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5 * without modification, are permitted provided that the following
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35 package gr.grnet.pithos.web.client.rest;
37 import com.google.gwt.http.client.Request;
38 import com.google.gwt.http.client.RequestCallback;
39 import com.google.gwt.http.client.Response;
42 public abstract class RestCallback implements RequestCallback {
44 private static final int HTTP_OK = 200;
46 private int okcode = -1;
48 public RestCallback(String aPath) {
52 public RestCallback(String aPath, int okCode) {
58 public void onError(Request request, Throwable exception) {
59 handleError(request, exception);
63 public void onResponseReceived(Request request, Response response) {
65 if (okcode == -1 && response.getStatusCode() == HTTP_OK)
66 handleSuccess(deserialize(response));
67 //this one is only used for trash handling where empty trash has 201 status code
68 else if(okcode !=-1 && (response.getStatusCode() == okcode || response.getStatusCode() == HTTP_OK))
69 handleSuccess(deserialize(response));
70 else if(response.getStatusCode() == 403)
71 RestCommand.sessionExpired();
73 String statusText = "";
75 // Ignore JavaScript errors caused by non-existent text.
77 statusText = response.getStatusText();
78 } catch (Exception e) { }
80 text = response.getText();
81 } catch (Exception e) { }
82 handleError(request, new RestException(path, response.getStatusCode(), statusText, text));
84 } catch (Exception e) {
85 handleError(request,e);
89 public abstract void handleSuccess(Object object);
91 public abstract void handleError(Request request, Throwable exception);
93 public abstract Object deserialize(Response response);