Here you can find the source of getClass(Object classLoaderMakedObject, File file, String targetClass)
public static Class<?> getClass(Object classLoaderMakedObject, File file, String targetClass) throws Exception
//package com.java2s; /*/* w w w . j a va 2 s.co m*/ file of LaBeeFramework https://www.bee-wkspace.com/ Copyright (C) 2016- Naoki Yoshioka (ARTS Laboratory) http://www.arts-lab.net/dev/ This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. */ import java.io.File; import java.net.URL; import java.net.URLClassLoader; public class Main { public static Class<?> getClass(Object classLoaderMakedObject, File file, String targetClass) throws Exception { URL[] urls = { file.toURI().toURL() }; URLClassLoader classLoader = (URLClassLoader) classLoaderMakedObject.getClass().getClassLoader(); ClassLoader loader = URLClassLoader.newInstance(urls, classLoader); Class<?> clazz = loader.loadClass(targetClass); return clazz; } }