Add FileResource/FileList parser.

chrome/browser/chromeos/gdata/drive_api_parser.cc

 // Copyright (c) 2012 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/browser/chromeos/gdata/drive_api_parser.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 16 matching lines @@
 // TODO(mukai): make it return false in case of invalid |url_string|.
 bool GetGURLFromString(const base::StringPiece& url_string, GURL* result) {
   *result = GURL(url_string.as_string());
   return true;
 }
 
 // Drive v2 API JSON names.
 
 // Common
 const char kKind[] = "kind";
+const char kId[] = "id";
+const char kETag[] = "etag";
+const char kItems[] = "items";
 
 // About Resource:
 const char kAboutKind[] = "drive#about";
 const char kRootFolderId[] = "rootFolderId";
 const char kQuotaBytesTotal[] = "quotaBytesTotal";
 const char kQuotaBytesUsed[] = "quotaBytesUsed";
 const char kLargestChangeId[] = "largestChangeId";
 
 // App Icon:
 const char kCategory[] = "category";
 const char kSize[] = "size";
 const char kIconUrl[] = "iconUrl";
 
 // Apps Resource:
 const char kAppKind[] = "drive#app";
-const char kId[] = "id";
-const char kETag[] = "etag";
 const char kName[] = "name";
 const char kObjectType[] = "objectType";
 const char kSupportsCreate[] = "supportsCreate";
 const char kSupportsImport[] = "supportsImport";
 const char kInstalled[] = "installed";
 const char kAuthorized[] = "authorized";
 const char kProductUrl[] = "productUrl";
 const char kPrimaryMimeTypes[] = "primaryMimeTypes";
 const char kSecondaryMimeTypes[] = "secondaryMimeTypes";
 const char kPrimaryFileExtensions[] = "primaryFileExtensions";
 const char kSecondaryFileExtensions[] = "secondaryFileExtensions";
 const char kIcons[] = "icons";
 
 // Apps List:
 const char kAppListKind[] = "drive#appList";
-const char kItems[] = "items";
 
+// File Resource:
+const char kFileKind[] = "drive#file";
+const char kMimeType[] = "mimeType";
+const char kTitle[] = "title";
+const char kModifiedByMeDate[] = "modifiedByMeDate";
+const char kDownloadUrl[] = "downloadUrl";
+const char kFileExtension[] = "fileExtension";
+const char kMd5Checksum[] = "md5Checksum";
+const char kFileSize[] = "fileSize";
+
+const char kDriveFolderMimeType[] = "application/vnd.google-apps.folder";
+
+// Files List:
+const char kFileListKind[] = "drive#fileList";
+const char kNextPageToken[] = "nextPageToken";
+const char kNextLink[] = "nextLink";
 
 // Maps category name to enum IconCategory.
 struct AppIconCategoryMap {
   gdata::DriveAppIcon::IconCategory category;
   const char* category_name;
 };
 
 const AppIconCategoryMap kAppIconCategoryMap[] = {
   { gdata::DriveAppIcon::DOCUMENT, "document" },
   { gdata::DriveAppIcon::APPLICATION, "application" },
@@ skipping 191 matching lines @@
 
 bool AppList::Parse(const base::Value& value) {
   base::JSONValueConverter<AppList> converter;
   if (!converter.Convert(value, this)) {
     LOG(ERROR) << "Unable to parse: Invalid AppList";
     return false;
   }
   return true;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// FileResource implementation
+
+FileResource::FileResource() {}
+
+FileResource::~FileResource() {}
+
+// static
+void FileResource::RegisterJSONConverter(
+    base::JSONValueConverter<FileResource>* converter) {
+  converter->RegisterStringField(kId, &FileResource::id_);
+  converter->RegisterStringField(kETag, &FileResource::etag_);
+  converter->RegisterStringField(kMimeType, &FileResource::mime_type_);
+  converter->RegisterStringField(kTitle, &FileResource::title_);
+  converter->RegisterCustomField<base::Time>(
+      kModifiedByMeDate,
+      &FileResource::modified_by_me_date_,
+      &gdata::util::GetTimeFromString);
+  converter->RegisterCustomField<GURL>(kDownloadUrl,
+                                       &FileResource::download_url_,
+                                       GetGURLFromString);
+  converter->RegisterStringField(kFileExtension,
+                                 &FileResource::file_extension_);
+  converter->RegisterStringField(kMd5Checksum, &FileResource::md5_checksum_);
+  converter->RegisterCustomField<int64>(kFileSize,
+                                        &FileResource::file_size_,
+                                        &base::StringToInt64);
+}
+
+// static
+scoped_ptr<FileResource> FileResource::CreateFrom(const base::Value& value) {
+  scoped_ptr<FileResource> resource(new FileResource());
+  if (!IsResourceKindExpected(value, kFileKind) || !resource->Parse(value)) {
+    LOG(ERROR) << "Unable to create: Invalid FileResource JSON!";
+    return scoped_ptr<FileResource>(NULL);
+  }
+  return resource.Pass();
+}
+
+bool FileResource::IsFolder() const {
+  return mime_type_ == kDriveFolderMimeType;
+}
+
+bool FileResource::Parse(const base::Value& value) {
+  base::JSONValueConverter<FileResource> converter;
+  if (!converter.Convert(value, this)) {
+    LOG(ERROR) << "Unable to parse: Invalid FileResource";
+    return false;
+  }
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// FileList implementation
+
+FileList::FileList() {}
+
+FileList::~FileList() {}
+
+// static
+void FileList::RegisterJSONConverter(
+    base::JSONValueConverter<FileList>* converter) {
+  converter->RegisterStringField(kETag, &FileList::etag_);
+  converter->RegisterStringField(kNextPageToken, &FileList::next_page_token_);
+  converter->RegisterCustomField<GURL>(kNextLink,
+                                       &FileList::next_link_,
+                                       GetGURLFromString);
+  converter->RegisterRepeatedMessage<FileResource>(kItems,
+                                                   &FileList::items_);
+}
+
+// static
+scoped_ptr<FileList> FileList::CreateFrom(const base::Value& value) {
+  scoped_ptr<FileList> resource(new FileList());
+  if (!IsResourceKindExpected(value, kFileListKind) ||
+      !resource->Parse(value)) {
+    LOG(ERROR) << "Unable to create: Invalid FileList JSON!";
+    return scoped_ptr<FileList>(NULL);
+  }
+  return resource.Pass();
+}
+
+bool FileList::Parse(const base::Value& value) {
+  base::JSONValueConverter<FileList> converter;
+  if (!converter.Convert(value, this)) {
+    LOG(ERROR) << "Unable to parse: Invalid FileList";
+    return false;
+  }
+  return true;
+}
+
 }  // namespace gdata