Java tutorial
import java.util.Hashtable; import javax.naming.Context; import javax.naming.NamingEnumeration; import javax.naming.directory.Attributes; import javax.naming.directory.BasicAttribute; import javax.naming.directory.BasicAttributes; import javax.naming.directory.DirContext; import javax.naming.directory.InitialDirContext; import javax.naming.directory.SearchResult; public class Main { public static void main(String[] argv) throws Exception { Attributes matchAttrs = new BasicAttributes(true); matchAttrs.put(new BasicAttribute("sn", "YourName")); matchAttrs.put(new BasicAttribute("mail")); Hashtable<String, String> env = new Hashtable<String, String>(); env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory"); env.put(Context.PROVIDER_URL, "yourURL"); DirContext ctx = new InitialDirContext(env); NamingEnumeration e = ctx.search("ou=People", matchAttrs); if (e.hasMore()) { SearchResult entry = (SearchResult) e.next(); // Abandon rest of results e.close(); } } }