From fbfdaef4327be93be85452bc8e53bb5ca05ab06a Mon Sep 17 00:00:00 2001
From: Kohsuke Kawaguchi <kk@kohsuke.org>
Date: Sun, 27 Mar 2011 16:22:08 -0700
Subject: [PATCH] made to work with JBoss6

---
 changelog.html                                |  2 ++
 .../src/main/java/hudson/remoting/Which.java  | 23 +++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/changelog.html b/changelog.html
index 1ef6282ec3..71a76b5acb 100644
--- a/changelog.html
+++ b/changelog.html
@@ -81,6 +81,8 @@ Upcoming changes</a>
   <li class=bug>
     Rebuilding dependency graph was taking much too long for big maven projects
     (<a href="http://issues.jenkins-ci.org/browse/JENKINS-7535">issue 7535</a>)    
+  <li class=bug>
+    Maven builds didn't work in JBoss 6.
   <li class=rfe>
     Ping setup for detecting bad master/slave communication is done more consistently now
     (<a href="http://issues.jenkins-ci.org/browse/JENKINS-8990">issue 8990</a>)
diff --git a/remoting/src/main/java/hudson/remoting/Which.java b/remoting/src/main/java/hudson/remoting/Which.java
index e266ea5709..c2196246bb 100644
--- a/remoting/src/main/java/hudson/remoting/Which.java
+++ b/remoting/src/main/java/hudson/remoting/Which.java
@@ -28,6 +28,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
 import java.net.URL;
 import java.net.MalformedURLException;
 import java.net.URLConnection;
@@ -130,7 +131,29 @@ public class Which {
             } finally {
                 is.close();
             }
+        }
 
+        if(resURL.startsWith("vfs:")) {
+            // JBoss6
+            String dotdot="";
+            for (int i=clazz.getName().split("\\.").length; i>1; i--)
+                dotdot+="../";
+
+            try {
+                URL jar = new URL(res,dotdot);
+                String path = jar.getPath();
+                if (path.endsWith("/")) path=path.substring(0,path.length()-1);
+                // obtain the file name portion
+                String fileName = path.substring(path.lastIndexOf('/')+1);
+
+                Object vfs = new URL(jar,"..").getContent(); // a VirtualFile object pointing to the parent of the jar
+                File dir = (File)vfs.getClass().getMethod("getPhysicalFile").invoke(vfs);
+
+                File jarFile = new File(dir,fileName);
+                if (jarFile.exists())   return jarFile;
+            } catch (Exception e) {
+                LOGGER.log(Level.FINE, "Failed to resolve vfs file into a location",e);
+            }
         }
 
         URLConnection con = res.openConnection();