PropertyEvent.java |
/*************************************** * * * JBoss: The OpenSource J2EE WebOS * * * * Distributable under LGPL license. * * See terms of license at gnu.org. * * * ***************************************/ package org.jboss.util.property; import java.util.EventObject; import org.jboss.util.NullArgumentException; /** * A property event. * * @version <tt>$Revision: 1.1 $</tt> * @author <a href="mailto:jason@planet57.com">Jason Dillon</a> */ public class PropertyEvent extends EventObject { /** Property name. */ protected final String name; /** Property value. */ protected final String value; /** * Construct a new <tt>PropertyEvent</tt>. * * @param source The source of the event. * @param name The property name effected. * @param value The value of the property effected. * * @throws NullArgumentException Name or source is <tt>null</tt>. */ public PropertyEvent(final Object source, final String name, final String value) { super(source); if (name == null) throw new NullArgumentException("name"); // value can be null this.name = name; this.value = value; } /** * Construct a new <tt>PropertyEvent</tt>. * * @param source The source of the event. * @param name The property name effected. * * @throws NullArgumentException Name or source is <tt>null</tt>. */ public PropertyEvent(Object source, String name) { this(source, name, null); } /** * Get the name of the property that is effected. * * @return Property name. */ public final String getPropertyName() { return name; } /** * Get the value of the property that is effected. * * @return The value of the property that is effected or <tt>null</tt>. */ public final String getPropertyValue() { return value; } /** * Return a string representation of this event. * * @return A string representation of this event. */ public String toString() { return super.toString() + "{ name=" + name + ", value=" + value + " }"; } }
PropertyEvent.java |