/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
*/
/**
* Project : MapleFetion2
* Package : net.solosky.net.maplefetion.net
* File : AbstractTransfer.java
* Author : solosky < solosky772@qq.com >
* Created : 2010-1-6
* License : Apache License 2.0
*/
package net.solosky.maplefetion.net;
import java.util.Arrays;
import net.solosky.maplefetion.FetionException;
import net.solosky.maplefetion.chain.AbstractProcessor;
import net.solosky.maplefetion.client.SystemException;
import net.solosky.maplefetion.net.buffer.ByteArrayReader;
import net.solosky.maplefetion.net.buffer.ByteWriter;
/**
*
* 抽象的传输类
*
* @author solosky <solosky772@qq.com>
*/
public abstract class AbstractTransfer extends AbstractProcessor implements Transfer
{
/* (non-Javadoc)
* @see net.solosky.maplefetion.chain.AbstractProcessor#startProcessor()
*/
@Override
public void startProcessor() throws FetionException
{
this.startTransfer();
}
/* (non-Javadoc)
* @see net.solosky.maplefetion.chain.AbstractProcessor#stopProcessor()
*/
@Override
public void stopProcessor() throws FetionException
{
this.stopTransfer();
}
/* (non-Javadoc)
* @see net.solosky.net.maplefetion.chain.Processor#getProcessorName()
*/
@Override
public String getProcessorName()
{
return Transfer.class.getName();
}
/**
* 传输对象已经读取字节后回调方法
* 直接把这个对象交个下一个处理器，一般是parser
* @param reader
*/
protected void bytesRecived(byte[] buff, int offset, int len)
{
try {
this.processIncoming(new ByteArrayReader(buff, len));
} catch (FetionException e) {
this.raiseException(e);
}catch(Throwable t) {
this.raiseException(new SystemException(t, new String(Arrays.copyOfRange(buff, offset, offset+len))));
}
}
/**
* 发送数据包
* @param buff
* @param offset
* @param len
* @throws TransferException
*/
protected abstract void sendBytes(byte[] buff, int offset, int len) throws TransferException;
/**
* 发送消息，直接交给子类发送
*/
@Override
public void processOutcoming(Object o) throws FetionException
{
if(o instanceof ByteWriter) {
ByteWriter writer = (ByteWriter) o;
try {
this.sendBytes(writer.toByteArray(), 0, writer.size());
} catch (TransferException e) {
this.raiseException(e);
}
}
}
/* (non-Javadoc)
* @see net.solosky.maplefetion.net.Transfer#startTransfer()
*/
@Override
public void startTransfer() throws TransferException
{
}
/* (non-Javadoc)
* @see net.solosky.maplefetion.net.Transfer#stopTransfer()
*/
@Override
public void stopTransfer() throws TransferException
{
}
/* (non-Javadoc)
* @see net.solosky.maplefetion.net.Transfer#getTransferName()
*/
@Override
public String getTransferName()
{
return this.toString();
}
}