Package org.apache.tomcat.util.modeler
Class BaseAttributeFilter
java.lang.Object
org.apache.tomcat.util.modeler.BaseAttributeFilter
- All Implemented Interfaces:
Serializable,NotificationFilter
Implementation of NotificationFilter for attribute change
notifications. This class is used by BaseModelMBean to
construct attribute change notification event filters when a filter is not
supplied by the application.
- Author:
- Craig R. McClanahan
- See Also:
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Constructor Summary
ConstructorsConstructorDescriptionBaseAttributeFilter(String name) Construct a new filter that accepts only the specified attribute name. -
Method Summary
Modifier and TypeMethodDescriptionvoidaddAttribute(String name) Add a new attribute name to the set of names accepted by this filter.voidclear()Clear all accepted names from this filter, so that it will accept all attribute names.String[]getNames()Return the set of names that are accepted by this filter.booleanisNotificationEnabled(Notification notification) Test whether notification enabled for this event.voidremoveAttribute(String name) Remove an attribute name from the set of names accepted by this filter.
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Constructor Details
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BaseAttributeFilter
Construct a new filter that accepts only the specified attribute name.- Parameters:
name- Name of the attribute to be accepted by this filter, ornullto accept all attribute names
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Method Details
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addAttribute
Add a new attribute name to the set of names accepted by this filter.- Parameters:
name- Name of the attribute to be accepted
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clear
public void clear()Clear all accepted names from this filter, so that it will accept all attribute names. -
getNames
Return the set of names that are accepted by this filter. If this filter accepts all attribute names, a zero length array will be returned.- Returns:
- the array of names
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isNotificationEnabled
Test whether notification enabled for this event. Return true if:
- This is an attribute change notification
- Either the set of accepted names is empty (implying that all attribute names are of interest) or the set of accepted names includes the name of the attribute in this notification
- Specified by:
isNotificationEnabledin interfaceNotificationFilter
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removeAttribute
Remove an attribute name from the set of names accepted by this filter.- Parameters:
name- Name of the attribute to be removed
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