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Open source Reference Implementation of JSR-67: SOAP with Attachments API for Java (SAAJ MR: 1.4)
There is a newer version: 3.0.4
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 * 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
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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 * file and include the License file at packager/legal/LICENSE.txt.
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package com.sun.xml.messaging.saaj.soap;

import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;

import com.sun.xml.messaging.saaj.LazyEnvelopeSource;
import org.jvnet.staxex.util.XMLStreamReaderToXMLStreamWriter;


/**
 * StaxBridge builds Envelope from LazyEnvelopeSource
 *
 * @author [email protected]
 */
public class StaxLazySourceBridge extends StaxBridge {
	private LazyEnvelopeSource lazySource;
	
	public StaxLazySourceBridge(LazyEnvelopeSource src, SOAPPartImpl soapPart) throws SOAPException {
		super(soapPart);
		lazySource = src;
		final String soapEnvNS = soapPart.getSOAPNamespace();
		try {
			breakpoint = new XMLStreamReaderToXMLStreamWriter.Breakpoint(src.readToBodyStarTag(), saajWriter) {
			    		public boolean proceedAfterStartElement()  { 
			    			if ("Body".equals(reader.getLocalName()) && soapEnvNS.equals(reader.getNamespaceURI()) ){
			    				return false;
			    			} else
			    				return true; 
			    		}
			        };
		} catch (XMLStreamException e) {
			throw new SOAPException(e);
		}
	}

	@Override
    public XMLStreamReader getPayloadReader() {
        return lazySource.readPayload();
//		throw new UnsupportedOperationException();
    }

	@Override
    public QName getPayloadQName() {
        return lazySource.getPayloadQName();
    }

	@Override
    public String getPayloadAttributeValue(String attName) {
        if (lazySource.isPayloadStreamReader()) {
            XMLStreamReader reader = lazySource.readPayload();
            if (reader.getEventType() == XMLStreamConstants.START_ELEMENT) {
                return reader.getAttributeValue(null, attName);
            }
        }
        return null;
    }

	@Override
    public String getPayloadAttributeValue(QName attName) {
        if (lazySource.isPayloadStreamReader()) {
            XMLStreamReader reader = lazySource.readPayload();
            if (reader.getEventType() == XMLStreamConstants.START_ELEMENT) {
                return reader.getAttributeValue(attName.getNamespaceURI(), attName.getLocalPart());
            }
        }
        return null;
    }
	
	public void bridgePayload() throws XMLStreamException {
		//Assuming out is at Body
		writePayloadTo(saajWriter);
	}

	public void writePayloadTo(XMLStreamWriter writer) throws XMLStreamException {
        lazySource.writePayloadTo(writer);
    }
}