Java Utililty Methods Class Loader

URL url = loader.getResource(path);
if (url == null) {
    return null;
if (url.getProtocol().equals("file")) {
    try {
        return new FileInputStream(new File(url.toURI()));
    } catch (URISyntaxException e) {
...

ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
return new URLClassLoader(new URL[] { getToolsJarUrl() }, systemClassLoader);

if ((f == null) || (!f.exists())) {
    return false;
File biz = new File(f.getAbsolutePath() + "/biz");
if (!biz.exists()) {
    System.err.println("Path not exists:" + biz);
final List<String> filenames = new ArrayList<String>();
...

String serviceFile = SERVICES + "/" + serviceClass.getName();
LinkedHashSet<Class<? extends T>> providers = new LinkedHashSet<Class<? extends T>>();
LinkedHashSet<Class<? extends T>> vetoedProviders = new LinkedHashSet<Class<? extends T>>();
try {
    Enumeration<URL> enumeration = loader.getResources(serviceFile);
    while (enumeration.hasMoreElements()) {
        final URL url = enumeration.nextElement();
        final InputStream is = url.openStream();
...

return Class.forName(className);

Class<?> clazz = classMap.get(className);
if (clazz == null) {
    clazz = doLoad(path, className);
    if (clazz != null) {
        classMap.put(className, clazz);
return clazz;
...

List<URL> urlList = new ArrayList<URL>();
urlList.addAll(loadAutoConfigFiles(classloader, "META-INF/autoconf/auto-config.xml"));
urlList.addAll(loadAutoConfigFiles(classloader, "META-INF/auto-config.xml"));
return urlList;

Class<?> componentType = null;
int[] dimensions = null;
int dot = 0;
while (componentType == null) {
    char dotChar = aName.charAt(dot);
    if (dotChar == '[') {
        dot++;
        continue;
...

if (cName.startsWith("[")) {
    return loadArrayClass(cl, cName);
try {
    return cl.loadClass(cName);
} catch (Throwable th) {
    return null;

try {
    return getClassLoaderForDirectory(baseFolder).loadClass(qualifiedType);
} catch (ClassNotFoundException | MalformedURLException e) {
    throw new IllegalStateException(e);