code: public InputStream getResourceAsStream(String resourceName) {
  		InputStream is = null;
  		String realPath = getRealResourcePath(resourceName);
  		if (isFileSystemPath(resourceName, realPath)) { // The resource has been
  														// remapped to a file
  														// system path
  			try {
  				is = new FileInputStream(realPath);
  			} catch (FileNotFoundException e) {
  				LOGGER.debug("The resource " + realPath + " has not been found");
  			}
  		}
  		if (is == null) {
  			is = super.getResourceAsStream(realPath);
  		}
  		return is;
  	}
docs: /*
  (non-Javadoc)
  
  @see net.jawr.web.resource.handler.reader.ServletContextResourceReader#
  getResourceAsStream(java.lang.String)