/*
* 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.simple;
import net.sf.cindy.Future;
import net.sf.cindy.FutureListener;
import net.sf.cindy.Session;
import net.sf.cindy.SessionHandlerAdapter;
import net.sf.cindy.packet.DefaultPacket;
/**
* Chargen, RFC 864.
*
* @author <a href="chenrui@gmail.com">Roger Chen</a>
* @version $id$
*/
public class ChargenHandler extends SessionHandlerAdapter {
// ASCII printing characters
private static byte[] DATA = new byte[94];
static {
for (int i = 0; i < DATA.length; i++) {
DATA[i] = (byte) (33 + i);
}
}
public void sessionStarted(Session session) throws Exception {
send(session);
}
private void send(Session session) {
session.flush(new DefaultPacket(DATA)).addListener(
new FutureListener() {
public void futureCompleted(Future future) throws Exception {
if (future.isSucceeded())
send(future.getSession());
}
});
}
}