defaultalphabetencoding.java

Java写的smpp实现

/*
 * Java SMPP API
 * Copyright (C) 1998 - 2001 by Oran Kelly
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * A copy of the LGPL can be viewed at http://www.gnu.org/copyleft/lesser.html
 * Java SMPP API author: [e-mail]
 * Java SMPP API Homepage: http://smppapi.sourceforge.net/
 */

package ie.omk.smpp.util;

import java.io.ByteArrayOutputStream;

/** This class encodes and decodes Java Strings to and from the SMS default
 * alphabet. It also supports the default extension table. The default alphabet
 * and it's extension table is defined in GSM 03.38.
 */
public class DefaultAlphabetEncoding
    extends ie.omk.smpp.util.AlphabetEncoding
{
    private static final int DCS = 0;

    public static final int EXTENDED_ESCAPE = 0x1b;

    /** Page break (extended table). */
    public static final int PAGE_BREAK = 0x0a;


    // XXX Didn't have a Unicode font with greek chars available to see the
    // greek characters in the default alphabet...some of them may be wrong!
    private static final char[] charTable = {
	'@', '