2 * Copyright 2011-2012 GRNET S.A. All rights reserved.
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36 package gr.grnet.pithos.web.client.rest;
38 import com.google.gwt.http.client.Request;
39 import com.google.gwt.http.client.RequestCallback;
40 import com.google.gwt.http.client.Response;
41 import gr.grnet.pithos.web.client.foldertree.Resource;
43 public abstract class RestRequestCallback<T extends Resource> implements RequestCallback {
45 private static final int HTTP_OK = 200;
46 private int okcode = -1;
49 public RestRequestCallback(String path, int okCode) {
54 public RestRequestCallback(String path) {
59 public void onResponseReceived(Request request, Response response) {
61 if (response.getStatusCode() == HTTP_OK || (okcode !=-1 && response.getStatusCode() == okcode))
62 onSuccess(deserialize(response));
63 else if (response.getStatusCode() == Response.SC_UNAUTHORIZED)
64 onUnauthorized(response);
66 String statusText = "";
68 // Ignore JavaScript errors caused by non-existent text.
70 statusText = response.getStatusText();
72 catch (Exception e) {}
75 text = response.getText();
77 catch (Exception e) {}
79 onError(request, new RestException(path, response.getStatusCode(), statusText, text));
81 } catch (Exception e) {
86 public abstract void onSuccess(T result);
88 public abstract T deserialize(Response response);
90 public abstract void onUnauthorized(Response response);