org.wso2.balana.attr.proxy.xacml3

Class XPathAttributeProxy

java.lang.Object

org.wso2.balana.attr.proxy.xacml3.XPathAttributeProxy

All Implemented Interfaces:

AttributeProxy

public class XPathAttributeProxy
extends Object
implements AttributeProxy

proxy class that is provided mainly for the run-time configuration code to use.

Constructor Summary

Constructors

Constructor and Description
XPathAttributeProxy()

Method Summary

Modifier and Type	Method and Description
AttributeValue	getInstance(Node root) Tries to create a new AttributeValue based on the given DOM root node.
AttributeValue	getInstance(String value, String[] params) Tries to create a new AttributeValue based on the given String data.

Methods inherited from class java.lang.Object

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

Constructor Detail

XPathAttributeProxy

public XPathAttributeProxy()

Method Detail

getInstance

public AttributeValue getInstance(Node root)
                           throws Exception

Description copied from interface: AttributeProxy

Tries to create a new AttributeValue based on the given DOM root node.

Specified by:

getInstance in interface AttributeProxy

Parameters:

root - the DOM root of some attribute data

Returns:

an AttributeValue representing the given data

Throws:

Exception - if the data couldn't be used (the exception is typically wrapping some other exception)

getInstance

public AttributeValue getInstance(String value,
                                  String[] params)
                           throws Exception

Description copied from interface: AttributeProxy

Tries to create a new AttributeValue based on the given String data.

Specified by:

getInstance in interface AttributeProxy

Parameters:

value - the text form of some attribute data

params - additional parameters that need to creates a value

Returns:

an AttributeValue representing the given data

Throws:

Exception - if the data couldn't be used (the exception is typically wrapping some other exception)