doomemacs/init/init-java.el

(defun my-java-project-package ()
  (if (eq major-mode 'java-mode)
    (s-chop-suffix "." (s-replace "/" "." (f-dirname (f-relative (buffer-file-name)
                                                                 (concat (project-root) "/src/")))))
    ""))

(defun my-java-class-name ()
  (if (eq major-mode 'java-mode)
      (f-no-ext (f-base (buffer-file-name)))
    ""))

(use-package eclim
  :commands (eclim-mode global-eclim-mode)
  :init
  (progn
    (setq eclim-eclipse-dirs '("/Applications/eclipse")
          eclim-executable "/Applications/eclipse/eclim")
    (when (f-exists? eclim-executable)
      (add-hook 'java-mode-hook 'eclim-mode)))
  :config
  (progn
    ;; (use-package eclim-ant)
    ;; (use-package eclim-maven)
    (use-package eclim-problems)
    (use-package eclim-project)
    (use-package eclimd)

    (setq help-at-pt-display-when-idle t)
    (setq help-at-pt-timer-delay 0.1)
    (help-at-pt-set-timer)

    (push "*eclim: problems*" winner-boring-buffers)

    (after "company"
      (use-package company-emacs-eclim
        :config (company-emacs-eclim-setup)))

    (bind 'motion java-mode-map "gd" 'eclim-java-find-declaration)))

(use-package groovy-mode :mode "\\.gradle$")

(use-package android-mode
  :defer t
  :init
  (progn
    (defun my-android-mode-enable-maybe ()
      (let ((root (project-root)))
        (when (or (project-has-files "local.properties" root)
                  (project-has-files "AndroidManifest.xml" root)
                  (project-has-files "src/main/AndroidManifest.xml" root))
          (android-mode +1)
          (set-build-command "./gradlew %s" "build.gradle"))))
    (after "company" (add-to-list 'company-dictionary-major-minor-modes 'android-mode))
    (add-hook 'java-mode-hook    'my-android-mode-enable-maybe)
    (add-hook 'groovy-mode-hook  'my-android-mode-enable-maybe)
    (add-hook 'nxml-mode-hook    'my-android-mode-enable-maybe)
    (add-hook! 'android-mode-hook (my--init-yas-mode 'android-mode))))


(provide 'init-java)
;;; init-java.el ends here