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Class TransformerFactory

java.lang.Object  |  +--javax.xml.transform.TransformerFactory

Direct Known Subclasses:: SAXTransformerFactory

public abstract classTransformerFactory
extends java.lang.Object

A TransformerFactory instance can be used to createTransformer andTemplates objects.

The system property that determines which Factory implementation to create is named"javax.xml.transform.TransformerFactory". This property names a concrete subclass of theTransformerFactory abstract class. If the property is not defined, a platform default is be used.

An implementation of theTransformerFactory class isNOT guaranteed to be thread safe. It is up to the user application to make sure about the use of theTransformerFactory from more than one thread. Alternatively the application can have one instance of theTransformerFactory per thread. An application can use the same instance of the factory to obtain one or more instances of aTransformer orTemplates provided the instance of the factory isn't being used in more than one thread at a time.


	`TransformerFactory()` Default constructor is protected on purpose.


	`getAssociatedStylesheet(Source source, java.lang.String media, java.lang.String title, java.lang.String charset)` Get the stylesheet specification(s) associated via the xml-stylesheet processing instruction (see http://www.w3.org/TR/xml-stylesheet/) with the document document specified in the source parameter, and that match the given criteria.
	`getAttribute(java.lang.String name)` Allows the user to retrieve specific attributes on the underlying implementation.
	`getErrorListener()` Get the error event handler for the TransformerFactory.
	`getFeature(java.lang.String name)` Look up the value of a feature.
	`getURIResolver()` Get the object that is used by default during the transformation to resolve URIs used in document(), xsl:import, or xsl:include.
	`newInstance()` Obtain a new instance of a`TransformerFactory`.
	`newTemplates(Source source)` Process the Source into a Templates object, which is a a compiled representation of the source.
	`newTransformer()` Create a new Transformer object that performs a copy of the source to the result.
	`newTransformer(Source source)` Process the Source into a Transformer object.
	`setAttribute(java.lang.String name, java.lang.Object value)` Allows the user to set specific attributes on the underlying implementation.
	`setErrorListener(ErrorListener listener)` Set the error event listener for the TransformerFactory, which is used for the processing of transformation instructions, and not for the transformation itself.
	`setURIResolver(URIResolver resolver)` Set an object that is used by default during the transformation to resolve URIs used in xsl:import, or xsl:include.

Methods inherited from class java.lang.Object

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

TransformerFactory

protectedTransformerFactory()

Default constructor is protected on purpose.

newInstance

public staticTransformerFactorynewInstance()                                      throwsTransformerFactoryConfigurationError

Obtain a new instance of aTransformerFactory. This static method creates a new factory instance This method uses the following ordered lookup procedure to determine theTransformerFactory implementation class to load:

Use thejavax.xml.transform.TransformerFactory system property.
Use the properties file "lib/jaxp.properties" in the JRE directory. This configuration file is in standardjava.util.Properties format and contains the fully qualified name of the implementation class with the key being the system property defined above.
Use the Services API (as detailed in the JAR specification), if available, to determine the classname. The Services API will look for a classname in the fileMETA-INF/services/javax.xml.transform.TransformerFactory in jars available to the runtime.
Platform defaultTransformerFactory instance.

Once an application has obtained a reference to a TransformerFactory it can use the factory to configure and obtain parser instances.

Returns:: new TransformerFactory instance, never null.
Throws:: TransformerFactoryConfigurationError - if the implmentation is not available or cannot be instantiated.

newTransformer

public abstractTransformernewTransformer(Source source)                                    throwsTransformerConfigurationException

Process the Source into a Transformer object. Care must be given not to use this object in multiple threads running concurrently. Different TransformerFactories can be used concurrently by different threads.

Parameters:: source - An object that holds a URI, input stream, etc.
Returns:: A Transformer object that may be used to perform a transformation in a single thread, never null.
Throws:: TransformerConfigurationException - May throw this during the parse when it is constructing the Templates object and fails.

newTransformer

public abstractTransformernewTransformer()                                    throwsTransformerConfigurationException

Create a new Transformer object that performs a copy of the source to the result.

