/*

 * Copyright (c) 1996, 1997, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.io;

/**

* A algorithmic conversion from ISO 8859-1 to Unicode

*

* @author Lloyd Honomichl

* @author Asmus Freytag

*/

public class ByteToCharISO8859_1 extends ByteToCharConverter {

    // Return the character set id

    public String getCharacterEncoding()

    {

        return "ISO8859_1";

    }

    public int flush(char[] output, int outStart, int outEnd) {

        // This converter will not buffer any data.

        byteOff = charOff = 0;

        return 0;

    }

    /**

    * Algorithmic character conversion

    */

    public int convert(byte[] input, int inOff, int inEnd,

                       char[] output, int outOff, int outEnd)

        throws ConversionBufferFullException

    {

        int bound = inOff + (outEnd - outOff);

        if (bound >= inEnd) {

             bound = inEnd;

        }

        int bytesWritten = inEnd - inOff;

        // Loop until we hit the end of the input

        try {

            while(inOff < bound) {

                output[outOff++] = (char) (0xff & input[inOff++]);

            }

        } finally {

            charOff = outOff;

            byteOff = inOff;

        }

        // If we don't have room for the output, throw an exception

        if (bound < inEnd)

            throw new ConversionBufferFullException();

        // Return the length written to the output buffer

        return bytesWritten;

    }

    /*

        Reset after finding bad input

    */

    public void reset() {

        byteOff = charOff = 0;

    }

}