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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
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
{
private 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;
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
{
try
{
is.skip( 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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