One alternative to this would be to start a Nailgun server. You can add to the classpath quite easily.
That said, this looks pretty interesting. Ambrose On Thu, Mar 31, 2011 at 8:19 PM, Vitaly Peressada <vit...@ufairsoft.com>wrote: > Wanted to add jar to classpath without restarting REPL. Recalled java > reflection hack. Ported to Clojure. > > user=> (import (org.apache.commons.cli Parser)) > ; fails with "#<CompilerException java.lang.ClassNotFoundException: > org.apache.commons.cli.Parser" > > user=> > (import (java.io File) > (java.net URL URLClassLoader) > (java.lang.reflect Method)) > > (defn add-to-cp [#^String jarpath] > (let [#^URL url (.. (File. jarpath) toURI toURL) > url-ldr-cls (. (URLClassLoader. (into-array URL [])) getClass) > arr-cls (into-array Class [(. url getClass)]) > arr-obj (into-array Object [url]) > #^Method mthd (. url-ldr-cls getDeclaredMethod "addURL" arr- > cls)] > (doto mthd > (.setAccessible true) > (.invoke (ClassLoader/getSystemClassLoader) arr-obj)) > (println (format "Added %s to classpath" jarpath)))) > > ; any jar not on a classpath will do > (add-to-cp "c:/m2repo/commons-cli/commons-cli/1.0/commons- > cli-1.0.jar") > > ; import any class from loaded jar > (import (org.apache.commons.cli Parser)) > > Has anyone seen something similar? If no, do you think this could be > useful in clojure.contrib.repl-utils or else? > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
