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/**
* @copyright
* ====================================================================
* 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.
* ====================================================================
* @endcopyright
*/
package org.apache.subversion.javahl.util;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.ClosedChannelException;
/* The following channel subclasses are used by the native
implementation of the tunnel management code. */
class RequestChannel
extends TunnelChannel
implements ReadableByteChannel
{
private RequestChannel(long nativeChannel)
{
super(nativeChannel);
}
public int read(ByteBuffer dst) throws IOException
{
long channel = nativeChannel.get();
if (channel != 0)
try {
return nativeRead(channel, dst);
} catch (IOException ex) {
nativeChannel.set(0); // Close the channel
throw ex;
}
throw new ClosedChannelException();
}
private static native int nativeRead(long nativeChannel, ByteBuffer dst)
throws IOException;
}
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