Java tutorial
/* * Copyright 2014 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.buffer.ByteBuf; import io.netty.channel.ChannelHandlerContext; import io.netty.util.internal.UnstableApi; /** * Convenience class that provides no-op implementations for all methods of {@link Http2FrameListener}. */ @UnstableApi public class Http2FrameAdapter implements Http2FrameListener { @Override public int onDataRead(ChannelHandlerContext ctx, int streamId, ByteBuf data, int padding, boolean endOfStream) throws Http2Exception { return data.readableBytes() + padding; } @Override public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding, boolean endStream) throws Http2Exception { } @Override public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int streamDependency, short weight, boolean exclusive, int padding, boolean endStream) throws Http2Exception { } @Override public void onPriorityRead(ChannelHandlerContext ctx, int streamId, int streamDependency, short weight, boolean exclusive) throws Http2Exception { } @Override public void onRstStreamRead(ChannelHandlerContext ctx, int streamId, long errorCode) throws Http2Exception { } @Override public void onSettingsAckRead(ChannelHandlerContext ctx) throws Http2Exception { } @Override public void onSettingsRead(ChannelHandlerContext ctx, Http2Settings settings) throws Http2Exception { } @Override public void onPingRead(ChannelHandlerContext ctx, long data) throws Http2Exception { } @Override public void onPingAckRead(ChannelHandlerContext ctx, long data) throws Http2Exception { } @Override public void onPushPromiseRead(ChannelHandlerContext ctx, int streamId, int promisedStreamId, Http2Headers headers, int padding) throws Http2Exception { } @Override public void onGoAwayRead(ChannelHandlerContext ctx, int lastStreamId, long errorCode, ByteBuf debugData) throws Http2Exception { } @Override public void onWindowUpdateRead(ChannelHandlerContext ctx, int streamId, int windowSizeIncrement) throws Http2Exception { } @Override public void onUnknownFrame(ChannelHandlerContext ctx, byte frameType, int streamId, Http2Flags flags, ByteBuf payload) { } }