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ConnectionLossDecorator.java
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ConnectionLossDecorator.java
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/*
* Created on Apr 5, 2008
*
* Copyright (c), 2008 Don Branson. All Rights Reserved.
*
* 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 com.moneybender.proxy.channels.decorators;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import org.apache.log4j.Logger;
import com.moneybender.proxy.channels.IReadBytes;
public class ConnectionLossDecorator implements IReadBytes {
protected Logger log = Logger.getLogger(this.getClass());
private final IReadBytes decoratedReader;
private static boolean networkGone;
static {
networkGone = false;
}
public ConnectionLossDecorator(IReadBytes decoratedReader) {
this.decoratedReader = decoratedReader;
}
public int readBytesFromChannel(ByteBuffer buffer, ReadableByteChannel channel) throws IOException {
if(networkGone) {
channel.close();
}
return decoratedReader.readBytesFromChannel(buffer, channel);
}
public static void networkOff() {
networkGone = true;
}
public static void networkOn() {
networkGone = false;
}
public boolean willLeaveBytesUnread() {
return decoratedReader.willLeaveBytesUnread();
}
}