Refactored filename filter into static class

hammerhead · Dec 4, 2011 · e202725 · e202725
1 parent 65b5b2b
commit e202725
Showing 1 changed file with 11 additions and 6 deletions.
diff --git a/src/main/java/de/kabambo/maven/optipng/OptimizePngMojo.java b/src/main/java/de/kabambo/maven/optipng/OptimizePngMojo.java
@@ -92,6 +92,16 @@ public OptimizePngMojo() {
         pool = Executors.newCachedThreadPool();
     }
 
+    /**
+     * A filename filter for PNG files.
+     */
+    private static class PngFilenameFilter implements FilenameFilter {
+        @Override
+        public boolean accept(final File dir, final String name) {
+            return name.endsWith(PNG_SUFFIX);
+        }
+    }
+
     /**
      * Executes the mojo.
      *
@@ -123,12 +133,7 @@ public void execute() throws MojoExecutionException {
                     "The path %s is not a directory.", directory));
             }
 
-            File[] containedImages = d.listFiles(new FilenameFilter() {
-                @Override
-                public boolean accept(final File dir, final String name) {
-                    return name.endsWith(PNG_SUFFIX);
-                }
-            });
+            File[] containedImages = d.listFiles(new PngFilenameFilter());
 
             numberImages += containedImages.length;
             for (File image : containedImages) {