javax.xml.XMLConstants Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// $Id: XMLConstants.java 584477 2007-10-14 02:44:03Z mrglavas $
package javax.xml;
/**
* Utility class to contain basic XML values as constants.
*
* @author Jeff Suttor
* @version $Revision: 584477 $, $Date: 2007-10-13 22:44:03 -0400 (Sat, 13 Oct 2007) $
* @see Extensible Markup Language (XML) 1.1
* @see Extensible Markup Language (XML) 1.0 (Second Edition)
* @see XML 1.0 Second Edition Specification Errata
* @see Namespaces in XML 1.1
* @see Namespaces in XML
* @see Namespaces in XML Errata
* @see XML Schema Part 1: Structures
* @since 1.5
**/
public final class XMLConstants {
/**
* Private constructor to prevent instantiation.
*/
private XMLConstants() {
}
/**
* Namespace URI to use to represent that there is no Namespace.
*
* Defined by the Namespace specification to be "".
*
* @see
* Namespaces in XML, 5.2 Namespace Defaulting
*/
public static final String NULL_NS_URI = "";
/**
* Prefix to use to represent the default XML Namespace.
*
* Defined by the XML specification to be "".
*
* @see
* Namespaces in XML, 3. Qualified Names
*/
public static final String DEFAULT_NS_PREFIX = "";
/**
* The official XML Namespace name URI.
*
* Defined by the XML specification to be
* "http://www.w3.org/XML/1998/namespace".
*
* @see
* Namespaces in XML, 3. Qualified Names
*/
public static final String XML_NS_URI =
"http://www.w3.org/XML/1998/namespace";
/**
* The official XML Namespace prefix.
*
* Defined by the XML specification to be "xml".
*
* @see
* Namespaces in XML, 3. Qualified Names<
*/
public static final String XML_NS_PREFIX = "xml";
/**
* The official XML attribute used for specifying XML Namespace
* declarations, {@link #XMLNS_ATTRIBUTE
* XMLConstants.XMLNS_ATTRIBUTE}, Namespace name URI.
*
* Defined by the XML specification to be
* "http://www.w3.org/2000/xmlns/".
*
* @see
* Namespaces in XML, 3. Qualified Names
* @see
* Namespaces in XML Errata
*/
public static final String XMLNS_ATTRIBUTE_NS_URI =
"http://www.w3.org/2000/xmlns/";
/**
* The official XML attribute used for specifying XML Namespace
* declarations.
*
* It is NOT valid to use as a
* prefix. Defined by the XML specification to be
* "xmlns".
*
* @see
* Namespaces in XML, 3. Qualified Names
*/
public static final String XMLNS_ATTRIBUTE = "xmlns";
/**
* W3C XML Schema Namespace URI.
*
* Defined to be "http://www.w3.org/2001/XMLSchema".
*
* @see
* XML Schema Part 1:
* Structures, 2.6 Schema-Related Markup in Documents Being Validated
*/
public static final String W3C_XML_SCHEMA_NS_URI =
"http://www.w3.org/2001/XMLSchema";
/**
*
W3C XML Schema Instance Namespace URI.
*
* Defined to be "http://www.w3.org/2001/XMLSchema-instance".
*
* @see
* XML Schema Part 1:
* Structures, 2.6 Schema-Related Markup in Documents Being Validated
*/
public static final String W3C_XML_SCHEMA_INSTANCE_NS_URI =
"http://www.w3.org/2001/XMLSchema-instance";
/**
* W3C XPath Datatype Namespace URI.
*
* Defined to be "http://www.w3.org/2003/11/xpath-datatypes".
*
* @see XQuery 1.0 and XPath 2.0 Data Model
*/
public static final String W3C_XPATH_DATATYPE_NS_URI = "http://www.w3.org/2003/11/xpath-datatypes";
/**
* XML Document Type Declaration Namespace URI as an arbitrary value.
*
* Since not formally defined by any existing standard, arbitrarily define to be "http://www.w3.org/TR/REC-xml".
*/
public static final String XML_DTD_NS_URI = "http://www.w3.org/TR/REC-xml";
/**
*
RELAX NG Namespace URI.
*
* Defined to be "http://relaxng.org/ns/structure/1.0".
*
* @see RELAX NG Specification
*/
public static final String RELAXNG_NS_URI = "http://relaxng.org/ns/structure/1.0";
/**
* Feature for secure processing.
*
*
* -
*
true instructs the implementation to process XML securely.
* This may set limits on XML constructs to avoid conditions such as denial of service attacks.
*
* -
*
false instructs the implementation to process XML according to the letter of the XML specifications
* ignoring security issues such as limits on XML constructs to avoid conditions such as denial of service attacks.
*
*
*/
public static final String FEATURE_SECURE_PROCESSING = "http://javax.xml.XMLConstants/feature/secure-processing";
}