/*******************************************************************************
* Copyright (c) 2012 Michael Mimo Moratti.
*
* Michael Mimo Moratti 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 ch.mimo.netty.example.icap.simple;
import java.net.InetSocketAddress;
import java.util.concurrent.Executors;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.socket.oio.OioClientSocketChannelFactory;
import org.jboss.netty.handler.codec.http.DefaultHttpRequest;
import org.jboss.netty.handler.codec.http.HttpHeaders;
import org.jboss.netty.handler.codec.http.HttpMethod;
import org.jboss.netty.handler.codec.http.HttpRequest;
import org.jboss.netty.handler.codec.http.HttpVersion;
import ch.mimo.netty.handler.codec.icap.DefaultIcapRequest;
import ch.mimo.netty.handler.codec.icap.IcapMethod;
import ch.mimo.netty.handler.codec.icap.IcapRequest;
import ch.mimo.netty.handler.codec.icap.IcapVersion;
/**
* Simple ICAP client that send a REQMOD request with a HTTP POST request and body
* to a server and prints the answer.
*
* @author Michael Mimo Moratti (mimo@mimo.ch)
*
*/
public class IcapClient {
public static void main(String[] args) {
int port = 8099;
String host = "localhost";
// Configure the client.
ClientBootstrap bootstrap = new ClientBootstrap(
new OioClientSocketChannelFactory(
Executors.newCachedThreadPool()));
// Set up the event pipeline factory.
bootstrap.setPipelineFactory(new IcapClientChannelPipeline());
// Start the connection attempt.
ChannelFuture future = bootstrap.connect(new InetSocketAddress(host,port));
// Wait until the connection attempt succeeds or fails.
Channel channel = future.awaitUninterruptibly().getChannel();
if (!future.isSuccess()) {
future.getCause().printStackTrace();
bootstrap.releaseExternalResources();
return;
}
// Prepare the ICAP request.
IcapRequest request = new DefaultIcapRequest(IcapVersion.ICAP_1_0,IcapMethod.REQMOD,"/simple","localhost");
HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST,"/some/servers/uri");
httpRequest.setHeader(HttpHeaders.Names.HOST,host);
httpRequest.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
httpRequest.setHeader(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
httpRequest.setContent(ChannelBuffers.wrappedBuffer("This is the message body that contains all the necessary data to answer the ultimate question...".getBytes()));
request.setHttpRequest(httpRequest);
// Send the ICAP request.
channel.write(request);
// Wait for the server to close the connection.
channel.getCloseFuture().awaitUninterruptibly();
// Shut down executor threads to exit.
bootstrap.releaseExternalResources();
}
}