- Remove confusing exception messages - Do not use default exception messages wherever possible
132 lines
3.9 KiB
Java
Executable File
132 lines
3.9 KiB
Java
Executable File
/*
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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 io.netty.buffer.ByteBuf;
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import io.netty.buffer.ChannelBufType;
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import io.netty.buffer.MessageBuf;
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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, ChannelFuture)}</li>
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* <li>{@link #disconnect(ChannelFuture)}</li>
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* <li>{@link #flush(ChannelFuture)}</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(ChannelBufType.MESSAGE, false);
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/**
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* Creates a new instance.
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*/
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protected AbstractServerChannel(Integer id) {
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super(null, id);
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}
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@Override
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public ByteBuf outboundByteBuffer() {
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throw new NoSuchBufferException(String.format(
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"%s does not have an outbound buffer.", ServerChannel.class.getSimpleName()));
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}
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@Override
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public MessageBuf<Object> outboundMessageBuffer() {
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throw new NoSuchBufferException(String.format(
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"%s does not have an outbound buffer.", ServerChannel.class.getSimpleName()));
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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 void doFlushByteBuffer(ByteBuf buf) throws Exception {
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throw new UnsupportedOperationException();
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}
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@Override
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protected void doFlushMessageBuffer(MessageBuf<Object> buf) throws Exception {
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throw new UnsupportedOperationException();
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}
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@Override
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protected boolean isFlushPending() {
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return false;
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}
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protected abstract class AbstractServerUnsafe extends AbstractUnsafe {
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@Override
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public void flush(final ChannelFuture future) {
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if (eventLoop().inEventLoop()) {
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reject(future);
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} else {
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eventLoop().execute(new Runnable() {
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@Override
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public void run() {
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flush(future);
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}
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});
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}
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}
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@Override
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public void connect(
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final SocketAddress remoteAddress, final SocketAddress localAddress,
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final ChannelFuture future) {
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if (eventLoop().inEventLoop()) {
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reject(future);
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} else {
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eventLoop().execute(new Runnable() {
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@Override
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public void run() {
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connect(remoteAddress, localAddress, future);
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}
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});
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}
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}
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private void reject(ChannelFuture future) {
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Exception cause = new UnsupportedOperationException();
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future.setFailure(cause);
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pipeline().fireExceptionCaught(cause);
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}
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}
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}
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