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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.cxf.jaxws.interceptors;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.databinding.DataBinding;
import org.apache.cxf.databinding.WrapperCapableDatabinding;
import org.apache.cxf.databinding.WrapperHelper;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageContentsList;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.factory.ReflectionServiceFactoryBean;
import org.apache.cxf.service.model.BindingMessageInfo;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.MessageInfo;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.cxf.service.model.OperationInfo;
import org.apache.cxf.service.model.ServiceModelUtil;
public class WrapperClassInInterceptor extends AbstractPhaseInterceptor {
private static final Logger LOG = LogUtils.getL7dLogger(WrapperClassInInterceptor.class);
public WrapperClassInInterceptor() {
super(Phase.POST_LOGICAL);
}
public void handleMessage(Message message) throws Fault {
Exchange ex = message.getExchange();
BindingOperationInfo boi = ex.getBindingOperationInfo();
if (Boolean.TRUE.equals(message.get(Message.PARTIAL_RESPONSE_MESSAGE))
|| boi == null) {
return;
}
Method method = ex.get(Method.class);
if (method != null && method.getName().endsWith("Async")) {
Class retType = method.getReturnType();
if (retType.getName().equals("java.util.concurrent.Future")
|| retType.getName().equals("javax.xml.ws.Response")) {
return;
}
}
if (boi != null && boi.isUnwrappedCapable()) {
BindingOperationInfo boi2 = boi.getUnwrappedOperation();
OperationInfo op = boi2.getOperationInfo();
BindingMessageInfo bmi;
MessageInfo wrappedMessageInfo = message.get(MessageInfo.class);
MessageInfo messageInfo;
if (wrappedMessageInfo == boi.getOperationInfo().getInput()) {
messageInfo = op.getInput();
bmi = boi2.getInput();
} else {
messageInfo = op.getOutput();
bmi = boi2.getOutput();
}
// Sometimes, an operation can be unwrapped according to WSDLServiceFactory,
// but not according to JAX-WS. We should unify these at some point, but
// for now check for the wrapper class.
MessageContentsList lst = MessageContentsList.getContentsList(message);
if (lst == null) {
return;
}
message.put(MessageInfo.class, messageInfo);
message.put(BindingMessageInfo.class, bmi);
ex.put(BindingOperationInfo.class, boi2);
ex.put(OperationInfo.class, op);
if (isGET(message)) {
LOG.fine("WrapperClassInInterceptor skipped in HTTP GET method");
return;
}
MessagePartInfo wrapperPart = wrappedMessageInfo.getMessagePart(0);
Class wrapperClass = wrapperPart.getTypeClass();
Object wrappedObject = lst.get(wrapperPart.getIndex());
if (wrapperClass != null && !wrapperClass.isInstance(wrappedObject)) {
wrappedObject = null;
wrapperPart = null;
wrapperClass = null;
}
if (wrapperClass == null || wrappedObject == null) {
return;
}
WrapperHelper helper = wrapperPart.getProperty("WRAPPER_CLASS", WrapperHelper.class);
if (helper == null) {
Service service = ServiceModelUtil.getService(message.getExchange());
DataBinding dataBinding = service.getDataBinding();
if (dataBinding instanceof WrapperCapableDatabinding) {
helper = createWrapperHelper((WrapperCapableDatabinding)dataBinding,
messageInfo, wrappedMessageInfo, wrapperClass);
wrapperPart.setProperty("WRAPPER_CLASS", helper);
} else {
return;
}
}
MessageContentsList newParams;
try {
newParams = new MessageContentsList(helper.getWrapperParts(wrappedObject));
List removes = null;
int count = 0;
for (MessagePartInfo part : messageInfo.getMessageParts()) {
if (Boolean.TRUE.equals(part.getProperty(ReflectionServiceFactoryBean.HEADER))) {
MessagePartInfo mpi = wrappedMessageInfo.getMessagePart(part.getName());
if (lst.hasValue(mpi)) {
count++;
newParams.put(part, lst.get(mpi));
} else if (mpi.getTypeClass() == null) {
//header, but not mapped to a param on the method
if (removes == null) {
removes = new ArrayList();
}
removes.add(part.getIndex());
}
} else {
++count;
}
}
if (count == 0) {
newParams.clear();
} else if (removes != null) {
Collections.sort(removes, Collections.reverseOrder());
for (Integer i : removes) {
if (i < newParams.size()) {
newParams.remove(i.intValue());
}
}
}
} catch (Exception e) {
throw new Fault(e);
}
message.setContent(List.class, newParams);
}
}
private WrapperHelper createWrapperHelper(WrapperCapableDatabinding dataBinding,
MessageInfo messageInfo,
MessageInfo wrappedMessageInfo,
Class wrapperClass) {
List partNames = new ArrayList();
List elTypeNames = new ArrayList();
List> partClasses = new ArrayList>();
QName wrapperName = null;
for (MessagePartInfo p : wrappedMessageInfo.getMessageParts()) {
if (wrapperClass == p.getTypeClass()) {
wrapperName = p.getElementQName();
}
}
for (MessagePartInfo p : messageInfo.getMessageParts()) {
if (Boolean.TRUE.equals(p.getProperty(ReflectionServiceFactoryBean.HEADER))) {
if (p.getTypeClass() != null) {
int idx = p.getIndex();
ensureSize(elTypeNames, idx);
ensureSize(partClasses, idx);
ensureSize(partNames, idx);
elTypeNames.set(idx, null);
partClasses.set(idx, null);
partNames.set(idx, null);
}
} else {
String elementType = null;
if (p.getTypeQName() == null) {
// handling anonymous complex type
elementType = null;
} else {
elementType = p.getTypeQName().getLocalPart();
}
int idx = p.getIndex();
ensureSize(elTypeNames, idx);
ensureSize(partClasses, idx);
ensureSize(partNames, idx);
elTypeNames.set(idx, elementType);
partClasses.set(idx, p.getTypeClass());
partNames.set(idx, p.getName().getLocalPart());
}
}
return dataBinding.createWrapperHelper(wrapperClass,
wrapperName,
partNames,
elTypeNames,
partClasses);
}
private void ensureSize(List lst, int idx) {
while (idx >= lst.size()) {
lst.add(null);
}
}
}