com.acsinet_solutions.util.expr
Class XPathMapFilter<K,V>

java.lang.Object
  com.acsinet_solutions.util.expr.XPathMapFilter<K,V>

All Implemented Interfaces:

MapFilter<K,V>

Direct Known Subclasses:

KeyXPathMapFilter, ValueXPathMapFilter

public abstract class XPathMapFilter<K,V>
extends java.lang.Object
implements MapFilter<K,V>

XPath based map filter. Applies an XPath expression to each value in the map to perform the filtering

Author:

Santiago Arriaga

Constructor Summary

protected	XPathMapFilter(java.lang.String xpath) Public constructor
protected	XPathMapFilter(java.lang.String xpath, MapFilter<K,V> nestedFilter) Public constructor

Method Summary

abstract java.lang.Object	getBean(java.util.Map.Entry<K,V> entry) This abstract method will be redefined by the inner classes returned by this class' factory methods
java.util.Map<K,V>	getFilteredMap(java.util.Map<K,V> original) Get a filtered version of the original provided Map.

Methods inherited from class java.lang.Object

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

Constructor Detail

XPathMapFilter

protected XPathMapFilter(java.lang.String xpath,
                         MapFilter<K,V> nestedFilter)

Public constructor

Parameters:

xpath - A not-null valid xpath expression

nestedFilter - A not-null filter to be applied before the current one.

XPathMapFilter

protected XPathMapFilter(java.lang.String xpath)

Public constructor

Parameters:

xpath - A not-null valid xpath expression

Method Detail

getFilteredMap

public final java.util.Map<K,V> getFilteredMap(java.util.Map<K,V> original)

Description copied from interface: MapFilter

Get a filtered version of the original provided Map. The original Map MUST NOT be intended to be modified.

Specified by:

getFilteredMap in interface MapFilter<K,V>

Parameters:

original - A not-null maybe-empty Map instance

getBean

public abstract java.lang.Object getBean(java.util.Map.Entry<K,V> entry)

This abstract method will be redefined by the inner classes returned by this class' factory methods

Parameters:

entry - A not-null Map.Entry instance

Returns:

Object The object that will be evaluated