com.aragost.araspect.evaluators
Class MapEvaluator

java.lang.Object
  |
  +--com.aragost.araspect.evaluators.Evaluator
        |
        +--com.aragost.araspect.evaluators.MapEvaluator

Direct Known Subclasses:

GenericMapEvaluator

public class MapEvaluator

extends Evaluator

An Evaluator to evaluate entries in a Map.

Constructor Summary

MapEvaluator()

Method Summary

PathElement	createPathElement(java.lang.Object key, int index) DOCUMENT ME!
static java.util.Iterator	entrySetIterator(java.util.Map map) DOCUMENT ME!
java.lang.Object	eval(java.lang.Object arg, PathElement elm) Evaluate a PathElement for the specified Object.
static java.util.Map.Entry	getEntryAtIndex(java.util.Map map, int index) DOCUMENT ME!
java.lang.String	id() Return a unique id for the receiver.
java.lang.String	prettyPrint(PathElement elm) DOCUMENT ME!

Methods inherited from class com.aragost.araspect.evaluators.Evaluator

get, getRegisteredEvaluators, register, register

Methods inherited from class java.lang.Object

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

Constructor Detail

MapEvaluator

public MapEvaluator()

Method Detail

createPathElement

public PathElement createPathElement(java.lang.Object key,
                                     int index)

DOCUMENT ME!

Parameters:

key - DOCUMENT ME!

index - DOCUMENT ME!

Returns:

DOCUMENT ME!

getEntryAtIndex

public static java.util.Map.Entry getEntryAtIndex(java.util.Map map,
                                                  int index)

DOCUMENT ME!

Parameters:

map - DOCUMENT ME!

index - DOCUMENT ME!

Returns:

DOCUMENT ME!

entrySetIterator

public static java.util.Iterator entrySetIterator(java.util.Map map)

DOCUMENT ME!

Parameters:

map - DOCUMENT ME!

Returns:

DOCUMENT ME!

id

public java.lang.String id()

Description copied from class: Evaluator

Return a unique id for the receiver. Only one Evaluator should return the same id.

Specified by:

id in class Evaluator

Returns:

String the id.

See Also:

Evaluator.id()

eval

public java.lang.Object eval(java.lang.Object arg,
                             PathElement elm)
                      throws EvaluationException

Description copied from class: Evaluator

Evaluate a PathElement for the specified Object. The receiver is assumed to be the Evaluator specified by the evaluatorId() of the PathElement.

Specified by:

eval in class Evaluator

Parameters:

arg -

elm -

Returns:

Object

Throws:

EvaluationException

See Also:

Evaluator.eval(Object, PathElement)

prettyPrint

public java.lang.String prettyPrint(PathElement elm)

DOCUMENT ME!

Overrides:

prettyPrint in class Evaluator

Parameters:

elm - DOCUMENT ME!

Returns:

DOCUMENT ME!