复制到剪贴板的JavaFX String从空字符'\\ u0000'开始被截断

Question

I have a String with null characters. When I copy it to clipboard and paste to notepad, I receive only the beginning of the line, before null character. Is it a JavaFX bug?

String data = "begginning\u0000ending";
ClipboardContent content = new ClipboardContent();
content.putString(data);
Clipboard.getSystemClipboard().setContent(content);
// Output will be "beginning"

Answer 1

That is likely a restriction of whatever clipboard system you're putting it in. A lot of those use C APIs under the hood and a C string can't contain a null character, because null is used as a terminator.

And indeed: Windows can't have null characters in the clipboard at all , and I suspect it's not alone in having this restriction.

So in this case the result you got is the best that the JavaFX Clipboard API can hope to do.