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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "google_apis/drive/gdata_wapi_requests.h" | |
6 | |
7 #include "base/location.h" | |
8 #include "base/sequenced_task_runner.h" | |
9 #include "base/task_runner_util.h" | |
10 #include "base/values.h" | |
11 #include "google_apis/drive/gdata_wapi_parser.h" | |
12 #include "google_apis/drive/gdata_wapi_url_generator.h" | |
13 | |
14 namespace google_apis { | |
15 | |
16 namespace { | |
17 | |
18 scoped_ptr<ResourceEntry> ParseResourceEntry(const std::string& json) { | |
19 scoped_ptr<base::Value> value = ParseJson(json); | |
20 return value ? ResourceEntry::ExtractAndParse(*value) : | |
21 scoped_ptr<ResourceEntry>(); | |
22 } | |
23 | |
24 } // namespace | |
25 | |
26 GetResourceEntryRequest::GetResourceEntryRequest( | |
27 RequestSender* sender, | |
28 const GDataWapiUrlGenerator& url_generator, | |
29 const std::string& resource_id, | |
30 const GURL& embed_origin, | |
31 const GetResourceEntryCallback& callback) | |
32 : UrlFetchRequestBase(sender), | |
33 url_generator_(url_generator), | |
34 resource_id_(resource_id), | |
35 embed_origin_(embed_origin), | |
36 callback_(callback), | |
37 weak_ptr_factory_(this) { | |
38 DCHECK(!callback.is_null()); | |
39 } | |
40 | |
41 GetResourceEntryRequest::~GetResourceEntryRequest() {} | |
42 | |
43 GURL GetResourceEntryRequest::GetURL() const { | |
44 return url_generator_.GenerateEditUrlWithEmbedOrigin( | |
45 resource_id_, embed_origin_); | |
46 } | |
47 | |
48 void GetResourceEntryRequest::ProcessURLFetchResults( | |
49 const net::URLFetcher* source) { | |
50 GDataErrorCode error = GetErrorCode(); | |
51 switch (error) { | |
52 case HTTP_SUCCESS: | |
53 case HTTP_CREATED: | |
54 base::PostTaskAndReplyWithResult( | |
55 blocking_task_runner(), | |
56 FROM_HERE, | |
57 base::Bind(&ParseResourceEntry, response_writer()->data()), | |
58 base::Bind(&GetResourceEntryRequest::OnDataParsed, | |
59 weak_ptr_factory_.GetWeakPtr(), error)); | |
60 break; | |
61 default: | |
62 RunCallbackOnPrematureFailure(error); | |
63 OnProcessURLFetchResultsComplete(); | |
64 break; | |
65 } | |
66 } | |
67 | |
68 void GetResourceEntryRequest::RunCallbackOnPrematureFailure( | |
69 GDataErrorCode error) { | |
70 callback_.Run(error, scoped_ptr<ResourceEntry>()); | |
71 } | |
72 | |
73 void GetResourceEntryRequest::OnDataParsed(GDataErrorCode error, | |
74 scoped_ptr<ResourceEntry> entry) { | |
75 if (!entry) | |
76 error = GDATA_PARSE_ERROR; | |
77 callback_.Run(error, entry.Pass()); | |
78 OnProcessURLFetchResultsComplete(); | |
79 } | |
80 | |
81 } // namespace google_apis | |
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