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From elecha...@apache.org
Subject svn commit: r536633 - /directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/util/StringTools.java
Date Wed, 09 May 2007 19:59:03 GMT
Author: elecharny
Date: Wed May  9 12:59:02 2007
New Revision: 536633

URL: http://svn.apache.org/viewvc?view=rev&rev=536633
Log:
Added a method to build an AttributeType from a byte array.
Added a method to build a String from an ascii byte array 

Modified:
    directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/util/StringTools.java

Modified: directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/util/StringTools.java
URL: http://svn.apache.org/viewvc/directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/util/StringTools.java?view=diff&rev=536633&r1=536632&r2=536633
==============================================================================
--- directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/util/StringTools.java
(original)
+++ directory/shared/trunk/ldap/src/main/java/org/apache/directory/shared/ldap/util/StringTools.java
Wed May  9 12:59:02 2007
@@ -289,6 +289,43 @@
               0,   0,   0,   0,   0,   0,   0,   0, 
               0,   0,   0,   0,   0,   0,   0,   0 
         };
+    
+    private static final char[] TO_LOWER_CASE =
+    {
+    	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    	0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+    	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    	0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
+    	' ',  0x21, 0x22, 0x23, 0x24, 0x25, 0x26, '\'',
+    	'(',  ')',  0x2A, '+',  ',',  '-',  '.',  '/',
+    	'0',  '1',  '2',  '3',  '4',  '5',  '6',  '7',  
+    	'8',  '9',  ':',  0x3B, 0x3C, '=',  0x3E, '?',
+    	0x40, 'a',  'b',  'c',  'd',  'e',  'f',  'g', 
+    	'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
+    	'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
+    	'x',  'y',  'z',  0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
+    	0x60, 'a',  'b',  'c',  'd',  'e',  'f',  'g',
+    	'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
+    	'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
+    	'x',  'y',  'z',  0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
+    	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+    	0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
+    	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+    	0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
+    	0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
+    	0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
+    	0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7,
+    	0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
+    	0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
+    	0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
+    	0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
+    	0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
+    	0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
+    	0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
+    	0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
+    	0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF,
+    };
+    
 
     /** upperCase = 'A' .. 'Z', '0'..'9', '-' */
     private static final char[] UPPER_CASE =
@@ -2826,6 +2863,32 @@
         return str.toLowerCase();
     }
 
+    /**
+     * Rewrote the toLowercase method to improve performances.
+     * In Ldap, attributesType are supposed to use ASCII chars :
+     * 'a'-'z', 'A'-'Z', '0'-'9', '.' and '-' only. We will take
+     * care of any other chars either.
+     * 
+     * @param str The String to lowercase
+     * @return The lowercase string
+     */
+    public static final String lowerCaseAscii( String str )
+    {
+        if ( str == null )
+        {
+            return null;
+        }
+     
+        char[] chars = str.toCharArray();
+        int pos = 0;
+        
+        for ( char c:chars )
+        {
+        	chars[pos++] = TO_LOWER_CASE[c];
+        }
+        
+        return new String( chars );
+    }
 
     // Equals
     // -----------------------------------------------------------------------
@@ -2885,7 +2948,6 @@
         }
     }
 
-
     /**
      * Return an UTF-8 encoded String
      * 
@@ -3239,6 +3301,31 @@
         }
         
         return new String( result );
+    }
+    
+    /**
+     * Build an AttributeType froma byte array. An AttributeType contains
+     * only chars within [0-9][a-z][A-Z][-.].
+     *  
+     * @param bytes The bytes containing the AttributeType
+     * @return The AttributeType as a String
+     */
+    public static String getType( byte[] bytes)
+    {
+    	if ( bytes == null )
+    	{
+    		return null;
+    	}
+    	
+    	char[] chars = new char[bytes.length];
+        int pos = 0;
+        
+        for ( byte b:bytes )
+        {
+        	chars[pos++] = TO_LOWER_CASE[b];
+        }
+        
+        return new String( chars );
     }
     
     /**



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