/**
* 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.cxf.binding.soap.interceptor;
import java.util.LinkedList;
import java.util.List;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.apache.cxf.binding.soap.SoapFault;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.databinding.DataWriter;
import org.apache.cxf.helpers.NSStack;
import org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.cxf.staxutils.StaxUtils;
public class RPCOutInterceptor extends AbstractOutDatabindingInterceptor {
public RPCOutInterceptor() {
super();
setPhase(Phase.MARSHAL);
}
public void handleMessage(Message message) {
try {
NSStack nsStack = new NSStack();
nsStack.push();
BindingOperationInfo operation = (BindingOperationInfo) message.getExchange().get(
BindingOperationInfo.class.getName());
assert operation.getName() != null;
XMLStreamWriter xmlWriter = getXMLStreamWriter(message);
DataWriter<XMLStreamWriter> dataWriter = getDataWriter(message, XMLStreamWriter.class);
addOperationNode(nsStack, message, xmlWriter);
int countParts = 0;
List<MessagePartInfo> parts = null;
if (!isRequestor(message)) {
parts = operation.getOutput().getMessageParts();
} else {
parts = operation.getInput().getMessageParts();
}
countParts = parts.size();
if (countParts > 0) {
List<?> objs = (List<?>) message.getContent(List.class);
if (objs.size() < parts.size()) {
throw new SoapFault("The number of arguments is not equal!",
((SoapMessage) message).getVersion().getSender());
}
List<MessagePartInfo> llist = new LinkedList<MessagePartInfo>();
for (MessagePartInfo mpi : parts) {
if (!llist.contains(mpi)) {
int i = 0;
for (; i < llist.size(); i++) {
if (llist.get(i).getIndex() > mpi.getIndex()) {
i++;
break;
}
}
llist.add(i, mpi);
}
}
for (int idx = 0; idx < countParts; idx++) {
MessagePartInfo part = llist.get(idx);
dataWriter.write(objs.get(idx), part, xmlWriter);
}
}
// Finishing the writing.
xmlWriter.writeEndElement();
} catch (XMLStreamException e) {
throw new Fault(e);
}
}
protected String addOperationNode(NSStack nsStack, Message message, XMLStreamWriter xmlWriter)
throws XMLStreamException {
String responseSuffix = !isRequestor(message) ? "Response" : "";
BindingOperationInfo boi = message.getExchange().get(BindingOperationInfo.class);
String ns = boi.getName().getNamespaceURI();
nsStack.add(ns);
String prefix = nsStack.getPrefix(ns);
StaxUtils.writeStartElement(xmlWriter, prefix, boi.getName().getLocalPart() + responseSuffix, ns);
return ns;
}
protected XMLStreamWriter getXMLStreamWriter(Message message) {
return message.getContent(XMLStreamWriter.class);
}
}