code: public static InputStream getSystemResourceAsStream(String name) {
          URL url = getSystemResource(name);
          try {
              return url != null ? url.openStream() : null;
          } catch (IOException e) {
              return null;
          }
      }
docs: Open for reading, a resource of the specified name from the search path
  used to load classes.  This method locates the resource through the
  system class loader (see {@link #getSystemClassLoader()}).
  
  @param  name
  The resource name
  
  @return  An input stream for reading the resource, or <tt>null</tt>
  if the resource could not be found
  
  @since  1.1