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1 ; Copyright (c) Christophe Grand, November 2008. All rights reserved.
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2
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rlm@10
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3 ; The use and distribution terms for this software are covered by the
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4 ; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
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5 ; which can be found in the file epl-v10.html at the root of this
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rlm@10
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6 ; distribution.
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7 ; By using this software in any fashion, you are agreeing to be bound by
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8 ; the terms of this license.
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9 ; You must not remove this notice, or any other, from this software.
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10
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rlm@10
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11 ; thanks to Stuart Sierra
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12
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13 ; a repl helper to quickly open javadocs.
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14
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15 (def *feeling-lucky-url* "http://www.google.com/search?btnI=I%27m%20Feeling%20Lucky&q=allinurl:")
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16 (def *feeling-lucky* true)
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17
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rlm@10
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18 (def
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19 ^{:doc "Ref to a list of local paths for Javadoc-generated HTML
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20 files."}
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21 *local-javadocs* (ref (list)))
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22
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23 (def *core-java-api*
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24 (if (= "1.5" (System/getProperty "java.specification.version"))
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25 "http://java.sun.com/j2se/1.5.0/docs/api/"
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26 "http://java.sun.com/javase/6/docs/api/"))
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27
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28 (def
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29 ^{:doc "Ref to a map from package name prefixes to URLs for remote
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30 Javadocs."}
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31 *remote-javadocs*
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32 (ref (sorted-map
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33 "java." *core-java-api*
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34 "javax." *core-java-api*
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35 "org.ietf.jgss." *core-java-api*
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36 "org.omg." *core-java-api*
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37 "org.w3c.dom." *core-java-api*
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38 "org.xml.sax." *core-java-api*
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39 "org.apache.commons.codec." "http://commons.apache.org/codec/api-release/"
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40 "org.apache.commons.io." "http://commons.apache.org/io/api-release/"
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41 "org.apache.commons.lang." "http://commons.apache.org/lang/api-release/")))
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42
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43 (defn add-local-javadoc
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44 "Adds to the list of local Javadoc paths."
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45 [path]
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46 (dosync (commute *local-javadocs* conj path)))
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47
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48 (defn add-remote-javadoc
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49 "Adds to the list of remote Javadoc URLs. package-prefix is the
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50 beginning of the package name that has docs at this URL."
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51 [package-prefix url]
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52 (dosync (commute *remote-javadocs* assoc package-prefix url)))
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53
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54 (defn find-javadoc-url
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55 "Searches for a URL for the given class name. Tries
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56 *local-javadocs* first, then *remote-javadocs*. Returns a string."
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57 {:tag String}
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58 [^String classname]
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59 (let [file-path (.replace classname \. File/separatorChar)
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60 url-path (.replace classname \. \/)]
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61 (if-let [file ^File (first
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62 (filter #(.exists ^File %)
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63 (map #(File. (str %) (str file-path ".html"))
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64 @*local-javadocs*)))]
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65 (-> file .toURI str)
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66 ;; If no local file, try remote URLs:
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67 (or (some (fn [[prefix url]]
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68 (when (.startsWith classname prefix)
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69 (str url url-path ".html")))
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70 @*remote-javadocs*)
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71 ;; if *feeling-lucky* try a web search
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72 (when *feeling-lucky* (str *feeling-lucky-url* url-path ".html"))))))
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73
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74 (defn javadoc
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75 "Opens a browser window displaying the javadoc for the argument.
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76 Tries *local-javadocs* first, then *remote-javadocs*."
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77 [class-or-object]
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78 (let [^Class c (if (instance? Class class-or-object)
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79 class-or-object
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80 (class class-or-object))]
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81 (if-let [url (find-javadoc-url (.getName c))]
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82 (browse-url url)
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83 (println "Could not find Javadoc for" c))))
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