Method setFacingDirection

src/main/java/org/bukkit/material/Stairs.java:59–82

Set the direction the stair part of the block is facing

(BlockFace face)

     * Set the direction the stair part of the block is facing
     */
    public void setFacingDirection(BlockFace face) {
        byte data;

        switch (face) {
        case NORTH:
        default:
            data = 0x0;
            break;

        case SOUTH:
            data = 0x1;
            break;

        case EAST:
            data = 0x2;
            break;

        case WEST:
            data = 0x3;
            break;
        }

        setData(data);
    }

    /**
     * @return the direction the stair part of the block is facing