edu.northwestern.at.utils.xml

Class XSLTCache

java.lang.Object

edu.northwestern.at.utils.xml.XSLTCache

public class XSLTCache
extends java.lang.Object

Caches compiled stylesheets.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	XSLTCache.MapEntry Holds a value in the XSLT cache map.

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.util.Map<java.lang.String,XSLTCache.MapEntry>	cache Maps XSLT file names to MapEntry instances.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	XSLTCache() Allowed overrides but not instantiation.

Method Summary

Methods

Modifier and Type	Method and Description
static void	flush(java.lang.String xsltFileName) Flush a specific cached stylesheet from memory.
static void	flushAll() Flush all cached stylesheets from memory, emptying the cache.
static javax.xml.transform.Transformer	newTransformer(java.lang.String xsltFileName) Obtain a new Transformer instance for the specified XSLT file name.

Methods inherited from class java.lang.Object

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

Field Detail

cache

protected static java.util.Map<java.lang.String,XSLTCache.MapEntry> cache

Maps XSLT file names to MapEntry instances.

Constructor Detail

XSLTCache

protected XSLTCache()

Allowed overrides but not instantiation.

Method Detail

flushAll

public static void flushAll()

Flush all cached stylesheets from memory, emptying the cache.

flush

public static void flush(java.lang.String xsltFileName)

Flush a specific cached stylesheet from memory.

Parameters:

xsltFileName - File name of XSLT stylesheet to remove.

newTransformer

public static javax.xml.transform.Transformer newTransformer(java.lang.String xsltFileName)
                                                      throws javax.xml.transform.TransformerConfigurationException

Obtain a new Transformer instance for the specified XSLT file name.

A new entry will be added to the cache if this is the first request for the specified file name.

Parameters:

xsltFileName - the file name of an XSLT stylesheet.

Returns:

A transformation context for the given stylesheet.

Throws:

javax.xml.transform.TransformerConfigurationException