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; Copyright (c) Christophe Grand, November 2008. All rights reserved.
; The use and distribution terms for this software are covered by the
; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
; which can be found in the file epl-v10.html at the root of this
; distribution.
; By using this software in any fashion, you are agreeing to be bound by
; the terms of this license.
; You must not remove this notice, or any other, from this software.
; thanks to Stuart Sierra
; a repl helper to quickly open javadocs.
(def *feeling-lucky-url* "http://www.google.com/search?btnI=I%27m%20Feeling%20Lucky&q=allinurl:")
(def *feeling-lucky* true)
(def
#^{:doc "Ref to a list of local paths for Javadoc-generated HTML
files."}
*local-javadocs* (ref (list)))
(def *core-java-api*
(if (= "1.5" (System/getProperty "java.specification.version"))
"http://java.sun.com/j2se/1.5.0/docs/api/"
"http://java.sun.com/javase/6/docs/api/"))
(def
#^{:doc "Ref to a map from package name prefixes to URLs for remote
Javadocs."}
*remote-javadocs*
(ref (sorted-map
"java." *core-java-api*
"javax." *core-java-api*
"org.ietf.jgss." *core-java-api*
"org.omg." *core-java-api*
"org.w3c.dom." *core-java-api*
"org.xml.sax." *core-java-api*
"org.apache.commons.codec." "http://commons.apache.org/codec/api-release/"
"org.apache.commons.io." "http://commons.apache.org/io/api-release/"
"org.apache.commons.lang." "http://commons.apache.org/lang/api-release/")))
(defn add-local-javadoc
"Adds to the list of local Javadoc paths."
[path]
(dosync (commute *local-javadocs* conj path)))
(defn add-remote-javadoc
"Adds to the list of remote Javadoc URLs. package-prefix is the
beginning of the package name that has docs at this URL."
[package-prefix url]
(dosync (commute *remote-javadocs* assoc package-prefix url)))
(defn find-javadoc-url
"Searches for a URL for the given class name. Tries
*local-javadocs* first, then *remote-javadocs*. Returns a string."
{:tag String}
[#^String classname]
(let [file-path (.replace classname \. File/separatorChar)
url-path (.replace classname \. \/)]
(if-let [file #^File (first
(filter #(.exists #^File %)
(map #(File. (str %) (str file-path ".html"))
@*local-javadocs*)))]
(-> file .toURI str)
;; If no local file, try remote URLs:
(or (some (fn [[prefix url]]
(when (.startsWith classname prefix)
(str url url-path ".html")))
@*remote-javadocs*)
;; if *feeling-lucky* try a web search
(when *feeling-lucky* (str *feeling-lucky-url* url-path ".html"))))))
(defn javadoc
"Opens a browser window displaying the javadoc for the argument.
Tries *local-javadocs* first, then *remote-javadocs*."
[class-or-object]
(let [#^Class c (if (instance? Class class-or-object)
class-or-object
(class class-or-object))]
(if-let [url (find-javadoc-url (.getName c))]
(browse-url url)
(println "Could not find Javadoc for" c))))
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