| @@ -1,11 +1,63 | |||||
| 1 | #include "AmdaParser.h" |
|
1 | #include "AmdaParser.h" | |
| 2 |
|
2 | |||
| 3 | #include <DataSource/DataSourceItem.h> |
|
3 | #include <DataSource/DataSourceItem.h> | |
| 4 |
|
4 | |||
|
|
5 | #include <QFile> | |||
|
|
6 | #include <QJsonDocument> | |||
|
|
7 | #include <QJsonObject> | |||
|
|
8 | ||||
| 5 | Q_LOGGING_CATEGORY(LOG_AmdaParser, "AmdaParser") |
|
9 | Q_LOGGING_CATEGORY(LOG_AmdaParser, "AmdaParser") | |
| 6 |
|
10 | |||
|
|
11 | namespace { | |||
|
|
12 | ||||
|
|
13 | // Significant keys of an AMDA's JSON file | |||
|
|
14 | const auto ROOT_KEY = QStringLiteral("dataCenter"); | |||
|
|
15 | ||||
|
|
16 | } // namespace | |||
|
|
17 | ||||
| 7 | std::unique_ptr<DataSourceItem> AmdaParser::readJson(const QString &filePath) noexcept |
|
18 | std::unique_ptr<DataSourceItem> AmdaParser::readJson(const QString &filePath) noexcept | |
| 8 | { |
|
19 | { | |
|
|
20 | QFile jsonFile{filePath}; | |||
|
|
21 | ||||
|
|
22 | if (!jsonFile.open(QIODevice::ReadOnly | QIODevice::Text)) { | |||
|
|
23 | qCCritical(LOG_AmdaParser()) | |||
|
|
24 | << QObject::tr("Can't retrieve data source tree from file %1: %2") | |||
|
|
25 | .arg(filePath, jsonFile.errorString()); | |||
|
|
26 | return nullptr; | |||
|
|
27 | } | |||
|
|
28 | ||||
|
|
29 | auto json = jsonFile.readAll(); | |||
|
|
30 | auto jsonDocument = QJsonDocument::fromJson(json); | |||
|
|
31 | ||||
|
|
32 | // Check preconditions for parsing | |||
|
|
33 | if (!jsonDocument.isObject()) { | |||
|
|
34 | qCCritical(LOG_AmdaParser()) | |||
|
|
35 | << QObject::tr( | |||
|
|
36 | "Can't retrieve data source tree from file %1: the file is malformed (there is " | |||
|
|
37 | "not one and only one root object)") | |||
|
|
38 | .arg(filePath); | |||
|
|
39 | return nullptr; | |||
|
|
40 | } | |||
|
|
41 | ||||
|
|
42 | auto jsonDocumentObject = jsonDocument.object(); | |||
|
|
43 | if (!jsonDocumentObject.contains(ROOT_KEY)) { | |||
|
|
44 | qCCritical(LOG_AmdaParser()) | |||
|
|
45 | << QObject::tr( | |||
|
|
46 | "Can't retrieve data source tree from file %1: the file is malformed (the key " | |||
|
|
47 | "for the root element was not found (%2))") | |||
|
|
48 | .arg(filePath, ROOT_KEY); | |||
|
|
49 | return nullptr; | |||
|
|
50 | } | |||
|
|
51 | ||||
|
|
52 | auto rootValue = jsonDocumentObject.value(ROOT_KEY); | |||
|
|
53 | if (!rootValue.isObject()) { | |||
|
|
54 | qCCritical(LOG_AmdaParser()) | |||
|
|
55 | << QObject::tr( | |||
|
|
56 | "Can't retrieve data source tree from file %1: the file is malformed (the root " | |||
|
|
57 | "element is of the wrong type)") | |||
|
|
58 | .arg(filePath); | |||
|
|
59 | return nullptr; | |||
|
|
60 | } | |||
| 9 | /// @todo ALX |
|
61 | /// @todo ALX | |
| 10 | return nullptr; |
|
62 | return nullptr; | |
| 11 | } |
|
63 | } | |
General Comments 0
You need to be logged in to leave comments.
Login now