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Class java.beans.FeatureDescriptor

java.lang.Object
   |
   +----java.beans.FeatureDescriptor

public class FeatureDescriptor
extends Object
The FeatureDescriptor class is the common baseclass for PropertyDescriptor, EventSetDescriptor, and MethodDescriptor, etc.

It supports some common information that can be set and retrieved for any of the introspection descriptors.

In addition it provides an extension mechanism so that arbitrary attribute/value pairs can be associated with a design feature.


Constructor Index

 o FeatureDescriptor()

Method Index

 o attributeNames()
 o getDisplayName()
 o getName()
 o getShortDescription()
 o getValue(String)
Retrieve a named attribute with this feature.
 o isExpert()
The "expert" flag is used to distinguish between those features that are intended for expert users from those that are intended for normal users.
 o isHidden()
The "hidden" flag is used to identify features that are intended only for tool use, and which should not be exposed to humans.
 o setDisplayName(String)
 o setExpert(boolean)
The "expert" flag is used to distinguish between features that are intended for expert users from those that are intended for normal users.
 o setHidden(boolean)
The "hidden" flag is used to identify features that are intended only for tool use, and which should not be exposed to humans.
 o setName(String)
 o setShortDescription(String)
You can associate a short descriptive string with a feature.
 o setValue(String, Object)
Associate a named attribute with this feature.

Constructors

 o FeatureDescriptor
 public FeatureDescriptor()

Methods

 o getName
 public String getName()
Returns:
The programmatic name of the property/method/event
 o setName
 public void setName(String name)
Parameters:
name - The programmatic name of the property/method/event
 o getDisplayName
 public String getDisplayName()
Returns:
The localized display name for the property/method/event. This defaults to the same as its programmatic name from getName.
 o setDisplayName
 public void setDisplayName(String displayName)
Parameters:
displayName - The localized display name for the property/method/event.
 o isExpert
 public boolean isExpert()
The "expert" flag is used to distinguish between those features that are intended for expert users from those that are intended for normal users.

Returns:
True if this feature is intended for use by experts only.
 o setExpert
 public void setExpert(boolean expert)
The "expert" flag is used to distinguish between features that are intended for expert users from those that are intended for normal users.

Parameters:
expert - True if this feature is intended for use by experts only.
 o isHidden
 public boolean isHidden()
The "hidden" flag is used to identify features that are intended only for tool use, and which should not be exposed to humans.

Returns:
True if this feature should be hidden from human users.
 o setHidden
 public void setHidden(boolean hidden)
The "hidden" flag is used to identify features that are intended only for tool use, and which should not be exposed to humans.

Parameters:
hidden - True if this feature should be hidden from human users.
 o getShortDescription
 public String getShortDescription()
Returns:
A localized short description associated with this property/method/event. This defaults to be the display name.
 o setShortDescription
 public void setShortDescription(String text)
You can associate a short descriptive string with a feature. Normally these descriptive strings should be less than about 40 characters.

Parameters:
text - A (localized) short description to be associated with this property/method/event.
 o setValue
 public void setValue(String attributeName,
                      Object value)
Associate a named attribute with this feature.

Parameters:
attributeName - The locale-independent name of the attribute
value - The value.
 o getValue
 public Object getValue(String attributeName)
Retrieve a named attribute with this feature.

Parameters:
attributeName - The locale-independent name of the attribute
Returns:
The value of the attribute. May be null if the attribute is unknown.
 o attributeNames
 public Enumeration attributeNames()
Returns:
An enumeration of the locale-independent names of any attributes that have been registered with setValue.

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