private static Schema readFileIntoMemory()

in spanner-data-validator-java/src/main/java/com/google/migration/dto/session/SessionFileReader.java [39:66]

27 lines of code
2 McCabe index (conditional complexity)


  private static Schema readFileIntoMemory(String filePath) {
    try (InputStream stream =
        Channels.newInputStream(FileSystems.open(FileSystems.matchNewResource(filePath, false)))) {
      String result = IOUtils.toString(stream, StandardCharsets.UTF_8);
      JsonParser parser = new JsonParser();
      JsonObject sessionJSON = parser.parseString(result).getAsJsonObject();
      validateSessionFields(sessionJSON);

      Schema schema =
          new GsonBuilder()
              .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
              .create()
              .fromJson(result, Schema.class);
      schema.setEmpty(false);
      schema.generateMappings();
      LOG.debug("Read session file: " + schema.toString());
      return schema;
    } catch (IOException e) {
      LOG.error(
          "Failed to read session file. Make sure it is ASCII or UTF-8 encoded and contains a"
              + " well-formed JSON string.",
          e);
      throw new RuntimeException(
          "Failed to read session file. Make sure it is ASCII or UTF-8 encoded and contains a"
              + " well-formed JSON string.",
          e);
    }
  }