/*
* 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.tuscany.sca.databinding.saxon;
import javax.xml.transform.dom.DOMSource;
import net.sf.saxon.Configuration;
import net.sf.saxon.om.DocumentInfo;
import net.sf.saxon.om.NodeInfo;
import net.sf.saxon.trans.XPathException;
import org.apache.tuscany.sca.databinding.PullTransformer;
import org.apache.tuscany.sca.databinding.TransformationContext;
import org.apache.tuscany.sca.databinding.TransformationException;
import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* Transforms DOM Node-s to NodeInfo objects needed by Saxon parser
* @version $Rev: 566518 $ $Date: 2007-08-16 08:21:34 +0100 (Thu, 16 Aug 2007) $
* Any namespaces that are defined are deleted, because otherwise
* the SaxonB parser does not work
*/
public class Node2NodeInfoTransformer extends BaseTransformer<Node, NodeInfo>
implements PullTransformer<Node, NodeInfo> {
public NodeInfo transform(Node source, TransformationContext context) {
if(source instanceof Document) {
Configuration configuration = SaxonDataBindingHelper.CURR_EXECUTING_CONFIG;
if(configuration == null) {
configuration = new Configuration();
}
Document doc = (Document)source;
Document cloneDoc = (Document)doc.cloneNode(false);
SaxonDataBindingHelper.setNamespacesAndPrefixesReq(doc, cloneDoc, cloneDoc, "", null);
DocumentInfo docInfo = null;
try {
docInfo = configuration.buildDocument(new DOMSource(cloneDoc));
} catch (XPathException e) {
throw new TransformationException(e);
}
return docInfo;
}
return null;
}
@Override
protected Class getSourceType() {
return Node.class;
}
@Override
protected Class getTargetType() {
return NodeInfo.class;
}
@Override
public int getWeight() {
return 10;
}
}