jdk/src/java.base/share/classes/sun/text/normalizer/ReplaceableString.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -23,17 +23,12 @@
  * questions.
  */
 
 /*
  *******************************************************************************
- * (C) Copyright IBM Corp. 1996-2005 - All Rights Reserved                     *
- *                                                                             *
- * The original version of this source code and documentation is copyrighted   *
- * and owned by IBM, These materials are provided under terms of a License     *
- * Agreement between IBM and Sun. This technology is protected by multiple     *
- * US and International patents. This notice and attribution to IBM may not    *
- * to removed.                                                                 *
+ * Copyright (C) 1996-2009, International Business Machines Corporation and    *
+ * others. All Rights Reserved.                                                *
  *******************************************************************************
  */
 
 package sun.text.normalizer;
 

@@ -49,11 +44,11 @@
  *
  * @see Replaceable
  * @author Alan Liu
  * @stable ICU 2.0
  */
-public class ReplaceableString implements Replaceable {
+class ReplaceableString implements Replaceable {
 
     private StringBuffer buf;
 
     /**
      * Construct a new object with the given initial contents.

@@ -62,11 +57,10 @@
      */
     public ReplaceableString(String str) {
         buf = new StringBuffer(str);
     }
 
-    //// for StringPrep
     /**
      * Construct a new object using <code>buf</code> for internal
      * storage.  The contents of <code>buf</code> at the time of
      * construction are used as the initial contents.  <em>Note!
      * Modifications to <code>buf</code> will modify this object, and

@@ -96,11 +90,10 @@
      */
     public char charAt(int offset) {
         return buf.charAt(offset);
     }
 
-    //// for StringPrep
     /**
      * Copies characters from this object into the destination
      * character array.  The first character to be copied is at index
      * <code>srcStart</code>; the last character to be copied is at
      * index <code>srcLimit-1</code> (thus the total number of

@@ -116,8 +109,10 @@
      * @param dst the destination array.
      * @param dstStart the start offset in the destination array.
      * @stable ICU 2.0
      */
     public void getChars(int srcStart, int srcLimit, char dst[], int dstStart) {
-        Utility.getChars(buf, srcStart, srcLimit, dst, dstStart);
+        if (srcStart != srcLimit) {
+            buf.getChars(srcStart, srcLimit, dst, dstStart);
+        }
     }
 }