/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
/**
* 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.jboss.wsf.stack.cxf;
import java.lang.reflect.Method;
import java.util.List;
import javax.xml.ws.WebServiceContext;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.jaxws.JAXWSMethodInvoker;
import org.apache.cxf.jaxws.context.WebServiceContextImpl;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.MessageContentsList;
import org.apache.cxf.service.invoker.Factory;
import org.apache.cxf.service.invoker.Invoker;
import org.apache.cxf.service.invoker.MethodDispatcher;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.jboss.ws.api.util.ServiceLoader;
import org.jboss.wsf.spi.classloading.ClassLoaderProvider;
import org.jboss.wsf.spi.deployment.Endpoint;
import org.jboss.wsf.spi.invocation.Invocation;
import org.jboss.wsf.spi.invocation.InvocationContext;
import org.jboss.wsf.spi.invocation.InvocationHandler;
import org.jboss.wsf.spi.invocation.NamespaceContextSelectorWrapperFactory;
import org.jboss.wsf.stack.cxf.client.Constants;
/**
* A JBossWS extension of the Apache CXF JAXWSMethodInvoker invoker.
*
* The invocation flow is as follows:
*
* ServiceInvokerInterceptor::handleMessage(Message m)
* |
* v
* JBossWSInvoker::invoke(Exchange e, Object o)
* |
* v
* JAXWSMethodInvoker::invoke(Exchange e, Object o, Method m, Object[] o2)
* |
* v
* AbstractJAXSMethodInvoker::invoke(Exchange e, Object o, Method m, Object[] o2)
* |
* v
* FactoryMethodInvoker::invoke(Exchange e, Object o, Method m, Object[] o2)
* |
* v
* AbstractInvoker::invoke(Exchange e, Object o, Method m, Object[] o2)
* |
* v
* JBossWSInvoker::performInvocation(Exchange e, Object o, Method m, Object[] o2)
*
*
* @author alessio.soldano@jboss.com
* @author Thomas.Diesler@jboss.org
* @author richard.opalka@jboss.com
*
*/
public class JBossWSInvoker extends JAXWSMethodInvoker implements Invoker
{
private static final boolean disableDepUserDefThreadBus = Boolean.getBoolean(Constants.JBWS_CXF_DISABLE_DEPLOYMENT_USER_DEFAULT_THREAD_BUS);
private Object targetBean;
private final NamespaceContextSelectorWrapperFactory nsCtxSelectorFactory;
private final boolean checkForUseAsyncMethod;
public JBossWSInvoker() {
this(true);
}
public JBossWSInvoker(boolean checkForUseAsyncMethod) {
super((Factory)null); //no need for a factory
ClassLoader cl = ClassLoaderProvider.getDefaultProvider().getServerIntegrationClassLoader();
nsCtxSelectorFactory = (NamespaceContextSelectorWrapperFactory) ServiceLoader.loadService(
NamespaceContextSelectorWrapperFactory.class.getName(), null, cl);
this.checkForUseAsyncMethod = checkForUseAsyncMethod;
}
public void setTargetBean(Object targetBean) {
this.targetBean = targetBean;
}
/**
* This overrides org.apache.cxf.jaxws.AbstractInvoker in order for using the JBoss AS target bean
* and simplifying the business method matching
*/
@Override
public Object invoke(Exchange exchange, Object o)
{
BindingOperationInfo bop = exchange.getBindingOperationInfo();
MethodDispatcher md = (MethodDispatcher) exchange.getService().get(MethodDispatcher.class.getName());
List<Object> params = null;
if (o instanceof List) {
params = CastUtils.cast((List<?>) o);
} else if (o != null) {
params = new MessageContentsList(o);
}
final Object tb = (factory == null) ? targetBean : this.getServiceObject(exchange);
final Method method = (bop == null) ? null : md.getMethod(bop);
if (method == null)
{
throw Messages.MESSAGES.missingBindingOpeartionAndDispatchedMethod();
}
//performance optimization, adjustMethodAndParams currently looks for @UseAsyncMethod (which is expensive) and only performs actions if it's found
final Method fm = checkForUseAsyncMethod ? adjustMethodAndParams(md.getMethod(bop), exchange, params, tb.getClass()) : method;
return invoke(exchange, tb, fm, params);
}
/**
* This overrides org.apache.cxf.jaxws.AbstractInvoker in order for using the JBossWS integration logic
* to invoke the JBoss AS target bean.
*/
@Override
protected Object performInvocation(Exchange exchange, final Object serviceObject, Method m, Object[] paramArray)
throws Exception
{
Endpoint ep = exchange.get(Endpoint.class);
final InvocationHandler invHandler = ep.getInvocationHandler();
final Invocation inv = createInvocation(invHandler, serviceObject, ep, m, paramArray);
if (factory != null) {
inv.getInvocationContext().setProperty("forceTargetBean", true);
}
Bus threadBus = BusFactory.getThreadDefaultBus(false);
BusFactory.setThreadDefaultBus(disableDepUserDefThreadBus ? null : ep.getAttachment(Bus.class));
setNamespaceContextSelector(exchange);
ClassLoader cl = SecurityActions.getContextClassLoader();
SecurityActions.setContextClassLoader(serviceObject.getClass().getClassLoader());
try {
invHandler.invoke(ep, inv);
return inv.getReturnValue();
} finally {
SecurityActions.setContextClassLoader(cl);
//make sure the right bus is restored after coming back from the endpoint method
BusFactory.setThreadDefaultBus(threadBus);
clearNamespaceContextSelector(exchange);
}
}
private Invocation createInvocation(InvocationHandler invHandler, Object serviceObject, Endpoint ep, Method m, Object[] paramArray) {
Invocation inv = invHandler.createInvocation();
InvocationContext invContext = inv.getInvocationContext();
WebServiceContext wsCtx = new WebServiceContextImpl(null);
invContext.addAttachment(WebServiceContext.class, wsCtx);
invContext.setTargetBean(serviceObject);
inv.setJavaMethod(m);
inv.setArgs(paramArray);
return inv;
}
protected void setNamespaceContextSelector(Exchange exchange)
{
if (exchange.isOneWay() && nsCtxSelectorFactory != null)
{
nsCtxSelectorFactory.getWrapper().setCurrentThreadSelector(exchange);
}
}
protected void clearNamespaceContextSelector(Exchange exchange)
{
if (exchange.isOneWay() && nsCtxSelectorFactory != null)
{
nsCtxSelectorFactory.getWrapper().clearCurrentThreadSelector(exchange);
}
}
}