dk.brics.xpath.evaluator
Class EvaluationContext

java.lang.Object
  dk.brics.xpath.evaluator.EvaluationContext

public class EvaluationContext
extends Object

Evalution context used by XPathEvaluator.

Constructor Summary

EvaluationContext()
Constructs a default evalution context.

Method Summary

void	addNamespaces(Map<String,String> map) Adds all namespaces from given map.
Automaton	getCanonicalName(NameTest t, boolean attribute) Gets the canonical name for a name test node by expanding its prefix to the corresponding URI and allowing all possible xsi-attribute suffixes.
String	getDefaultNamespace() Gets the default namespace URI.
String	getNamespace(String prefix) Gets the namespace URI for a prefix.
void	setDefaultNamespace(String uri) Sets the default namespace URI.
void	setNamespace(String prefix, String uri) Sets the namespace URI for a prefix.

Methods inherited from class java.lang.Object

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

Constructor Detail

EvaluationContext

public EvaluationContext()

Constructs a default evalution context. The default namespace URI is the empty string, and the namespace URI map is empty.

Method Detail

addNamespaces

public void addNamespaces(Map<String,String> map)

Adds all namespaces from given map.

Parameters:

map - map from prefix to namespace uri

getCanonicalName

public Automaton getCanonicalName(NameTest t,
                                  boolean attribute)

Gets the canonical name for a name test node by expanding its prefix to the corresponding URI and allowing all possible xsi-attribute suffixes. The default URI will be used if there is no prefix.

Parameters:

t - test node

Returns:

canonical name

getDefaultNamespace

public String getDefaultNamespace()

Gets the default namespace URI.

Returns:

default namespace

getNamespace

public String getNamespace(String prefix)

Gets the namespace URI for a prefix.

Parameters:

prefix - the prefix to lookup

Returns:

namespace URI (null if not found)

setDefaultNamespace

public void setDefaultNamespace(String uri)

Sets the default namespace URI.

Parameters:

uri - default namespace

setNamespace

public void setNamespace(String prefix,
                         String uri)

Sets the namespace URI for a prefix.

Parameters:

prefix - the prefix

uri - the uri