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;;; ob-java.el --- org-babel functions for java evaluation
;; Copyright (C) 2011-2017 Free Software Foundation, Inc.
;; Author: Eric Schulte
;; Keywords: literate programming, reproducible research
;; Homepage: http://orgmode.org
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Currently this only supports the external compilation and execution
;; of java code blocks (i.e., no session support).
;;; Code:
(require 'ob)
(defvar org-babel-tangle-lang-exts)
(add-to-list 'org-babel-tangle-lang-exts '("java" . "java"))
(defvar org-babel-java-command "java"
"Name of the java command.")
(defvar org-babel-java-compiler "javac"
"Name of the java compiler.")
(defun org-babel-execute:java (body params)
(let* ((classname (or (cdr (assoc :classname params))
(error
"Can't compile a java block without a classname")))
(packagename (file-name-directory classname))
(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))
(compile
(progn (with-temp-file src-file (insert full-body))
(org-babel-eval
(concat org-babel-java-compiler
" " cmpflag " " src-file) ""))))
;; created package-name directories if missing
(unless (or (not packagename) (file-exists-p packagename))
(make-directory packagename 'parents))
(let ((results (org-babel-eval (concat org-babel-java-command
" " cmdline " " classname) "")))
(org-babel-reassemble-table
(org-babel-result-cond (cdr (assoc :result-params params))
(org-babel-read results)
(let ((tmp-file (org-babel-temp-file "c-")))
(with-temp-file tmp-file (insert results))
(org-babel-import-elisp-from-file tmp-file)))
(org-babel-pick-name
(cdr (assoc :colname-names params)) (cdr (assoc :colnames params)))
(org-babel-pick-name
(cdr (assoc :rowname-names params)) (cdr (assoc :rownames params)))))))
(provide 'ob-java)
;;; ob-java.el ends here
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