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: 1.1.1.1 $ $Date: 2003/03/01 07:39:51 $

Author:

Keith Visco

Field Summary

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

Constructor Summary

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

Method Summary

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

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

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