Imports and instantiates source objects from JSON data.
Creates Source instances (Book or Article) from the raw JSON data. Uses a factory pattern to create the appropriate subclass based on the sourceType property in the data.
Array of Source objects (Books and Articles)
Error if unknown sourceType is encountered
Imports and instantiates source objects from JSON data.
Creates Source instances (Book or Article) from the raw JSON data. Uses a factory pattern to create the appropriate subclass based on the sourceType property in the data.