Java tutorial
/* * Copyright 2015 The Netty Project * * The Netty Project 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.handler.codec.http2; import io.netty.util.internal.UnstableApi; import static io.netty.util.internal.ObjectUtil.checkNotNull; /** * A decorator around another {@link Http2ConnectionEncoder} instance. */ @UnstableApi public class DecoratingHttp2ConnectionEncoder extends DecoratingHttp2FrameWriter implements Http2ConnectionEncoder, Http2SettingsReceivedConsumer { private final Http2ConnectionEncoder delegate; public DecoratingHttp2ConnectionEncoder(Http2ConnectionEncoder delegate) { super(delegate); this.delegate = checkNotNull(delegate, "delegate"); } @Override public void lifecycleManager(Http2LifecycleManager lifecycleManager) { delegate.lifecycleManager(lifecycleManager); } @Override public Http2Connection connection() { return delegate.connection(); } @Override public Http2RemoteFlowController flowController() { return delegate.flowController(); } @Override public Http2FrameWriter frameWriter() { return delegate.frameWriter(); } @Override public Http2Settings pollSentSettings() { return delegate.pollSentSettings(); } @Override public void remoteSettings(Http2Settings settings) throws Http2Exception { delegate.remoteSettings(settings); } @Override public void consumeReceivedSettings(Http2Settings settings) { if (delegate instanceof Http2SettingsReceivedConsumer) { ((Http2SettingsReceivedConsumer) delegate).consumeReceivedSettings(settings); } else { throw new IllegalStateException( "delegate " + delegate + " is not an instance of " + Http2SettingsReceivedConsumer.class); } } }