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Commit 9698ee33 by Tom Tromey Committed by Tom Tromey
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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
parent ed8d2920
Showing with 485 additions and 142 deletions
libjava/ChangeLog
2002-07-15 Tom Tromey <tromey@redhat.com>
* 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.
2002-07-14 Mark Wielaard <mark@klomp.org>
* gnu/java/security/der/DEREncodingException.java,
......
libjava/Makefile.am
......@@ -799,6 +799,7 @@ java/beans/Beans.java \
java/beans/Customizer.java \
java/beans/DesignMode.java \
java/beans/EventSetDescriptor.java \
java/beans/ExceptionListener.java \
java/beans/FeatureDescriptor.java \
java/beans/IndexedPropertyDescriptor.java \
java/beans/IntrospectionException.java \
......@@ -807,6 +808,7 @@ java/beans/MethodDescriptor.java \
java/beans/ParameterDescriptor.java \
java/beans/PropertyChangeEvent.java \
java/beans/PropertyChangeListener.java \
java/beans/PropertyChangeListenerProxy.java \
java/beans/PropertyChangeSupport.java \
java/beans/PropertyDescriptor.java \
java/beans/PropertyEditor.java \
......@@ -815,6 +817,7 @@ java/beans/PropertyEditorSupport.java \
java/beans/PropertyVetoException.java \
java/beans/SimpleBeanInfo.java \
java/beans/VetoableChangeListener.java \
java/beans/VetoableChangeListenerProxy.java \
java/beans/VetoableChangeSupport.java \
java/beans/Visibility.java
......
libjava/Makefile.in
......@@ -568,6 +568,7 @@ java/beans/Beans.java \
java/beans/Customizer.java \
java/beans/DesignMode.java \
java/beans/EventSetDescriptor.java \
java/beans/ExceptionListener.java \
java/beans/FeatureDescriptor.java \
java/beans/IndexedPropertyDescriptor.java \
java/beans/IntrospectionException.java \
......@@ -576,6 +577,7 @@ java/beans/MethodDescriptor.java \
java/beans/ParameterDescriptor.java \
java/beans/PropertyChangeEvent.java \
java/beans/PropertyChangeListener.java \
java/beans/PropertyChangeListenerProxy.java \
java/beans/PropertyChangeSupport.java \
java/beans/PropertyDescriptor.java \
java/beans/PropertyEditor.java \
......@@ -584,6 +586,7 @@ java/beans/PropertyEditorSupport.java \
java/beans/PropertyVetoException.java \
java/beans/SimpleBeanInfo.java \
java/beans/VetoableChangeListener.java \
java/beans/VetoableChangeListenerProxy.java \
java/beans/VetoableChangeSupport.java \
java/beans/Visibility.java
......@@ -1776,7 +1779,7 @@ libgcj-test.spec.in libgcj.spec.in
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
TAR = tar
TAR = gtar
GZIP_ENV = --best
DIST_SUBDIRS = @DIRLTDL@ testsuite gcj include @DIRLTDL@ gcj include
DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
......@@ -2197,6 +2200,7 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
.deps/java/beans/BeanInfo.P .deps/java/beans/Beans.P \
.deps/java/beans/Customizer.P .deps/java/beans/DesignMode.P \
.deps/java/beans/EventSetDescriptor.P \
.deps/java/beans/ExceptionListener.P \
.deps/java/beans/FeatureDescriptor.P \
.deps/java/beans/IndexedPropertyDescriptor.P \
.deps/java/beans/IntrospectionException.P \
......@@ -2204,6 +2208,7 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
.deps/java/beans/ParameterDescriptor.P \
.deps/java/beans/PropertyChangeEvent.P \
.deps/java/beans/PropertyChangeListener.P \
.deps/java/beans/PropertyChangeListenerProxy.P \
.deps/java/beans/PropertyChangeSupport.P \
.deps/java/beans/PropertyDescriptor.P .deps/java/beans/PropertyEditor.P \
.deps/java/beans/PropertyEditorManager.P \
......@@ -2211,6 +2216,7 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
.deps/java/beans/PropertyVetoException.P \
.deps/java/beans/SimpleBeanInfo.P \
.deps/java/beans/VetoableChangeListener.P \
.deps/java/beans/VetoableChangeListenerProxy.P \
.deps/java/beans/VetoableChangeSupport.P .deps/java/beans/Visibility.P \
.deps/java/beans/beancontext/BeanContext.P \
.deps/java/beans/beancontext/BeanContextChild.P \
......
