package org.lsst.ccs.command.demo;
   
   import org.lsst.ccs.command.annotations.Command;
   import org.lsst.ccs.command.annotations.Argument;
   
   /**
    * A class designed to illustrate how a class can be annotated to accept
    * commands. Note that the only dependencies this class has is on the
    * annotations package.
   *
   * @author The CCS Team
   */
  public class DemoCommands {
  
      @Command(description = "Get the temperature of a module", alias = "gt")
      public double getTemperature(@Argument(name = "module", description = "module (0-9)") int module) {
          if (module < 0 || module > 9) {
              throw new IllegalArgumentException("module < 0 or > 9");
          }
          return Math.random();
      }
  
      @Command(description = "Add two arguments")
      public double add(double a, double b) {
          return a + b;
      }
  
      @Command(description = "Add any number of arguments")
      public double addAll(String base, double... numbers) {
          double result = 0;
          for (double d : numbers) {
              result += d;
          }
          return result;
      }
  
      public enum Day {
  
          SUNDAY, MONDAY, TUESDAY, WEDNESDAY,
          THURSDAY, FRIDAY, SATURDAY
      }
  
      @Command(description = "Convert day of week to an ordinal", alias = "dow, day")
      public int dayOfWeek(@Argument(name = "Day") Day day) {
          return day.ordinal();
      }
  
      @Command(description = "Always generates an error")
      public void error() {
          throw new UnsupportedOperationException("This command not allowed");
      }
  
      @Command(name = "ACrazyLongNameToTestIfHelpFormatingWorks", description = "A very long command that does nothing", level = Command.ENGINEERING1)
      public void longCommand() {
      }
  }