com.antelmann.util
Interface VerboseFilter<T>

All Superinterfaces:

Filter<T>

All Known Implementing Classes:

VerboseFilter.Adapter

public interface VerboseFilter<T>
extends Filter<T>

a special filter that will provide a message if this instance doesn't accept an element.

Since:

06.01.2011, 13:06:53

Author:

Holger Antelmann

Nested Class Summary

static class

VerboseFilter.Adapter<T>

Field Summary

Fields inherited from interface com.antelmann.util.Filter

EXCLUDE_ALL_FILTER, INCLUDE_ALL_FILTER

Method Summary

String

getRejectionMessage(T entry) provides a message telling the caller why a given element is not accepted by this filter

Methods inherited from interface com.antelmann.util.Filter

accept

Method Detail

getRejectionMessage

String getRejectionMessage(T entry)

provides a message telling the caller why a given element is not accepted by this filter

Parameters:

entry - the element that is to be filtered; the entry may be null (in which case a generic rejection message is provided

Returns:

null if the element is accepted by this filter or an appropriate message telling why the given element is not accepted