ClassLoadersInspector.java

ClassLoadersInspector.java

import static java.lang.System.out;
import static java.util.Arrays.stream;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Stream.generate;

import java.net.URL;
import java.net.URLClassLoader;

class ClassLoadersInspector {

	static void inspectClassLoaders (ClassLoader loader) {
		if (loader == null) {
			return;
		}
		out.println(generate( () -> "-").limit(80).collect(joining()));

		out.println("toString() = " + loader);

		if (loader instanceof URLClassLoader) {
			URLClassLoader urlLoader = (URLClassLoader) loader;

			String urls = stream(urlLoader.getURLs())
				.map(URL::toString)
				.map(s -> "- " + s)
				.collect(joining("\n", "getURLs() =\n", "\n"));
			out.println(urls);
		}

		out.println(generate( () -> "-").limit(80).collect(joining()));
		inspectClassLoaders(loader.getParent());
	}

}