| // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/utility/web_resource_unpacker.h" |
| |
| #include "base/json/json_reader.h" |
| #include "base/values.h" |
| |
| const char* WebResourceUnpacker::kInvalidDataTypeError = |
| "Data from web resource server is missing or not valid JSON."; |
| |
| const char* WebResourceUnpacker::kUnexpectedJSONFormatError = |
| "Data from web resource server does not have expected format."; |
| |
| WebResourceUnpacker::WebResourceUnpacker(const std::string &resource_data) |
| : resource_data_(resource_data) { |
| } |
| |
| WebResourceUnpacker::~WebResourceUnpacker() { |
| } |
| |
| // TODO(mrc): Right now, this reads JSON data from the experimental popgadget |
| // server. Change so the format is based on a template, once we have |
| // decided on final server format. |
| bool WebResourceUnpacker::Run() { |
| scoped_ptr<base::Value> value; |
| if (!resource_data_.empty()) { |
| value.reset(base::JSONReader::Read(resource_data_)); |
| if (!value.get()) { |
| // Page information not properly read, or corrupted. |
| error_message_ = kInvalidDataTypeError; |
| return false; |
| } |
| if (!value->IsType(base::Value::TYPE_DICTIONARY)) { |
| error_message_ = kUnexpectedJSONFormatError; |
| return false; |
| } |
| parsed_json_.reset(static_cast<base::DictionaryValue*>(value.release())); |
| return true; |
| } |
| error_message_ = kInvalidDataTypeError; |
| return false; |
| } |
| |