X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fnet%2Fpterodactylus%2Futil%2Fbeans%2FAbstractBean.java;h=b2da7324962fc4837db538da71205d703fdc0a44;hb=e1e349bae97feb779fc692eb03c2fea0e0e612c9;hp=53fe69091e41a2d1ebd79945a1f0acf6d253f9a0;hpb=fffb06b094d47ecb7d0282fade99e2d2f109fcbf;p=jSite2.git

diff --git a/src/net/pterodactylus/util/beans/AbstractBean.java b/src/net/pterodactylus/util/beans/AbstractBean.java
index 53fe690..b2da732 100644
--- a/src/net/pterodactylus/util/beans/AbstractBean.java
+++ b/src/net/pterodactylus/util/beans/AbstractBean.java
@@ -29,7 +29,6 @@ import java.util.List;
  * Abstract bean super class that contains property change listener management.
  * 
  * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
- * @version $Id$
  */
 public abstract class AbstractBean {
 
@@ -75,6 +74,26 @@ public abstract class AbstractBean {
 	}
 
 	/**
+	 * Fires a property change event if the two values are not equal.
+	 * 
+	 * @param propertyName
+	 *            The name of the property
+	 * @param oldValue
+	 *            The old value of the property
+	 * @param newValue
+	 *            The new value of the property
+	 */
+	protected void fireIfPropertyChanged(String propertyName, Object oldValue, Object newValue) {
+		if (!equal(oldValue, newValue)) {
+			firePropertyChange(propertyName, oldValue, newValue);
+		}
+	}
+
+	//
+	// PRIVATE METHODS
+	//
+
+	/**
 	 * Compares the two objects and returns whether they are equal according to
 	 * {@link Object#equals(Object)}. This method takes <code>null</code>
 	 * into account as a valid value for an object.
@@ -86,7 +105,7 @@ public abstract class AbstractBean {
 	 * @return <code>true</code> if the two objects are equal,
 	 *         <code>false</code> otherwise
 	 */
-	protected boolean equal(Object first, Object second) {
+	private boolean equal(Object first, Object second) {
 		return ((first == null) && (second == null)) || ((first != null) && first.equals(second)) || ((second != null) && second.equals(first));
 	}