[JENKINS-53177] - Promote ConsoleAnnotatorAggregator to try to fix Anonymous complaint (#3598)

JENKINS-53177

core/src/main/java/hudson/console/ConsoleAnnotator.java

@@ -91,41 +91,42 @@ public abstract class ConsoleAnnotator<T> implements Serializable {
         return (ConsoleAnnotator)a;
     }
 
-    /**
-     * Bundles all the given {@link ConsoleAnnotator} into a single annotator.
-     */
-    public static <T> ConsoleAnnotator<T> combine(Collection<? extends ConsoleAnnotator<? super T>> all) {
-        switch (all.size()) {
-        case 0:     return null;    // none
-        case 1:     return  cast(all.iterator().next()); // just one
-        }
-
-        class Aggregator extends ConsoleAnnotator<T> {
-            List<ConsoleAnnotator<T>> list;
+    private static final class ConsoleAnnotatorAggregator<T> extends ConsoleAnnotator<T> {
+        List<ConsoleAnnotator<T>> list;
 
-            Aggregator(Collection list) {
-                this.list = new ArrayList<ConsoleAnnotator<T>>(list);
-            }
+        ConsoleAnnotatorAggregator(Collection list) {
+            this.list = new ArrayList<ConsoleAnnotator<T>>(list);
+        }
 
-            public ConsoleAnnotator annotate(T context, MarkupText text) {
-                ListIterator<ConsoleAnnotator<T>> itr = list.listIterator();
-                while (itr.hasNext()) {
-                    ConsoleAnnotator a =  itr.next();
-                    ConsoleAnnotator b = a.annotate(context,text);
-                    if (a!=b) {
-                        if (b==null)    itr.remove();
-                        else            itr.set(b);
-                    }
+        public ConsoleAnnotator annotate(T context, MarkupText text) {
+            ListIterator<ConsoleAnnotator<T>> itr = list.listIterator();
+            while (itr.hasNext()) {
+                ConsoleAnnotator a =  itr.next();
+                ConsoleAnnotator b = a.annotate(context,text);
+                if (a!=b) {
+                    if (b==null)    itr.remove();
+                    else            itr.set(b);
                 }
+            }
 
-                switch (list.size()) {
+            switch (list.size()) {
                 case 0:     return null;    // no more annotator left
                 case 1:     return list.get(0); // no point in aggregating
                 default:    return this;
-                }
             }
         }
-        return new Aggregator(all);
+    }
+
+    /**
+     * Bundles all the given {@link ConsoleAnnotator} into a single annotator.
+     */
+    public static <T> ConsoleAnnotator<T> combine(Collection<? extends ConsoleAnnotator<? super T>> all) {
+        switch (all.size()) {
+        case 0:     return null;    // none
+        case 1:     return  cast(all.iterator().next()); // just one
+        }
+
+        return new ConsoleAnnotatorAggregator<T>(all);
     }
 
     /**