aboutsummaryrefslogtreecommitdiff
path: root/libjava/java/beans/PropertyChangeEvent.java
diff options
context:
space:
mode:
authorTom Tromey <tromey@gcc.gnu.org>2000-05-19 17:55:34 +0000
committerTom Tromey <tromey@gcc.gnu.org>2000-05-19 17:55:34 +0000
commit6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef (patch)
tree88cf0d32aea197ea8e8198e1206b04c820308615 /libjava/java/beans/PropertyChangeEvent.java
parent021c89ed68c151c45021fccf1bb5338ee817314c (diff)
downloadgcc-6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef.zip
gcc-6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef.tar.gz
gcc-6c80c45e3010bfe992b41dd8800d2c4b65e0d5ef.tar.bz2
Jumbo patch:
* Imported beans and serialization * Updated IA-64 port * Miscellaneous bug fixes From-SVN: r34028
Diffstat (limited to 'libjava/java/beans/PropertyChangeEvent.java')
-rw-r--r--libjava/java/beans/PropertyChangeEvent.java111
1 files changed, 111 insertions, 0 deletions
diff --git a/libjava/java/beans/PropertyChangeEvent.java b/libjava/java/beans/PropertyChangeEvent.java
new file mode 100644
index 0000000..f07577c
--- /dev/null
+++ b/libjava/java/beans/PropertyChangeEvent.java
@@ -0,0 +1,111 @@
+/* java.beans.PropertyChangeEvent
+ Copyright (C) 1998 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.beans;
+
+/**
+ ** PropertyChangeEvents are fired in the PropertyChange
+ ** and VetoableChange event classes. They represent the
+ ** old and new values as well as the source Bean.<P>
+ **
+ ** If the old or new value is a primitive type, it must
+ ** be wrapped in the appropriate wrapper type
+ ** (java.lang.Integer for int, etc., etc.).<P>
+ **
+ ** If the old or new values are unknown (although why
+ ** that would be I do not know), they may be null.<P>
+ **
+ ** Right now Sun put in a propagationId, reserved for
+ ** future use. Read the comments on the constructor
+ ** and on setPropagationId for more information.
+ **
+ ** @author John Keiser
+ ** @since JDK1.1
+ ** @version 1.1.0, 29 Jul 1998
+ **/
+
+public class PropertyChangeEvent extends java.util.EventObject {
+ String propertyName;
+ Object oldVal;
+ Object newVal;
+ Object propagationId;
+
+ /** Create a new PropertyChangeEvent. Remember that if
+ ** you received a PropertyChangeEvent and are sending
+ ** a new one, you should also set the propagation ID
+ ** from the old PropertyChangeEvent.
+ ** @param source the Bean containing the property.
+ ** @param propertyName the property's name.
+ ** @param oldVal the old value of the property.
+ ** @param newVal the new value of the property.
+ **/
+ public PropertyChangeEvent(Object source, String propertyName, Object oldVal, Object newVal) {
+ super(source);
+ this.propertyName = propertyName;
+ this.oldVal = oldVal;
+ this.newVal = newVal;
+ }
+
+ /** Get the property name.
+ ** @return the property name.
+ **/
+ public String getPropertyName() {
+ return propertyName;
+ }
+
+ /** Get the property's old value.
+ ** @return the property's old value.
+ **/
+ public Object getOldValue() {
+ return oldVal;
+ }
+
+ /** Get the property's new value.
+ ** @return the property's new value.
+ **/
+ public Object getNewValue() {
+ return newVal;
+ }
+
+ /** Set the propagation ID. This is a way for the event
+ ** to be passed from hand to hand and retain a little
+ ** extra state. Right now it is unused, but it should
+ ** be propagated anyway so that future versions of
+ ** JavaBeans can use it, for God knows what.
+ ** @param propagationId the propagation ID.
+ **/
+ public void setPropagationId(Object propagationId) {
+ this.propagationId = propagationId;
+ }
+
+ /** Get the propagation ID.
+ ** @return the propagation ID.
+ **/
+ public Object getPropagationId() {
+ return propagationId;
+ }
+}