/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.axiom.om.impl.builder;
import java.io.FileNotFoundException;
import java.io.InputStream;
import javax.activation.DataHandler;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.axiom.attachments.Attachments;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNode;
import org.apache.axiom.om.OMText;
import org.apache.axiom.om.impl.MTOMConstants;
import org.apache.axiom.om.impl.OMNodeEx;
import org.apache.axiom.om.impl.OMContainerEx;
import org.apache.axiom.om.util.ElementHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import sun.misc.GC.LatencyRequest;
public class XOPAwareStAXOMBuilder extends StAXOMBuilder implements XOPBuilder{
/**
* <code>Attachments</code> handles deferred parsing of incoming MIME
* Messages.
*/
Attachments attachments;
/**
* Constructor StAXOMBuilder.
*
* @param ombuilderFactory
* @param parser
*/
public XOPAwareStAXOMBuilder(OMFactory ombuilderFactory,
XMLStreamReader parser, Attachments attachments) {
super(ombuilderFactory, parser);
this.attachments = attachments;
}
/**
* Constructor linked to existing element.
*
* @param factory
* @param parser
* @param element
*/
public XOPAwareStAXOMBuilder(OMFactory factory, XMLStreamReader parser,
OMElement element,Attachments attachments) {
super(factory, parser, element);
this.attachments = attachments;
}
/**
* @param filePath -
* Path to the XML file
* @throws XMLStreamException
* @throws FileNotFoundException
*/
public XOPAwareStAXOMBuilder(String filePath,Attachments attachments) throws XMLStreamException,
FileNotFoundException {
super(filePath);
this.attachments = attachments;
}
/**
* @param inStream -
* instream which contains the XML
* @throws XMLStreamException
*/
public XOPAwareStAXOMBuilder(InputStream inStream,Attachments attachments)
throws XMLStreamException {
super(inStream);
this.attachments = attachments;
}
/**
* Constructor StAXXOPAwareOMBuilder.
*
* @param parser
*/
public XOPAwareStAXOMBuilder(XMLStreamReader parser,Attachments attachments) {
super(parser);
this.attachments = attachments;
}
/**
* Method createOMElement. Overriding the createOMElement of StAXOMBuilder
* to to XOP aware building
*
* @return Returns OMNode.
* @throws OMException
*/
protected OMNode createOMElement() throws OMException {
String elementName = parser.getLocalName();
String namespaceURI = parser.getNamespaceURI();
if (MTOMConstants.XOP_INCLUDE.equalsIgnoreCase(elementName)
&& MTOMConstants.XOP_NAMESPACE_URI
.equalsIgnoreCase(namespaceURI)) {
OMText node;
String contentID = ElementHelper.getContentID(parser, getDocument()
.getCharsetEncoding());
if (lastNode == null) {
throw new OMException(
"XOP:Include element is not supported here");
} else if (lastNode.isComplete() & lastNode.getParent() != null) {
node = omfactory.createOMText(contentID, (OMElement) lastNode
.getParent(), this);
((OMNodeEx) lastNode).setNextOMSibling(node);
((OMNodeEx) node).setPreviousOMSibling(lastNode);
} else {
OMContainerEx e = (OMContainerEx) lastNode;
node = omfactory.createOMText(contentID, (OMElement) lastNode,this);
e.setFirstChild(node);
}
return node;
} else {
return super.createOMElement();
}
}
public DataHandler getDataHandler(String blobContentID) throws OMException {
return attachments.getDataHandler(blobContentID);
}
}