Direction.java

package edu.stanford.nlp.sempre.interactive.voxelurn;

enum Direction {
  Top, Bot, Left, Right, Front, Back, None;
  public static Direction fromString(String dir) {
    dir = dir.toLowerCase();
    if (dir.equals("up") || dir.equals("top"))
      return Direction.Top;
    if (dir.equals("down") || dir.equals("bot"))
      return Direction.Bot;
    if (dir.equals("left"))
      return Direction.Left;
    if (dir.equals("right"))
      return Direction.Right;
    if (dir.equals("front"))
      return Direction.Front;
    if (dir.equals("back"))
      return Direction.Back;

    return Direction.None;
  }
}