/*
* Copyright 2014 Netflix, Inc.
*
* 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 io.reactivex.netty;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.UnpooledByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelProgressivePromise;
import io.netty.channel.ChannelPromise;
import io.netty.channel.DefaultChannelProgressivePromise;
import io.netty.channel.DefaultChannelPromise;
import io.netty.channel.local.LocalChannel;
import io.netty.util.Attribute;
import io.netty.util.AttributeKey;
import io.netty.util.DefaultAttributeMap;
import io.netty.util.concurrent.EventExecutor;
import io.netty.util.concurrent.GlobalEventExecutor;
import java.net.SocketAddress;
/**
* @author Nitesh Kant
*/
public class NoOpChannelHandlerContext implements ChannelHandlerContext {
private final DefaultAttributeMap attributeMap = new DefaultAttributeMap();
private final Channel channel;
private final DefaultChannelPromise completedPromise;
public NoOpChannelHandlerContext() {
this(new LocalChannel());
}
public NoOpChannelHandlerContext(Channel channel) {
this.channel = channel;
completedPromise = new DefaultChannelPromise(this.channel, executor());
completedPromise.setSuccess();
}
@Override
public Channel channel() {
return channel;
}
@Override
public EventExecutor executor() {
return GlobalEventExecutor.INSTANCE;
}
@Override
public String name() {
return "";
}
@Override
public ChannelHandler handler() {
return null;
}
@Override
public boolean isRemoved() {
return false;
}
@Override
public ChannelHandlerContext fireChannelRegistered() {
return this;
}
@Override
@Deprecated
public ChannelHandlerContext fireChannelUnregistered() {
return this;
}
@Override
public ChannelHandlerContext fireChannelActive() {
return this;
}
@Override
public ChannelHandlerContext fireChannelInactive() {
return this;
}
@Override
public ChannelHandlerContext fireExceptionCaught(Throwable cause) {
return this;
}
@Override
public ChannelHandlerContext fireUserEventTriggered(Object event) {
return this;
}
@Override
public ChannelHandlerContext fireChannelRead(Object msg) {
return this;
}
@Override
public ChannelHandlerContext fireChannelReadComplete() {
return this;
}
@Override
public ChannelHandlerContext fireChannelWritabilityChanged() {
return this;
}
@Override
public ChannelHandlerContext flush() {
return this;
}
@Override
public <T> Attribute<T> attr(AttributeKey<T> key) {
return attributeMap.attr(key);
}
@Override
public ChannelFuture bind(SocketAddress localAddress) {
return completedPromise;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress) {
return completedPromise;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress, SocketAddress localAddress) {
return completedPromise;
}
@Override
public ChannelFuture disconnect() {
return completedPromise;
}
@Override
public ChannelFuture close() {
return completedPromise;
}
@Override
@Deprecated
public ChannelFuture deregister() {
return completedPromise;
}
@Override
public ChannelFuture bind(SocketAddress localAddress, ChannelPromise promise) {
return completedPromise;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress, ChannelPromise promise) {
return completedPromise;
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress, SocketAddress localAddress,
ChannelPromise promise) {
return completedPromise;
}
@Override
public ChannelFuture disconnect(ChannelPromise promise) {
return completedPromise;
}
@Override
public ChannelFuture close(ChannelPromise promise) {
return completedPromise;
}
@Override
@Deprecated
public ChannelFuture deregister(ChannelPromise promise) {
return completedPromise;
}
@Override
public ChannelHandlerContext read() {
return this;
}
@Override
public ChannelFuture write(Object msg) {
return completedPromise;
}
@Override
public ChannelFuture write(Object msg, ChannelPromise promise) {
return completedPromise;
}
@Override
public ChannelFuture writeAndFlush(Object msg, ChannelPromise promise) {
return completedPromise;
}
@Override
public ChannelFuture writeAndFlush(Object msg) {
return completedPromise;
}
@Override
public ChannelPipeline pipeline() {
return null;
}
@Override
public ByteBufAllocator alloc() {
return UnpooledByteBufAllocator.DEFAULT;
}
@Override
public ChannelPromise newPromise() {
return new DefaultChannelPromise(channel, executor());
}
@Override
public ChannelProgressivePromise newProgressivePromise() {
return new DefaultChannelProgressivePromise(channel, executor());
}
@Override
public ChannelFuture newSucceededFuture() {
return completedPromise;
}
@Override
public ChannelFuture newFailedFuture(Throwable cause) {
return completedPromise;
}
@Override
public ChannelPromise voidPromise() {
return completedPromise;
}
}