org.bedework.util.calendar.diff

Class ValueMatcher

java.lang.Object

org.bedework.util.calendar.diff.ValueMatcher

public class ValueMatcher
extends Object

This class allows comparison of calendaring values. Each value is represented by an iCalendar value-type element (e.g. text, integer). They can be added to the ValueMatcher object and then that object can be compared to another to determine if the values are equal.

Author:

Mike Douglass

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ValueMatcher.ValueConverter<T>

Constructor Summary

Constructors

Constructor and Description
ValueMatcher()

Method Summary

Modifier and Type	Method and Description
ValueComparator	getComparator(Object val)
Object	getElementAndValue(Object val) Called to get a property or parameter object containing only the value.
List	getNormalized(Object val)
static void	registerGlobalConverter(Class cl, ValueMatcher.ValueConverter vc) Register a converter used by all instances of the value matcher.
void	registerInstanceConverter(Class cl, ValueMatcher.ValueConverter vc) Register a converter used only by this instance of the value matcher.

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueMatcher

public ValueMatcher()

Method Detail

getComparator

public ValueComparator getComparator(Object val)

Parameters:

val - - value to match

Returns:

comparator

getElementAndValue

public Object getElementAndValue(Object val)

Called to get a property or parameter object containing only the value. The property or parameter object is a new instance. Its value is copied.

Parameters:

val -

Returns:

property object containing value only

getNormalized

public List getNormalized(Object val)

Parameters:

val -

Returns:

normalized set of objects

registerGlobalConverter

public static void registerGlobalConverter(Class cl,
                                           ValueMatcher.ValueConverter vc)

Register a converter used by all instances of the value matcher.

Parameters:

cl -

vc -

registerInstanceConverter

public void registerInstanceConverter(Class cl,
                                      ValueMatcher.ValueConverter vc)

Register a converter used only by this instance of the value matcher.

Parameters:

cl -

vc -