ONLY referenced from a literal usage in a binding,
            // then isOnlyLiteralReferenced should return true.
            if (!entry.isReferenced() && literal) {
                entry.setOnlyLiteralReference(true);
            }
            // If this type was previously only referenced as a literal type,
            // but now it is referenced in a non-literal manner, turn off the
            // onlyLiteralReference flag.
            else if (entry.isOnlyLiteralReferenced() && !literal) {
                entry.setOnlyLiteralReference(false);
            }
        }


        // If we don't want to emit stuff from imported files, only set the
        // isReferenced flag if this entry exists in the immediate WSDL file.
        Node node = entry.getNode();
        if (addImports || node == null || node.getOwnerDocument() == doc) {
            entry.setIsReferenced(true);
            if (entry instanceof DefinedElement) {
                BooleanHolder forElement = new BooleanHolder();
                QName referentName = Utils.getTypeQName(node, forElement, false);
                if (referentName != null) {
                    TypeEntry referent = getTypeEntry(referentName, forElement.value);
                    if (referent != null) {
                        setTypeReferences(referent, doc, literal);
                    }
                }
                // If the Defined Element has an anonymous type,
                // process it with the current literal flag setting.
                QName anonQName = SchemaUtils.getElementAnonQName(entry.getNode());
                if (anonQName != null) {
                    TypeEntry anonType = getType(anonQName);
                    if (anonType != null) {
                        setTypeReferences(anonType, doc, literal);
                        return;
                    }
                }
            }
        }

        HashSet nestedTypes = Utils.getNestedTypes(entry, this, true);
        Iterator it = nestedTypes.iterator();
        while (it.hasNext()) {
            TypeEntry nestedType = (TypeEntry) it.next();
            if (!nestedType.isReferenced()) {
                //setTypeReferences(nestedType, doc, literal);
                if(nestedType != entry)
                    setTypeReferences(nestedType, doc, false);
            }
        }
    } // setTypeReferences

    /**
     * Set the isReferenced flag to true on the given MessageEntry and all
     * SymTabEntries that it refers to.
     */
    private void setMessageReferences(
            MessageEntry entry, Definition def, Document doc, boolean literal) {
        // If we don't want to emit stuff from imported files, only set the
        // isReferenced flag if this entry exists in the immediate WSDL file.
        Message message = entry.getMessage();
        if (addImports) {
            entry.setIsReferenced(true);
        }
        else {
            // NOTE:  I thought I could have simply done:
            // if (def.getMessage(message.getQName()) != null)
            // but that method traces through all imported messages.
            Map messages = def.getMessages();
            if (messages.containsValue(message)) {
                entry.setIsReferenced(true);
            }
        }

        // Set all the message's types
        Iterator parts = message.getParts().values().iterator();
        while (parts.hasNext()) {
            Part part = (Part) parts.next();
            TypeEntry type = getType(part.getTypeName());
            if (type != null) {
                setTypeReferences(type, doc, literal);
            }
            type = getElement(part.getElementName());
            if (type != null) {
                setTypeReferences(type, doc, literal);
                TypeEntry refType = type.getRefType();
                if (refType != null) {
                  setTypeReferences(refType, doc, literal);
                }
            }
        }
    } // setMessageReference

    /**
     * Set the isReferenced flag to true on the given PortTypeEntry and all
     * SymTabEntries that it refers to.
     */
    private void setPortTypeReferences(
            PortTypeEntry entry, BindingEntry bEntry,
            Definition def, Document doc) {
        // If we don't want to emit stuff from imported files, only set the
        // isReferenced flag if this entry exists in the immediate WSDL file.
        PortType portType = entry.getPortType();
        if (addImports) {
            entry.setIsReferenced(true);
        }
        else {
            // NOTE:  I thought I could have simply done:
            // if (def.getPortType(portType.getQName()) != null)
            // but that method traces through all imported portTypes.
            Map portTypes = def.getPortTypes();
            if (portTypes.containsValue(portType)) {
                entry.setIsReferenced(true);
            }
        }

        // Set all the portType's messages
        Iterator operations = portType.getOperations().iterator();

        // For each operation, query its input, output, and fault messages
        while (operations.hasNext()) {
            Operation operation = (Operation) operations.next();

