diff -r 5198affdb915 -r d382dacfd73f rt/emul/compact/src/main/java/java/beans/PropertyChangeEvent.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rt/emul/compact/src/main/java/java/beans/PropertyChangeEvent.java Tue Feb 26 16:54:16 2013 +0100 @@ -0,0 +1,164 @@ +/* + * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package java.beans; + +/** + * A "PropertyChange" event gets delivered whenever a bean changes a "bound" + * or "constrained" property. A PropertyChangeEvent object is sent as an + * argument to the PropertyChangeListener and VetoableChangeListener methods. + *
+ * Normally PropertyChangeEvents are accompanied by the name and the old + * and new value of the changed property. If the new value is a primitive + * type (such as int or boolean) it must be wrapped as the + * corresponding java.lang.* Object type (such as Integer or Boolean). + *
+ * Null values may be provided for the old and the new values if their + * true values are not known. + *
+ * An event source may send a null object as the name to indicate that an
+ * arbitrary set of if its properties have changed. In this case the
+ * old and new values should also be null.
+ */
+
+public class PropertyChangeEvent extends java.util.EventObject {
+ private static final long serialVersionUID = 7042693688939648123L;
+
+ /**
+ * Constructs a new PropertyChangeEvent
.
+ *
+ * @param source The bean that fired the event.
+ * @param propertyName The programmatic name of the property
+ * that was changed.
+ * @param oldValue The old value of the property.
+ * @param newValue The new value of the property.
+ */
+ public PropertyChangeEvent(Object source, String propertyName,
+ Object oldValue, Object newValue) {
+ super(source);
+ this.propertyName = propertyName;
+ this.newValue = newValue;
+ this.oldValue = oldValue;
+ }
+
+ /**
+ * Gets the programmatic name of the property that was changed.
+ *
+ * @return The programmatic name of the property that was changed.
+ * May be null if multiple properties have changed.
+ */
+ public String getPropertyName() {
+ return propertyName;
+ }
+
+ /**
+ * Gets the new value for the property, expressed as an Object.
+ *
+ * @return The new value for the property, expressed as an Object.
+ * May be null if multiple properties have changed.
+ */
+ public Object getNewValue() {
+ return newValue;
+ }
+
+ /**
+ * Gets the old value for the property, expressed as an Object.
+ *
+ * @return The old value for the property, expressed as an Object.
+ * May be null if multiple properties have changed.
+ */
+ public Object getOldValue() {
+ return oldValue;
+ }
+
+ /**
+ * Sets the propagationId object for the event.
+ *
+ * @param propagationId The propagationId object for the event.
+ */
+ public void setPropagationId(Object propagationId) {
+ this.propagationId = propagationId;
+ }
+
+ /**
+ * The "propagationId" field is reserved for future use. In Beans 1.0
+ * the sole requirement is that if a listener catches a PropertyChangeEvent
+ * and then fires a PropertyChangeEvent of its own, then it should
+ * make sure that it propagates the propagationId field from its
+ * incoming event to its outgoing event.
+ *
+ * @return the propagationId object associated with a bound/constrained
+ * property update.
+ */
+ public Object getPropagationId() {
+ return propagationId;
+ }
+
+ /**
+ * name of the property that changed. May be null, if not known.
+ * @serial
+ */
+ private String propertyName;
+
+ /**
+ * New value for property. May be null if not known.
+ * @serial
+ */
+ private Object newValue;
+
+ /**
+ * Previous value for property. May be null if not known.
+ * @serial
+ */
+ private Object oldValue;
+
+ /**
+ * Propagation ID. May be null.
+ * @serial
+ * @see #getPropagationId
+ */
+ private Object propagationId;
+
+ /**
+ * Returns a string representation of the object.
+ *
+ * @return a string representation of the object
+ *
+ * @since 1.7
+ */
+ public String toString() {
+ StringBuilder sb = new StringBuilder(getClass().getName());
+ sb.append("[propertyName=").append(getPropertyName());
+ appendTo(sb);
+ sb.append("; oldValue=").append(getOldValue());
+ sb.append("; newValue=").append(getNewValue());
+ sb.append("; propagationId=").append(getPropagationId());
+ sb.append("; source=").append(getSource());
+ return sb.append("]").toString();
+ }
+
+ void appendTo(StringBuilder sb) {
+ }
+}