Declarative syntax for conditional statements

[Rajiv]

Hi All,

Any opinion on this?

Is it the right forum to ask for opinion? if it is not, could you guys
guide me to right forum?

Thanks
Rajiv

On Mon, Feb 3, 2020 at 5:27 PM Rajiv <thenakliman at gmail.com> wrote:

> Hi All
>
> I want to introduce a new declarative syntax for conditional statements in
> java on the line of streams. I have created a library
> https://github.com/thenakliman/if for the same.
>
> It improves the readability of the code. For example if we have following
> code
>
>
> if (responseEntity.getStatusCode() != HttpStatus.OK) {
>             throw new EmployeeServiceException(format(ERROR_MESSAGE,
> responseEntity.getStatusCode()));
>  } else if (responseEntity.getBody() == null ||
> "".equals(responseEntity.getBody().toString())) {
>             throw new NoContentException(format(NO_CONTENT_FOUND_MESSAGE,
> fromDate, toDate));
>  }
>
>  return responseEntity.getBody();
>
> Can be written as
>
> return If.isTrue(responseEntity.getStatusCode() != HttpStatus.OK)
>        .thenThrow(() -> new EmployeeServiceException(format(ERROR_MESSAGE,
> responseEntity.getStatusCode())))
>        .elseIf(responseEntity.getBody() == null)
>        .thenThrow(() -> new
> NoContentException(format(NO_CONTENT_FOUND_MESSAGE, fromDate, toDate))
>        .elseGet((responseEntity) -> responseEntity.getBody())
>
> For more examples, see
> https://github.com/thenakliman/if/tree/master/src/test/java/com.thenakliman/ifs
>
> It has multiple syntax, we can keep the one that seems more readable and
> concise.
>
> I would like to hear your opinions
>