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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.xstream;
import java.io.StringWriter;
import javax.xml.stream.XMLStreamException;
import org.apache.axiom.om.OMElement;
import org.apache.tuscany.sca.databinding.PullTransformer;
import org.apache.tuscany.sca.databinding.TransformationContext;
import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
import com.thoughtworks.xstream.XStream;
/**
* Job DataObject --> AXIOM OMElement transformer
*
* @version $Rev$ $Date$
*/
public class OMElement2XObject extends BaseTransformer<OMElement, XObject> implements
PullTransformer<OMElement, XObject> {
public XObject transform(OMElement source, TransformationContext context) {
XStream xs = new XStream();
xs.alias("xobject", MetaObjectImpl.class);
MetaObjectImpl mo;
try {
java.io.StringWriter writer = new StringWriter();
source.serialize(writer);
String w = writer.toString();
// FIXME: a better way to get eliminate param0
w = w.replaceAll("param0", "xobject");
w = w.replaceAll("xmlns=\"\"", "");
mo = (MetaObjectImpl)xs.fromXML(w.trim());
return mo.getInstance();
} catch (XMLStreamException e) {
e.printStackTrace();
}
return null;
}
@Override
public Class<OMElement> getSourceType() {
return OMElement.class;
}
@Override
public Class<XObject> getTargetType() {
return XObject.class;
}
@Override
public int getWeight() {
return 10;
}
}
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