root / src / gr / grnet / pithos / web / client / rest / RestRequestCallback.java @ 45c76262
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1 | 6084aa02 | Christos Stathis | /*
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2 | e6e9f6e6 | Christos KK Loverdos | * Copyright 2011-2013 GRNET S.A. All rights reserved.
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3 | 63366925 | Christos Stathis | *
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4 | 63366925 | Christos Stathis | * Redistribution and use in source and binary forms, with or
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5 | 63366925 | Christos Stathis | * without modification, are permitted provided that the following
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6 | 63366925 | Christos Stathis | * conditions are met:
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7 | 63366925 | Christos Stathis | *
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8 | 63366925 | Christos Stathis | * 1. Redistributions of source code must retain the above
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9 | 63366925 | Christos Stathis | * copyright notice, this list of conditions and the following
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10 | 63366925 | Christos Stathis | * disclaimer.
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11 | 63366925 | Christos Stathis | *
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12 | 63366925 | Christos Stathis | * 2. Redistributions in binary form must reproduce the above
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13 | 63366925 | Christos Stathis | * copyright notice, this list of conditions and the following
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14 | 63366925 | Christos Stathis | * disclaimer in the documentation and/or other materials
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15 | 63366925 | Christos Stathis | * provided with the distribution.
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16 | 63366925 | Christos Stathis | *
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17 | 63366925 | Christos Stathis | * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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18 | 63366925 | Christos Stathis | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 | 63366925 | Christos Stathis | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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20 | 63366925 | Christos Stathis | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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21 | 63366925 | Christos Stathis | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22 | 63366925 | Christos Stathis | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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23 | 63366925 | Christos Stathis | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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24 | 63366925 | Christos Stathis | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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25 | 63366925 | Christos Stathis | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 | 63366925 | Christos Stathis | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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27 | 63366925 | Christos Stathis | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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28 | 63366925 | Christos Stathis | * POSSIBILITY OF SUCH DAMAGE.
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29 | 63366925 | Christos Stathis | *
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30 | 63366925 | Christos Stathis | * The views and conclusions contained in the software and
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31 | 63366925 | Christos Stathis | * documentation are those of the authors and should not be
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32 | 63366925 | Christos Stathis | * interpreted as representing official policies, either expressed
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33 | 63366925 | Christos Stathis | * or implied, of GRNET S.A.
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34 | 6084aa02 | Christos Stathis | */
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35 | 6084aa02 | Christos Stathis | |
36 | 6084aa02 | Christos Stathis | package gr.grnet.pithos.web.client.rest; |
37 | 6084aa02 | Christos Stathis | |
38 | 45c76262 | Christos KK Loverdos | import com.google.gwt.http.client.Header; |
39 | 6084aa02 | Christos Stathis | import com.google.gwt.http.client.Request; |
40 | 6084aa02 | Christos Stathis | import com.google.gwt.http.client.RequestCallback; |
41 | 6084aa02 | Christos Stathis | import com.google.gwt.http.client.Response; |
42 | 45c76262 | Christos KK Loverdos | import gr.grnet.pithos.web.client.Helpers; |
43 | 8ddb4627 | Christos KK Loverdos | import gr.grnet.pithos.web.client.Pithos; |
44 | cc0120ab | Christos KK Loverdos | import gr.grnet.pithos.web.client.Resource; |
45 | 6084aa02 | Christos Stathis | |
46 | 6084aa02 | Christos Stathis | public abstract class RestRequestCallback<T extends Resource> implements RequestCallback { |
