001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 2002 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Xerces" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation and was
052: * originally based on software copyright (c) 1999, International
053: * Business Machines, Inc., http://www.apache.org. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057:
058: package com.sun.xml.stream.xerces.util;
059:
060: /**
061: * All internalized xml symbols. They can be compared using "==".
062: *
063: * @author Sandy Gao, IBM
064: * @version $Id: XMLSymbols.java,v 1.2 2006/04/01 06:01:41 jeffsuttor Exp $
065: */
066: public class XMLSymbols {
067:
068: // public constructor.
069: public XMLSymbols() {
070: }
071:
072: //==========================
073: // Commonly used strings
074: //==========================
075:
076: /**
077: * The empty string.
078: */
079: public final static String EMPTY_STRING = "".intern();
080:
081: //==========================
082: // Namespace prefixes/uris
083: //==========================
084:
085: /**
086: * The internalized "xml" prefix.
087: */
088: public final static String PREFIX_XML = "xml".intern();
089:
090: /**
091: * The internalized "xmlns" prefix.
092: */
093: public final static String PREFIX_XMLNS = "xmlns".intern();
094:
095: //==========================
096: // DTD symbols
097: //==========================
098:
099: /** Symbol: "ANY". */
100: public static final String fANYSymbol = "ANY".intern();
101:
102: /** Symbol: "CDATA". */
103: public static final String fCDATASymbol = "CDATA".intern();
104:
105: /** Symbol: "ID". */
106: public static final String fIDSymbol = "ID".intern();
107:
108: /** Symbol: "IDREF". */
109: public static final String fIDREFSymbol = "IDREF".intern();
110:
111: /** Symbol: "IDREFS". */
112: public static final String fIDREFSSymbol = "IDREFS".intern();
113:
114: /** Symbol: "ENTITY". */
115: public static final String fENTITYSymbol = "ENTITY".intern();
116:
117: /** Symbol: "ENTITIES". */
118: public static final String fENTITIESSymbol = "ENTITIES".intern();
119:
120: /** Symbol: "NMTOKEN". */
121: public static final String fNMTOKENSymbol = "NMTOKEN".intern();
122:
123: /** Symbol: "NMTOKENS". */
124: public static final String fNMTOKENSSymbol = "NMTOKENS".intern();
125:
126: /** Symbol: "NOTATION". */
127: public static final String fNOTATIONSymbol = "NOTATION".intern();
128:
129: /** Symbol: "ENUMERATION". */
130: public static final String fENUMERATIONSymbol = "ENUMERATION"
131: .intern();
132:
133: /** Symbol: "#IMPLIED. */
134: public static final String fIMPLIEDSymbol = "#IMPLIED".intern();
135:
136: /** Symbol: "#REQUIRED". */
137: public static final String fREQUIREDSymbol = "#REQUIRED".intern();
138:
139: /** Symbol: "#FIXED". */
140: public static final String fFIXEDSymbol = "#FIXED".intern();
141:
142: }
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