/**
* 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.camel.component.xmlrpc;
import java.util.List;
import org.apache.camel.AsyncCallback;
import org.apache.camel.AsyncProcessor;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.impl.DefaultProducer;
import org.apache.xmlrpc.client.XmlRpcClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The xmlrpc producer.
*/
public class XmlRpcProducer extends DefaultProducer implements AsyncProcessor {
private static final transient Logger LOG = LoggerFactory.getLogger(XmlRpcProducer.class);
private XmlRpcEndpoint endpoint;
private XmlRpcClient client;
public XmlRpcProducer(XmlRpcEndpoint endpoint) {
super(endpoint);
this.endpoint = endpoint;
}
public void process(Exchange exchange) throws Exception {
LOG.trace("Process exchange: {} in the sync way.", exchange);
Message in = exchange.getIn();
String operationName = in.getHeader(XmlRpcConstants.METHOD_NAME, String.class);
//TODO need to use the binding to handle the requests
Object result = client.execute(operationName, in.getBody(List.class));
//TODO what if the request is one way operation
// copy the in message header to the out message
exchange.getOut().getHeaders().putAll(exchange.getIn().getHeaders());
exchange.getOut().setBody(result);
}
public boolean process(Exchange exchange, AsyncCallback callback) {
LOG.trace("Process exchange: {} in the async way.", exchange);
Message in = exchange.getIn();
String operationName = in.getHeader(XmlRpcConstants.METHOD_NAME, String.class);
XmlRpcAsyncCallback xmlRpcAsyncCallback = new XmlRpcAsyncCallback(exchange, callback);
//TODO need to use the binding to handle the requests
try {
client.executeAsync(operationName, in.getBody(List.class), xmlRpcAsyncCallback);
return false;
} catch (Exception ex) {
exchange.setException(ex);
callback.done(true);
return true;
}
}
@Override
protected void doStart() throws Exception {
if (client == null) {
client = endpoint.createClient();
}
}
@Override
protected void doStop() throws Exception {
super.doStop();
if (client != null) {
// Just release the client
client = null;
}
}
}