/*
* 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 javax.xml.stream.XMLStreamException;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.synapse.SynapseException;
import org.apache.xmlbeans.XmlObject;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
import org.mozilla.javascript.Wrapper;
import org.mozilla.javascript.xml.XMLObject;
/**
* JSObjectConvertor converts between Synapse OMElements and JavaScript E4X XML objects
*/
public class JSOMElementConvertor extends DefaultOMElementConvertor {
protected Scriptable scope;
public JSOMElementConvertor() {
Context cx = Context.enter();
try {
this.scope = cx.initStandardObjects();
} finally {
Context.exit();
}
}
public Object toScript(OMElement o) {
XmlObject xml;
try {
xml = XmlObject.Factory.parse(o.getXMLStreamReader());
} catch (Exception e) {
throw new SynapseException("exception getting message XML: " + e);
}
Context cx = Context.enter();
try {
Object wrappedXML = cx.getWrapFactory().wrap(cx, scope, xml, XmlObject.class);
Scriptable jsXML = cx.newObject(scope, "XML", new Object[] { wrappedXML });
return jsXML;
} finally {
Context.exit();
}
}
public OMElement fromScript(Object o) {
if (!(o instanceof XMLObject)) {
return super.fromScript(o);
}
// TODO: E4X Bug? Shouldn't need this copy, but without it the outer element gets lost???
Scriptable jsXML = (Scriptable) ScriptableObject.callMethod((Scriptable) o, "copy", new Object[0]);
Wrapper wrapper = (Wrapper) ScriptableObject.callMethod((XMLObject)jsXML, "getXmlObject", new Object[0]);
XmlObject xmlObject = (XmlObject)wrapper.unwrap();
try {
StAXOMBuilder builder = new StAXOMBuilder(xmlObject.newInputStream());
OMElement omElement = builder.getDocumentElement();
return omElement;
} catch (XMLStreamException e) {
throw new SynapseException(e);
}
}
}