org.apache.cxf.frontend.ClientProxy Maven / Gradle / Ivy
/**
* 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.frontend;
import java.io.Closeable;
import java.io.IOException;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Map;
import java.util.logging.Logger;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.endpoint.Client;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.service.invoker.MethodDispatcher;
import org.apache.cxf.service.model.BindingOperationInfo;
public class ClientProxy implements InvocationHandler, Closeable {
private static final Logger LOG = LogUtils.getL7dLogger(ClientProxy.class);
protected Client client;
private Endpoint endpoint;
public ClientProxy(Client c) {
endpoint = c.getEndpoint();
client = c;
}
public void close() throws IOException {
if (client != null) {
client.destroy();
client = null;
endpoint = null;
}
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if (client == null) {
throw new IllegalStateException("The client has been closed.");
}
if (method.getDeclaringClass().equals(Object.class)
|| method.getDeclaringClass().equals(Closeable.class)) {
return method.invoke(this);
} else if (method.getDeclaringClass().isInstance(client)) {
return method.invoke(client, args);
}
MethodDispatcher dispatcher = (MethodDispatcher)endpoint.getService().get(MethodDispatcher.class
.getName());
BindingOperationInfo oi = dispatcher.getBindingOperation(method, endpoint);
if (oi == null) {
throw new Fault(new Message("NO_OPERATION_INFO", LOG, method.getName()));
}
Object[] params = args;
if (null == params) {
params = new Object[0];
}
Object o = invokeSync(method, oi, params);
//call a virtual method passing the object. This causes the IBM JDK
//to keep the "this" pointer references and thus "this" doesn't get
//finalized in the midst of an invoke operation
return adjustObject(o);
}
protected Object adjustObject(Object o) {
return o;
}
public Object invokeSync(Method method, BindingOperationInfo oi, Object[] params)
throws Exception {
if (client == null) {
throw new IllegalStateException("The client has been closed.");
}
Object rawRet[] = client.invoke(oi, params);
if (rawRet != null && rawRet.length > 0) {
return rawRet[0];
} else {
return null;
}
}
public Map getRequestContext() {
if (client == null) {
throw new IllegalStateException("The client has been closed.");
}
return client.getRequestContext();
}
public Map getResponseContext() {
if (client == null) {
throw new IllegalStateException("The client has been closed.");
}
return client.getResponseContext();
}
public Client getClient() {
return client;
}
@Override
protected void finalize() throws Throwable {
close();
super.finalize();
}
public static Client getClient(Object o) {
return ((ClientProxy)Proxy.getInvocationHandler(o)).getClient();
}
}