org.apache.jmeter.DynamicClassLoader Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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.
*/
package org.apache.jmeter;
import java.net.URL;
import java.net.URLClassLoader;
import java.net.URLStreamHandlerFactory;
/**
* This is a basic URL classloader for loading new resources
* dynamically.
*
* It allows public access to the addURL() method.
*
* It also adds a convenience method to update the current thread classloader
*
*/
public class DynamicClassLoader extends URLClassLoader {
public DynamicClassLoader(URL[] urls) {
super(urls);
}
public DynamicClassLoader(URL[] urls, ClassLoader parent) {
super(urls, parent);
}
public DynamicClassLoader(URL[] urls, ClassLoader parent,
URLStreamHandlerFactory factory) {
super(urls, parent, factory);
}
// Make the addURL method visible
@Override
public void addURL(URL url) {
super.addURL(url);
}
/**
* Returns list of URLs to add to the thread's classloader.
* @param urls - list of URLs to add to the thread's classloader
*/
public static void updateLoader(URL [] urls) {
DynamicClassLoader loader
= (DynamicClassLoader) Thread.currentThread().getContextClassLoader();
for(URL url : urls) {
loader.addURL(url);
}
}
}