Method setOpen

src/main/java/org/bukkit/material/Door.java:42–44

Configure this door to be either open or closed; @param isOpen True to open the door.

(boolean isOpen)

     * @param isOpen True to open the door.
     */
    public void setOpen(boolean isOpen) {
        setData((byte) (isOpen ? (getData() | 0x4) : (getData() & ~0x4)));
    }

    /**
     * @return whether this is the top half of the door