JDKUtil.java 文件源码

public static URLClassLoader makeMLet ( String url ) throws MalformedURLException, Exception {
    URLClassLoader ucl = new MLet(new URL[] {
        new URL(url)
    });
    Reflections.setFieldValue(ucl, "parent", null);
    Reflections.setFieldValue(ucl, "domains", new HashSet<>());
    Reflections.setFieldValue(ucl, "defaultDomain", null);
    Reflections.setFieldValue(ucl, "acc", null);

    Reflections.setFieldValue(Reflections.getFieldValue(ucl, "ucp"), "acc", null);
    return ucl;
}