org.apache.mina.core.session.IoEvent 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.session;
import org.apache.mina.core.write.WriteRequest;
/**
* An I/O event or an I/O request that MINA provides.
* Most users won't need to use this class. It is usually used by internal
* components to store I/O events.
*
* @author Apache MINA Project
*/
public class IoEvent implements Runnable {
private final IoEventType type;
private final IoSession session;
private final Object parameter;
public IoEvent(IoEventType type, IoSession session, Object parameter) {
if (type == null) {
throw new NullPointerException("type");
}
if (session == null) {
throw new NullPointerException("session");
}
this.type = type;
this.session = session;
this.parameter = parameter;
}
public IoEventType getType() {
return type;
}
public IoSession getSession() {
return session;
}
public Object getParameter() {
return parameter;
}
public void run() {
fire();
}
public void fire() {
switch (getType()) {
case MESSAGE_RECEIVED:
getSession().getFilterChain().fireMessageReceived(getParameter());
break;
case MESSAGE_SENT:
getSession().getFilterChain().fireMessageSent((WriteRequest) getParameter());
break;
case WRITE:
getSession().getFilterChain().fireFilterWrite((WriteRequest) getParameter());
break;
case CLOSE:
getSession().getFilterChain().fireFilterClose();
break;
case EXCEPTION_CAUGHT:
getSession().getFilterChain().fireExceptionCaught((Throwable) getParameter());
break;
case SESSION_IDLE:
getSession().getFilterChain().fireSessionIdle((IdleStatus) getParameter());
break;
case SESSION_OPENED:
getSession().getFilterChain().fireSessionOpened();
break;
case SESSION_CREATED:
getSession().getFilterChain().fireSessionCreated();
break;
case SESSION_CLOSED:
getSession().getFilterChain().fireSessionClosed();
break;
default:
throw new IllegalArgumentException("Unknown event type: " + getType());
}
}
@Override
public String toString() {
if (getParameter() == null) {
return "[" + getSession() + "] " + getType().name();
}
return "[" + getSession() + "] " + getType().name() + ": "
+ getParameter();
}
}