/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cxf.aegis.type.xml;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.apache.cxf.aegis.Context;
import org.apache.cxf.aegis.DatabindingException;
import org.apache.cxf.aegis.type.Type;
import org.apache.cxf.aegis.xml.MessageReader;
import org.apache.cxf.aegis.xml.MessageWriter;
import org.apache.cxf.aegis.xml.stax.ElementReader;
import org.apache.cxf.aegis.xml.stax.ElementWriter;
import org.apache.cxf.staxutils.FragmentStreamReader;
import org.apache.cxf.staxutils.StaxUtils;
/**
* Reads and writes <code>org.w3c.dom.Document</code> types.
*
* @author <a href="mailto:dan@envoisolutions.com">Dan Diephouse</a>
*/
public class DocumentType extends Type {
public DocumentType() {
setWriteOuter(false);
}
@Override
public Object readObject(MessageReader mreader, Context context) throws DatabindingException {
try {
XMLStreamReader reader = ((ElementReader)mreader).getXMLStreamReader();
// we need to eat the surrounding element.
reader.nextTag();
Object tree = StaxUtils.read(null, new FragmentStreamReader(reader), true);
reader.nextTag(); // eat the end tag.
return tree;
} catch (XMLStreamException e) {
throw new DatabindingException("Could not parse xml.", e);
}
}
@Override
public void writeObject(Object object, MessageWriter writer,
Context context) throws DatabindingException {
Document doc = (Document)object;
try {
Element docElement = doc.getDocumentElement();
if (docElement == null) {
if (isNillable()) {
writer.writeXsiNil();
} else {
throw new DatabindingException("Could not write xml: null document element.");
}
} else {
StaxUtils.writeElement(docElement, ((ElementWriter)writer).getXMLStreamWriter(), false);
}
} catch (XMLStreamException e) {
throw new DatabindingException("Could not write xml.", e);
}
}
}