marked as @FunctionalInterface

rbri · rbri · commit bd1af9758dbb · 2025-04-30T09:51:34.000+02:00
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
@@ -8,6 +8,10 @@
 
     <body>
         <release version="4.12.0" date="April xx, 2025" description="Chrome/Edge 135, Firefox 137, Rhino RegExp, Bugfixes">
+            <action type="update" dev="rbri">
+                AlertHandler, ConfirmHandler, FrameContentHandler, CharacterDataChangeListener, and IncorrectnessListener
+                marked as @FunctionalInterface.
+            </action>
             <action type="update" dev="rbri">
                 Upgrade Apache commons-io to 2.19.0.
             </action>
diff --git a/src/main/java/org/htmlunit/AlertHandler.java b/src/main/java/org/htmlunit/AlertHandler.java
@@ -23,6 +23,7 @@
  * @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
  * @author Ronald Brill
  */
+@FunctionalInterface
 public interface AlertHandler extends Serializable {
 
     /**
diff --git a/src/main/java/org/htmlunit/ConfirmHandler.java b/src/main/java/org/htmlunit/ConfirmHandler.java
@@ -21,7 +21,9 @@
  * are triggered when the JavaScript function <code>window.confirm()</code> is invoked.
  *
  * @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
+ * @author Ronald Brill
  */
+@FunctionalInterface
 public interface ConfirmHandler extends Serializable {
 
     /**
diff --git a/src/main/java/org/htmlunit/FrameContentHandler.java b/src/main/java/org/htmlunit/FrameContentHandler.java
@@ -23,6 +23,7 @@
  *
  * @author Ronald Brill
  */
+@FunctionalInterface
 public interface FrameContentHandler {
 
     /**
diff --git a/src/main/java/org/htmlunit/IncorrectnessListener.java b/src/main/java/org/htmlunit/IncorrectnessListener.java
@@ -20,7 +20,9 @@
  * that HtmlUnit can handle but that denote a badly written application.
  *
  * @author Marc Guillemot
+ * @author Ronald Brill
  */
+@FunctionalInterface
 public interface IncorrectnessListener {
 
     /**
diff --git a/src/main/java/org/htmlunit/html/CharacterDataChangeListener.java b/src/main/java/org/htmlunit/html/CharacterDataChangeListener.java
@@ -20,8 +20,10 @@
  * Implementations of this interface receive notifications of changes to the Character Data.
  *
  * @author Ahmed Ashour
+ * @author Ronald Brill
  * @see CharacterDataChangeEvent
  */
+@FunctionalInterface
 public interface CharacterDataChangeListener extends Serializable {
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,9 @@`
`21`	`21`	`* are triggered when the JavaScript function <code>window.confirm()</code> is invoked.`
`22`	`22`	`*`
`23`	`23`	`* @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>`
	`24`	`+ * @author Ronald Brill`
`24`	`25`	`*/`
	`26`	`+@FunctionalInterface`
`25`	`27`	`public interface ConfirmHandler extends Serializable {`
`26`	`28`
`27`	`29`	`/**`
Original file line number	Diff line number	Diff line change
`@@ -23,6 +23,7 @@`
`23`	`23`	`*`
`24`	`24`	`* @author Ronald Brill`
`25`	`25`	`*/`
	`26`	`+@FunctionalInterface`
`26`	`27`	`public interface FrameContentHandler {`
`27`	`28`
`28`	`29`	`/**`
Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,9 @@`
`20`	`20`	`* that HtmlUnit can handle but that denote a badly written application.`
`21`	`21`	`*`
`22`	`22`	`* @author Marc Guillemot`
	`23`	`+ * @author Ronald Brill`
`23`	`24`	`*/`
	`25`	`+@FunctionalInterface`
`24`	`26`	`public interface IncorrectnessListener {`
`25`	`27`
`26`	`28`	`/**`