XMLConstants (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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javax.xml
Class XMLConstants

java.lang.Object
  javax.xml.XMLConstants

public final class XMLConstants
extends Object
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, Namespaces in XML Errata, XML Schema Part 1: Structures

Field Summary

static String DEFAULT_NS_PREFIX
          Prefix to use to represent the default XML Namespace.

static String FEATURE_SECURE_PROCESSING
          Feature for secure processing.

static String NULL_NS_URI
          Namespace URI to use to represent that there is no Namespace.

static String RELAXNG_NS_URI
          RELAX NG Namespace URI.

static String W3C_XML_SCHEMA_INSTANCE_NS_URI
          W3C XML Schema Instance Namespace URI.

static String W3C_XML_SCHEMA_NS_URI
          W3C XML Schema Namespace URI.

static String W3C_XPATH_DATATYPE_NS_URI
          W3C XPath Datatype Namespace URI.

static String XML_DTD_NS_URI
          XML Document Type Declaration Namespace URI as an arbitrary value.

static String XML_NS_PREFIX
          The official XML Namespace prefix.

static String XML_NS_URI
          The official XML Namespace name URI.

static String XMLNS_ATTRIBUTE
          The official XML attribute used for specifying XML Namespace declarations.

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

Method Summary

Methods inherited from class java.lang.Object

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

Field Summary
`static String`	`DEFAULT_NS_PREFIX` Prefix to use to represent the default XML Namespace.
`static String`	`FEATURE_SECURE_PROCESSING` Feature for secure processing.
`static String`	`NULL_NS_URI` Namespace URI to use to represent that there is no Namespace.
`static String`	`RELAXNG_NS_URI` RELAX NG Namespace URI.
`static String`	`W3C_XML_SCHEMA_INSTANCE_NS_URI` W3C XML Schema Instance Namespace URI.
`static String`	`W3C_XML_SCHEMA_NS_URI` W3C XML Schema Namespace URI.
`static String`	`W3C_XPATH_DATATYPE_NS_URI` W3C XPath Datatype Namespace URI.
`static String`	`XML_DTD_NS_URI` XML Document Type Declaration Namespace URI as an arbitrary value.
`static String`	`XML_NS_PREFIX` The official XML Namespace prefix.
`static String`	`XML_NS_URI` The official XML Namespace name URI.
`static String`	`XMLNS_ATTRIBUTE` The official XML attribute used for specifying XML Namespace declarations.
`static 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
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

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, Namespaces in XML Errata, 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, Constant Field Values

W3C_XPATH_DATATYPE_NS_URI

public static final 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, Constant Field Values

XML_DTD_NS_URI

public static final 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".

See Also:: Constant Field Values

RELAXNG_NS_URI

public static final String RELAXNG_NS_URI

RELAX NG Namespace URI.

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

See Also:: RELAX NG Specification, Constant Field Values

FEATURE_SECURE_PROCESSING

public static final 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.

See Also:: Constant Field Values