make the backend an interface

rbri · rbri · commit 737bd0e35690 · 2026-07-19T16:09:33.000+02:00
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
@@ -8,6 +8,9 @@
 
     <body>
         <release version="5.4.0" date="August xx, 2026" description="Chrome/Edge 150, Bugfixes">
+            <action type="update" dev="rhino">
+                The url/anchor hostname setter handling got some fixes.
+            </action>
             <action type="update" dev="rbri" due-to="Lai Quang Duong">
                 core-js: support for a common workaround for subclassing built-in objects (like Set) without
                 using ES6 class/extends syntax, by using Reflect.construct() with a newTarget argument added.
diff --git a/src/main/java/org/htmlunit/javascript/host/file/Blob.java b/src/main/java/org/htmlunit/javascript/host/file/Blob.java
@@ -61,44 +61,44 @@ public class Blob extends HtmlUnitScriptable {
     /**
      * The backend used for saving the blob.
      */
-    protected abstract static class Backend implements Serializable {
+    protected interface Backend extends Serializable {
 
         /**
          * Returns the name.
          *
          * @return the name
          */
-        abstract String getName();
+        String getName();
 
         /**
          * Returns the last modified timestamp as long.
          *
          * @return the last modified timestamp as long
          */
-        abstract long getLastModified();
+        long getLastModified();
 
         /**
          * Returns the size.
          *
          * @return the size
          */
-        abstract long getSize();
+        long getSize();
 
         /**
          * Returns the type.
          *
          * @param browserVersion the {@link BrowserVersion}
          * @return the type
          */
-        abstract String getType(BrowserVersion browserVersion);
+        String getType(BrowserVersion browserVersion);
 
         /**
          * Returns the text.
          *
          * @return the text
          * @throws IOException in case of error
          */
-        abstract String getText() throws IOException;
+        String getText() throws IOException;
 
         /**
          * Returns the bytes.
@@ -107,14 +107,7 @@ protected abstract static class Backend implements Serializable {
          * @param end the end position
          * @return the bytes
          */
-        abstract byte[] getBytes(int start, int end);
-
-        /**
-         * Ctor.
-         */
-        Backend() {
-            // to make it package protected
-        }
+        byte[] getBytes(int start, int end);
 
         /**
          * Returns the KeyDataPair for this Blob/File.
@@ -124,14 +117,14 @@ protected abstract static class Backend implements Serializable {
          * @param contentType the content type
          * @return the KeyDataPair to hold the data
          */
-        abstract KeyDataPair getKeyDataPair(String name, String fileName, String contentType);
+        KeyDataPair getKeyDataPair(String name, String fileName, String contentType);
     }
 
     /**
      * Implementation of the {@link Backend} that stores the bytes in memory.
      *
      */
-    protected static class InMemoryBackend extends Backend {
+    protected static class InMemoryBackend implements Backend {
         private final String fileName_;
         private final String type_;
         private final long lastModified_;
diff --git a/src/main/java/org/htmlunit/javascript/host/file/File.java b/src/main/java/org/htmlunit/javascript/host/file/File.java
@@ -50,7 +50,7 @@ public class File extends Blob {
     private static final DateTimeFormatter LAST_MODIFIED_DATE_FORMATTER
                             = DateTimeFormatter.ofPattern("EEE MMM dd yyyy HH:mm:ss 'GMT'Z");
 
-    private static class FileBackend extends Backend {
+    private static class FileBackend implements Backend {
         private static final Log LOG = LogFactory.getLog(FileBackend.class);
 
         private final java.io.File file_;
@@ -86,7 +86,7 @@ public String getText() throws IOException {
         }
 
         @Override
-        byte[] getBytes(final int start, final int end) {
+        public byte[] getBytes(final int start, final int end) {
             final byte[] result = new byte[end - start];
             try {
                 System.arraycopy(FileUtils.readFileToByteArray(file_), start, result, 0, result.length);
