SignContent.java 文件源码

public static SignContent fromItemStack(ItemStack item) {
    SignContent content = new SignContent();
    if (item.hasItemMeta() && item.getItemMeta() instanceof BlockStateMeta) {
        BlockStateMeta blockStateMeta = (BlockStateMeta) item.getItemMeta();
        if (blockStateMeta.hasBlockState() && blockStateMeta.getBlockState() instanceof Sign) {
            Sign sign = ((Sign) blockStateMeta.getBlockState());
            for (int i = 0; i < 4; i++) {
                content.setLine(i, sign.getLine(i));
            }
        }
    }
    return content;
}