toolbox.oracle.xpath.ext
Class DigestXPathImpl

java.lang.Object
  toolbox.oracle.xpath.ext.DigestXPathImpl

All Implemented Interfaces:

oracle.fabric.common.xml.xpath.IXPathFunction

public class DigestXPathImpl
extends java.lang.Object
implements oracle.fabric.common.xml.xpath.IXPathFunction

XPath function implementation to perform a one-way hash on the given string and return either a hexadecimal or base64 representation of the hash.

The function accepts 3 arguments:

• message - String containing the message to perform the hash on.
• algorithm - String indicating which digest algorithm to use.
• output - HEX or BASE64.

Constructor Summary

DigestXPathImpl()
Default constructor.

Method Summary

java.lang.Object

call(oracle.fabric.common.xml.xpath.IXPathContext context, java.util.List args) Perform a one-way hash.

Methods inherited from class java.lang.Object

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

Constructor Detail

DigestXPathImpl

public DigestXPathImpl()

Default constructor.

Method Detail

call

public java.lang.Object call(oracle.fabric.common.xml.xpath.IXPathContext context,
                             java.util.List args)
                      throws oracle.fabric.common.xml.xpath.XPathFunctionException

Perform a one-way hash.

Specified by:

call in interface oracle.fabric.common.xml.xpath.IXPathFunction

Parameters:

context - The context at the point in the expression when the function is called.

args - The list of arguments.

Returns:

Object containing the concatenated string.

Throws:

oracle.fabric.common.xml.xpath.XPathFunctionException