com.jidesoft.filter
Class EmptyFilter<T>

java.lang.Object
  com.jidesoft.filter.AbstractFilter<T>
      com.jidesoft.filter.EmptyFilter<T>

All Implemented Interfaces:

Filter<T>, ObjectGrouperSupport, Serializable, Cloneable

public class EmptyFilter<T>
extends AbstractFilter<T>

A Filter returns false in isValueFiltered(Object) only if the input value is null or considered as empty, such as an empty string.

See Also:

Serialized Form

Field Summary

Fields inherited from interface com.jidesoft.filter.Filter

ALL, CUSTOM, NULL, SEPARATOR

Constructor Summary

EmptyFilter()

Method Summary

boolean	isValueFiltered(T value) Checks if the value is allowed.
boolean	stricterThan(Filter inputFilter) Check if this filter is stricter than the input filter while the two filters are with the same class.

Methods inherited from class com.jidesoft.filter.AbstractFilter

addFilterListener, clone, fireFilterChanged, fireFilterContentChanged, fireFilterDisabled, fireFilterEnabled, fireFilterNameChanged, getConditionString, getFilterFactory, getFilterFactoryName, getFilterListeners, getName, getObjectGrouper, getObjectGrouperName, getPreference, isEnabled, isFilterValid, removeFilterListener, setEnabled, setFilterFactory, setFilterFactoryName, setName, setObjectGrouper, setObjectGrouperName, setPreference

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyFilter

public EmptyFilter()

Method Detail

isValueFiltered

public boolean isValueFiltered(T value)

Checks if the value is allowed.

Parameters:

value - the value to check.

Returns:

true if the value is not empty and false if empty.

stricterThan

public boolean stricterThan(Filter inputFilter)

Check if this filter is stricter than the input filter while the two filters are with the same class.

Specified by:

stricterThan in interface Filter<T>

Overrides:

stricterThan in class AbstractFilter<T>

Parameters:

inputFilter - the input filter

Returns:

true if the class of the two filters are the same. Otherwise false.