15c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// Copyright 2014 The Chromium Authors. All rights reserved. 25c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// Use of this source code is governed by a BSD-style license that can be 35c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// found in the LICENSE file. 45c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 55c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "extensions/common/features/json_feature_provider_source.h" 65c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 75c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "base/json/json_reader.h" 85c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "base/logging.h" 95c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "ui/base/resource/resource_bundle.h" 105c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 115c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liunamespace extensions { 125c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 135c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo LiuJSONFeatureProviderSource::JSONFeatureProviderSource(const std::string& name) 145c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu : name_(name) { 155c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 165c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 175c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo LiuJSONFeatureProviderSource::~JSONFeatureProviderSource() { 185c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 195c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 205c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuvoid JSONFeatureProviderSource::LoadJSON(int resource_id) { 215c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu const std::string& features_file = ResourceBundle::GetSharedInstance() 225c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu .GetRawDataResource(resource_id) 235c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu .as_string(); 245c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu int error_code = 0; 255c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu std::string error_message; 265c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_ptr<base::Value> value(base::JSONReader::ReadAndReturnError( 275c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu features_file, base::JSON_PARSE_RFC, &error_code, &error_message)); 285c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu DCHECK(value) << "Could not load features: " << name_ << " " << error_message; 295c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 305c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_ptr<base::DictionaryValue> value_as_dict; 315c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (value) { 325c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu CHECK(value->IsType(base::Value::TYPE_DICTIONARY)) << name_; 335c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu value_as_dict.reset(static_cast<base::DictionaryValue*>(value.release())); 345c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu } else { 355c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // There was some error loading the features file. 365c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // http://crbug.com/176381 375c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu value_as_dict.reset(new base::DictionaryValue()); 385c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu } 395c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 405c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Ensure there are no key collisions. 415c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu for (base::DictionaryValue::Iterator iter(*value_as_dict); !iter.IsAtEnd(); 425c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu iter.Advance()) { 435c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (dictionary_.GetWithoutPathExpansion(iter.key(), NULL)) 445c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu LOG(FATAL) << "Key " << iter.key() << " is defined in " << name_ 455c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu << " JSON feature files more than once."; 465c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu } 475c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 485c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Merge. 495c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu dictionary_.MergeDictionary(value_as_dict.get()); 505c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 515c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 52cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} // namespace extensions 53