org.apache.mina.core.service.IoHandlerAdapter Maven / Gradle / Ivy
/**
* Copyright 2007-2015, Kaazing Corporation. All rights reserved.
*
* 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 org.apache.mina.core.service;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.session.IoSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* An abstract adapter class for {@link IoHandler}. You can extend this
* class and selectively override required event handler methods only. All
* methods do nothing by default.
*
* @author Apache MINA Project
*/
public class IoHandlerAdapter implements IoHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(IoHandlerAdapter.class);
public void sessionCreated(IoSession session) throws Exception {
// Empty handler
}
public void sessionOpened(IoSession session) throws Exception {
// Empty handler
}
public void sessionClosed(IoSession session) throws Exception {
// Empty handler
}
public void sessionIdle(IoSession session, IdleStatus status)
throws Exception {
// Empty handler
}
public void exceptionCaught(IoSession session, Throwable cause)
throws Exception {
if (LOGGER.isWarnEnabled()) {
LOGGER.warn("EXCEPTION, please implement "
+ getClass().getName()
+ ".exceptionCaught() for proper handling:", cause);
}
}
public void messageReceived(IoSession session, Object message)
throws Exception {
// Empty handler
}
public void messageSent(IoSession session, Object message) throws Exception {
// Empty handler
}
}