Raw String Literal Library Support

[Stephen Colebourne]

On 14 March 2018 at 23:55, Stuart Marks <stuart.marks at oracle.com> wrote:
> So, how about we define trimLeft, trimRight, and trimWhitespace
> all in terms of Character.isWhitespace?

This seems like a reasonable approach. I'd expect tab to be trimmed for example.

Commons-Lang is a good source to consider when looking at naming.
https://commons.apache.org/proper/commons-lang/javadocs/api-release/org/apache/commons/lang3/StringUtils.html

Rather than re-using "trim", commons-lang uses "strip". So you have
strip(), stripLeft() and stripRight().

If you want to stick with "trim", how about trimAll() instead of
trimWhitespace(). Shorter and more obvious I think. Otherwise, I think
you'd need trimWhitespaceLeft() and trimWhitespaceRight() to match.

In line with these whitespace methods, I'd like to see isBlank()
added, could also be named isWhitespace(). The existing isEmpty()
method is fine, but a lot of the time user input validation routines
want to base their decision on "empty once trimmed". str.isBlank()
would be the same as str.trimAll().isEmpty() but without the object
creation.

Finally, a constant for EMPTY has always been missing from
java.lang.String. It would be great to add it.

Stephen