[CCR] Added auto follow patterns feature

server/src/main/java/org/elasticsearch/common/regex/Regex.java

@@ -139,18 +139,12 @@ public static boolean simpleMatch(String[] patterns, String str) {
     }
 
     /**
-     * Similar to {@link #simpleMatch(String[], String)}, but accepts a list of strings instead of an array of strings
-     * for the patterns to match.
+     * Similar to {@link #simpleMatch(String[], String)}, but accepts a list of strings instead of an array of strings for the patterns to
+     * match.
      */
-    public static boolean simpleMatch(List<String> patterns, String str) {
-        if (patterns != null) {
-            for (String pattern : patterns) {
-                if (simpleMatch(pattern, str)) {
-                    return true;
-                }
-            }
-        }
-        return false;
+    public static boolean simpleMatch(final List<String> patterns, final String str) {
+        // #simpleMatch(String[], String) is likely to be inlined into this method
+        return patterns != null && simpleMatch(patterns.toArray(Strings.EMPTY_ARRAY), str);
     }
 
     public static boolean simpleMatch(String[] patterns, String[] types) {