javax.xml.xpath

Class XPathFactory

public abstract class XPathFactory extends Object

Factory for creating XPath environments.

Since: 1.3

Field Summary
static String	DEFAULT_OBJECT_MODEL_URI The default object model URI.
static String	DEFAULT_PROPERTY_NAME The default property name according to the JAXP specification.

Constructor Summary
protected	XPathFactory()

Method Summary
abstract boolean	getFeature(String name) Returns the state of the named feature.
abstract boolean	isObjectModelSupported(String objectModel) Indicates whether the specified object model URI is supported by this factory.
static XPathFactory	newInstance() Returns a new factory for the default (DOM) object model.
static XPathFactory	newInstance(String uri) Returns a new factory for the given object model URI.
abstract XPath	newXPath() Returns a new XPath evaluation environment.
abstract void	setFeature(String name, boolean value) Sets the state of the named feature.
abstract void	setXPathFunctionResolver(XPathFunctionResolver resolver) Sets the XPath extension function resolver calback.
abstract void	setXPathVariableResolver(XPathVariableResolver resolver) Sets the XPath variable resolver calback.

Field Detail

DEFAULT_OBJECT_MODEL_URI

public static final String DEFAULT_OBJECT_MODEL_URI

The default object model URI.

DEFAULT_PROPERTY_NAME

public static final String DEFAULT_PROPERTY_NAME

The default property name according to the JAXP specification.

Constructor Detail

XPathFactory

protected XPathFactory()

Method Detail

getFeature

public abstract boolean getFeature(String name)

Returns the state of the named feature.

isObjectModelSupported

public abstract boolean isObjectModelSupported(String objectModel)

Indicates whether the specified object model URI is supported by this factory.

newInstance

public static final XPathFactory newInstance()

Returns a new factory for the default (DOM) object model.

newInstance

public static final XPathFactory newInstance(String uri)

Returns a new factory for the given object model URI. The implementation class to load is the first found in the following locations that advertises support for the given model URI:

the javax.xml.xpath.XPathFactory system property
the above named property value in the $JAVA_HOME/lib/jaxp.properties file
the class name specified in the META-INF/services/javax.xml.xpath.XPathFactory system resource
the default factory class

Parameters: uri the object model URI

newXPath

public abstract XPath newXPath()

Returns a new XPath evaluation environment.

setFeature

public abstract void setFeature(String name, boolean value)

Sets the state of the named feature.

setXPathFunctionResolver

public abstract void setXPathFunctionResolver(XPathFunctionResolver resolver)

Sets the XPath extension function resolver calback.

setXPathVariableResolver

public abstract void setXPathVariableResolver(XPathVariableResolver resolver)

Sets the XPath variable resolver calback.