Package org.exolab.adaptx.xslt

Class XSLTFunction

java.lang.Object

org.exolab.adaptx.xpath.XPathFunction

org.exolab.adaptx.xslt.XSLTFunction

Direct Known Subclasses:

CurrentFunctionCall, DocumentFunctionCall, ExtensionFunctionCall, GenerateIDFunctionCall, RTF2NodeSetFunctionCall, SystemFunctionCall

public abstract class XSLTFunction
extends XPathFunction

The base class for XSLT functions.

Version:

$Revision: 3633 $ $Date: 2003-03-01 08:38:44 +0100 (Sat, 01 Mar 2003) $

Author:

Keith Visco

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	INVALID_NUMBER_PARAMS
static java.lang.String	XSLT_NAMESPACE	The current (and ever changing) XSLT namespace

Constructor Summary

Constructors

Constructor	Description
XSLTFunction(java.lang.String name)	Creates a new XSLTFunction with the given name.

Method Summary

Modifier and Type	Method	Description
abstract XPathResult	call(XPathContext context, XPathResult[] args)	Invokes the function and returns the XPath result.
java.lang.String	getFunctionName()	Returns the name of this function.
java.lang.String	getNamespaceURI()	Returns the namespace URI of this function.

Methods inherited from class java.lang.Object

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

Methods inherited from class org.exolab.adaptx.xpath.XPathFunction

call

Field Detail

XSLT_NAMESPACE

public static final java.lang.String XSLT_NAMESPACE

The current (and ever changing) XSLT namespace

See Also:

Constant Field Values

INVALID_NUMBER_PARAMS

public static final java.lang.String INVALID_NUMBER_PARAMS

See Also:

Constant Field Values

Constructor Detail

XSLTFunction

public XSLTFunction(java.lang.String name)

Creates a new XSLTFunction with the given name.

Parameters:

name - the function name.

Method Detail

call

public abstract XPathResult call(XPathContext context,
                                 XPathResult[] args)
                          throws XPathException

Invokes the function and returns the XPath result.

Specified by:

call in class XPathFunction

Parameters:

context - The XPath context

params - A list of zero or more arguments

Returns:

An XPath result (not null)

Throws:

XPathException - An error occured while invoking this function

getNamespaceURI

public java.lang.String getNamespaceURI()

Returns the namespace URI of this function.

Specified by:

getNamespaceURI in class XPathFunction

Returns:

The namespace URI of this function

getFunctionName

public java.lang.String getFunctionName()

Returns the name of this function.

Specified by:

getFunctionName in class XPathFunction

Returns:

The name of this function