src/java.base/share/classes/java/io/StringBufferInputStream.java

rev 15357 : imported patch 8163517-Various-cleanup-in-java-io-code

@@ -106,10 +106,11 @@
      * @param      len   the maximum number of bytes read.
      * @return     the total number of bytes read into the buffer, or
      *             <code>-1</code> if there is no more data because the end of
      *             the stream has been reached.
      */
+    @SuppressWarnings("deprecation")
     public synchronized int read(byte b[], int off, int len) {
         if (b == null) {
             throw new NullPointerException();
         } else if ((off < 0) || (off > b.length) || (len < 0) ||
                    ((off + len) > b.length) || ((off + len) < 0)) {

@@ -124,16 +125,11 @@
             len = avail;
         }
         if (len <= 0) {
             return 0;
         }
-        String  s = buffer;
-        int cnt = len;
-        while (--cnt >= 0) {
-            b[off++] = (byte)s.charAt(pos++);
-        }
-
+        buffer.getBytes(pos, pos + len, b, off);
         return len;
     }
 
     /**
      * Skips <code>n</code> bytes of input from this input stream. Fewer