netty5/src/main/java/io/netty/channel/DownstreamMessageEvent.java
2011-12-09 12:46:59 +09:00

93 lines
2.6 KiB
Java

/*
* Copyright 2009 Red Hat, Inc.
*
* Red Hat 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 io.netty.channel;
import java.net.SocketAddress;
import io.netty.util.internal.StringUtil;
/**
* The default downstream {@link MessageEvent} implementation.
*
* @author <a href="http://netty.io/">The Netty Project</a>
* @author <a href="http://gleamynode.net/">Trustin Lee</a>
*/
public class DownstreamMessageEvent implements MessageEvent {
private final Channel channel;
private final ChannelFuture future;
private final Object message;
private final SocketAddress remoteAddress;
/**
* Creates a new instance.
*/
public DownstreamMessageEvent(
Channel channel, ChannelFuture future,
Object message, SocketAddress remoteAddress) {
if (channel == null) {
throw new NullPointerException("channel");
}
if (future == null) {
throw new NullPointerException("future");
}
if (message == null) {
throw new NullPointerException("message");
}
this.channel = channel;
this.future = future;
this.message = message;
if (remoteAddress != null) {
this.remoteAddress = remoteAddress;
} else {
this.remoteAddress = channel.getRemoteAddress();
}
}
@Override
public Channel getChannel() {
return channel;
}
@Override
public ChannelFuture getFuture() {
return future;
}
@Override
public Object getMessage() {
return message;
}
@Override
public SocketAddress getRemoteAddress() {
return remoteAddress;
}
@Override
public String toString() {
if (getRemoteAddress() == getChannel().getRemoteAddress()) {
return getChannel().toString() + " WRITE: " +
StringUtil.stripControlCharacters(getMessage());
} else {
return getChannel().toString() + " WRITE: " +
StringUtil.stripControlCharacters(getMessage()) + " to " +
getRemoteAddress();
}
}
}