Class Sign

src/main/java/org/bukkit/material/Sign.java:9–230

MaterialData for signs

 * MaterialData for signs
 */
public class Sign extends MaterialData implements Attachable {
    public Sign() {
        super(Material.SIGN_POST);
    }

    public Sign(final int type) {
        super(type);
    }

    public Sign(final Material type) {
        super(type);
    }

    public Sign(final int type, final byte data) {
        super(type, data);
    }

    public Sign(final Material type, final byte data) {
        super(type, data);
    }

    /**
     * Check if this sign is attached to a wall
     *
     * @return true if this sign is attached to a wall, false if set on top of a
     *         block
     */
    public boolean isWallSign() {
        return getItemType() == Material.WALL_SIGN;
    }

    /**
     * Gets the face that this block is attached on
     *
     * @return BlockFace attached to
     */
    public BlockFace getAttachedFace() {
        if (isWallSign()) {
            byte data = getData();

            switch (data) {
            case 0x2:
                return BlockFace.WEST;

            case 0x3:
                return BlockFace.EAST;

            case 0x4:
                return BlockFace.SOUTH;

            case 0x5:
                return BlockFace.NORTH;
            }

            return null;
        } else {
            return BlockFace.DOWN;
        }