### Eclipse Workspace Patch 1.0
#P james-server-data-ldap
Index: src/main/java/org/apache/james/user/ldap/ReadOnlyUsersLDAPRepository.java
===================================================================
--- src/main/java/org/apache/james/user/ldap/ReadOnlyUsersLDAPRepository.java	(revision 1634685)
+++ src/main/java/org/apache/james/user/ldap/ReadOnlyUsersLDAPRepository.java	(working copy)
@@ -41,6 +41,7 @@
 
 import org.apache.commons.configuration.ConfigurationException;
 import org.apache.commons.configuration.HierarchicalConfiguration;
+import org.apache.commons.lang.StringUtils;
 import org.apache.james.lifecycle.api.Configurable;
 import org.apache.james.lifecycle.api.LogEnabled;
 import org.apache.james.user.api.UsersRepository;
@@ -252,6 +253,12 @@
     private String userObjectClass;
 
     /**
+     * The value of this field is taken from the configuration attribute "filter".
+     * This is the search filter to use to find the desired user. 
+     */
+    private String filter;
+    
+    /**
      * This is the LDAP context/sub-context within which to search for user
      * entities. The value of this field is taken from the configuration
      * attribute "userBase".
@@ -352,6 +359,9 @@
         }
         restriction = new ReadOnlyLDAPGroupRestriction(restrictionConfig);
 
+        //see if there is a filter argument
+        filter = configuration.getString("[@filter]");
+
     }
 
     /**
@@ -534,7 +544,14 @@
 
       StringBuilder builderFilter = new StringBuilder("(&(");
       builderFilter.append(userIdAttribute).append("=").append(name).append(")")
-                   .append("(objectClass=").append(userObjectClass).append("))");
+                   .append("(objectClass=").append(userObjectClass).append(")");
+
+     if(StringUtils.isNotEmpty(filter)){
+    	 builderFilter.append(filter).append(")");
+    	 }
+     else{
+    	 builderFilter.append(")");
+     }
 
       NamingEnumeration<SearchResult> sr = ldapContext.search(userBase, builderFilter.toString(),
           sc);
@@ -744,4 +761,4 @@
         return false;
     }
 
-}
\ No newline at end of file
+}