public Injection getInjection(String jndiName, Class<?> clazz, Field field) {
    if (field == null || clazz == null) return null;

    List<Injection> injections = getInjections(clazz.getCanonicalName());
    if (injections == null) return null;
    Iterator<Injection> itor = injections.iterator();
    Injection injection = null;
    while (itor.hasNext() && injection == null) {
      Injection i = itor.next();
      if (i.isField() && field.getName().equals(i.getTarget().getName())) injection = i;
    }

    return injection;
  }