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From elecha...@apache.org
Subject svn commit: r359515 - /directory/shared/ldap/branches/DN-refactoring/common/src/main/java/org/apache/ldap/common/name/LdapDN.java
Date Wed, 28 Dec 2005 13:41:42 GMT
Author: elecharny
Date: Wed Dec 28 05:41:39 2005
New Revision: 359515

URL: http://svn.apache.org/viewcvs?rev=359515&view=rev
Log:
- Get rid of LdapString dependency
- Added a normName member which contains the normalized name
- Added a bytes member which contains the UTF-8 byte[] representation of the DN
- Added a toNormeName() method which normalize the DN
- The toString() method which returns the normalized name is modified to give more informations
- The getNormName does the same, but it's the one to be used.
- Added getBytes() and getNbBytes() methods for encoding purpose

Modified:
    directory/shared/ldap/branches/DN-refactoring/common/src/main/java/org/apache/ldap/common/name/LdapDN.java

Modified: directory/shared/ldap/branches/DN-refactoring/common/src/main/java/org/apache/ldap/common/name/LdapDN.java
URL: http://svn.apache.org/viewcvs/directory/shared/ldap/branches/DN-refactoring/common/src/main/java/org/apache/ldap/common/name/LdapDN.java?rev=359515&r1=359514&r2=359515&view=diff
==============================================================================
--- directory/shared/ldap/branches/DN-refactoring/common/src/main/java/org/apache/ldap/common/name/LdapDN.java
(original)
+++ directory/shared/ldap/branches/DN-refactoring/common/src/main/java/org/apache/ldap/common/name/LdapDN.java
Wed Dec 28 05:41:39 2005
@@ -29,7 +29,6 @@
 import javax.naming.Name;
 import javax.naming.NamingException;
 
-import org.apache.ldap.common.LdapString;
 import org.apache.ldap.common.schema.OidNormalizer;
 import org.apache.ldap.common.util.StringTools;
 import org.slf4j.Logger;
@@ -51,7 +50,7 @@
  *
  * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
  */
-public class LdapDN extends LdapString implements Name
+public class LdapDN /*extends LdapString*/ implements Name
 {
     /** The LoggerFactory used by this class */
     private static Logger log = LoggerFactory.getLogger( LdapDN.class );
@@ -76,8 +75,14 @@
     /** The user provided name */
     private String upName;
     
+    /** The normalized name */
+    private String normName;
+    
+    /** The bytes representation of the normName */
+    private byte[] bytes;
+    
     /** A null LdapDN */
-    public transient static final LdapDN EMPTY_LDAPDN = new LdapDN();
+    public static final LdapDN EMPTY_LDAPDN = new LdapDN();
 
     //~ Methods ------------------------------------------------------------------------------------
 
@@ -88,6 +93,7 @@
     {
         super();
         upName = "";
+        normName = ""; 
     }
     
     /**
@@ -146,17 +152,6 @@
     {
         if ( StringTools.isNotEmpty( upName ) )
         {
-            try
-            {
-            	// Here, we just check that the user provided DN is an UTF-8 encoded String
-                string.getBytes( "UTF-8" );
-            }
-            catch ( UnsupportedEncodingException uee )
-            {
-            	log.error( "The byte array is not an UTF-8 encoded Unicode String : " + uee.getMessage()
);
-                throw new InvalidNameException( "The byte array is not an UTF-8 encoded Unicode
String : " + uee.getMessage() );
-            }
-
             DnParser.parseInternal( upName, rdns );
         }
         
@@ -181,8 +176,7 @@
         {
             upName = new String( bytes, "UTF-8" );
             DnParser.parseInternal( upName, rdns );
-            this.string = toString();
-            this.bytes = bytes;
+            this.normName = toNormName();
         }
         catch ( UnsupportedEncodingException uee )
         {
@@ -198,19 +192,19 @@
      */
     private void normalize( String upName )
     {
-        string = toString();
-        bytes = StringTools.getBytesUtf8( this.string );
+    	normName = toNormName();
         this.upName = upName == null ? "" : upName ;
     }
     
     /**
-     * Return the normalized DN as a String,
+     * Build the normalized DN as a String,
      * @return A String representing the normalized DN
      */
-    public String toString()
+    public String toNormName()
     {
         if ( ( rdns == null ) || ( rdns.size() == 0 ) )
         {
+        	bytes = null;
             return "";
         }
         else
@@ -232,11 +226,24 @@
                 sb.append( ( (Rdn)rdns.get( i ) ) );
             }
             
-            return sb.toString();
+            normName = sb.toString(); 
+            bytes = StringTools.getBytesUtf8( normName );
+            
+            return normName;
         }
     }
     
     /**
+     * Return the normalized DN as a String. It returns the same value as the
+     * getNormName method
+     * @return A String representing the normalized DN
+     */
+    public String toString()
+    {
+    	return normName == null ? "" : normName;
+    }
+    
+    /**
      * Return the User Provided DN as a String,
      * @return A String representing the User Provided DN
      */
@@ -388,6 +395,15 @@
     }
 
     /**
+     * Get the initial DN (without normalization) 
+     * @return The DN as a String
+     */
+    public String getNormName()
+    {
+        return ( normName == null ? "" : normName );
+    }
+
+    /**
      * Get the number of NameComponent conatained in this LdapDN
      * 
      * @return The number of NameComponent conatained in this LdapDN
@@ -398,6 +414,24 @@
     }
     
     /**
+     * Get the number of bytes necessary to store this DN
+     * @return A integer, which is the size of the UTF-8 byte array
+     */
+    public int getNbBytes()
+    {
+    	return bytes == null ? 0 : bytes.length;
+    }
+    
+    /**
+     * Get an UTF-8 representation of the normalized form of the DN
+     * @return A byte[] representation of the DN
+     */
+    public byte[] getBytes()
+    {
+    	return bytes;
+    }
+    
+    /**
      * Determines whether this name starts with a specified prefix.
      * A name <tt>name</tt> is a prefix if it is equal to
      * <tt>getPrefix(name.size())</tt>.
@@ -655,8 +689,7 @@
             newLdapDN.rdns.add( ( (Rdn)rdns.get( i ) ).clone() );
         }
 
-        newLdapDN.string = newLdapDN.toString();
-        newLdapDN.bytes = StringTools.getBytesUtf8( newLdapDN.string );
+        newLdapDN.normName = newLdapDN.toNormName();
         newLdapDN.upName = getUpNamePrefix( posn );
         
         return newLdapDN;
@@ -698,8 +731,7 @@
             newLdapDN.rdns.add( ( (Rdn)rdns.get( i ) ).clone() );
         }
 
-        newLdapDN.string = newLdapDN.toString();
-        newLdapDN.bytes = StringTools.getBytesUtf8( newLdapDN.string );
+        newLdapDN.normName = newLdapDN.toNormName();
         newLdapDN.upName = getUpNameSuffix( posn );
 
         return newLdapDN;
@@ -901,7 +933,7 @@
     {
         if ( obj instanceof String )
         {
-            return toString().equals( obj ) ;
+            return normName.equals( obj ) ;
         } 
         else if ( obj instanceof LdapDN )
         {
@@ -1108,6 +1140,8 @@
     		rdn.normalizeString();
     		rdn.setUpName( upName );
     	}
+    	
+    	newDn.normalize( newDn.upName );
     	
     	return newDn;
     }



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