Parameters:: source - An object that holds a URI, input stream, etc.
Returns:: A Transformer object that may be used to perform a transformation in a single thread, never null.
Throws:: TransformerConfigurationException - May throw this during the parse when it is constructing the Templates object and fails.

newTemplates

public abstractTemplatesnewTemplates(Source source)                                throwsTransformerConfigurationException

Process the Source into a Templates object, which is a a compiled representation of the source. This Templates object may then be used concurrently across multiple threads. Creating a Templates object allows the TransformerFactory to do detailed performance optimization of transformation instructions, without penalizing runtime transformation.

Parameters:: source - An object that holds a URL, input stream, etc.
Returns:: A Templates object capable of being used for transformation purposes, never null.
Throws:: TransformerConfigurationException - May throw this during the parse when it is constructing the Templates object and fails.

getAssociatedStylesheet

public abstractSourcegetAssociatedStylesheet(Source source,                                               java.lang.String media,                                               java.lang.String title,                                               java.lang.String charset)                                        throwsTransformerConfigurationException

Get the stylesheet specification(s) associated via the xml-stylesheet processing instruction (see http://www.w3.org/TR/xml-stylesheet/) with the document document specified in the source parameter, and that match the given criteria. Note that it is possible to return several stylesheets, in which case they are applied as if they were a list of imports or cascades in a single stylesheet.

Parameters:: source - The XML source document.; media - The media attribute to be matched. May be null, in which case the prefered templates will be used (i.e. alternate = no).; title - The value of the title attribute to match. May be null.; charset - The value of the charset attribute to match. May be null.
Returns:: A Source object suitable for passing to the TransformerFactory.
Throws:: TransformerConfigurationException. -

setURIResolver

public abstract voidsetURIResolver(URIResolver resolver)

Set an object that is used by default during the transformation to resolve URIs used in xsl:import, or xsl:include.

Parameters:: resolver - An object that implements the URIResolver interface, or null.

getURIResolver

public abstractURIResolvergetURIResolver()

Get the object that is used by default during the transformation to resolve URIs used in document(), xsl:import, or xsl:include.

Returns:: The URIResolver that was set with setURIResolver.

getFeature

public abstract booleangetFeature(java.lang.String name)

Look up the value of a feature.

The feature name is any absolute URI.

Parameters:: name - The feature name, which is an absolute URI.
Returns:: The current state of the feature (true or false).

setAttribute

public abstract voidsetAttribute(java.lang.String name,                                  java.lang.Object value)                           throws java.lang.IllegalArgumentException

Allows the user to set specific attributes on the underlying implementation. An attribute in this context is defined to be an option that the implementation provides.

Parameters:: name - The name of the attribute.; value - The value of the attribute.
Throws:: java.lang.IllegalArgumentException - thrown if the underlying implementation doesn't recognize the attribute.

getAttribute

public abstract java.lang.ObjectgetAttribute(java.lang.String name)                                       throws java.lang.IllegalArgumentException

Allows the user to retrieve specific attributes on the underlying implementation.

Parameters:: name - The name of the attribute.
Returns:: value The value of the attribute.
Throws:: java.lang.IllegalArgumentException - thrown if the underlying implementation doesn't recognize the attribute.

setErrorListener

public abstract voidsetErrorListener(ErrorListener listener)                               throws java.lang.IllegalArgumentException

Set the error event listener for the TransformerFactory, which is used for the processing of transformation instructions, and not for the transformation itself.

Parameters:: listener - The new error listener.
Throws:: java.lang.IllegalArgumentException - if listener is null.

getErrorListener

public abstractErrorListenergetErrorListener()

Get the error event handler for the TransformerFactory.

Returns:: The current error handler, which should never be null.

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