Module java.xml

Package javax.xml

Class XMLConstants

java.lang.Object

javax.xml.XMLConstants

public final class XMLConstants
extends Object

Utility class to contain basic XML values as constants.

Since:

1.5

See Also:

• Extensible Markup Language (XML) 1.1
• Extensible Markup Language (XML) 1.0 (Second Edition)
• XML 1.0 Second Edition Specification Errata
• Namespaces in XML 1.1
• Namespaces in XML
• XML Schema Part 1: Structures

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ACCESS_EXTERNAL_DTD	Property: accessExternalDTD
static final String	ACCESS_EXTERNAL_SCHEMA	Property: accessExternalSchema
static final String	ACCESS_EXTERNAL_STYLESHEET	Property: accessExternalStylesheet
static final String	DEFAULT_NS_PREFIX	Prefix to use to represent the default XML Namespace.
static final String	FEATURE_SECURE_PROCESSING	Feature for secure processing.
static final String	NULL_NS_URI	Namespace URI to use to represent that there is no Namespace.
static final String	RELAXNG_NS_URI	RELAX NG Namespace URI.
static final String	USE_CATALOG	Feature: useCatalog
static final String	W3C_XML_SCHEMA_INSTANCE_NS_URI	W3C XML Schema Instance Namespace URI.
static final String	W3C_XML_SCHEMA_NS_URI	W3C XML Schema Namespace URI.
static final String	W3C_XPATH_DATATYPE_NS_URI	W3C XPath Datatype Namespace URI.
static final String	XML_DTD_NS_URI	XML Document Type Declaration Namespace URI as an arbitrary value.
static final String	XML_NS_PREFIX	The official XML Namespace prefix.
static final String	XML_NS_URI	The official XML Namespace name URI.
static final String	XMLNS_ATTRIBUTE	The official XML attribute used for specifying XML Namespace declarations.
static final String	XMLNS_ATTRIBUTE_NS_URI	The official XML attribute used for specifying XML Namespace declarations, XMLConstants.XMLNS_ATTRIBUTE, Namespace name URI.

Method Summary

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

NULL_NS_URI

public static final String NULL_NS_URI

Namespace URI to use to represent that there is no Namespace.

Defined by the Namespace specification to be "".

See Also:

• Namespaces in XML, 5.2 Namespace Defaulting
• Constant Field Values

DEFAULT_NS_PREFIX

public static final String DEFAULT_NS_PREFIX

Prefix to use to represent the default XML Namespace.

Defined by the XML specification to be "".

See Also:

• Namespaces in XML, 3. Qualified Names
• Constant Field Values

XML_NS_URI

public static final String XML_NS_URI

The official XML Namespace name URI.

Defined by the XML specification to be "http://www.w3.org/XML/1998/namespace".

See Also:

• Namespaces in XML, 3. Qualified Names
• Constant Field Values

XML_NS_PREFIX

public static final String XML_NS_PREFIX

The official XML Namespace prefix.

Defined by the XML specification to be "xml".

See Also:

• Namespaces in XML, 3. Qualified Names
• Constant Field Values

XMLNS_ATTRIBUTE_NS_URI

public static final String XMLNS_ATTRIBUTE_NS_URI

The official XML attribute used for specifying XML Namespace declarations, XMLConstants.XMLNS_ATTRIBUTE, Namespace name URI.

Defined by the XML specification to be "http://www.w3.org/2000/xmlns/".

See Also:

• Namespaces in XML, 3. Qualified Names
• Constant Field Values

XMLNS_ATTRIBUTE

public static final String XMLNS_ATTRIBUTE

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 Also:

• Namespaces in XML, 3. Qualified Names
• Constant Field Values

W3C_XML_SCHEMA_NS_URI

public static final String W3C_XML_SCHEMA_NS_URI

W3C XML Schema Namespace URI.

Defined to be "http://www.w3.org/2001/XMLSchema".

See Also:

• XML Schema Part 1: Structures, 2.6 Schema-Related Markup in Documents Being Validated
• Constant Field Values

W3C_XML_SCHEMA_INSTANCE_NS_URI

public static final String W3C_XML_SCHEMA_INSTANCE_NS_URI

W3C XML Schema Instance Namespace URI.

Defined to be "http://www.w3.org/2001/XMLSchema-instance".

See Also:

• XML Schema Part 1: Structures, 2.6 Schema-Related Markup in Documents Being Validated