Java Jar File Load loadClassFromJar(String jarAbsolutePath, String className)

Description

load Class From Jar

License

Apache License

Declaration

public static Class loadClassFromJar(String jarAbsolutePath, String className)
            throws MalformedURLException, ClassNotFoundException 

Method Source Code

//package com.java2s;
/*// w  ww  .  j  a  va 2s .  c om
 * Copyright 2015 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;

public class Main {
    public static Class loadClassFromJar(String jarAbsolutePath, String className)
            throws MalformedURLException, ClassNotFoundException {
        Class result;
        URL[] classLoaderUrls = new URL[] { new File(jarAbsolutePath).toURI().toURL() };
        URLClassLoader child = new URLClassLoader(classLoaderUrls);

        result = child.loadClass(className);

        return result;
    }
}

Related

1. loadClassesFromJar(final String jarPath, final CharSequence matchingPath)
2. loadJar(File jar)
3. loadJar(String jarPath)
4. loadJar(String path)
5. loadJarFile(File jarFile, String className)