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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/common/web_resource/web_resource_unpacker.h" | 5 #include "chrome/common/web_resource/web_resource_unpacker.h" |
| 6 | 6 |
| 7 #include "base/json/json_reader.h" | 7 #include "base/json/json_reader.h" |
| 8 #include "base/values.h" | 8 #include "base/values.h" |
| 9 | 9 |
| 10 const char* WebResourceUnpacker::kInvalidDataTypeError = | 10 const char* WebResourceUnpacker::kInvalidDataTypeError = |
| 11 "Data from web resource server is missing or not valid JSON."; | 11 "Data from web resource server is missing or not valid JSON."; |
| 12 | 12 |
| 13 const char* WebResourceUnpacker::kUnexpectedJSONFormatError = | 13 const char* WebResourceUnpacker::kUnexpectedJSONFormatError = |
| 14 "Data from web resource server does not have expected format."; | 14 "Data from web resource server does not have expected format."; |
| 15 | 15 |
| 16 WebResourceUnpacker::WebResourceUnpacker(const std::string &resource_data) | 16 WebResourceUnpacker::WebResourceUnpacker(const std::string &resource_data) |
| 17 : resource_data_(resource_data) { | 17 : resource_data_(resource_data) { |
| 18 } | 18 } |
| 19 | 19 |
| 20 WebResourceUnpacker::~WebResourceUnpacker() { | 20 WebResourceUnpacker::~WebResourceUnpacker() { |
| 21 } | 21 } |
| 22 | 22 |
| 23 // TODO(mrc): Right now, this reads JSON data from the experimental popgadget | 23 // TODO(mrc): Right now, this reads JSON data from the experimental popgadget |
| 24 // server. Change so the format is based on a template, once we have | 24 // server. Change so the format is based on a template, once we have |
| 25 // decided on final server format. | 25 // decided on final server format. |
| 26 bool WebResourceUnpacker::Run() { | 26 bool WebResourceUnpacker::Run() { |
| 27 scoped_ptr<Value> value; | 27 scoped_ptr<Value> value; |
| 28 if (!resource_data_.empty()) { | 28 if (!resource_data_.empty()) { |
| 29 value.reset(base::JSONReader::Read(resource_data_, false)); | 29 value.reset(base::JSONReader::Read(resource_data_)); |
| 30 if (!value.get()) { | 30 if (!value.get()) { |
| 31 // Page information not properly read, or corrupted. | 31 // Page information not properly read, or corrupted. |
| 32 error_message_ = kInvalidDataTypeError; | 32 error_message_ = kInvalidDataTypeError; |
| 33 return false; | 33 return false; |
| 34 } | 34 } |
| 35 if (!value->IsType(Value::TYPE_DICTIONARY)) { | 35 if (!value->IsType(Value::TYPE_DICTIONARY)) { |
| 36 error_message_ = kUnexpectedJSONFormatError; | 36 error_message_ = kUnexpectedJSONFormatError; |
| 37 return false; | 37 return false; |
| 38 } | 38 } |
| 39 parsed_json_.reset(static_cast<DictionaryValue*>(value.release())); | 39 parsed_json_.reset(static_cast<DictionaryValue*>(value.release())); |
| 40 return true; | 40 return true; |
| 41 } | 41 } |
| 42 error_message_ = kInvalidDataTypeError; | 42 error_message_ = kInvalidDataTypeError; |
| 43 return false; | 43 return false; |
| 44 } | 44 } |
| 45 | 45 |
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