XSLTransformFactory

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org.infohazard.maverick.transform
Class XSLTransformFactory

java.lang.Object
  org.infohazard.maverick.transform.XSLTransformFactory

All Implemented Interfaces:: org.infohazard.maverick.flow.TransformFactory

public class XSLTransformFactory
extends java.lang.Object
implements org.infohazard.maverick.flow.TransformFactory

Version:

$Revision: 1.12 $ $Date: 2004/06/27 17:41:31 $

Factory for creating transformation pipelines using XSLT.

This factory has certain options which can be defined when declaring the factory. The defaults are shown here:

 <transform-factory type="xslt" provider="org.infohazard.maverick.transform.XSLTransformFactory">
   <default-output-type value="text/html"/>
   <template-caching value="preload"/>
   <uri-resolver value=""/>
 </transform-factory>

default-output-type - Unless an individual transform explicitly specifies an output-type, this will be the http content-type for a successfully completing transformation.
template-caching - Must be one of three values: preload, which compiles and caches all XSLT templates when the web application starts, lazy, which caches compiled XSLT templates but does not load them until they are requested, and disabled, which causes templates to be (re)loaded for every request. The default is preload.
uri-resolver - The classname of a custom URI Resolver to set on all transformations.

The options for an individual transform are like this:

 <transform type="xslt" path="blah.xsl" output-type="text/plain"/>

Field Summary

protected static java.lang.String ATTR_DEFAULT_FINAL_CONTENT_TYPE
          For the factory configuration

protected static java.lang.String ATTR_FINAL_CONTENT_TYPE


protected static java.lang.String ATTR_MONITOR


protected static java.lang.String ATTR_PATH
          For individual transform nodes

protected static java.lang.String ATTR_TEMPLATE_CACHING


protected static java.lang.String ATTR_URI_RESOLVER


protected static java.lang.String DEFAULT_DEFAULT_FINAL_CONTENT_TYPE
          If the init param for default content type is not specified, this becomes the actual default final content type.

protected java.lang.String defaultFinalContentType
          Unless specified in individual transform nodes, this is the content type for a successfully completed transformation.

protected javax.servlet.ServletContext servletCtx
          We need this to be able to look up real pathnames.

protected int templateCachingStyle
          Should templates be preloaded and cached

protected javax.xml.transform.URIResolver uriResolver
          Allow the user to override the URI resolver.

protected static java.lang.String VAL_TEMPLATE_CACHING_DISABLED


protected static java.lang.String VAL_TEMPLATE_CACHING_LAZY


protected static java.lang.String VAL_TEMPLATE_CACHING_PRELOAD


Constructor Summary

XSLTransformFactory()


Method Summary

org.infohazard.maverick.flow.Transform createTransform(org.jdom.Element transformNode)
          Creates a transform from the element (and any children, if appropriate).

void init(org.jdom.Element factoryNode, javax.servlet.ServletConfig servletCfg)
          Factories will be initialized with the XML from the configuration file so that they can check for any options defined in child nodes, attributes, etc.

Methods inherited from class java.lang.Object

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

Field Detail

ATTR_DEFAULT_FINAL_CONTENT_TYPE

protected static final java.lang.String ATTR_DEFAULT_FINAL_CONTENT_TYPE

For the factory configuration

See Also:: Constant Field Values

ATTR_TEMPLATE_CACHING

protected static final java.lang.String ATTR_TEMPLATE_CACHING

See Also:: Constant Field Values

VAL_TEMPLATE_CACHING_LAZY

protected static final java.lang.String VAL_TEMPLATE_CACHING_LAZY

See Also:: Constant Field Values

VAL_TEMPLATE_CACHING_PRELOAD

protected static final java.lang.String VAL_TEMPLATE_CACHING_PRELOAD

See Also:: Constant Field Values

VAL_TEMPLATE_CACHING_DISABLED

protected static final java.lang.String VAL_TEMPLATE_CACHING_DISABLED

See Also:: Constant Field Values

ATTR_URI_RESOLVER

protected static final java.lang.String ATTR_URI_RESOLVER

See Also:: Constant Field Values

ATTR_PATH

protected static final java.lang.String ATTR_PATH

For individual transform nodes

See Also:: Constant Field Values

ATTR_MONITOR

protected static final java.lang.String ATTR_MONITOR

See Also:: Constant Field Values

ATTR_FINAL_CONTENT_TYPE

protected static final java.lang.String ATTR_FINAL_CONTENT_TYPE

See Also:: Constant Field Values

DEFAULT_DEFAULT_FINAL_CONTENT_TYPE

protected static final java.lang.String DEFAULT_DEFAULT_FINAL_CONTENT_TYPE

If the init param for default content type is not specified, this becomes the actual default final content type. The default default :-)

See Also:: Constant Field Values

defaultFinalContentType

protected java.lang.String defaultFinalContentType

Unless specified in individual transform nodes, this is the content type for a successfully completed transformation.

templateCachingStyle

protected int templateCachingStyle

Should templates be preloaded and cached

uriResolver

protected javax.xml.transform.URIResolver uriResolver

Allow the user to override the URI resolver.

servletCtx

protected javax.servlet.ServletContext servletCtx

We need this to be able to look up real pathnames.

Constructor Detail