001 /* XMLConstants.java --
002 Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038 package javax.xml;
039
040 /**
041 * Repository for well-known XML constants.
042 *
043 * @author (a href='mailto:dog@gnu.org'>Chris Burdess</a)
044 * @since 1.5
045 */
046 public final class XMLConstants
047 {
048
049 private XMLConstants()
050 {
051 // to prevent instantiation
052 }
053
054 /**
055 * Dummy namespace URI indicating that there is no namespace.
056 * @see http://www.w3.org/TR/REC-xml-names/#defaulting
057 */
058 public static final String NULL_NS_URI = "";
059
060 /**
061 * Dummy namespace prefix indicating that there is no namespace.
062 * @see http://www.w3.org/TR/REC-xml-names/#ns-qualnames
063 */
064 public static final String DEFAULT_NS_PREFIX = "";
065
066 /**
067 * The XML Namespace URI.
068 * @see http://www.w3.org/TR/REC-xml-names/#ns-qualnames
069 */
070 public static final String XML_NS_URI =
071 "http://www.w3.org/XML/1998/namespace";
072
073 /**
074 * The XML Namespace prefix.
075 * @see http://www.w3.org/TR/REC-xml-names/#ns-qualnames
076 */
077 public static final String XML_NS_PREFIX = "xml";
078
079 /**
080 * The XML Namespace declaration URI.
081 * @see http://www.w3.org/TR/REC-xml-names/#ns-qualnames
082 */
083 public static final String XMLNS_ATTRIBUTE_NS_URI =
084 "http://www.w3.org/2000/xmlns/";
085
086 /**
087 * The XML Namespace declaration attribute.
088 * @see http://www.w3.org/TR/REC-xml-names/#ns-qualnames
089 */
090 public static final String XMLNS_ATTRIBUTE = "xmlns";
091
092 /**
093 * The XML Schema (XSD) namespace URI.
094 * @see http://www.w3.org/TR/xmlschema-1/#Instance_Document_Constructions
095 */
096 public static final String W3C_XML_SCHEMA_NS_URI =
097 "http://www.w3.org/2001/XMLSchema";
098
099 /**
100 * The XML Schema Instance (XSI) namespace URI.
101 * @see http://www.w3.org/TR/xmlschema-1/#Instance_Document_Constructions
102 */
103 public static final String W3C_XML_SCHEMA_INSTANCE_NS_URI =
104 "http://www.w3.org/2001/XMLSchema-instance";
105
106 /**
107 * The XPath 2.0 datatypes namespace URI.
108 * @see http://www.w3.org/TR/xpath-datamodel
109 */
110 public static final String W3C_XPATH_DATATYPE_NS_URI =
111 "http://www.w3.org/2003/11/xpath-datatypes";
112
113 /**
114 * The XML DTD namespace URI.
115 */
116 public static final String XML_DTD_NS_URI = "http://www.w3.org/TR/REC-xml";
117
118 /**
119 * The RELAX NG Namespace URI.
120 * @see http://relaxng.org/spec-20011203.html
121 */
122 public static final String RELAXNG_NS_URI =
123 "http://relaxng.org/ns/structure/1.0";
124
125 /**
126 * DOM feature for secure processing.
127 */
128 public static final String FEATURE_SECURE_PROCESSING =
129 "http://javax.xml.XMLConstants/feature/secure-processing";
130
131 }