93 lines
2.8 KiB
Java
93 lines
2.8 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the 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 io.netty.channel;
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import static java.util.Objects.requireNonNull;
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import java.net.SocketAddress;
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/**
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* A skeletal server-side {@link Channel} implementation. A server-side
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* {@link Channel} does not allow the following operations:
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* <ul>
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* <li>{@link #connect(SocketAddress, ChannelPromise)}</li>
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* <li>{@link #disconnect(ChannelPromise)}</li>
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* <li>{@link #write(Object, ChannelPromise)}</li>
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* <li>{@link #flush()}</li>
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* <li>and the shortcut methods which calls the methods mentioned above
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* </ul>
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*/
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public abstract class AbstractServerChannel extends AbstractChannel implements ServerChannel {
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private static final ChannelMetadata METADATA = new ChannelMetadata(false, 16);
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private final EventLoopGroup childEventLoopGroup;
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/**
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* Creates a new instance.
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*/
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protected AbstractServerChannel(EventLoop eventLoop, EventLoopGroup childEventLoopGroup) {
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super(null, eventLoop);
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this.childEventLoopGroup = requireNonNull(childEventLoopGroup, "childEventLoopGroup");
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}
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@Override
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public EventLoopGroup childEventLoopGroup() {
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return childEventLoopGroup;
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}
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@Override
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public ChannelMetadata metadata() {
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return METADATA;
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}
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@Override
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public SocketAddress remoteAddress() {
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return null;
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}
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@Override
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protected SocketAddress remoteAddress0() {
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return null;
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}
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@Override
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protected void doDisconnect() throws Exception {
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throw new UnsupportedOperationException();
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}
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@Override
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protected AbstractUnsafe newUnsafe() {
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return new DefaultServerUnsafe();
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}
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@Override
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protected void doWrite(ChannelOutboundBuffer in) throws Exception {
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throw new UnsupportedOperationException();
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}
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@Override
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protected final Object filterOutboundMessage(Object msg) {
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throw new UnsupportedOperationException();
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}
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private final class DefaultServerUnsafe extends AbstractUnsafe {
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@Override
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public void connect(SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) {
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safeSetFailure(promise, new UnsupportedOperationException());
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}
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}
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}
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