javax.xml
Class XMLConstants

java.lang.Object
  |
  +--javax.xml.XMLConstants

public final class XMLConstants

extends java.lang.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, Namespaces in XML Errata, XML Schema Part 1: Structures

Field Summary

static java.lang.String	DEFAULT_NS_PREFIX Prefix to use to represent the default XML Namespace.
static java.lang.String	FEATURE_SECURE_PROCESSING Feature for secure processing.
static java.lang.String	NULL_NS_URI Namespace URI to use to represent that there is no Namespace.
static java.lang.String	RELAXNG_NS_URI RELAX NG Namespace URI.
static java.lang.String	W3C_XML_SCHEMA_INSTANCE_NS_URI W3C XML Schema Instance Namespace URI.
static java.lang.String	W3C_XML_SCHEMA_NS_URI W3C XML Schema Namespace URI.
static java.lang.String	W3C_XPATH_DATATYPE_NS_URI W3C XPath Datatype Namespace URI.
static java.lang.String	XML_DTD_NS_URI XML Document Type Declaration Namespace URI as an arbitrary value.
static java.lang.String	XML_NS_PREFIX The official XML Namespace prefix.
static java.lang.String	XML_NS_URI The official XML Namespace name URI.
static java.lang.String	XMLNS_ATTRIBUTE The official XML attribute used for specifying XML Namespace declarations.
static java.lang.String	XMLNS_ATTRIBUTE_NS_URI The official XML attribute used for specifying XML Namespace declarations, XMLConstants.XMLNS_ATTRIBUTE, Namespace name URI.

Methods inherited from class java.lang.Object

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

Field Detail

NULL_NS_URI

public static final java.lang.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

DEFAULT_NS_PREFIX

public static final java.lang.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

XML_NS_URI

public static final java.lang.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

XML_NS_PREFIX

public static final java.lang.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<

XMLNS_ATTRIBUTE_NS_URI

public static final java.lang.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, Namespaces in XML Errata

XMLNS_ATTRIBUTE

public static final java.lang.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

W3C_XML_SCHEMA_NS_URI

public static final java.lang.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

W3C_XML_SCHEMA_INSTANCE_NS_URI

public static final java.lang.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

W3C_XPATH_DATATYPE_NS_URI

public static final java.lang.String W3C_XPATH_DATATYPE_NS_URI

W3C XPath Datatype Namespace URI.

Defined to be "http://www.w3.org/2003/11/xpath-datatypes".

See Also:

XQuery 1.0 and XPath 2.0 Data Model

XML_DTD_NS_URI

public static final java.lang.String XML_DTD_NS_URI

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".

RELAXNG_NS_URI

public static final java.lang.String RELAXNG_NS_URI

RELAX NG Namespace URI.

Defined to be "http://relaxng.org/ns/structure/1.0".

See Also:

RELAX NG Specification

FEATURE_SECURE_PROCESSING

public static final java.lang.String FEATURE_SECURE_PROCESSING

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 acording the letter of the XML specifications ingoring security issues such as limits on XML constructs to avoid conditions such as denial of service attacks.