            Input input = operation.getInput();
            Output output = operation.getOutput();

            // Find out if this reference is a literal reference or not.
            boolean literalInput = false;
            boolean literalOutput = false;
            if (bEntry != null) {
                literalInput = bEntry.getInputBodyType(operation) ==
                        Use.LITERAL;
                literalOutput = bEntry.getOutputBodyType(operation) ==
                        Use.LITERAL;
            }

            // Query the input message
            if (input != null) {
                Message message = input.getMessage();
                if (message != null) {
                    MessageEntry mEntry = getMessageEntry(message.getQName());
                    if (mEntry != null) {
                        setMessageReferences(mEntry, def, doc, literalInput);
                    }
                }
            }

            // Query the output message
            if (output != null) {
                Message message = output.getMessage();
                if (message != null) {
                    MessageEntry mEntry = getMessageEntry(message.getQName());
                    if (mEntry != null) {
                        setMessageReferences(mEntry, def, doc, literalOutput);
                    }
                }
            }

            // Query the fault messages
            Iterator faults =
              operation.getFaults().values().iterator();
            while (faults.hasNext()) {
                Message message = ((Fault) faults.next()).getMessage();
                if (message != null) {
                    MessageEntry mEntry = getMessageEntry(message.getQName());
                    if (mEntry != null) {
                        setMessageReferences(mEntry, def, doc, false);
                    }
                }
            }
        }
    } // setPortTypeReferences

    /**
     * Set the isReferenced flag to true on the given BindingEntry and all
     * SymTabEntries that it refers to ONLY if this binding is a SOAP binding.
     */
    private void setBindingReferences(
            BindingEntry entry, Definition def, Document doc) {

        if (entry.getBindingType() == BindingEntry.TYPE_SOAP) {
            // If we don't want to emit stuff from imported files, only set the
            // isReferenced flag if this entry exists in the immediate WSDL file.
            Binding binding = entry.getBinding();
            if (addImports) {
                entry.setIsReferenced(true);
            }
            else {
                // NOTE:  I thought I could have simply done:
                // if (def.getBindng(binding.getQName()) != null)
                // but that method traces through all imported bindings.
                Map bindings = def.getBindings();
                if (bindings.containsValue(binding)) {
                    entry.setIsReferenced(true);
                }
            }

            // Set all the binding's portTypes
            PortType portType = binding.getPortType();
            PortTypeEntry ptEntry = getPortTypeEntry(portType.getQName());
            if (ptEntry != null) {
                setPortTypeReferences(ptEntry, entry, def, doc);
            }
        }
    } // setBindingReferences

    /**
     * Set the isReferenced flag to true on the given ServiceEntry and all
     * SymTabEntries that it refers to.
     */
    private void setServiceReferences(
            ServiceEntry entry, Definition def, Document doc) {
        // If we don't want to emit stuff from imported files, only set the
        // isReferenced flag if this entry exists in the immediate WSDL file.
        Service service = entry.getService();
        if (addImports) {
            entry.setIsReferenced(true);
        }
        else {
            // NOTE:  I thought I could have simply done:
            // if (def.getService(service.getQName()) != null)
            // but that method traces through all imported services.
            Map services = def.getServices();
            if (services.containsValue(service)) {
                entry.setIsReferenced(true);
            }
        }

        // Set all the service's bindings
        Iterator ports = service.getPorts().values().iterator();
        while (ports.hasNext()) {
            Port port = (Port) ports.next();
            Binding binding = port.getBinding();
            if(binding != null) {
                BindingEntry bEntry = getBindingEntry(binding.getQName());
                if (bEntry != null) {
                    setBindingReferences(bEntry, def, doc);
                }
            }
        }
    } // setServiceReferences

    /**
     * Put the given SymTabEntry into the symbol table, if appropriate.
     */
    private void symbolTablePut(SymTabEntry entry) throws IOException {
        QName name = entry.getQName();
        if (get(name, entry.getClass()) == null) {
            // An entry of the given qname of the given type doesn't exist yet.
            if (entry instanceof Type &&
                get(name, UndefinedType.class) != null) {

