Added some lambda

Author: tweimer

src/main/java/com/mergebase/log4j/Log4JDetector.java

@@ -217,20 +217,17 @@ private static boolean isZipSentinel(int[] chunk) {
         return chunk[0] == 0x50 && chunk[1] == 0x4B && chunk[2] == 3 && chunk[3] == 4;
     }
 
-    private static final Comparator<File> FILES_ORDER_BY_NAME = new Comparator<>() {
-        @Override
-        public int compare(File f1, File f2) {
-            String s1 = f1 != null ? f1.getName() : "";
-            String s2 = f2 != null ? f2.getName() : "";
-            int c = s1.compareToIgnoreCase(s2);
-            if (c == 0) {
-                c = s1.compareTo(s2);
-                if (c == 0 && f1 != null) {
-                    c = f1.compareTo(f2);
-                }
+    private static final Comparator<File> FILES_ORDER_BY_NAME = (f1, f2) -> {
+        String s1 = f1 != null ? f1.getName() : "";
+        String s2 = f2 != null ? f2.getName() : "";
+        int c = s1.compareToIgnoreCase(s2);
+        if (c == 0) {
+            c = s1.compareTo(s2);
+            if (c == 0 && f1 != null) {
+                c = f1.compareTo(f2);
             }
-            return c;
         }
+        return c;
     };
 
     /**

src/main/java/com/mergebase/log4j/VersionComparator.java

@@ -150,14 +150,7 @@ private static String[] subSplit(String s) {
     }
 
     public static Comparator<String> comparatorBySimilarity(final String anchor) {
-        return new Comparator<>() {
-            @Override
-            public int compare(String o1, String o2) {
-                int i1 = similarity(anchor, o1);
-                int i2 = similarity(anchor, o2);
-                return Integer.compare(i1, i2);
-            }
-        };
+        return Comparator.comparingInt(s -> similarity(anchor, s));
     }
 
     public static int similarity(String s1, String s2) {