Consistent non-use of firstIndex 0 in PatternMatchUtils

Closes gh-22837

Author: jhoeller

spring-core/src/main/java/org/springframework/util/PatternMatchUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,15 +39,17 @@ public static boolean simpleMatch(@Nullable String pattern, @Nullable String str
 		if (pattern == null || str == null) {
 			return false;
 		}
+
 		int firstIndex = pattern.indexOf('*');
 		if (firstIndex == -1) {
 			return pattern.equals(str);
 		}
+
 		if (firstIndex == 0) {
 			if (pattern.length() == 1) {
 				return true;
 			}
-			int nextIndex = pattern.indexOf('*', firstIndex + 1);
+			int nextIndex = pattern.indexOf('*', 1);
 			if (nextIndex == -1) {
 				return str.endsWith(pattern.substring(1));
 			}
@@ -64,6 +66,7 @@ public static boolean simpleMatch(@Nullable String pattern, @Nullable String str
 			}
 			return false;
 		}
+
 		return (str.length() >= firstIndex &&
 				pattern.substring(0, firstIndex).equals(str.substring(0, firstIndex)) &&
 				simpleMatch(pattern.substring(firstIndex), str.substring(firstIndex)));