                // A undefined type exists in the symbol table, which means
                // that the type is used, but we don't yet have a definition for
                // the type.  Now we DO have a definition for the type, so
                // replace the existing undefined type with the real type.

                if (((TypeEntry)get(name, UndefinedType.class)).isSimpleType() &&
                    !((TypeEntry)entry).isSimpleType()) {
                    // Problem if the undefined type was used in a
                    // simple type context.
                    throw new IOException(
                                          Messages.getMessage("AttrNotSimpleType01",
                                                               name.toString()));

                }
                Vector v = (Vector) symbolTable.get(name);
                for (int i = 0; i < v.size(); ++i) {
                    Object oldEntry = v.elementAt(i);
                    if (oldEntry instanceof UndefinedType) {

                        // Replace it in the symbol table
                        v.setElementAt(entry, i);

                        // Replace it in the types index
                        typeTypeEntries.put(name, entry);

                        // Update all of the entries that refer to the unknown type
                        ((UndefinedType)oldEntry).update((Type)entry);
                    }
                }
            } else if (entry instanceof Element &&
                get(name, UndefinedElement.class) != null) {
                // A undefined element exists in the symbol table, which means
                // that the element is used, but we don't yet have a definition for
                // the element.  Now we DO have a definition for the element, so
                // replace the existing undefined element with the real element.
                Vector v = (Vector) symbolTable.get(name);
                for (int i = 0; i < v.size(); ++i) {
                    Object oldEntry = v.elementAt(i);
                    if (oldEntry instanceof UndefinedElement) {

                        // Replace it in the symbol table
                        v.setElementAt(entry, i);

                        // Replace it in the elements index
                        elementTypeEntries.put(name, entry);

                        // Update all of the entries that refer to the unknown type
                        ((Undefined)oldEntry).update((Element)entry);
                    }
                }
            }
            else {
                // Add this entry to the symbol table
                Vector v = (Vector) symbolTable.get(name);
                if (v == null) {
                    v = new Vector();
                    symbolTable.put(name, v);
                }
                v.add(entry);
                // add TypeEntries to specialized indices for
                // fast lookups during reference resolution.
                if (entry instanceof Element) {
                    elementTypeEntries.put(name, entry);
                } else if (entry instanceof Type) {
                    typeTypeEntries.put(name, entry);
                }
            }
        }
        else {
            System.out.println(
                    Messages.getMessage("alreadyExists00", "" + name));
        }
    } // symbolTablePut

   
    /**
     * checks whether there exists a WSDL port with a given name in the current
     * symbol table
     *
     * @param  name   the QName of the port. Note: only the local part of the qname is relevant,
     *    since port names are not qualified with a namespace. They are of type nmtoken in WSDL 1.1
     *    and of type ncname in WSDL 1.2
     *
     * @return true, if there is a port element with the specified name; false, otherwise
     */
    protected boolean existsPortWithName(QName name) {
        Vector v = (Vector)symbolTable.get(name);
        if (v == null) return false;
        Iterator it = v.iterator();
        while(it.hasNext()) {
            Object o = it.next();
            if (o instanceof PortEntry) return true;           
        }
        return false;      
    }
   


    private static QName getInnerCollectionComponentQName(Node node) {
        if (node == null) {
            return null;
        }
       
        QName name = SchemaUtils.getCollectionComponentQName(node);
        if(name != null)
            return name;

        // Dive into the node if necessary
        NodeList children = node.getChildNodes();
        for(int i=0;i<children.getLength();i++){
            name = getInnerCollectionComponentQName(children.item(i));
            if(name != null)
                return name;
        }
        return null;
    }

    private static QName getInnerTypeQName(Node node) {
        if (node == null) {
            return null;
        }
       
        BooleanHolder forElement = new BooleanHolder();
        QName name = Utils.getTypeQName(node, forElement, true);
        if(name != null)
            return name;

        // Dive into the node if necessary
        NodeList children = node.getChildNodes();
        for(int i=0;i<children.getLength();i++){
            name = getInnerTypeQName(children.item(i));
            if(name != null)
                return name;
        }
        return null;
    }

} // class SymbolTable
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Related Classes of org.apache.axis.wsdl.symbolTable.SymbolTable

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