Package org.apache.axis.message

Source Code of org.apache.axis.message.SOAPHandler

/*
* 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
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* 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.message;

/** A <code>SOAPHandler</code>
*
* @author Glen Daniels (gdaniels@allaire.com)
*/

import org.apache.axis.AxisFault;
import org.apache.axis.Constants;
import org.apache.axis.encoding.DeserializationContext;
import org.apache.axis.encoding.TypeMappingRegistry;
import org.apache.axis.soap.SOAPConstants;
import org.apache.axis.utils.Messages;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

public class SOAPHandler extends DefaultHandler
{
    public MessageElement myElement = null;
    private MessageElement[] myElements;
    private int myIndex = 0;

    public SOAPHandler() {
    }

   /**
    * This constructor allows deferred setting of any elements
    * @param elements array of message elements to be populated
    * @param index position in array where the message element is to be created
    */
    public SOAPHandler(MessageElement[] elements, int index) {
        myElements = elements;
        myIndex = index;
    }
   
    public void startElement(String namespace, String localName,
                             String prefix, Attributes attributes,
                             DeserializationContext context)
        throws SAXException
    {
        SOAPConstants soapConstants = Constants.DEFAULT_SOAP_VERSION;
        if (context.getMessageContext() != null)
            soapConstants = context.getMessageContext().getSOAPConstants();


        if (soapConstants == SOAPConstants.SOAP12_CONSTANTS) {
            String encodingStyle = attributes.getValue(Constants.URI_SOAP12_ENV,
                                Constants.ATTR_ENCODING_STYLE);

            if (encodingStyle != null && !encodingStyle.equals("")
                && !encodingStyle.equals(Constants.URI_SOAP12_NOENC)
                && !Constants.isSOAP_ENC(encodingStyle)) {
                TypeMappingRegistry tmr = context.getTypeMappingRegistry();
                // TODO: both soap encoding style is registered ?
                if (tmr.getTypeMapping(encodingStyle) == tmr.getDefaultTypeMapping()) {
                    AxisFault fault = new AxisFault(Constants.FAULT_SOAP12_DATAENCODINGUNKNOWN,
                        null, Messages.getMessage("invalidEncodingStyle"), null, null, null);

                    throw new SAXException(fault);
                }
            }
        }


        // By default, make a new element
        if (!context.isDoneParsing() && !context.isProcessingRef()) {
            if (myElement == null) {
                try {
                    myElement = makeNewElement(namespace, localName, prefix,
                                               attributes, context);
                } catch (AxisFault axisFault) {
                    throw new SAXException(axisFault);
                }
            }
            context.pushNewElement(myElement);
        }
    }

    public MessageElement makeNewElement(String namespace, String localName,
                             String prefix, Attributes attributes,
                             DeserializationContext context)
        throws AxisFault
    {
        return new MessageElement(namespace, localName,
                                               prefix, attributes, context);
    }

    public void endElement(String namespace, String localName,
                           DeserializationContext context)
        throws SAXException
    {
        if (myElement != null) {
            if (myElements != null) {
                myElements[myIndex] = myElement;
            }
            myElement.setEndIndex(context.getCurrentRecordPos());
        }
    }
   
    public SOAPHandler onStartChild(String namespace,
                                    String localName,
                                    String prefix,
                                    Attributes attributes,
                                    DeserializationContext context)
        throws SAXException
    {
        SOAPHandler handler = new SOAPHandler();
        return handler;
    }
   
    public void onEndChild(String namespace, String localName,
                           DeserializationContext context)
        throws SAXException
    {
    }
}
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