/*
* 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.mediators.bsf.convertors;
import java.io.ByteArrayInputStream;
import javax.xml.stream.XMLStreamException;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.bsf.BSFEngine;
import org.apache.bsf.BSFException;
import org.apache.synapse.SynapseException;
/**
* OMElementConvertor for Ruby scripts
*
* TODO: Right now this goes via Strings and likely isn't very fast
* There could well be much better ways to do this :)
*/
public class RBOMElementConvertor implements OMElementConvertor {
protected BSFEngine bsfEngine;
public RBOMElementConvertor() {
}
public Object toScript(OMElement omElement) {
try {
StringBuffer srcFragment = new StringBuffer("Document.new(<<EOF\n");
srcFragment.append(omElement.toString());
srcFragment.append("\nEOF\n");
srcFragment.append(")");
Object o = bsfEngine.eval("RBOMElementConvertor", 0, 0, srcFragment.toString());
return o;
} catch (BSFException e) {
throw new SynapseException(e);
}
}
public OMElement fromScript(Object o) {
try {
byte[] xmlBytes = o.toString().getBytes();
StAXOMBuilder builder = new StAXOMBuilder(new ByteArrayInputStream(xmlBytes));
OMElement omElement = builder.getDocumentElement();
return omElement;
} catch (XMLStreamException e) {
throw new SynapseException(e);
}
}
public void setEngine(BSFEngine e) {
this.bsfEngine = e;
}
}