113 lines
3.0 KiB
Java
113 lines
3.0 KiB
Java
/*
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* Copyright 2009 Red Hat, Inc.
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*
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* Red Hat licenses this file to you under the Apache License, version 2.0
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* (the "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package org.jboss.netty.channel;
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import static org.jboss.netty.channel.Channels.*;
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/**
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* The default upstream {@link ChannelStateEvent} implementation.
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*
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* @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
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* @author <a href="http://gleamynode.net/">Trustin Lee</a>
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*
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* @version $Rev$, $Date$
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*
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*/
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public class UpstreamChannelStateEvent implements ChannelStateEvent {
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private final Channel channel;
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private final ChannelState state;
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private final Object value;
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/**
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* Creates a new instance.
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*/
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public UpstreamChannelStateEvent(
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Channel channel, ChannelState state, Object value) {
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if (channel == null) {
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throw new NullPointerException("channel");
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}
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if (state == null) {
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throw new NullPointerException("state");
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}
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this.channel = channel;
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this.state = state;
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this.value = value;
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}
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@Override
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public Channel getChannel() {
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return channel;
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}
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@Override
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public ChannelFuture getFuture() {
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return succeededFuture(getChannel());
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}
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@Override
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public ChannelState getState() {
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return state;
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}
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@Override
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public Object getValue() {
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return value;
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}
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@Override
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public String toString() {
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String channelString = getChannel().toString();
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StringBuilder buf = new StringBuilder(channelString.length() + 64);
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buf.append(channelString);
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switch (getState()) {
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case OPEN:
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if (Boolean.TRUE.equals(getValue())) {
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buf.append(" OPEN");
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} else {
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buf.append(" CLOSED");
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}
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break;
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case BOUND:
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if (getValue() != null) {
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buf.append(" BOUND: ");
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buf.append(getValue());
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} else {
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buf.append(" UNBOUND");
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}
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break;
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case CONNECTED:
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if (getValue() != null) {
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buf.append(" CONNECTED: ");
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buf.append(getValue());
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} else {
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buf.append(" DISCONNECTED");
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}
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break;
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case INTEREST_OPS:
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buf.append(" INTEREST_CHANGED");
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break;
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default:
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buf.append(getState().name());
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buf.append(": ");
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buf.append(getValue());
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}
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return buf.toString();
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}
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}
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