--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mylisp/maven-central.el Sat Jan 02 00:33:04 2021 +0200
@@ -0,0 +1,168 @@
+;;; maven-central.el --- Maven central auxility
+
+;;; Commentary:
+;;
+
+(require 'json)
+(require 'url-handlers)
+(require 'maven)
+
+;;; Code:
+
+(defvar maven-central/buffer-name "*Maven Central*")
+
+(defconst maven-central/search-url "http://search.maven.org/solrsearch/select?wt=json&rows=20")
+
+(defun maven-central/versions-url (groupId artifactId)
+ (concat maven-central/search-url "&core=gav&q=g:" (url-hexify-string groupId) (url-hexify-string " AND ") "a:" (url-hexify-string artifactId)))
+;; (maven-central/versions-url "junit" "junit")
+
+(defun maven-central/versions-callback (status)
+ (let ( (buffer (current-buffer)) json )
+ (with-temp-buffer
+ (url-insert buffer)
+ (goto-char (point-min))
+ (setq json (json-read))
+ ;; (switch-to-buffer maven-central/buffer-name)
+ ;; (pp json)
+ (message "Available versions: %s" (mapconcat (lambda (json) (cdr (assq 'v json))) (cdr (assq 'docs (cdr (assoc 'response json)))) ", "))
+ )))
+
+(defun maven-central/versions (groupId artifactId)
+ "Retrieve available versions."
+ (url-retrieve (maven-central/versions-url groupId artifactId) #'maven-central/versions-callback))
+
+(defun maven-central/last-version-url (groupId artifactId)
+ (concat maven-central/search-url "&q=g:" (url-hexify-string groupId) (url-hexify-string " AND ") "a:" (url-hexify-string artifactId)))
+;; (maven-central/versions-url "junit" "junit")
+
+(defun maven-central/last-version-callback (status)
+ (let ( (buffer (current-buffer)) json )
+ (with-temp-buffer
+ (url-insert buffer)
+ (goto-char (point-min))
+ (setq json (json-read))
+ ;; (switch-to-buffer maven-central/buffer-name)
+ ;; (pp json)
+ (message "Latest version: %s" (cdr (assq 'latestVersion (elt (cdr (assq 'docs (cdr (assoc 'response json)))) 0))))
+ )))
+
+(defun maven-central/last-version (groupId artifactId)
+ "Retrieve last package version."
+ (url-retrieve (maven-central/last-version-url groupId artifactId) #'maven-central/last-version-callback))
+
+;;;###autoload
+(defun maven-central-last-version-from-pom ()
+ (interactive)
+ (let (dependency groupId artifactId)
+ (setq dependency (maven/parse-pom-dependency))
+ (setq groupId (elt dependency 0))
+ (setq artifactId (elt dependency 1))
+ (when (and groupId artifactId)
+ (maven-central/last-version groupId artifactId))
+ ))
+
+;;;###autoload
+(defun maven-central-versions-from-pom ()
+ (interactive)
+ (let (dependency groupId artifactId)
+ (setq dependency (maven/parse-pom-dependency))
+ (setq groupId (elt dependency 0))
+ (setq artifactId (elt dependency 1))
+ (when (and groupId artifactId)
+ (maven-central/versions groupId artifactId))
+ ))
+
+(defun ivy/parse-dependency ()
+ (let ( end groupId artifactId )
+ (save-excursion
+ (if (looking-at "[^>]*<dependency ")
+ (progn (search-forward "<") (backward-char))
+ (search-backward "<dependency " nil t))
+ (when (re-search-forward "<dependency [^/]*/>")
+ (setq end (point))
+ (search-backward "<")
+ (save-restriction
+ (narrow-to-region (point) end)
+ (goto-char (point-min))
+ (when (re-search-forward "\\s-org\\s-*=\\s-*['\"]\\([^'\"]+\\)['\"]" nil t)
+ (setq groupId (match-string 1)))
+ (goto-char (point-min))
+ (when (re-search-forward "\\s-name\\s-*=\\s-*['\"]\\([^'\"]+\\)['\"]" nil t)
+ (setq artifactId (match-string 1)))
+ )))
+ (list groupId artifactId)))
+
+;;;###autoload
+(defun maven-central-last-version-from-ivy ()
+ (interactive)
+ (let (dependency groupId artifactId)
+ (setq dependency (ivy/parse-dependency))
+ (setq groupId (elt dependency 0))
+ (setq artifactId (elt dependency 1))
+ (when (and groupId artifactId)
+ (maven-central/last-version groupId artifactId))
+ ))
+
+;;;###autoload
+(defun maven-central-versions-from-ivy ()
+ (interactive)
+ (let (dependency groupId artifactId)
+ (setq dependency (ivy/parse-dependency))
+ (setq groupId (elt dependency 0))
+ (setq artifactId (elt dependency 1))
+ (when (and groupId artifactId)
+ (maven-central/versions groupId artifactId))
+ ))
+
+(defun maven-central/parse-gradle-dependency ()
+ (let ( groupId artifactId )
+ (save-excursion
+ (goto-char (line-beginning-position))
+ (when (re-search-forward "\\([\"']\\)\\([a-zA-Z0-9.-]+\\):\\([a-zA-Z0-9.-]+\\):?[^\"']*\\1" (line-end-position) t)
+ (setq groupId (match-string 2))
+ (setq artifactId (match-string 3))
+ (list groupId artifactId)))))
+
+;;;###autoload
+(defun maven-central-last-version-from-gradle ()
+ (interactive)
+ (let (dependency groupId artifactId)
+ (setq dependency (maven-central/parse-gradle-dependency))
+ (setq groupId (elt dependency 0))
+ (setq artifactId (elt dependency 1))
+ (when (and groupId artifactId)
+ (maven-central/last-version groupId artifactId))
+ ))
+
+;;;###autoload
+(defun maven-central-versions-from-gradle ()
+ (interactive)
+ (let (dependency groupId artifactId)
+ (setq dependency (maven-central/parse-gradle-dependency))
+ (setq groupId (elt dependency 0))
+ (setq artifactId (elt dependency 1))
+ (when (and groupId artifactId)
+ (maven-central/versions groupId artifactId))
+ ))
+
+(defun maven-central/open (groupId artifactId)
+ "Open in Maven Central WEB page info for package."
+ (browse-url (format "https://mvnrepository.com/artifact/%s/%s" groupId artifactId)))
+
+;;;###autoload
+(defun maven-central-open-from-gradle ()
+ (interactive)
+ (let (dependency groupId artifactId)
+ (setq dependency (maven-central/parse-gradle-dependency))
+ (setq groupId (elt dependency 0))
+ (setq artifactId (elt dependency 1))
+ (when (and groupId artifactId)
+ (maven-central/open groupId artifactId))
+ ))
+
+;; (maven-central/last-version "junit" "junit")
+
+(provide 'maven-central)
+
+;;; maven-central.el ends here