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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.IOException;
import java.io.InputStream;
public class XInputStreamImpl implements XInputStream {
private final 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);
} catch (IndexOutOfBoundsException aie) {
throw new com.sun.star.io.BufferSizeExceededException(aie);
}
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 {
do {
nBytesToSkip -= is.skip(nBytesToSkip);
} while (nBytesToSkip > 0);
} catch (IOException e) {
throw new com.sun.star.io.IOException(e);
}
}
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);
}
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);
}
}
}
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