code: public URL findResource(final String name) {
  
          if (log.isDebugEnabled())
              log.debug("    findResource(" + name + ")");
  
          URL url = null;
  
          ResourceEntry entry = (ResourceEntry) resourceEntries.get(name);
          if (entry == null) {
              entry = findResourceInternal(name, name);
          }
          if (entry != null) {
              url = entry.source;
          }
  
          if ((url == null) && hasExternalRepositories)
              url = super.findResource(name);
  
          if (log.isDebugEnabled()) {
              if (url != null)
                  log.debug("    --> Returning '" + url.toString() + "'");
              else
                  log.debug("    --> Resource not found, returning null");
          }
          return (url);
  
      }
docs: Find the specified resource in our local repository, and return a
  <code>URL</code> refering to it, or <code>null</code> if this resource
  cannot be found.
  
  @param name Name of the resource to be found