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 env = new Hashtable();
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();
}
}
}