/*
* 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.tuscany.sca.binding.jsonrpc.provider;
import java.lang.reflect.Method;
import org.apache.http.client.HttpClient;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.jabsorb.client.Client;
import org.jabsorb.client.Session;
import org.jabsorb.client.TransportRegistry;
/**
* Invoker for the JSONRPC Binding
*
* @version $Rev: 923761 $ $Date: 2010-03-16 07:36:05 -0700 (Tue, 16 Mar 2010) $
*/
public class JSONRPCClientInvoker implements Invoker {
private EndpointReference endpointReference;
private Operation operation;
private Method method;
private String uri;
public JSONRPCClientInvoker(EndpointReference endpointReference, Operation operation, HttpClient httpClient) {
this.endpointReference = endpointReference;
this.operation = operation;
this.method = ((JavaOperation)operation).getJavaMethod();
this.uri = ((JSONRPCBinding)endpointReference.getBinding()).getURI();
}
public Message invoke(Message msg) {
Session session = TransportRegistry.i().createSession(uri);
Client client = new Client(session);
Object proxy = client.openProxy("", method.getDeclaringClass());
try {
Object result = client.invoke(proxy, method, (Object[])msg.getBody());
msg.setBody(result);
} catch (Exception e) {
msg.setFaultBody(e);
} finally {
client.closeProxy(proxy);
session.close();
}
return msg;
}
}