mpellegrini

public static void main(String[] args) throws Exception {
    ObjectMapper mapper = new ObjectMapper();
    JsonSchemaGenerator generator = new JsonSchemaGenerator(mapper);
    JsonSchema jsonSchema = generator.generateSchema(Subscription.class);

    StringWriter json = new StringWriter();
    mapper.configure(SerializationFeature.INDENT_OUTPUT, true);
    mapper.writeValue(json, jsonSchema);

    System.out.println(json.toString());