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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.jaxb.axiom.ext;
import javax.xml.bind.JAXBException;
import javax.xml.stream.XMLStreamReader;
import org.apache.axiom.om.OMContainer;
import org.apache.axiom.om.OMDataSource;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.om.impl.builder.CustomBuilder;
/**
* JAXBCustomBuilder creates an OMSourcedElement backed by a JAXBDataSource
* for the specified namespace and localPart.
*/
public class JAXBCustomBuilder implements CustomBuilder {
private JAXBDSContext jdsContext;
/**
* Create a JAXBCustomBuilder
* @param context JAXBDSContext
*/
public JAXBCustomBuilder(JAXBDSContext context) {
super();
this.jdsContext = context;
}
public OMElement create(String namespace,
String localPart,
OMContainer parent,
XMLStreamReader reader,
OMFactory factory) throws OMException {
// There are some situations where we want to use normal
// unmarshalling, so return null
if (!shouldUnmarshal(namespace, localPart)) {
// JAXBCustomBuilderMonitor.updateTotalFailedCreates();
return null;
}
try {
// Create an OMSourcedElement backed by an unmarshalled JAXB object
OMNamespace ns = factory.createOMNamespace(namespace, reader.getPrefix());
Object jaxb = jdsContext.unmarshal(reader);
OMDataSource ds = new JAXBDataSourceExt(jaxb, jdsContext);
OMElement omse = factory.createOMElement(ds, localPart, ns);
parent.addChild(omse);
// JAXBCustomBuilderMonitor.updateTotalCreates();
return omse;
} catch (JAXBException e) {
// JAXBCustomBuilderMonitor.updateTotalFailedCreates();
throw new OMException(e);
}
}
/**
* The namespace identifier for the SOAP 1.1 envelope.
*/
public static final String URI_NS_SOAP_1_1_ENVELOPE = "http://schemas.xmlsoap.org/soap/envelope/";
/**
* The namespace identifier for the SOAP 1.2 envelope.
*/
public static final String URI_NS_SOAP_1_2_ENVELOPE = "http://www.w3.org/2003/05/soap-envelope";
/**
* @param namespace
* @param localPart
* @return true if this ns and local part is acceptable for unmarshalling
*/
private boolean shouldUnmarshal(String namespace, String localPart) {
// Don't unmarshall SOAPFaults or anything else in the SOAP
// namespace.
// Don't unmarshall elements that are unqualified
if (localPart == null || namespace == null
|| namespace.length() == 0
|| URI_NS_SOAP_1_1_ENVELOPE.equals(namespace)
|| URI_NS_SOAP_1_2_ENVELOPE.equals(namespace)) {
return false;
}
// Don't unmarshal if this looks like encrypted data
if (localPart.equals("EncryptedData")) {
return false;
}
return true;
}
}
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