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/*
*
* 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.
*
*/
package org.apache.qpid.server.util;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
public class ByteBufferInputStream extends InputStream
{
private final ByteBuffer _buffer;
public ByteBufferInputStream(ByteBuffer buffer)
{
_buffer = buffer;
}
@Override
public int read() throws IOException
{
return _buffer.get() & 0xFF;
}
@Override
public int read(byte[] b, int off, int len) throws IOException
{
if(_buffer.remaining() < len)
{
len = _buffer.remaining();
}
_buffer.get(b, off, len);
return len;
}
@Override
public void mark(int readlimit)
{
_buffer.mark();
}
@Override
public void reset() throws IOException
{
_buffer.reset();
}
@Override
public boolean markSupported()
{
return true;
}
@Override
public long skip(long n) throws IOException
{
_buffer.position(_buffer.position()+(int)n);
return n;
}
@Override
public int available() throws IOException
{
return _buffer.remaining();
}
}
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