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/*
* 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.event.Builder;
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.apache.tuscany.sca.databinding.impl.DOMHelper;
import org.w3c.dom.Node;
/**
* Transforms DOM Node-s to NodeInfo objects needed by Saxon parser.
*
* Any namespaces that are defined are deleted, because otherwise
* the SaxonB parser does not work
*
* @version $Rev$ $Date$
*/
public class Node2NodeInfoTransformer extends BaseTransformer<Node, NodeInfo> implements
PullTransformer<Node, NodeInfo> {
public NodeInfo transform(Node source, TransformationContext context) {
Configuration configuration = SaxonDataBindingHelper.CURR_EXECUTING_CONFIG;
if (configuration == null) {
configuration = new Configuration();
}
NodeInfo docInfo = null;
try {
source = DOMHelper.promote(source);
docInfo = Builder.build(new DOMSource(source), null, configuration);
} catch (XPathException e) {
throw new TransformationException(e);
}
return docInfo;
}
@Override
protected Class<Node> getSourceType() {
return Node.class;
}
@Override
protected Class<NodeInfo> getTargetType() {
return NodeInfo.class;
}
@Override
public int getWeight() {
return 10;
}
}
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