org.jboss.netty.channel.DefaultChildChannelStateEvent Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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 org.jboss.netty.channel;
import static org.jboss.netty.channel.Channels.*;
/**
* The default {@link ChildChannelStateEvent} implementation.
*/
public class DefaultChildChannelStateEvent implements ChildChannelStateEvent {
private final Channel parentChannel;
private final Channel childChannel;
/**
* Creates a new instance.
*/
public DefaultChildChannelStateEvent(Channel parentChannel, Channel childChannel) {
if (parentChannel == null) {
throw new NullPointerException("parentChannel");
}
if (childChannel == null) {
throw new NullPointerException("childChannel");
}
this.parentChannel = parentChannel;
this.childChannel = childChannel;
}
public Channel getChannel() {
return parentChannel;
}
public ChannelFuture getFuture() {
return succeededFuture(getChannel());
}
public Channel getChildChannel() {
return childChannel;
}
@Override
public String toString() {
String channelString = getChannel().toString();
StringBuilder buf = new StringBuilder(channelString.length() + 32);
buf.append(channelString);
buf.append(getChildChannel().isOpen()? " CHILD_OPEN: " : " CHILD_CLOSED: ");
buf.append(getChildChannel().getId());
return buf.toString();
}
}