code: public InputStream getResourceAsStream( String path ) {
          Object in = null;
          if ( externalClassLoader != null )
              // classloader wants no leading slash
              in = externalClassLoader.getResourceAsStream( path.substring(1) );
          if ( in == null )
              return Interpreter.class.getResourceAsStream( path );
  
          return (InputStream) in;
      }
docs: Get a resource stream using the BeanShell classpath
  @param path should be an absolute path