jodd-core-9/src/main/java/jodd/bridge/ClassPathURLs.java
public static URL[] of(ClassLoader classLoader, Class clazz) {
		if (clazz == null) {
			clazz = ClassPathURLs.class;
		}
		if (classLoader == null) {
			classLoader = clazz.getClassLoader();
		}
		final Set<URL> urls = new LinkedHashSet<>();

		while (classLoader != null) {
			if (classLoader instanceof URLClassLoader) {
				URLClassLoader urlClassLoader = (URLClassLoader) classLoader;
				URL[] allURLS = urlClassLoader.getURLs();
				Collections.addAll(urls, allURLS);
				break;
			}

			URL classUrl = classModuleUrl(classLoader, clazz);
			if (classUrl != null) {
				urls.add(classUrl);
			}
			classUrl = classModuleUrl(classLoader, ClassPathURLs.class);
			if (classUrl != null) {
				urls.add(classUrl);
			}

			ModuleDescriptor moduleDescriptor = clazz.getModule().getDescriptor();

			if (moduleDescriptor != null) {
				moduleDescriptor.requires().forEach(req -> {
					ModuleLayer.boot()
						.findModule(req.name())
						.ifPresent(mod -> {
							ClassLoader moduleClassLoader = mod.getClassLoader();
							if (moduleClassLoader != null) {
								URL url = moduleClassLoader.getResource(MANIFEST);
								if (url != null) {
									url = fixManifestUrl(url);
									urls.add(url);
								}
							}
						});
				});
			}

			classLoader = classLoader.getParent();
		}

		return urls.toArray(new URL[0]);
	}
public static URL[] of(ClassLoader classLoader, Class clazz) {
		if (clazz == null) {
			clazz = ClassPathURLs.class;
		}
		if (classLoader == null) {
			classLoader = clazz.getClassLoader();
		}
		final Set<URL> urls = new LinkedHashSet<>();

		while (classLoader != null) {
			if (classLoader instanceof URLClassLoader) {
				URLClassLoader urlClassLoader = (URLClassLoader) classLoader;
				URL[] allURLS = urlClassLoader.getURLs();
				Collections.addAll(urls, allURLS);
				break;
			}

			URL classUrl = classModuleUrl(classLoader, clazz);
			if (classUrl != null) {
				urls.add(classUrl);
			}
			classUrl = classModuleUrl(classLoader, ClassPathURLs.class);
			if (classUrl != null) {
				urls.add(classUrl);
			}

			ModuleDescriptor moduleDescriptor = clazz.getModule().getDescriptor();

			if (moduleDescriptor != null) {
				moduleDescriptor.requires().forEach(req -> {
					ModuleLayer.boot()
						.findModule(req.name())
						.ifPresent(mod -> {
							ClassLoader moduleClassLoader = mod.getClassLoader();
							if (moduleClassLoader != null) {
								URL url = moduleClassLoader.getResource(MANIFEST);
								if (url != null) {
									url = fixManifestUrl(url);
									urls.add(url);
								}
							}
						});
				});
			}

			classLoader = classLoader.getParent();
		}

		return urls.toArray(new URL[0]);
	}
public static URL [ ] of ( ClassLoader classLoader , Class clazz ) { if ( clazz == null ) { clazz = ClassPathURLs . class ; } if ( classLoader == null ) { classLoader = clazz . getClassLoader ( ) ; } final Set < URL > urls = new LinkedHashSet <> ( ) ; while ( classLoader != null ) { if ( classLoader instanceof URLClassLoader ) { URLClassLoader urlClassLoader = ( URLClassLoader ) classLoader ; URL [ ] allURLS = urlClassLoader . getURLs ( ) ; Collections . addAll ( urls , allURLS ) ; break ; } URL classUrl = classModuleUrl ( classLoader , clazz ) ; if ( classUrl != null ) { urls . add ( classUrl ) ; } classUrl = classModuleUrl ( classLoader , ClassPathURLs . class ) ; if ( classUrl != null ) { urls . add ( classUrl ) ; } ModuleDescriptor moduleDescriptor = clazz . getModule ( ) . getDescriptor ( ) ; if ( moduleDescriptor != null ) { moduleDescriptor . requires ( ) . forEach ( req -> { ModuleLayer . boot ( ) . findModule ( req . name ( ) ) . ifPresent ( mod -> { ClassLoader moduleClassLoader = mod . getClassLoader ( ) ; if ( moduleClassLoader != null ) { URL url = moduleClassLoader . getResource ( MANIFEST ) ; if ( url != null ) { url = fixManifestUrl ( url ) ; urls . add ( url ) ; } } } ) ; } ) ; } classLoader = classLoader . getParent ( ) ; } return urls . toArray ( new URL [ 0 ] ) ; }
Returns urls for the classloader.

@param classLoader classloader in which to find urls
@return list of urls or {@code null} if not found
Returns urls for the classloader .