Class BeanDescriptor

java.lang.Object

java.beans.FeatureDescriptor

java.beans.BeanDescriptor

public class BeanDescriptor
extends FeatureDescriptor

A BeanDescriptor provides global information about a "bean", including its Java class, its displayName, etc.

This is one of the kinds of descriptor returned by a BeanInfo object, which also returns descriptors for properties, method, and events.

Since:

1.1

Constructor Summary

Constructors

Constructor	Description
BeanDescriptor(Class<?> beanClass)	Create a BeanDescriptor for a bean that doesn't have a customizer.
BeanDescriptor(Class<?> beanClass, Class<?> customizerClass)	Create a BeanDescriptor for a bean that has a customizer.

Method Summary

Modifier and Type	Method	Description
Class<?>	getBeanClass()	Gets the bean's Class object.
Class<?>	getCustomizerClass()	Gets the Class object for the bean's customizer.

Methods declared in class FeatureDescriptor

attributeNames, getDisplayName, getName, getShortDescription, getValue, isExpert, isHidden, isPreferred, setDisplayName, setExpert, setHidden, setName, setPreferred, setShortDescription, setValue, toString

Modifier and Type	Method	Description
Enumeration<String>	attributeNames()	Gets an enumeration of the locale-independent names of this feature.
String	getDisplayName()	Gets the localized display name of this feature.
String	getName()	Gets the programmatic name of this feature.
String	getShortDescription()	Gets the short description of this feature.
Object	getValue(String attributeName)	Retrieve a named attribute with this feature.
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.
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.
boolean	isPreferred()	The "preferred" flag is used to identify features that are particularly important for presenting to humans.
void	setDisplayName(String displayName)	Sets the localized display name of this feature.
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.
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.
void	setName(String name)	Sets the programmatic name of this feature.
void	setPreferred(boolean preferred)	The "preferred" flag is used to identify features that are particularly important for presenting to humans.
void	setShortDescription(String text)	You can associate a short descriptive string with a feature.
void	setValue(String attributeName, Object value)	Associate a named attribute with this feature.
String	toString()	Returns a string representation of the object.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
boolean	equals(Object o)	Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. May cause performance issues, deadlocks and hangs.
final Class<? extends Object>	getClass()	Answers the unique instance of java.lang.Class which represents the class of the receiver.
int	hashCode()	Answers an integer hash code for the receiver.
final void	notify()	Causes one thread which is waiting on the receiver to be made ready to run.
final void	notifyAll()	Causes all threads which are waiting on the receiver to be made ready to run.
final void	wait()	Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
final void	wait(long time)	Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
final void	wait(long time, int frac)	Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

Constructor Details

BeanDescriptor

public BeanDescriptor(Class<?> beanClass)

Create a BeanDescriptor for a bean that doesn't have a customizer.

Parameters:

beanClass - The Class object of the Java class that implements the bean. For example sun.beans.OurButton.class.

BeanDescriptor

public BeanDescriptor(Class<?> beanClass,
 Class<?> customizerClass)

Create a BeanDescriptor for a bean that has a customizer.

Parameters:

beanClass - The Class object of the Java class that implements the bean. For example sun.beans.OurButton.class.

customizerClass - The Class object of the Java class that implements the bean's Customizer. For example sun.beans.OurButtonCustomizer.class.

Method Details

getBeanClass

public Class<?> getBeanClass()

Gets the bean's Class object.

Returns:

The Class object for the bean.

getCustomizerClass

public Class<?> getCustomizerClass()

Gets the Class object for the bean's customizer.

Returns:

The Class object for the bean's customizer. This may be null if the bean doesn't have a customizer.