JSJavaScriptEngine.java 文件源码

private Object evalReader(Reader in, String filename) {
   try {
     engine.put(ScriptEngine.FILENAME, filename);
     return engine.eval(in);
   } catch (ScriptException sexp) {
     System.err.println(sexp);
     printError(sexp.toString(), sexp);
     } finally {
     try {
       in.close();
     } catch (IOException ioe) {
       printError(ioe.toString(), ioe);
     }
   }
   return null;
}