|
Java example source code file (MarshallingEncoder.java)
The MarshallingEncoder.java Java example source code/* * 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.handler.codec.marshalling; import io.netty.buffer.ByteBuf; import io.netty.channel.ChannelHandler.Sharable; import io.netty.channel.ChannelHandlerContext; import io.netty.handler.codec.MessageToByteEncoder; import org.jboss.marshalling.Marshaller; /** * {@link MessageToByteEncoder} implementation which uses JBoss Marshalling to marshal * an Object. Be aware that this encoder is not compatible with an other client that just use * JBoss Marshalling as it includes the size of every {@link Object} that gets serialized in * front of the {@link Object} itself. * * Use this with {@link MarshallingDecoder} * * See <a href="http://www.jboss.org/jbossmarshalling">JBoss Marshalling website * for more informations * */ @Sharable public class MarshallingEncoder extends MessageToByteEncoder<Object> { private static final byte[] LENGTH_PLACEHOLDER = new byte[4]; private final MarshallerProvider provider; /** * Creates a new encoder. * * @param provider the {@link MarshallerProvider} to use */ public MarshallingEncoder(MarshallerProvider provider) { this.provider = provider; } @Override protected void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) throws Exception { Marshaller marshaller = provider.getMarshaller(ctx); int lengthPos = out.writerIndex(); out.writeBytes(LENGTH_PLACEHOLDER); ChannelBufferByteOutput output = new ChannelBufferByteOutput(out); marshaller.start(output); marshaller.writeObject(msg); marshaller.finish(); marshaller.close(); out.setInt(lengthPos, out.writerIndex() - lengthPos - 4); } } Other Java examples (source code examples)Here is a short list of links related to this Java MarshallingEncoder.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.