svn commit: r1449045 - /directory/shared/trunk/util/src/main/java/org/apache/directory/api/util/Strings.java

[pa...@apache.org]

Author: pamarcelot
Date: Fri Feb 22 13:56:14 2013
New Revision: 1449045

URL: http://svn.apache.org/r1449045
Log:
Added utility method for chars.

Modified:
    directory/shared/trunk/util/src/main/java/org/apache/directory/api/util/Strings.java

Modified: directory/shared/trunk/util/src/main/java/org/apache/directory/api/util/Strings.java
URL: http://svn.apache.org/viewvc/directory/shared/trunk/util/src/main/java/org/apache/directory/api/util/Strings.java?rev=1449045&r1=1449044&r2=1449045&view=diff
==============================================================================
--- directory/shared/trunk/util/src/main/java/org/apache/directory/api/util/Strings.java (original)
+++ directory/shared/trunk/util/src/main/java/org/apache/directory/api/util/Strings.java Fri Feb 22 13:56:14 2013
@@ -938,7 +938,6 @@ public final class Strings
      */
     public static int areEquals( byte[] bytes, int index, byte[] bytes2 )
     {
-
         if ( ( bytes == null ) || ( bytes.length == 0 ) || ( bytes.length <= index ) || ( index < 0 )
             || ( bytes2 == null ) || ( bytes2.length == 0 )
             || ( bytes2.length > ( bytes.length + index ) ) )
@@ -1545,6 +1544,33 @@ public final class Strings
 
 
     /**
+     * Get the char at a given position in a byte array, checking for limits
+     *
+     * @param chars The char[] which contains the data
+     * @param index Current position in the char[]
+     * @return The byte at the given position, or '\0' if something went wrong
+     */
+    public static char charAt( char[] chars, int index )
+    {
+        if ( chars == null )
+        {
+            return '\0';
+        }
+
+        int length = chars.length;
+
+        if ( ( length == 0 ) || ( index < 0 ) || ( index >= length ) )
+        {
+            return '\0';
+        }
+        else
+        {
+            return chars[index];
+        }
+    }
+
+
+    /**
      * Thansform an array of ASCII bytes to a string. the byte array should contains
      * only values in [0, 127].
      *