package security;

import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLClassLoader;

import java.nio.file.Files;

import java.nio.file.Paths;

/**

* Created by max on 2/15/17.

*/

public class ClassLoaderLesson {

public static void main(String[] args) throws MalformedURLException, ClassNotFoundException {

URL url = new URL("file://home/max/Downloads/BumperSticker.jar");

URLClassLoader pluginLoader = new URLClassLoader(new URL[] { url });

Class<?> cl = pluginLoader.loadClass("bumpersticker.BumperSticker");

Thread t = Thread.currentThread();

ClassLoader loader = t.getContextClassLoader();

}

}

class MyLoader extends ClassLoader {

@Override

protected Class<?> findClass(String name) throws ClassNotFoundException {

byte[] bytes = new byte[0];

try {

bytes = Files.readAllBytes(Paths.get("fileName"));

} catch (IOException e) {

e.printStackTrace();

}

Class<?> cl = defineClass(name, bytes, 0,

bytes.length);

return cl;

}

}