Java by API/javax.naming.directory/Attributes

Attributes: get(String attrID)

   <source lang="java">
  

import java.util.Enumeration; import java.util.Hashtable; import javax.naming.Context; import javax.naming.NamingEnumeration; import javax.naming.directory.Attribute; import javax.naming.directory.Attributes; import javax.naming.directory.DirContext; import javax.naming.directory.InitialDirContext; import javax.naming.directory.SearchControls; import javax.naming.directory.SearchResult; public class Main {

 public static String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory";
 public static String MY_HOST = "ldap://localhost:1389";
 public static String MY_SEARCHBASE = "o=server.ru";
 public static String MY_FILTER = "(sn=Carter)";
 public static String MY_ATTRS[] = { "cn", "mail" };
 public static void main(String args[]) throws Exception {
   Hashtable env = new Hashtable();
   env.put(Context.INITIAL_CONTEXT_FACTORY, INITCTX);
   env.put(Context.PROVIDER_URL, MY_HOST);
   DirContext ctx = new InitialDirContext(env);
   SearchControls constraints = new SearchControls();
   constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
   NamingEnumeration results = ctx.search(MY_SEARCHBASE, MY_FILTER, constraints);
   while (results != null && results.hasMore()) {
     SearchResult sr = (SearchResult) results.next();
     String dn = sr.getName() + ", " + MY_SEARCHBASE;
     System.out.println("Distinguished Name is " + dn);
     Attributes ar = ctx.getAttributes(dn, MY_ATTRS);
     if (ar == null) {
       System.out.println("Entry " + dn + " has none of the specified attributes\n");
       return;
     }
     for (int i = 0; i < MY_ATTRS.length; i++) {
       Attribute attr = ar.get(MY_ATTRS[i]);
       if (attr == null) {
         continue;
       }
       System.out.println(MY_ATTRS[i] + ":");
       for (Enumeration vals = attr.getAll(); vals.hasMoreElements();) {
         System.out.println("\t" + vals.nextElement());
       }
     }
   }
 }

}

 </source>