libjava/java/beans/ExceptionListener.java 0 → 100644
/* ExceptionListener.java -- listen for recoverable internal exceptions
Copyright (C) 2002 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.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.beans;
/**
* This interface allows a class to monitor internal exceptions, to try to
* recover from them.
*
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.4
* @status updated to 1.4
*/
public interface ExceptionListener
{
/**
* Fired after an exception occurs.
*
* @param e the trapped exception
*/
void exceptionThrown(Exception e);
} // interface ExceptionListener
libjava/java/beans/PropertyChangeEvent.java
/* java.beans.PropertyChangeEvent
Copyright (C) 1998, 2000 Free Software Foundation, Inc.
/* PropertyChangeEvent.java -- describes a change in a property
Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
......@@ -7,7 +7,7 @@ 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
......@@ -38,87 +38,152 @@ exception statement from your version. */
package java.beans;
import java.util.EventObject;
/**
** 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 oldValue;
Object newValue;
Object propagationId;
private static final long serialVersionUID = 7042693688939648123L;
/** 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 oldValue the old value of the property.
** @param newValue the new value of the property.
**/
public PropertyChangeEvent(Object source, String propertyName, Object oldVal, Object newVal) {
super(source);
this.propertyName = propertyName;
oldValue = oldVal;
newValue = 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 oldValue;
}
/** Get the property's new value.
** @return the property's new value.
**/
public Object getNewValue() {
return newValue;
}
/** 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;
}
}
* PropertyChangeEvents are fired in the PropertyChange and VetoableChange
* event classes. They represent the old and new values as well as the
* source Bean. 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. Also, if the set of properties itself has
* changed, the name should be null, and the old and new values may also be
* null. 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
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.1
* @status udpated to 1.4
*/
public class PropertyChangeEvent extends EventObject
{
/**
* Compatible with JDK 1.1+.
*/
private static final long serialVersionUID = 7042693688939648123L;
/**
* The name of the property that changed, may be null. Package visible for
* use by PropertyChangeSupport.
*
* @serial the changed property name
*/
final String propertyName;
/**
* The new value of the property, may be null. Package visible for use by
* PropertyChangeSupport.
*
* @serial the new property value
*/
final Object newValue;
/**
* The old value of the property, may be null. Package visible for use by
* PropertyChangeSupport.
*
* @serial the old property value
*/
final Object oldValue;
/**
* The propagation ID, reserved for future use. May be null.
*
* @see #getPropagationId()
* @serial the Propagation ID
*/
private 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 oldValue the old value of the property
* @param newValue the new value of the property
* @throws IllegalArgumentException if source is null
*/
public PropertyChangeEvent(Object source, String propertyName,
Object oldVal, Object newVal)
{
super(source);
this.propertyName = propertyName;
oldValue = oldVal;
newValue = newVal;
}
/**
* Get the property name. May be null if multiple properties changed.
*
* @return the property name
*/
public String getPropertyName()
{
return propertyName;
}
/**
* Get the property's new value. May be null if multiple properties changed.
*
* @return the property's new value
*/
public Object getNewValue()
{
return newValue;
}
/**
* Get the property's old value. May be null if multiple properties changed.
*
* @return the property's old value
*/
public Object getOldValue()
{
return oldValue;
}
/**
* 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
* @see #getPropagationId()
*/
public void setPropagationId(Object propagationId)
{
this.propagationId = propagationId;
}
/**
* Get the propagation ID. Right now, it is not used for anything.
*
* @return the propagation ID
* @see #setPropagationId(Object)
*/
public Object getPropagationId()
{
return propagationId;
}
/**
* Utility method to rollback a change.
