iaik.xml.filter.impl.dsig

Class XPathFilter2Sieve

java.lang.Object

iaik.xml.filter.impl.dsig.FilterIterator

iaik.xml.filter.impl.dsig.XPathFilter2Sieve

All Implemented Interfaces:

Iterator

public class XPathFilter2Sieve
extends FilterIterator

A FilterIterator implementing the XPath Filter 2.0 behaviour as specified by the W3C recommendation XML-Signature XPath Filter 2.0.

NOTE: The input Iterator MUST provide the Nodes of the input node-set in document order (according to XML Path Language (XPath) Version 1.0, Section 5 ) with the following weakening: The order of the namespace and attribute child nodes of an element may be arbitrary.

Field Summary

Fields inherited from class iaik.xml.filter.impl.dsig.FilterIterator

iterator_, nextObj_

Constructor Summary

Constructors

Constructor and Description
XPathFilter2Sieve(Iterator iterator, List xpathList, List ownerList, DOMCryptoContext context) Creates a new XPathFilter2Sieve with the given iterator providing the input node-set the list of XPathTypes and the list of their corresponding owner Nodes.

Method Summary

Modifier and Type	Method and Description
protected boolean	skip(Object obj) Returns true if the given obj ect should NOT be returned by the FilterIterator.next()method, otherwise returns false .

Methods inherited from class iaik.xml.filter.impl.dsig.FilterIterator

hasNext, next, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

XPathFilter2Sieve

public XPathFilter2Sieve(Iterator iterator,
                         List xpathList,
                         List ownerList,
                         DOMCryptoContext context)
                  throws XPathException

Creates a new XPathFilter2Sieve with the given iterator providing the input node-set the list of XPathTypes and the list of their corresponding owner Nodes.

Parameters:

iterator - the iterator providing the input node-set

xpathList - the list of XPathTypes

ownerList - the list of <XPath> Elements corresponding to the xpathList

context - the context

Throws:

XPathException - if evaluating an XPath expression fails

Method Detail

skip

protected boolean skip(Object obj)

Description copied from class: FilterIterator

Returns true if the given obj ect should NOT be returned by the FilterIterator.next()method, otherwise returns false .

Overwrite this method to implement specific filtering of Nodes.

Specified by:

skip in class FilterIterator

Parameters:

obj - the object to be tested

Returns:

true if the object should be skipped, false otherwise

See Also:

FilterIterator.skip(java.lang.Object)