public static ReadOfflineModelCommand parse()

in odps-console-xflow/src/main/java/com/aliyun/openservices/odps/console/xflow/ReadOfflineModelCommand.java [130:192]
51 lines of code
15 McCabe index (conditional complexity)

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

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

    Matcher m = PATTERN.matcher(cmd);
    if (!m.matches()) {
      return null;
    }

    String input = m.group(1);
    String[] inputs = new AntlrObject(input).getTokenStringArray();
    CommandLine commandLine = getCommandLine(inputs);

    // get -p option if exist
    String projectName = null;
    if (commandLine.hasOption("p")) {
      projectName = commandLine.getOptionValue("p");
    }

    int argSize = commandLine.getArgList().size();
    if (argSize != 1 && argSize != 3) {
      throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND + "Model name not found.");
    }

    String modelName = null;
    // read offlinemodel model_name
    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];
    }

    String volumeName = null;
    String partitionName = null;
    if (commandLine.getArgList().size() == 3) {
      // read offlinemodel model_name as volume_name
      if (commandLine.getArgs()[1].toUpperCase().compareTo("AS") != 0) {
        throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND + "Invalid command.");
      }
      volumeName = commandLine.getArgs()[2];
      if (volumeName.contains(".")) {
        String[] result = volumeName.split("\\.", 2);
        volumeName = result[0];
        partitionName = result[1];
      }
    }

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

    return new ReadOfflineModelCommand(projectName, modelName, volumeName, partitionName, cmd, ctx);
  }