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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.script.framework.io;
import com.sun.star.io.XInputStream;
import java.io.InputStream;
import java.io.IOException;
public class XInputStreamImpl implements XInputStream
{
InputStream is;
public XInputStreamImpl( InputStream is )
{
this.is = is;
}
public int readBytes( /*OUT*/byte[][] aData, /*IN*/int nBytesToRead ) throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException
{
aData[ 0 ] = new byte[ nBytesToRead ];
int totalBytesRead = 0;
try
{
int bytesRead = 0;
while ( ( bytesRead = is.read( aData[ 0 ], totalBytesRead, nBytesToRead ) ) > 0 && ( totalBytesRead < nBytesToRead ) )
{
totalBytesRead += bytesRead;
nBytesToRead -= bytesRead;
}
}
catch ( IOException e )
{
throw new com.sun.star.io.IOException( e.toString() );
}
catch ( IndexOutOfBoundsException aie )
{
throw new com.sun.star.io.BufferSizeExceededException( aie.toString() );
}
return totalBytesRead;
}
public int readSomeBytes( /*OUT*/byte[][] aData, /*IN*/int nMaxBytesToRead ) throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException
{
int bytesToRead = nMaxBytesToRead;
int availableBytes = available();
if ( availableBytes < nMaxBytesToRead )
{
bytesToRead = availableBytes;
}
int read = readBytes( aData, bytesToRead );
return read;
}
public void skipBytes( /*IN*/int nBytesToSkip ) throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException
{
long bytesSkipped = 0;
try
{
bytesSkipped = is.skip( (long)nBytesToSkip );
}
catch ( IOException e )
{
throw new com.sun.star.io.IOException( e.toString() );
}
}
public int available( ) throws com.sun.star.io.NotConnectedException, com.sun.star.io.IOException
{
int bytesAvail = 0;
try
{
bytesAvail = is.available();
}
catch ( IOException e )
{
throw new com.sun.star.io.IOException( e.toString() );
}
return bytesAvail;
}
public void closeInput( ) throws com.sun.star.io.NotConnectedException, com.sun.star.io.IOException
{
try
{
is.close();
}
catch( IOException e )
{
throw new com.sun.star.io.IOException( e.toString() );
}
}
}
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