components/cloud_devices/common/cloud_device_description.h

   1 // Copyright 2014 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 #ifndef COMPONENTS_CLOUD_DEVICES_COMMON_CLOUD_DEVICE_DESCRIPTION_H_
   6 #define COMPONENTS_CLOUD_DEVICES_COMMON_CLOUD_DEVICE_DESCRIPTION_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11
  12 namespace base {
  13 class DictionaryValue;
  14 class ListValue;
  15 }
  16
  17 namespace cloud_devices {
  18
  19 // Provides parsing, serialization and validation Cloud Device Description or
  20 // Cloud Job Ticket.
  21 // https://developers.google.com/cloud-print/docs/cdd
  22 class CloudDeviceDescription {
  23  public:
  24   CloudDeviceDescription();
  25   ~CloudDeviceDescription();
  26
  27   void Reset();
  28
  29   bool InitFromDictionary(scoped_ptr<base::DictionaryValue> root);
  30   bool InitFromString(const std::string& json);
  31
  32   std::string ToString() const;
  33
  34   const base::DictionaryValue& root() const { return *root_; }
  35
  36   // Returns dictionary with capability/option.
  37   // Returns NULL if missing.
  38   const base::DictionaryValue* GetItem(const std::string& path) const;
  39
  40   // Create dictionary for capability/option.
  41   // Never returns NULL.
  42   base::DictionaryValue* CreateItem(const std::string& path);
  43
  44   // Returns list with capability/option.
  45   // Returns NULL if missing.
  46   const base::ListValue* GetListItem(const std::string& path) const;
  47
  48   // Create list for capability/option.
  49   // Never returns NULL.
  50   base::ListValue* CreateListItem(const std::string& path);
  51
  52  private:
  53   scoped_ptr<base::DictionaryValue> root_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(CloudDeviceDescription);
  56 };
  57
  58 }  // namespace cloud_devices
  59
  60 #endif  // COMPONENTS_CLOUD_DEVICES_COMMON_CLOUD_DEVICE_DESCRIPTION_H_