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org.jdom
Class Namespace  

java.lang.Object
  org.jdom.Namespace

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public final class Namespace

extends java.lang.Object

An XML namespace representation, as well as a factory for creating XML namespace objects. Namespaces are not Serializable, however objects that use namespaces have special logic to handle serialization manually. These classes call the getNamespace() method on deserialization to ensure there is one unique Namespace object for any unique prefix/uri pair.

Version:

$Revision: 1.41 $, $Date: 2004/02/27 11:32:57 $

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Field Summary
private static java.lang.String	CVS_ID
private static java.util.HashMap	namespaces           Factory list of namespaces.
static Namespace	NO_NAMESPACE           Define a Namespace for when not in a namespace
private  java.lang.String	prefix           The prefix mapped to this namespace
private  java.lang.String	uri           The URI for this namespace
static Namespace	XML_NAMESPACE           Define a Namespace for the standard xml prefix.

 

Constructor Summary
private	Namespace(java.lang.String prefix, java.lang.String uri)           This constructor handles creation of a Namespace object with a prefix and URI; it is intentionally left private so that it cannot be invoked by external programs/code.

 

Method Summary
boolean	equals(java.lang.Object ob)           This tests for equality - Two Namespaces are equal if and only if their URIs are byte-for-byte equals.
static Namespace	getNamespace(java.lang.String uri)           This will retrieve (if in existence) or create (if not) a Namespace for the supplied URI, and make it usable as a default namespace, as no prefix is supplied.
static Namespace	getNamespace(java.lang.String prefix, java.lang.String uri)           This will retrieve (if in existence) or create (if not) a Namespace for the supplied prefix and URI.
java.lang.String	getPrefix()           This returns the prefix mapped to this Namespace.
java.lang.String	getURI()           This returns the namespace URI for this Namespace.
int	hashCode()           This returns a probably unique hash code for the Namespace.
java.lang.String	toString()           This returns a String representation of this Namespace, suitable for use in debugging.

 

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Field Detail

CVS_ID

private static final java.lang.String CVS_ID

See Also:

Constant Field Values

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namespaces

private static java.util.HashMap namespaces

Factory list of namespaces. Keys are prefix&URI. Values are Namespace objects

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NO_NAMESPACE

public static final Namespace NO_NAMESPACE

Define a Namespace for when not in a namespace

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XML_NAMESPACE

public static final Namespace XML_NAMESPACE

Define a Namespace for the standard xml prefix.

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prefix

private java.lang.String prefix

The prefix mapped to this namespace

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uri

private java.lang.String uri

The URI for this namespace

Constructor Detail

Namespace

private Namespace(java.lang.String prefix,
                  java.lang.String uri)

This constructor handles creation of a Namespace object with a prefix and URI; it is intentionally left private so that it cannot be invoked by external programs/code.

Method Detail

getNamespace

public static Namespace getNamespace(java.lang.String prefix,
                                     java.lang.String uri)

This will retrieve (if in existence) or create (if not) a Namespace for the supplied prefix and URI.

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getNamespace

public static Namespace getNamespace(java.lang.String uri)

This will retrieve (if in existence) or create (if not) a Namespace for the supplied URI, and make it usable as a default namespace, as no prefix is supplied.

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getPrefix

public java.lang.String getPrefix()

This returns the prefix mapped to this Namespace.

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getURI

public java.lang.String getURI()

This returns the namespace URI for this Namespace.

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equals

public boolean equals(java.lang.Object ob)

This tests for equality - Two Namespaces are equal if and only if their URIs are byte-for-byte equals.

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toString

public java.lang.String toString()

This returns a String representation of this Namespace, suitable for use in debugging.

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hashCode

public int hashCode()

This returns a probably unique hash code for the Namespace. If two namespaces have the same URI, they are equal and have the same hash code, even if they have different prefixes.

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