/** * JWAP - A Java Implementation of the WAP Protocols * Copyright (C) 2001-2004 Niko Bender * * 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 */package net.sourceforge.jwap.util.wbxml;import java.util.Hashtable;import java.util.Iterator;import java.util.Map;/** * <p>This class represents the normative list of public identifiers issued, and maintained, by the WAP Forum. * Public Identifiers values represent well-known document type public identifiers.  * The first 128 values are reserved for use in future WAP specifications.  * All values are in hexadecimal.</p> *  * @author <a href="mailto:suvarna@witscale.com">Suvarna Kadam</a> */public class PublicIdentifiers {	private Hashtable publicIdentifiers;	private Hashtable systemIdentifiers;	private static PublicIdentifiers instance;	private PublicIdentifiers() {		initialize();	}	public static PublicIdentifiers getInstance() {		if (instance == null)			instance = new PublicIdentifiers();		return instance;	}	/**	 * The public identifier table is initialized to the  well-known public identifiers issued by the WAP Forum.	 * These are valid at the time the WBXML V1.3 specification was released.	 *	 */	private void initialize() {		publicIdentifiers = new Hashtable();		publicIdentifiers.put("0", "STRING_TABLE");		publicIdentifiers.put("1", "UNKNOWN");		publicIdentifiers.put("2", "-//WAPFORUM//DTD WML 1.0//EN");		// (WML 1.0)		publicIdentifiers.put("3", "-//WAPFORUM//DTD WTA 1.0//EN");		// (WTA Event 1.0)		 deprecated		publicIdentifiers.put("4", "-//WAPFORUM//DTD WML 1.1//EN");		//(WML 1.1)";				publicIdentifiers.put("5", "-//WAPFORUM//DTD SI 1.0//EN");		// (Service Indication 1.0)		publicIdentifiers.put("6", "-//WAPFORUM//DTD SL 1.0//EN");		// (Service Loading 1.0)				publicIdentifiers.put("7", "-//WAPFORUM//DTD CO 1.0//EN");		// (Cache Operation 1.0)		publicIdentifiers.put("8", "-//WAPFORUM//DTD CHANNEL 1.1//EN");		//(Channel 1.1)		publicIdentifiers.put("9", "-//WAPFORUM//DTD WML 1.2//EN");		// (WML 1.2)			publicIdentifiers.put("A", "-//WAPFORUM//DTD WML 1.3//EN"); //(WML 1.3)		publicIdentifiers.put("B", "-//WAPFORUM//DTD PROV 1.0//EN");		// (Provisioning 1.0)		publicIdentifiers.put("C", "-//WAPFORUM//DTD WTA-WML 1.2//EN");		// (WTA-WML 1.2)		publicIdentifiers.put("D", "-//WAPFORUM//DTD CHANNEL 1.2//EN");		// (Channel 1.2)		publicIdentifiers.put("E", "-//OMA//DTD DRMREL 1.0//EN");		// (DRM REL 1.0)				publicIdentifiers.put("1100", "-//PHONE.COM//DTD ALERT 1.0//EN");		// Registered Values					publicIdentifiers.put("FD1", "-//SYNCML//DTD SyncML 1.0//EN");		publicIdentifiers.put("FD2", "-//SYNCML//DTD DevInf 1.0//EN");		publicIdentifiers.put("FD3", "-//SYNCML//DTD SyncML 1.1//EN");		publicIdentifiers.put("FD4", "-//SYNCML//DTD DevInf 1.1//EN");		// no id for metinf		systemIdentifiers = new Hashtable();		systemIdentifiers.put("STRING_TABLE", "");		systemIdentifiers.put("UNKNOWN", "");		systemIdentifiers.put("-//WAPFORUM//DTD WML 1.0//EN", ""); // (WML 1.0)		systemIdentifiers.put("-//WAPFORUM//DTD WTA 1.0//EN", "");		// (WTA Event 1.0)		 deprecated		systemIdentifiers.put(			"-//WAPFORUM//DTD WML 1.1//EN",			"http://www.wapforum.org/DTD/wml_1_1.dtd");		//(WML 1.1)";				systemIdentifiers.put(			"-//WAPFORUM//DTD SI 1.0//EN",			"http://www.wapforum.org/DTD/si.dtd");		// (Service Indication 1.0)		systemIdentifiers.put(			"-//WAPFORUM//DTD SL 1.0//EN",			"http://www.wapforum.org/DTD/sl.dtd");		// (Service Loading 1.0)				systemIdentifiers.put("-//WAPFORUM//DTD CO 1.0//EN", "");		// (Cache Operation 1.0)		systemIdentifiers.put("-//WAPFORUM//DTD CHANNEL 1.1//EN", "");		//(Channel 1.1)		systemIdentifiers.put(			"-//WAPFORUM//DTD WML 1.2//EN",			"http://www.wapforum.org/DTD/wml12.dtd");		// (WML 1.2)			systemIdentifiers.put(			"-//WAPFORUM//DTD WML 1.3//EN",			"http://www.wapforum.org/DTD/wml13.dtd");		//(WML 1.3)		systemIdentifiers.put(			"-//WAPFORUM//DTD PROV 1.0//EN",			"http://www.wapforum.org/DTD/prov.dtd");		// (Provisioning 1.0)		systemIdentifiers.put(			"-//WAPFORUM//DTD WTA-WML 1.2//EN",			"http://www.wapforum.org/DTD/wta-wml12.dtd");		// (WTA-WML 1.2)		systemIdentifiers.put(			"-//WAPFORUM//DTD CHANNEL 1.2//EN",			"http://www.wapforum.org/DTD/channel12.dtd");		// (Channel 1.2)		systemIdentifiers.put("-//OMA//DTD DRMREL 1.0//EN", "");		// (DRM REL 1.0)				systemIdentifiers.put("-//PHONE.COM//DTD ALERT 1.0//EN", "");		// Registered Values				}	public String getPublicIdentifier(int publicIdentifier) {		String key = Integer.toHexString(publicIdentifier).toUpperCase();		String value = (String) publicIdentifiers.get(key);		value = (value == null) ? (String) publicIdentifiers.get("1") : value;		return value;	}	public String getSystemIdentifier(String publicIdentifier) {		return (String) systemIdentifiers.get(publicIdentifier);	}	public int getPublicIdentifierValue(String publicId) {		Iterator iter = publicIdentifiers.entrySet().iterator();		String hexValue = getKeyFromValue(iter, publicId);		byte tokenValue = Integer.valueOf(hexValue, 16).byteValue();		return tokenValue;	}	public String getPublicIdentifierValueHex(String publicId) {		Iterator iter = publicIdentifiers.entrySet().iterator();		String hexValue = getKeyFromValue(iter, publicId);		return hexValue;	}	private String getKeyFromValue(Iterator iterator, String publicId) {		while (iterator.hasNext()) {			Map.Entry entry = (Map.Entry) iterator.next();			if (entry.getValue().toString().equalsIgnoreCase(publicId))				return entry.getKey().toString();		}		return "1";	}	public int getDefaultPublicIdentifier() {		return 1;	}}