/*
* Copyright 1999-2004 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.cocoon.components.sax;
import org.apache.cocoon.xml.AbstractSAXFragment;
import org.apache.cocoon.xml.EmbeddedXMLPipe;
import org.apache.cocoon.xml.XMLConsumer;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
/**
* An XMLByteStream wrapped by an XMLFragment implementation. This allows to
* store SAX events and insert them in an XSP result using <xsp:expr>.
*
* @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
* @version CVS $Id: XMLByteStreamFragment.java,v 1.2 2004/03/05 13:02:50 bdelacretaz Exp $
*/
public class XMLByteStreamFragment extends AbstractSAXFragment {
/** The XML byte stream */
private Object xmlBytes;
/**
* Creates a new <code>XMLByteStreamFragment</code> defined by the given
* XML byte stream.
*
* @param bytes the XML byte stream representing the document fragment
*/
public XMLByteStreamFragment(Object bytes) {
xmlBytes = bytes;
}
/**
* Output the fragment. If the fragment is a document, start/endDocument
* events are discarded.
*/
public void toSAX(ContentHandler ch)
throws SAXException {
// Stream bytes and discard start/endDocument
XMLByteStreamInterpreter interp = new XMLByteStreamInterpreter();
EmbeddedXMLPipe pipe = new EmbeddedXMLPipe(ch);
// If ch is an XMLConsumer, set it as such so that XML comments are
// also deserialized.
if (ch instanceof XMLConsumer)
pipe.setConsumer((XMLConsumer) ch);
interp.setContentHandler(pipe);
interp.deserialize(xmlBytes);
}
}