DPML Notify

[mcconnell at BerliOS <mcconnell AT mail.berlios.de>]

Author: mcconnell
Date: 2006-02-14 07:22:39 +0100 (Tue, 14 Feb 2006)
New Revision: 1091

Modified:
   trunk/main/transit/core/src/main/net/dpml/transit/StandardLoader.java
Log:
check we are not doing an addition of nothing to the system classloader 
before attempting to add content

Modified: 
trunk/main/transit/core/src/main/net/dpml/transit/StandardLoader.java
===================================================================
--- trunk/main/transit/core/src/main/net/dpml/transit/StandardLoader.java     
  2006-02-14 05:48:54 UTC (rev 1090)
+++ trunk/main/transit/core/src/main/net/dpml/transit/StandardLoader.java     
  2006-02-14 06:22:39 UTC (rev 1091)
@@ -600,16 +600,19 @@
 
         URI[] systemArtifacts = descriptor.getDependencies( Category.SYSTEM 
);
         URL[] sysUrls = getURLs( systemArtifacts );
-        updateSystemClassLoader( plugin, sysUrls );
-
+        if( sysUrls.length > 0 )
+        {
+            updateSystemClassLoader( plugin, sysUrls );
+        }
+        
         URI[] apiArtifacts = descriptor.getDependencies( Category.PUBLIC );
         URL[] apis = getURLs( apiArtifacts  );
         ClassLoader api = buildClassLoader( plugin, Category.PUBLIC, base, 
apis );
-
+        
         URI[] spiArtifacts = descriptor.getDependencies( Category.PROTECTED 
);
         URL[] spis = getURLs( spiArtifacts );
         ClassLoader spi = buildClassLoader( plugin, Category.PROTECTED, api, 
spis );
-
+        
         URI[] impArtifacts = descriptor.getDependencies( Category.PRIVATE );
         URL[] imps = getURLs( impArtifacts );
         ClassLoader classloader = buildClassLoader( plugin, 
Category.PRIVATE, spi, imps );