/**
* 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.interceptor;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.Executor;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.invoker.Invoker;
/**
* Invokes a Binding's invoker with the <code>INVOCATION_INPUT</code> from
* the Exchange.
* @author Dan Diephouse
*/
public class ServiceInvokerInterceptor extends AbstractPhaseInterceptor<Message> {
public ServiceInvokerInterceptor() {
super();
setPhase(Phase.INVOKE);
}
public void handleMessage(final Message message) {
final Exchange exchange = message.getExchange();
final Endpoint endpoint = exchange.get(Endpoint.class);
final Service service = endpoint.getService();
final Invoker invoker = service.getInvoker();
Runnable invocation = new Runnable() {
public void run() {
Object result = invoker.invoke(message.getExchange(), getInvokee(message));
if (!exchange.isOneWay()) {
Endpoint ep = exchange.get(Endpoint.class);
Message outMessage = message.getExchange().getOutMessage();
if (outMessage == null) {
outMessage = ep.getBinding().createMessage();
exchange.setOutMessage(outMessage);
}
copyJaxwsProperties(message, outMessage);
if (result != null) {
if (result instanceof List) {
outMessage.setContent(List.class, result);
} else if (result.getClass().isArray()) {
result = Arrays.asList((Object[])result);
outMessage.setContent(List.class, result);
} else {
outMessage.setContent(Object.class, result);
}
}
}
}
};
Executor executor = getExecutor(endpoint);
if (exchange.get(Executor.class) == executor) {
// already executing on the appropriate executor
invocation.run();
} else {
exchange.put(Executor.class, executor);
executor.execute(invocation);
}
}
private Object getInvokee(Message message) {
Object invokee = message.getContent(List.class);
if (invokee == null) {
invokee = message.getContent(Object.class);
}
return invokee;
}
/**
* Get the Executor for this invocation.
* @param endpoint
* @return
*/
private Executor getExecutor(final Endpoint endpoint) {
return endpoint.getService().getExecutor();
}
private void copyJaxwsProperties(Message inMsg, Message outMsg) {
outMsg.put(Message.WSDL_OPERATION, inMsg.get(Message.WSDL_OPERATION));
outMsg.put(Message.WSDL_SERVICE, inMsg.get(Message.WSDL_SERVICE));
outMsg.put(Message.WSDL_INTERFACE, inMsg.get(Message.WSDL_INTERFACE));
outMsg.put(Message.WSDL_PORT, inMsg.get(Message.WSDL_PORT));
outMsg.put(Message.WSDL_DESCRIPTION, inMsg.get(Message.WSDL_DESCRIPTION));
}
}