Java tutorial
/* * Copyright 2012 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.channel.socket; import io.netty.buffer.ByteBuf; import io.netty.buffer.ByteBufHolder; import io.netty.channel.DefaultAddressedEnvelope; import java.net.InetSocketAddress; /** * The message container that is used for {@link DatagramChannel} to communicate with the remote peer. */ public final class DatagramPacket extends DefaultAddressedEnvelope<ByteBuf, InetSocketAddress> implements ByteBufHolder { /** * Create a new instance with the specified packet {@code data} and {@code recipient} address. */ public DatagramPacket(ByteBuf data, InetSocketAddress recipient) { super(data, recipient); } /** * Create a new instance with the specified packet {@code data}, {@code recipient} address, and {@code sender} * address. */ public DatagramPacket(ByteBuf data, InetSocketAddress recipient, InetSocketAddress sender) { super(data, recipient, sender); } @Override public DatagramPacket copy() { return replace(content().copy()); } @Override public DatagramPacket duplicate() { return replace(content().duplicate()); } @Override public DatagramPacket retainedDuplicate() { return replace(content().retainedDuplicate()); } @Override public DatagramPacket replace(ByteBuf content) { return new DatagramPacket(content, recipient(), sender()); } @Override public DatagramPacket retain() { super.retain(); return this; } @Override public DatagramPacket retain(int increment) { super.retain(increment); return this; } @Override public DatagramPacket touch() { super.touch(); return this; } @Override public DatagramPacket touch(Object hint) { super.touch(hint); return this; } }