/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.xml.ws.message.stream;
import com.sun.istack.FinalArrayList;
import com.sun.istack.NotNull;
import com.sun.xml.stream.buffer.XMLStreamBuffer;
import com.sun.xml.stream.buffer.XMLStreamBufferSource;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.addressing.AddressingVersion;
import com.sun.xml.ws.api.addressing.WSEndpointReference;
import com.sun.xml.ws.api.message.Header;
import com.sun.xml.ws.message.AbstractHeaderImpl;
import org.w3c.dom.Node;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPHeader;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import java.util.List;
import java.util.Set;
/**
* {@link Header} whose physical data representation is an XMLStreamBuffer.
*
* @author Paul.Sandoz@Sun.Com
*/
public abstract class StreamHeader extends AbstractHeaderImpl {
protected final XMLStreamBuffer _mark;
protected boolean _isMustUnderstand;
/**
* Role or actor value.
*/
protected @NotNull String _role;
protected boolean _isRelay;
protected String _localName;
protected String _namespaceURI;
/**
* Keep the information about an attribute on the header element.
*
* TODO: this whole attribute handling could be done better, I think.
*/
protected static final class Attribute {
/**
* Can be empty but never null.
*/
final String nsUri;
final String localName;
final String value;
public Attribute(String nsUri, String localName, String value) {
this.nsUri = fixNull(nsUri);
this.localName = localName;
this.value = value;
}
}
/**
* The attributes on the header element.
* We expect there to be only a small number of them,
* so the use of {@link List} would be justified.
*
* Null if no attribute is present.
*/
private final FinalArrayList<Attribute> attributes;
/**
* Creates a {@link StreamHeader}.
*
* @param reader
* The parser pointing at the start of the mark.
* Technically this information is redundant,
* but it achieves a better performance.
* @param mark
* The start of the buffered header content.
*/
protected StreamHeader(XMLStreamReader reader, XMLStreamBuffer mark) {
assert reader!=null && mark!=null;
_mark = mark;
_localName = reader.getLocalName();
_namespaceURI = reader.getNamespaceURI();
attributes = processHeaderAttributes(reader);
}
/**
* Creates a {@link StreamHeader}.
*
* @param reader
* The parser that points to the start tag of the header.
* By the end of this method, the parser will point at
* the end tag of this element.
*/
protected StreamHeader(XMLStreamReader reader) throws XMLStreamException {
_localName = reader.getLocalName();
_namespaceURI = reader.getNamespaceURI();
attributes = processHeaderAttributes(reader);
// cache the body
_mark = XMLStreamBuffer.createNewBufferFromXMLStreamReader(reader);
}
public final boolean isIgnorable(@NotNull SOAPVersion soapVersion, @NotNull Set<String> roles) {
// check mustUnderstand
if(!_isMustUnderstand) return true;
if (roles == null)
return true;
// now role
return !roles.contains(_role);
}
public @NotNull String getRole(@NotNull SOAPVersion soapVersion) {
assert _role!=null;
return _role;
}
public boolean isRelay() {
return _isRelay;
}
public @NotNull String getNamespaceURI() {
return _namespaceURI;
}
public @NotNull String getLocalPart() {
return _localName;
}
public String getAttribute(String nsUri, String localName) {
if(attributes!=null) {
for(int i=attributes.size()-1; i>=0; i-- ) {
Attribute a = attributes.get(i);
if(a.localName.equals(localName) && a.nsUri.equals(nsUri))
return a.value;
}
}
return null;
}
/**
* Reads the header as a {@link XMLStreamReader}
*/
public XMLStreamReader readHeader() throws XMLStreamException {
return _mark.readAsXMLStreamReader();
}
public void writeTo(XMLStreamWriter w) throws XMLStreamException {
if(_mark.getInscopeNamespaces().size() > 0)
_mark.writeToXMLStreamWriter(w,true);
else
_mark.writeToXMLStreamWriter(w);
}
public void writeTo(SOAPMessage saaj) throws SOAPException {
try {
// TODO what about in-scope namespaces
// Not very efficient consider implementing a stream buffer
// processor that produces a DOM node from the buffer.
TransformerFactory tf = TransformerFactory.newInstance();
Transformer t = tf.newTransformer();
XMLStreamBufferSource source = new XMLStreamBufferSource(_mark);
DOMResult result = new DOMResult();
t.transform(source, result);
Node d = result.getNode();
if(d.getNodeType() == Node.DOCUMENT_NODE)
d = d.getFirstChild();
SOAPHeader header = saaj.getSOAPHeader();
if(header == null)
header = saaj.getSOAPPart().getEnvelope().addHeader();
Node node = header.getOwnerDocument().importNode(d, true);
header.appendChild(node);
} catch (Exception e) {
throw new SOAPException(e);
}
}
public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler) throws SAXException {
_mark.writeTo(contentHandler);
}
/**
* Creates an EPR without copying infoset.
*
* This is the most common implementation on which {@link Header#readAsEPR(AddressingVersion)}
* is invoked on.
*/
@Override @NotNull
public WSEndpointReference readAsEPR(AddressingVersion expected) throws XMLStreamException {
return new WSEndpointReference(_mark,expected);
}
protected abstract FinalArrayList<Attribute> processHeaderAttributes(XMLStreamReader reader);
/**
* Convert null to "".
*/
private static String fixNull(String s) {
if(s==null) return "";
else return s;
}
}