public void verifyCommand()

in helix-admin-webapp/src/main/java/org/apache/helix/webapp/resources/JsonParameters.java [149:235]
74 lines of code
34 McCabe index (conditional complexity)

  public void verifyCommand(String command) {

    // verify command itself
    if (_parameterMap.isEmpty()) {
      throw new HelixException("'" + JSON_PARAMETERS + "' in the POST body is empty");
    }

    if (!_parameterMap.containsKey(MANAGEMENT_COMMAND)) {
      throw new HelixException("Missing management parameter '" + MANAGEMENT_COMMAND + "'");
    }

    if (!_parameterMap.get(MANAGEMENT_COMMAND).equalsIgnoreCase(command)
        && !(CLUSTERSETUP_COMMAND_ALIASES.get(command) != null && CLUSTERSETUP_COMMAND_ALIASES.get(
            command).contains(_parameterMap.get(MANAGEMENT_COMMAND)))) {
      throw new HelixException(MANAGEMENT_COMMAND + " must be '" + command + "'");
    }

    // verify command parameters
    if (command.equalsIgnoreCase(ClusterSetup.enableInstance)) {
      if (!_parameterMap.containsKey(ENABLED)) {
        throw new HelixException("Missing Json parameters: '" + ENABLED + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.enableResource)) {
      if (!_parameterMap.containsKey(ENABLED)) {
        throw new HelixException("Missing Json parameters: '" + ENABLED + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.enablePartition)) {
      if (!_parameterMap.containsKey(ENABLED)) {
        throw new HelixException("Missing Json parameters: '" + ENABLED + "'");
      }

      if (!_parameterMap.containsKey(PARTITION)) {
        throw new HelixException("Missing Json parameters: '" + PARTITION + "'");
      }

      if (!_parameterMap.containsKey(RESOURCE)) {
        throw new HelixException("Missing Json parameters: '" + RESOURCE + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.resetPartition)) {
      if (!_parameterMap.containsKey(PARTITION)) {
        throw new HelixException("Missing Json parameters: '" + PARTITION + "'");
      }

      if (!_parameterMap.containsKey(RESOURCE)) {
        throw new HelixException("Missing Json parameters: '" + RESOURCE + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.resetInstance)) {
      // nothing
    } else if (command.equalsIgnoreCase(ClusterSetup.activateCluster)) {
      if (!_parameterMap.containsKey(GRAND_CLUSTER)) {
        throw new HelixException("Missing Json parameters: '" + GRAND_CLUSTER + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.setConfig)) {
      if (!_parameterMap.containsKey(CONFIGS)) {
        throw new HelixException("Missing Json parameters: '" + CONFIGS + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.removeConfig)) {
      if (!_parameterMap.containsKey(CONFIGS)) {
        throw new HelixException("Missing Json parameters: '" + CONFIGS + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.addInstanceTag)) {
      if (!_parameterMap.containsKey(ClusterSetup.instanceGroupTag)) {
        throw new HelixException("Missing Json parameters: '" + ClusterSetup.instanceGroupTag + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.removeInstanceTag)) {
      if (!_parameterMap.containsKey(ClusterSetup.instanceGroupTag)) {
        throw new HelixException("Missing Json parameters: '" + ClusterSetup.instanceGroupTag + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.addCluster)) {
      if (!_parameterMap.containsKey(CLUSTER_NAME)) {
        throw new HelixException("Missing Json parameters: '" + CLUSTER_NAME + "'");
      }
    } else if (command.equalsIgnoreCase(ClusterSetup.addResource)) {
      if (!_parameterMap.containsKey(RESOURCE_GROUP_NAME)) {
        throw new HelixException("Missing Json parameters: '" + RESOURCE_GROUP_NAME + "'");
      }

      if (!_parameterMap.containsKey(PARTITIONS)) {
        throw new HelixException("Missing Json parameters: '" + PARTITIONS + "'");
      }

      if (!_parameterMap.containsKey(STATE_MODEL_DEF_REF)) {
        throw new HelixException("Missing Json parameters: '" + STATE_MODEL_DEF_REF + "'");
      }

    }
  }