/*
 * $Id: RtfCodePage.java 2996 2007-11-20 22:40:36Z hallm $
 * $Name$
 *
 * Copyright 2003, 2004 by Mark Hall
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.rtf.document;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.RtfExtendedElement;

/**
 * The RtfCodePage class allows different code pages to be used in the rtf document.
 * Currently always ansi / ansicpg1252
 *
 * @version $Id: RtfCodePage.java 2996 2007-11-20 22:40:36Z hallm $
 * @author Mark Hall (mhall@edu.uni-klu.ac.at)
 * @author Thomas Bickel (tmb99@inode.at)
 */
public class RtfCodePage extends RtfElement implements RtfExtendedElement {
    /**
     * Constant for ansi encoded rtf documents
     */
    private static final byte[] ANSI = "\\ansi".getBytes();
    /**
     * Constant for the ansi codepage
     */
    private static final byte[] ANSI_CODEPAGE = "\\ansicpg".getBytes();

    /**
     * Construct an RtfCodePage
     * 
     * @param doc The RtfDocument this RtfCodePage belongs to
     */
    public RtfCodePage(RtfDocument doc) {
        super(doc);
    }

    /**
     * unused
     * @deprecated As of iText 2.0.6 or earlier, replaced by
     * {@link #writeContent(OutputStream)}, scheduled for removal at or after 2.1.0
     */
    public byte[] write()
    {
    	return(new byte[0]);
    }
    /**
     * unused
     */
    public void writeContent(final OutputStream out) throws IOException
    {    	
    }
    
    /**
     * Writes the selected codepage to a byte array
     *
     * @return Byte array with the current codepage
     * @deprecated As of iText 2.0.6 or earlier, replaced by
     * {@link #writeDefinition(OutputStream)}, scheduled for removal at or after 2.1.0
     */
    public byte[] writeDefinition() {
        ByteArrayOutputStream result = new ByteArrayOutputStream();
        try {
        	writeDefinition(result);
        } catch(IOException ioe) {
            ioe.printStackTrace();
        }
        return result.toByteArray();
    }

    /**
     * Writes the selected codepage
     */
    public void writeDefinition(final OutputStream result) throws IOException
    {
        result.write(ANSI);
        result.write(ANSI_CODEPAGE);
        result.write(intToByteArray(1252));
        result.write((byte)'\n');    	
    }

}