Makefile.in: Rebuilt.
* Makefile.in: Rebuilt. * Makefile.am (awt_java_source_files): Added new files. * java/beans/ExceptionListener.java: Merged with Classpath. * java/beans/PropertyChangeEvent.java: Merged with Classpath. * java/beans/PropertyChangeListener.java: Merged with Classpath. * java/beans/PropertyChangeListenerProxy.java: Merged with Classpath. * java/beans/PropertyChangeSupport.java: Merged with Classpath. * java/beans/VetoableChangeListener.java: Merged with Classpath. * java/beans/VetoableChangeListenerProxy.java: Merged with Classpath. * java/beans/VetoableChangeSupport.java: Merged with Classpath. From-SVN: r55459
This commit is contained in:
Tom Tromey
Tom Tromey
parent
ed8d29205b
commit
9698ee33f0
11 changed files with 1383 additions and 571 deletions
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@ -1,5 +1,5 @@
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/* java.beans.PropertyChangeEvent
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Copyright (C) 1998, 2000 Free Software Foundation, Inc.
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/* PropertyChangeEvent.java -- describes a change in a property
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Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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@ -7,7 +7,7 @@ GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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@ -38,87 +38,152 @@ exception statement from your version. */
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package java.beans;
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import java.util.EventObject;
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/**
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** PropertyChangeEvents are fired in the PropertyChange
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** and VetoableChange event classes. They represent the
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** old and new values as well as the source Bean.<P>
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**
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** If the old or new value is a primitive type, it must
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** be wrapped in the appropriate wrapper type
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** (java.lang.Integer for int, etc., etc.).<P>
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**
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** If the old or new values are unknown (although why
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** that would be I do not know), they may be null.<P>
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**
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** Right now Sun put in a propagationId, reserved for
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** future use. Read the comments on the constructor
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** and on setPropagationId for more information.
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**
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** @author John Keiser
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** @since JDK1.1
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** @version 1.1.0, 29 Jul 1998
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**/
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* PropertyChangeEvents are fired in the PropertyChange and VetoableChange
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* event classes. They represent the old and new values as well as the
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* source Bean. If the old or new value is a primitive type, it must be
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* wrapped in the appropriate wrapper type (java.lang.Integer for int, etc.,
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* etc.).
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*
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* <p>If the old or new values are unknown (although why that would be I do
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* not know), they may be null. Also, if the set of properties itself has
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* changed, the name should be null, and the old and new values may also be
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* null. Right now Sun put in a propagationId, reserved for future use. Read
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* the comments on the constructor and on setPropagationId for more
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* information.
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*
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* @author John Keiser
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* @author Eric Blake <ebb9@email.byu.edu>
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* @since 1.1
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* @status udpated to 1.4
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*/
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public class PropertyChangeEvent extends EventObject
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{
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/**
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* Compatible with JDK 1.1+.
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*/
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private static final long serialVersionUID = 7042693688939648123L;
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public class PropertyChangeEvent extends java.util.EventObject {
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String propertyName;
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Object oldValue;
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Object newValue;
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Object propagationId;
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/**
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* The name of the property that changed, may be null. Package visible for
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* use by PropertyChangeSupport.
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*
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* @serial the changed property name
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*/
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final String propertyName;
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private static final long serialVersionUID = 7042693688939648123L;
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/**
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* The new value of the property, may be null. Package visible for use by
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* PropertyChangeSupport.
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*
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* @serial the new property value
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*/
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final Object newValue;
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/** Create a new PropertyChangeEvent. Remember that if
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** you received a PropertyChangeEvent and are sending
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** a new one, you should also set the propagation ID
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** from the old PropertyChangeEvent.
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** @param source the Bean containing the property.
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** @param propertyName the property's name.
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** @param oldValue the old value of the property.
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** @param newValue the new value of the property.
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**/
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public PropertyChangeEvent(Object source, String propertyName, Object oldVal, Object newVal) {
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super(source);
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this.propertyName = propertyName;
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oldValue = oldVal;
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newValue = newVal;
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}
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/**
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* The old value of the property, may be null. Package visible for use by
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* PropertyChangeSupport.
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*
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* @serial the old property value
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*/
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final Object oldValue;
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/** Get the property name.
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** @return the property name.
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**/
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public String getPropertyName() {
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return propertyName;
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}
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/**
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* The propagation ID, reserved for future use. May be null.
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*
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* @see #getPropagationId()
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* @serial the Propagation ID
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*/
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private Object propagationId;
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/** Get the property's old value.
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** @return the property's old value.
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**/
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public Object getOldValue() {
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return oldValue;
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}
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/**
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* Create a new PropertyChangeEvent. Remember that if you received a
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* PropertyChangeEvent and are sending a new one, you should also set the
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* propagation ID from the old PropertyChangeEvent.
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*
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* @param source the Bean containing the property
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* @param propertyName the property's name
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* @param oldValue the old value of the property
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* @param newValue the new value of the property
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* @throws IllegalArgumentException if source is null
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*/
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public PropertyChangeEvent(Object source, String propertyName,
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Object oldVal, Object newVal)
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{
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super(source);
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this.propertyName = propertyName;
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oldValue = oldVal;
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newValue = newVal;
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}
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/** Get the property's new value.
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** @return the property's new value.
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**/
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public Object getNewValue() {
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return newValue;
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}
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/**
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* Get the property name. May be null if multiple properties changed.
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*
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* @return the property name
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*/
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public String getPropertyName()
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{
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return propertyName;
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}
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/** Set the propagation ID. This is a way for the event
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** to be passed from hand to hand and retain a little
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** extra state. Right now it is unused, but it should
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** be propagated anyway so that future versions of
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** JavaBeans can use it, for God knows what.
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** @param propagationId the propagation ID.
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**/
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public void setPropagationId(Object propagationId) {
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this.propagationId = propagationId;
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}
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/**
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* Get the property's new value. May be null if multiple properties changed.
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*
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* @return the property's new value
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*/
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public Object getNewValue()
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{
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return newValue;
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}
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/** Get the propagation ID.
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** @return the propagation ID.
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**/
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public Object getPropagationId() {
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return propagationId;
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}
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}
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/**
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* Get the property's old value. May be null if multiple properties changed.
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*
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* @return the property's old value
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*/
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public Object getOldValue()
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{
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return oldValue;
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}
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/**
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* Set the propagation ID. This is a way for the event to be passed from
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* hand to hand and retain a little extra state. Right now it is unused,
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* but it should be propagated anyway so that future versions of JavaBeans
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* can use it, for God knows what.
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*
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* @param propagationId the propagation ID
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* @see #getPropagationId()
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*/
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public void setPropagationId(Object propagationId)
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{
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this.propagationId = propagationId;
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}
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/**
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* Get the propagation ID. Right now, it is not used for anything.
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*
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* @return the propagation ID
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* @see #setPropagationId(Object)
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*/
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public Object getPropagationId()
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{
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return propagationId;
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}
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/**
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* Utility method to rollback a change.
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*
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* @param event the event to rollback
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* @return a new event with old and new swapped
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*/
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PropertyChangeEvent rollback()
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{
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PropertyChangeEvent result
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= new PropertyChangeEvent(source, propertyName, newValue, oldValue);
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result.propagationId = propagationId;
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return result;
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}
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} // class PropertyChangeEvent
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