org.exolab.adaptx.xslt

Class RuleProcessor

java.lang.Object

org.exolab.adaptx.util.ErrorObserverAdapter

org.exolab.adaptx.xslt.RuleProcessor

All Implemented Interfaces:

ErrorObserver

public class RuleProcessor
extends ErrorObserverAdapter

This class is the "template" rule processor which processes an XML document using it's XSLStylesheet. It's primary method #process starts with the "document" rule ("/"), specified or default, and runs through the XML Source tree processing all rules until there is nothing left to process.

Version:

$Revision: 4530 $ $Date: 2004-07-29 05:29:07 +0200 (Thu, 29 Jul 2004) $

Author:

Keith Visco

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	XSL_VENDOR The XSL vendor property name
static java.lang.String	XSL_VENDOR_URL The XSL vendor-url property name
static java.lang.String	XSL_VERSION The XSL version property name

Fields inherited from interface org.exolab.adaptx.util.ErrorObserver

FATAL, NORMAL, WARNING

Constructor Summary

Constructors

Constructor and Description
RuleProcessor(XSLTStylesheet xsl) Create a RuleProcessor for the given XSL stylesheet

Method Summary

Modifier and Type	Method and Description
void	addFunctionResolver(FunctionResolver fnResolver) Adds the given FunctionResolver used for resovling extension functions.
void	addMessageObserver(MessageObserver msgObserver) Adds the given MessageObserver to this processors list of MessageObservers
java.lang.String	getParameter(java.lang.String name) Returns the parameter value associated with the given name.
java.lang.String	getProperty(java.lang.String name) Returns the property value that is associated with the given name.
URIResolver	getURIResolver() Returns the URIResolver for resolving all URIs.
void	process(XPathNode source, ResultHandler handler) Processes the given XML Document using this processors stylesheet.
MessageObserver	removeMessageObserver(MessageObserver msgObserver) Removes the given MessageObserver from this processors list of MessageObservers
void	setParameter(java.lang.String name, java.lang.String value) Sets a property which may be accessed from the XSLT stylesheet via a call to the xslp:param extension function
void	setURIResolver(URIResolver resolver) Sets the URIResolver for resolving all URIs.

Methods inherited from class org.exolab.adaptx.util.ErrorObserverAdapter

addErrorObserver, receiveError, receiveError, receiveError, receiveError, receiveError, receiveError, removeAllErrorObservers, removeErrorObserver

Methods inherited from class java.lang.Object

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

Field Detail

XSL_VERSION

public static final java.lang.String XSL_VERSION

The XSL version property name

See Also:

Constant Field Values

XSL_VENDOR

public static final java.lang.String XSL_VENDOR

The XSL vendor property name

See Also:

Constant Field Values

XSL_VENDOR_URL

public static final java.lang.String XSL_VENDOR_URL

The XSL vendor-url property name

See Also:

Constant Field Values

Constructor Detail

RuleProcessor

public RuleProcessor(XSLTStylesheet xsl)

Create a RuleProcessor for the given XSL stylesheet

Parameters:

xsl - the XSLStylesheet to process

domParser - the DOMParser to use when creating the result tree

Method Detail

addFunctionResolver

public void addFunctionResolver(FunctionResolver fnResolver)

Adds the given FunctionResolver used for resovling extension functions.

Parameters:

fnResolver - the FunctionResolver to add

See Also:

org.exolab.adaptx.xpath.FunctionResolver

addMessageObserver

public void addMessageObserver(MessageObserver msgObserver)

Adds the given MessageObserver to this processors list of MessageObservers

Parameters:

msgObserver - the MessageObserver to add to this processors list of MessageObservers

getParameter

public java.lang.String getParameter(java.lang.String name)

Returns the parameter value associated with the given name. A call to #setParameter will associate a parameter

Parameters:

name - the name of the parameter to retrieve the value of

Returns:

the parameter value associated with the given name.

getProperty

public java.lang.String getProperty(java.lang.String name)

Returns the property value that is associated with the given name.

Parameters:

name - the name of the property to retrieve the value of

Returns:

the property value that is associated with the given name.

getURIResolver

public URIResolver getURIResolver()

Returns the URIResolver for resolving all URIs.

Returns:

the URIResolver for resolving all URIs.

process

public void process(XPathNode source,
                    ResultHandler handler)

Processes the given XML Document using this processors stylesheet.

Parameters:

source - the XPathNode to process

handler - the ResultHandler for the result tree

removeMessageObserver

public MessageObserver removeMessageObserver(MessageObserver msgObserver)

Removes the given MessageObserver from this processors list of MessageObservers

Parameters:

msgObserver - the MessageObserver to remove from this processors list of MessageObservers

Returns:

the given MessageObserver if it was removed from the list, otherwise return null

setParameter

public void setParameter(java.lang.String name,
                         java.lang.String value)

Sets a property which may be accessed from the XSLT stylesheet via a call to the xslp:param extension function

Parameters:

name - the name of the parameter

value - the value of the parameter

setURIResolver

public void setURIResolver(URIResolver resolver)

Sets the URIResolver for resolving all URIs. If null, the default URIResolver will be used.

Parameters:

resolver - the URIResolver to use