CommandFactory - Example

CommandFactory.java

package fr.umlv.poo.automate0.command;

import fr.umlv.poo.automate0.robot.Robot;
import fr.umlv.poo.automate0.robot.axis.AxisType;

/**
 * Example: 
 * CommandFactory.create(robot, CommandFactory.AXIS_MOVE_COMMAND, AxisType.X, 120);
 * CommandFactory.create(robot, CommandFactory.PLIERS_OPEN_COMMAND);
 */
public final class CommandFactory {

	public final static int AXIS_MOVE_COMMAND = 0;
	public final static int LIGHT_OFF_COMMAND = AXIS_MOVE_COMMAND + 1;
	public final static int LIGHT_ON_COMMAND = LIGHT_OFF_COMMAND + 1;
	public final static int PLIERS_CLOSE_COMMAND = LIGHT_ON_COMMAND + 1;
	public final static int PLIERS_OPEN_COMMAND = PLIERS_CLOSE_COMMAND + 1;
	
	private CommandFactory() {}
	
	public static Command create(Robot robot, int which, Object... args) {
		
		switch(which) {
			case AXIS_MOVE_COMMAND: {
				return new AxisMoveCommand(robot, (AxisType) args[0], (int) args[1]);
			}
			case LIGHT_OFF_COMMAND: {
				return new LightOffCommand(robot);
			}
			case LIGHT_ON_COMMAND: {
				return new LightOnCommand(robot);
			}
			case PLIERS_CLOSE_COMMAND: {
				return new PliersCloseCommand(robot);
			}
			case PLIERS_OPEN_COMMAND: {
				return new PliersOpenCommand(robot);
			}
			default: {
				throw new IllegalArgumentException();
			}
		}
		
	}
	
}