On Oct 28, 8:48 am, Stuart Halloway [EMAIL PROTECTED] wrote:
Hi all,
When I am troubleshooting classloader problems I find myself wanting
to know the list of URLs currently on the classpath. I didn't find
this exposed anywhere, so I wrote the functions below.
Usage:
(take 3 (classpath-url-seq))
- (file:/Users/stuart/relevance/personal/SHCLOJ_svn/Book/code/
file:/Users/stuart/repos/clojure-contrib/clojure-contrib.jar
file:/Users/stuart/devtools/java/joda-time-1.5.2/joda-
time-1.5.2.jar)
Of course to be most helpful this needs to be in clojure.jar --
otherwise you might have classloader problems loading the classloader
help code. :-) Not sure if this is general enough to deserve to be in
clojure.jar, but you're welcome to it if others find it useful.
Stuart
; ---
(defn classloader-seq
([] (classloader-seq (clojure.lang.RT/baseLoader)))
([cl]
(loop [loaders (vector cl)]
(if (nil? (last loaders))
(drop-last loaders)
(recur (conj loaders (.getParent (last loaders
(defn classpath-url-seq [ args]
(map (memfn toExternalForm)
(reduce concat
(map (memfn getURLs)
(apply classloader-seq args)
I like it. I think it is a good idea to put it in clojure.jar. It
certainly helps troubleshooting.
Allen
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