/*
* Copyright 2004-2006 the original author or authors.
*
* Licensed 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 net.sf.cindy.example.http.handler;
import net.sf.cindy.Future;
import net.sf.cindy.FutureListener;
import net.sf.cindy.Session;
import net.sf.cindy.SessionHandlerAdapter;
import net.sf.cindy.example.http.HttpRequest;
import net.sf.cindy.example.http.HttpResponse;
import net.sf.cindy.util.Charset;
/**
* Echo http request.
*
* @author <a href="chenrui@gmail.com">Roger Chen</a>
* @version $id$
*/
public class EchoHandler extends SessionHandlerAdapter {
public void objectReceived(Session session, Object obj) throws Exception {
HttpRequest request = (HttpRequest) obj;
byte[] header = Charset.UTF8.encodeToArray(request.toString());
boolean keepAlive = "keep-alive".equalsIgnoreCase(request
.getParam("Connection"));
HttpResponse response = new HttpResponse();
response.setStatusCode(200);
response.setVersion(request.getVersion());
response.setReasonPhrase("OK");
response.setParam("Server", "Cindy Http Server");
response.setParam("Content-Type", "text/plain");
response.setParam("Content-Length", String.valueOf(header.length));
response.setParam("Connection", keepAlive ? "keep-alive" : "close");
response.setContent(header);
Future future = session.send(response);
if (!keepAlive)
future.addListener(new FutureListener() {
public void futureCompleted(Future future) throws Exception {
future.getSession().close();
}
});
}
public void exceptionCaught(Session session, Throwable cause) {
session.close();
System.err.println(cause);
}
}