AndFilter filter = new AndFilter();
    filter.and(new EqualsFilter("objectclass", "person")).and(
        new EqualsFilter("uid", authentication.getPrincipal()
      .toString()));

   boolean authenticatedUser = ldapTemplate.authenticate(<DN>, filter.encode(),<password>);

dn: uid=test ,ou=people,dc=springframework,dc=org
  objectclass: top
  objectclass: person
  objectclass: organizationalPerson
  objectclass: inetOrgPerson
  cn: Rod Johnson
  sn: Johnson
  uid: test
  userPassword: {SHA}a94a8fe5ccb19ba61c4c0873d391e987982fbbd3