Classpath Prober

gistfile1.txt

import java.net.URISyntaxException;

public class ClassLoaders {
	
	static void handle(Throwable e){
		throw new RuntimeException("Exception " + e, e);
	}
	
	static void load(String toLoad) {
		String resRef = toLoad.replaceAll("\\.","/") + ".class";
		System.out.println("Loading " + toLoad + " using resource id " + resRef);
		String url = null;
		try {
			url = ClassLoaders.class.getResource(resRef).toURI().toString();
		} catch (URISyntaxException e) {
			handle(e);
		}
		System.out.println("Loader from url " + url);
		Class theClass=null;
		try {
			theClass = Class.forName(toLoad);
		} catch (ClassNotFoundException e) {
			handle(e);
		}
		System.out.println("Loaded by Classloader " + theClass.getClassLoader());
	}
	
	public static void main(String[] args) {
		System.out.println("ClassLoaders.java args: " + args.length);
		String toLoad = (args.length > 0) ? args[0] : "org.junit.Test";
		load(toLoad);
		System.exit(0);
	}
}