public static DescribeOfflineModelCommand parse()

in odps-console-xflow/src/main/java/com/aliyun/openservices/odps/console/xflow/DescribeOfflineModelCommand.java [108:157]

37 lines of code
11 McCabe index (conditional complexity)


  public static DescribeOfflineModelCommand parse(String cmd, ExecutionContext ctx)
      throws ODPSConsoleException {

    if (cmd == null || ctx == null) {
      return null;
    }

    Matcher m = PATTERN.matcher(cmd);
    boolean match = m.matches();

    if (!match) {
      return null;
    }

    String input = m.group(2);
    String[] inputs = new AntlrObject(input).getTokenStringArray();
    CommandLine commandLine = getCommandLine(inputs);

    String projectName = null;

    if (commandLine.hasOption("p")) {
      projectName = commandLine.getOptionValue("p");
    }

    if (commandLine.getArgList().size() != 1) {
      throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND + "Model name not found.");
    }

    String modelName = commandLine.getArgs()[0];
    if (!modelName.matches("[.\\w]+")) {
      throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND + "Invalid model name.");
    }

    if (modelName.contains(".")) {
      String[] result = modelName.split("\\.", 2);
      if (projectName != null && (!result[0].equals(projectName))) {
        throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND + "Project name conflict.");
      }
      projectName = result[0];
      modelName = result[1];

    }

    if (projectName == null) {
      projectName = ctx.getProjectName();
    }

    return new DescribeOfflineModelCommand(projectName, modelName, cmd, ctx);

  }