public class POProcessClient {
  private String url;
  private String urn;
  public POProcessClient(String targetUrl, String serviceUrn)
  {
    url = targetUrl;
    urn = serviceUrn;
  }
  public OrderData order(String shipid, String billid, String sku, int quantity) throws Exception
  {
    ServiceClient client = new ServiceClient(endpointURL);
    OrderData order = (OrderData)client.invoke(urn, "order", new Object[] {shipid, billid, sku, new Integer(quantity)});
    return order;
  }
}
