Hi Bart
Good, this was a missing feature.
Is there any reason to embed variables in an inner "Data" class ?
Regards
Thierry
Le 22/06/2014 00:30, Bart Post a écrit :
> * lisp/ob-java.el: (org-babel-execute:java): Inject a private static
> class inside the Java class designated by
> `:classname'.
> (org-babel-variable-assignments:java): Assign the header variables to
> static fields in a private static class
> `Data'.
> (org-babel-java-var-to-java): Translate string to String, list to
> java.util.List, float to double and others to int.
> ---
> lisp/ob-java.el | 39 ++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 38 insertions(+), 1 deletion(-)
>
> diff --git a/lisp/ob-java.el b/lisp/ob-java.el
> index 8c64171..a2a1f40 100644
> --- a/lisp/ob-java.el
> +++ b/lisp/ob-java.el
> @@ -58,7 +58,13 @@ parameters may be used, like javac -verbose"
> (src-file (concat classname ".java"))
> (cmpflag (or (cdr (assoc :cmpflag params)) ""))
> (cmdline (or (cdr (assoc :cmdline params)) ""))
> - (full-body (org-babel-expand-body:generic body params))
> + (split-body
> + (split-string body (concat classname "[\n\t ]*{")))
> + (full-body
> + (org-babel-expand-body:generic
> + (concat (car split-body) (concat classname " {\n")
> (org-babel-variable-assignments:java params)
> + (mapconcat 'identity (cdr split-body) (concat classname "
> {")))
> + params))
> (compile
> (progn (with-temp-file src-file (insert full-body))
> (org-babel-eval
> @@ -80,6 +86,37 @@ parameters may be used, like javac -verbose"
> (org-babel-pick-name
> (cdr (assoc :rowname-names params)) (cdr (assoc :rownames
> params)))))))
>
> +(defun org-babel-variable-assignments:java (params)
> + "Return an internal Java class assigning the block's variables."
> + (concat " private static class Data {\n"
> + (mapconcat 'identity
> + (mapcar
> + (lambda (pair)
> + (format " public static %s %s = %s;"
> + (cond
> + ((stringp (cdr pair)) "String")
> + ((listp (cdr pair)) "java.util.List")
> + ((floatp (cdr pair)) "double")
> + (t "int"))
> + (car pair)
> + (org-babel-java-var-to-java (cdr pair))))
> + (mapcar #'cdr (org-babel-get-header params :var)))
> + "\n")
> + "\n }")
> + )
> +
> +(defun org-babel-java-var-to-java (var)
> + "Convert an elisp value to a java string.
> +Convert an elisp value, VAR, into a string of Java source code
> +specifying a variable of the same value."
> + (if (listp var)
> + (concat "java.util.Arrays.asList(" (mapconcat
> #'org-babel-java-var-to-java var ", ") ")")
> + (if (equal var 'hline)
> + "null"
> + (format
> + (if (and (stringp var) (string-match "[\n\r]" var)) "\"\"%S\"\"" "%S")
> + var))))
> +
> (provide 'ob-java)
>
>
