/*
* Copyright 2008-2009 the original author or authors.
*
* Licensed 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 net.hasor.rsf.protocol.rsf;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
import net.hasor.rsf.RsfEnvironment;
import net.hasor.rsf.domain.RequestInfo;
import net.hasor.rsf.domain.ResponseInfo;
import net.hasor.rsf.domain.RsfConstants;
import net.hasor.rsf.protocol.rsf.v1.RequestBlock;
import net.hasor.rsf.protocol.rsf.v1.ResponseBlock;
/**
* RSF 编码器,支持将{@link RequestInfo}、{@link RequestBlock}或者{@link ResponseInfo}、{@link ResponseBlock}编码写入Socket
* @version : 2014年10月10日
* @author 赵永春(zyc@hasor.net)
*/
public class RsfEncoder extends MessageToByteEncoder<Object> {
private RsfEnvironment rsfEnvironment;
public RsfEncoder(RsfEnvironment rsfEnvironment) {
this.rsfEnvironment = rsfEnvironment;
}
protected void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) throws Exception {
try {
if (msg instanceof RequestInfo) {
RequestInfo info = (RequestInfo) msg;
CodecAdapter factory = CodecAdapterFactory.getCodecAdapterByVersion(this.rsfEnvironment, RsfConstants.Version_1);
factory.wirteRequestBlock(factory.buildRequestBlock(info), out);
return;
}
if (msg instanceof ResponseInfo) {
ResponseInfo info = (ResponseInfo) msg;
CodecAdapter factory = CodecAdapterFactory.getCodecAdapterByVersion(this.rsfEnvironment, RsfConstants.Version_1);
factory.wirteResponseBlock(factory.buildResponseBlock(info), out);
return;
}
if (msg instanceof RequestBlock) {
RequestBlock block = (RequestBlock) msg;
CodecAdapter factory = CodecAdapterFactory.getCodecAdapterByVersion(this.rsfEnvironment, RsfConstants.Version_1);
factory.wirteRequestBlock(block, out);
return;
}
if (msg instanceof ResponseBlock) {
ResponseBlock block = (ResponseBlock) msg;
CodecAdapter factory = CodecAdapterFactory.getCodecAdapterByVersion(this.rsfEnvironment, RsfConstants.Version_1);
factory.wirteResponseBlock(block, out);
return;
}
} finally {
ctx.flush();
}
}
}