*
* @param event the event to rollback
* @return a new event with old and new swapped
*/
PropertyChangeEvent rollback()
{
PropertyChangeEvent result
= new PropertyChangeEvent(source, propertyName, newValue, oldValue);
result.propagationId = propagationId;
return result;
}
} // class PropertyChangeEvent
libjava/java/beans/PropertyChangeListener.java
/* java.beans.PropertyChangeListener
Copyright (C) 1998, 2000 Free Software Foundation, Inc.
/* PropertyChangeListener.java -- listen for changes in a bound property
Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
......@@ -7,7 +7,7 @@ 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
......@@ -41,22 +41,21 @@ package java.beans;
import java.util.EventListener;
/**
** PropertyChangeListener allows a class to monitor
** properties of a Bean for changes.<P>
**
** A propertyChange() event will only be fired
** <EM>after</EM> the property has changed.
**
** @author John Keiser
** @since JDK1.1
** @version 1.1.0, 29 Jul 1998
** @see java.beans.PropertyChangeSupport
**/
* PropertyChangeListener allows a class to monitor properties of a Bean for
* changes. A propertyChange() event will only be fired <em>after</em> the
* property has changed.
*
* @author John Keiser
* @see PropertyChangeSupport
* @since 1.1
* @status updated to 1.4
*/
public interface PropertyChangeListener extends EventListener
{
/** Fired after a Bean's property has changed.
** @param e the change (containing the old and new values)
**/
public abstract void propertyChange(PropertyChangeEvent e);
}
/**
* Fired after a Bean's property has changed.
*
* @param e the change (containing the old and new values)
*/
void propertyChange(PropertyChangeEvent e);
} // interface PropertyChangeListener
libjava/java/beans/PropertyChangeListenerProxy.java 0 → 100644
/* PropertyChangeListenerProxy.java -- adds a name to a property listener
Copyright (C) 2002 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.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.beans;
import java.util.EventListenerProxy;
/**
* This class provides an extension to <code>PropertyChangeListener</code> -
* associating a name with the listener. This can be used to filter the
* changes that one is interested in.
*
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.4
* @status udpated to 1.4
*/
public class PropertyChangeListenerProxy extends EventListenerProxy
implements PropertyChangeListener
{
/**
* The name of the property to listen for. Package visible for use by
* PropertyChangeSupport.
*/
final String propertyName;
/**
* Create a new proxy which filters property change events and only passes
* changes to the named property on to the delegate. A null propertyName
* or listener does not fail now, but may cause a NullPointerException down
* the road.
*
* @param propertyName the property's name to filter on
* @param listener the delegate listener
*/
public PropertyChangeListenerProxy(String propertyName,
PropertyChangeListener listener)
{
super(listener);
this.propertyName = propertyName;
}
/**
* Forwards the event on to the delegate if the property name matches.
*
* @param event the event to pass on, if it meets the filter
* @throws NullPointerException if the delegate this was created with is null
*/
public void propertyChange(PropertyChangeEvent event)
{
// Note: Sun does not filter, under the assumption that since
// PropertyChangeSupport unwraps proxys, this method should never be
// called by normal use of listeners.
String name = event == null ? null : event.getPropertyName();
if (name == null ? propertyName == null : name.equals(propertyName))
((PropertyChangeListener) getListener()).propertyChange(event);
}
/**
* Gets the name of the property this proxy is filtering on.
*
* @return the property name
*/
public String getPropertyName()
{
return propertyName;
}
} // class PropertyChangeListenerProxy
libjava/java/beans/VetoableChangeListener.java
/* java.beans.VetoableChangeListener
Copyright (C) 1998, 2000 Free Software Foundation, Inc.