47 | 6084aa02 | Christos Stathis | |
48 | 6084aa02 | Christos Stathis | private static final int HTTP_OK = 200; |
49 | 6084aa02 | Christos Stathis | private int okcode = -1; |
50 | 6084aa02 | Christos Stathis | private String path; |
51 | 6084aa02 | Christos Stathis | |
52 | 6084aa02 | Christos Stathis | public RestRequestCallback(String path, int okCode) { |
53 | 6084aa02 | Christos Stathis | this.path = path;
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54 | 6084aa02 | Christos Stathis | this.okcode = okCode;
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55 | 6084aa02 | Christos Stathis | } |
56 | 6084aa02 | Christos Stathis | |
57 | 6084aa02 | Christos Stathis | public RestRequestCallback(String path) { |
58 | 6084aa02 | Christos Stathis | this(path, -1); |
59 | 6084aa02 | Christos Stathis | } |
60 | 6084aa02 | Christos Stathis | |
61 | 6084aa02 | Christos Stathis | @Override
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62 | 6084aa02 | Christos Stathis | public void onResponseReceived(Request request, Response response) { |
63 | 45c76262 | Christos KK Loverdos | Helpers.LOGResponse(response); |
64 | 45c76262 | Christos KK Loverdos | |
65 | 6084aa02 | Christos Stathis | try {
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66 | 6084aa02 | Christos Stathis | if (response.getStatusCode() == HTTP_OK || (okcode !=-1 && response.getStatusCode() == okcode)) |
67 | 6084aa02 | Christos Stathis | onSuccess(deserialize(response)); |
68 | 6c372d22 | Christos Stathis | else if (response.getStatusCode() == Response.SC_UNAUTHORIZED) { |
69 | 6c372d22 | Christos Stathis | log(request, response); |
70 | 9539e23d | Christos Stathis | onUnauthorized(response); |
71 | 6c372d22 | Christos Stathis | } |
72 | 6084aa02 | Christos Stathis | else {
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73 | 6084aa02 | Christos Stathis | String statusText = ""; |
74 | 6084aa02 | Christos Stathis | String text = ""; |
75 | 6084aa02 | Christos Stathis | // Ignore JavaScript errors caused by non-existent text.
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76 | 6084aa02 | Christos Stathis | try {
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77 | 6084aa02 | Christos Stathis | statusText = response.getStatusText(); |
78 | 6084aa02 | Christos Stathis | } |
79 | 6084aa02 | Christos Stathis | catch (Exception e) {} |
80 | 6084aa02 | Christos Stathis | |
81 | 6084aa02 | Christos Stathis | try {
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82 | 6084aa02 | Christos Stathis | text = response.getText(); |
83 | 6084aa02 | Christos Stathis | } |
84 | 6084aa02 | Christos Stathis | catch (Exception e) {} |
85 | 6084aa02 | Christos Stathis | |
86 | 6084aa02 | Christos Stathis | onError(request, new RestException(path, response.getStatusCode(), statusText, text));
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87 | 6084aa02 | Christos Stathis | } |
88 | 6084aa02 | Christos Stathis | } catch (Exception e) { |
89 | 8ddb4627 | Christos KK Loverdos | Pithos.LOG(e); |
90 | 6084aa02 | Christos Stathis | onError(request, e); |
91 | 6084aa02 | Christos Stathis | } |
92 | 6084aa02 | Christos Stathis | } |
93 | 6084aa02 | Christos Stathis | |
94 | 6c372d22 | Christos Stathis | private native void log(Request req, Response resp)/*-{ |
95 | 6c372d22 | Christos Stathis | if ($wnd.console && $wnd.console.log) {
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96 | 6c372d22 | Christos Stathis | $wnd.console.log(req.@com.google.gwt.http.client.Request::toString()());
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97 | 6c372d22 | Christos Stathis | $wnd.console.log(resp.@com.google.gwt.http.client.Response::toString()());
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98 | 6c372d22 | Christos Stathis | $wnd.console.log(resp.@com.google.gwt.http.client.Response::getStatusCode()());
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99 | 6c372d22 | Christos Stathis | $wnd.console.log(resp.@com.google.gwt.http.client.Response::getStatusText()());
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100 | 6c372d22 | Christos Stathis | $wnd.console.log(resp.@com.google.gwt.http.client.Response::getStatusCode()());
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101 | 6c372d22 | Christos Stathis | $wnd.console.log(resp.@com.google.gwt.http.client.Response::getText()());
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102 | 6c372d22 | Christos Stathis | $wnd.console.log(resp.@com.google.gwt.http.client.Response::getHeadersAsString()());
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103 | 6c372d22 | Christos Stathis | }
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104 | 6c372d22 | Christos Stathis | }-*/;
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105 | 6c372d22 | Christos Stathis | |
106 | 6084aa02 | Christos Stathis | public abstract void onSuccess(T result); |
107 | 6084aa02 | Christos Stathis | |
108 | 6084aa02 | Christos Stathis | public abstract T deserialize(Response response); |
109 | 9539e23d | Christos Stathis | |
110 | 9539e23d | Christos Stathis | public abstract void onUnauthorized(Response response); |
111 | 6084aa02 | Christos Stathis | } |