Access LDAP using Java

Import Java. util. properties;
Import Javax. naming. * ;
Import Javax. Naming. LDAP. * ;
Import Javax. Naming. directory. * ;
Public   Class Client {
Public   Static   Void Main (string [] ARGs ){
Properties env =   New Properties ();
String adminname =   " Usish \ Derek " ;
String adminpassword =   " Dada " ;
String ldapurl =   " LDAP: // 192.168.40.42: 389 " ;
Env. Put (context. initial_context_factory, " Com. Sun. JNDI. LDAP. ldapctxfactory " );
// Set security credentials, note using simple cleartext Authentication
Env. Put (context. security_authentication, " Simple " );
Env. Put (context. security_principal, adminname );
Env. Put (context. security_credentials, adminpassword );
// Connect to my Domain Controller
Env. Put (context. provider_url, ldapurl );

try {< br> /// Create the initial directory context
ldapcontext CTX = New initialldapcontext (ENV, null );

// Create the search controls
searchcontrols searchctls = New searchcontrols ();

//Specify the Search Scope
Searchctls. setsearchscope (searchcontrols. subtree_scope );
//Specify the LDAP search filter
String SearchFilter= "(& (Objectcategory = person) (objectclass = user) (name = 004 *))";

// Specify the base for the search
String searchbase =   " Ou = usish, Dc = usish, Dc = com, Dc = Cn " ;
// Initialize counter to total the group members
Int Totalresults =   0 ;
// Specify the attributes to return
String returnedatts [] = { " Memberof " };
Searchctls. setreturningattributes (returnedatts );

// Search for objects using the filter
Namingenumeration answer = CTX. Search (searchbase, SearchFilter,
Searchctls );
// Loop through the search results
While (Answer. hasmoreelements ()){
Searchresult SR = (Searchresult) Answer. Next ();
System. Out. println ( " >>> "   + Sr. getname ());
// Print out the groups
Attributes attrs = Sr. getattributes ();
If (Attrs ! =   Null ){
Try {
For (Namingenumeration AE = Attrs. getall (); AE. hasmore ();){
Attribute ATTR = (Attribute) AE. Next ();
System. Out. println ( " Attributeid: "   + ATTR. GETID ());
For (Namingenumeration E = ATTR. getall (); E. hasmore ();
Totalresults ++ ){
System. Out. println ( " Attributes: " + E. Next ());
}
}
} Catch (Namingexception e ){
E. printstacktrace ();
System. Err. println ( " Problem listing membership: "   + E );
}
}
}
System. Out. println ( " Total groups: "   + Totalresults );
CTX. Close ();
} Catch (Namingexception e ){
E. printstacktrace ();
System. Err. println ( " Problem searching directory: "   + E );
}
}
}