/*
* 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.synapse.util.jaxp;
import java.nio.charset.Charset;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Result;
import javax.xml.transform.dom.DOMResult;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.dom.jaxp.DOOMDocumentBuilderFactory;
import org.apache.axiom.om.util.ElementHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseException;
import org.w3c.dom.Document;
/**
* {@link ResultBuilder} implementation that produces a {@link DOMResult} with
* an empty DOOM document. It reimports the document as a normal AXIOM tree
* using {@link ElementHelper#importOMElement(OMElement, org.apache.axiom.om.OMFactory)}.
*/
public class DOOMResultBuilder implements ResultBuilder {
private static final Log log = LogFactory.getLog(DOOMResultBuilder.class);
private Document document;
public Result getResult() {
try {
document = new DOOMDocumentBuilderFactory().newDocumentBuilder().newDocument();
} catch (ParserConfigurationException e) {
handleException("Unable to create empty DOOM document", e);
}
return new DOMResult(document);
}
public OMElement getNode(Charset charset) {
// TODO: we need to support SOAPEnvelope
// (not supported by the original code in XSLTMediator)
if (document.getDocumentElement() != null) {
return ElementHelper.importOMElement(
(OMElement) document.getDocumentElement(), OMAbstractFactory.getOMFactory());
} else {
handleException("Cannot find the Document Element");
}
return null;
}
public void release() {
}
private static void handleException(String message, Throwable ex) {
log.error(message, ex);
throw new SynapseException(message, ex);
}
private static void handleException(String message) {
log.error(message);
throw new SynapseException(message);
}
}