/* VetoableChangeListener.java -- listen for a change which can be vetoed
Copyright (C) 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
......@@ -7,7 +7,7 @@ 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
......@@ -41,37 +41,33 @@ package java.beans;
import java.util.EventListener;
/**
** VetoableChangeListener allows a class to monitor
** proposed changes to properties of a Bean and, if
** desired, prevent them from occurring.<P>
**
** A vetoableChange() event will be fired <EM>before</EM>
** the property has changed. If any listener rejects the
** change by throwing the PropertyChangeException, a new
** vetoableChange() event will be fired to all listeners
** who received a vetoableChange() event in the first
** place informing them of a reversion to the old value.
** The value, of course, never actually changed.<P>
**
** <STRONG>Note:</STRONG> This class may not be reliably
** used to determine whether a property has actually
** changed. Use the PropertyChangeListener interface
** for that instead.
**
** @author John Keiser
** @version 1.1.0, 29 Jul 1998
** @since JDK1.1
** @see java.beans.PropertyChangeListener
** @see java.beans.VetoableChangeSupport
**/
* VetoableChangeListener allows a class to monitor proposed changes to
* properties of a Bean and, if desired, prevent them from occurring. A
* vetoableChange() event will be fired <em>after</em> the property change has
* been requested, but before it is permanent. If any listener rejects the
* change by throwing the PropertyChangeException, a new vetoableChange()
* event will be fired to all listeners who received a vetoableChange() event
* in the first place, informing them to revert back to the old value. Thus,
* the listener that threw the exception the first time should be prepared
* to rethrow it the second time. The value, of course, never actually changed.
*
* <p><strong>Note:</strong> This class may not be reliably used to determine
* whether a property has actually changed. Use the PropertyChangeListener
* interface for that instead.
*
* @author John Keiser
* @see java.beans.PropertyChangeListener
* @see java.beans.VetoableChangeSupport
* @since 1.1
* @status updated to 1.4
*/
public interface VetoableChangeListener extends EventListener
{
/** Fired before a Bean's property changes.
** @param e the change (containing the old and new values)
** @exception PropertyChangeException if the listener
** does not desire the change to be made.
**/
public abstract void vetoableChange(PropertyChangeEvent e)
throws PropertyVetoException;
}
/**
* Fired before a Bean's property changes.
*
* @param e the change (containing the old and new values)
* @throws PropertyVetoException if the change is vetoed by the listener
*/
void vetoableChange(PropertyChangeEvent e) throws PropertyVetoException;
} // interface VetoableChangeListener
libjava/java/beans/VetoableChangeListenerProxy.java 0 → 100644
/* VetoableChangeListenerProxy.java -- adds a name to a vetoable listener
Copyright (C) 2002 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.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.beans;
import java.util.EventListenerProxy;
/**
* This class provides an extension to <code>VetoableChangeListener</code> -
* associating a name with the listener. This can be used to filter the
* changes that one is interested in.
*
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.4
* @status udpated to 1.4
*/
public class VetoableChangeListenerProxy extends EventListenerProxy
implements VetoableChangeListener
{
/**
* The name of the property to listen for. Package visible for use by
* VetoableChangeSupport.
*/
final String propertyName;
/**
* Create a new proxy which filters property change events and only passes
* changes to the named property on to the delegate.
*
* @param propertyName the property's name to filter on
* @param listener the delegate listener
*/
public VetoableChangeListenerProxy(String propertyName,
VetoableChangeListener listener)
{
super(listener);
this.propertyName = propertyName;
}
/**
* Forwards the event on to the delegate if the property name matches.
*
* @param event the event to pass on, if it meets the filter
* @throws NullPointerException if the delegate this was created with is null
* @throws PropertyVetoException if the change is vetoed by the listener
*/
public void vetoableChange(PropertyChangeEvent event)
throws PropertyVetoException
{
// Note: Sun does not filter, under the assumption that since
// VetoableChangeSupport unwraps proxys, this method should never be
// called by normal use of listeners.
String name = event == null ? null : event.getPropertyName();
if (name == null ? propertyName == null : name.equals(propertyName))
((VetoableChangeListener) getListener()).vetoableChange(event);
}
/**
* Gets the name of the property this proxy is filtering on.
*
* @return the property name
*/
public String getPropertyName()
{
return propertyName;
}
} // class VetoableChangeListenerProxy
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