Package java.beans

Listeners and descriptors for managing beans.

Interface Summary
AppletInitializer	This interface is a mechanism for the initialization of a Java Bean that is also an Applet.
BeanInfo	BeanInfo can be implemented in order to provide explicit information to the Introspector.
Customizer	You may explicitly provide a Customizer for your Bean class, which allows you complete control of the editing of the Bean. A Customizer is meant to be embedded in an RAD tool, and thus must be a descendant of `java.awt.Component`. It must also have a constructor with no arguments.
DesignMode	`BeanContextChild` implementors implement this to get information about whether they are in a design time or runtime environment.
ExceptionListener	This interface allows a class to monitor internal exceptions, to try to recover from them.
PropertyChangeListener	PropertyChangeListener allows a class to monitor properties of a Bean for changes.
PropertyEditor	PropertyEditors are custom GUI editors for specific types of values.
VetoableChangeListener	VetoableChangeListener allows a class to monitor proposed changes to properties of a Bean and, if desired, prevent them from occurring.
Visibility	Visibility is an interface a Bean may implement so that the environment can tell the Bean whether there is a GUI or not, and so that the Bean can tell the environment whether it needs one or can run without one.

Class Summary
BeanDescriptor	BeanDescriptor describes general information about a Bean, plus stores the Bean's Class and it's customizer's Class.
Beans	`Beans` provides some helper methods that allow the basic operations of Bean-ness.
DefaultPersistenceDelegate	`DefaultPersistenceDelegate` is a {@link PersistenceDelegate} implementation that can be used to serialize objects which adhere to the Java Beans naming convention.
Encoder
EventHandler	EventHandler forms a bridge between dynamically created listeners and arbitrary properties and methods. You can use this class to easily create listener implementations for some basic interactions between an event source and its target.
EventSetDescriptor	EventSetDescriptor describes the hookup between an event source class and an event listener class.
Expression	An Expression captures the execution of an object method that returns a value. It stores an object, the method to call, and the arguments to pass to the method. While this class can generally be used to describe method calls it is part of the XML serialization API.
FeatureDescriptor	FeatureDescriptor is the common superclass for all JavaBeans Descriptor classes.
IndexedPropertyChangeEvent	This is like a PropertyChangeEvent, but also carries with it the index of the property which changed.
IndexedPropertyDescriptor	IndexedPropertyDescriptor describes information about a JavaBean indexed property, by which we mean an array-like property that has been exposed via a pair of get and set methods and another pair that allows you to get to the property by an index. An example property would have four methods like this: `FooBar[] getFoo()` `void setFoo(FooBar[])` `FooBar getFoo(int)` `void setFoo(int,FooBar)` The constraints put on get and set methods are: There must be at least a get(int) or a set(int,...) method.
Introspector	Introspector is the class that does the bulk of the design-time work in Java Beans.
MethodDescriptor	MethodDescriptor describes information about a JavaBeans method.
ParameterDescriptor	ParameterDescriptor represents a single parameter to a method.
PersistenceDelegate	A `PersistenceDelegate` describes how a another object has to constructed and transformed in order to create a complete replicate. For custom classes you will need to implement `PersistenceDelegate` in a way that is suitable for them.
PropertyChangeEvent	PropertyChangeEvents are fired in the PropertyChange and VetoableChange event classes.
PropertyChangeListenerProxy	This class provides an extension to `PropertyChangeListener` - associating a name with the listener.
PropertyChangeSupport	PropertyChangeSupport makes it easy to fire property change events and handle listeners.
PropertyDescriptor	PropertyDescriptor describes information about a JavaBean property, by which we mean a property that has been exposed via a pair of get and set methods.
PropertyEditorManager	PropertyEditorManager is used to find property editors for various types (not necessarily Beans). It first checks to see if the property editor is already registered; if it is, that property editor is used.
PropertyEditorSupport	PropertyEditorSupport helps with PropertyEditors, implementing base functionality that they usually must have but which is a pain to implement.
SimpleBeanInfo	SimpleBeanInfo is a class you may extend to more easily provide select information to the Introspector.
Statement	A Statement captures the execution of an object method.
VetoableChangeListenerProxy	This class provides an extension to `VetoableChangeListener` - associating a name with the listener.
VetoableChangeSupport	VetoableChangeSupport makes it easy to fire vetoable change events and handle listeners.
XMLDecoder	The XMLDecoder reads XML data that is structured according to this DTD and creates objects according to the content.
XMLEncoder	This class uses the {@link PersistenceDelegate} and {@link Encoder} infrastructure to generate an XML representation of the objects it serializes.

Exception Summary
IntrospectionException	IntrospectionException is thrown when the Introspector fails.
PropertyVetoException	PropertyVetoException is thrown when a VetoableChangeListener doesn't like the proposed change.

Package java.beans Description:

Listeners and descriptors for managing beans.