Java Utililty Methods ClassPath Get

List of utility methods to do ClassPath Get

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Description

The list of methods to do ClassPath Get are organized into topic(s).

Method

URLgetClasspathResource(final String resource)
get Classpath Resource 
return Thread.currentThread().getContextClassLoader().getResource(resource);
URLgetClasspathResource(String name)
Finds the class path resource with the given name and returns it as a URL. 
return Thread.currentThread().getContextClassLoader().getResource(name);
InputStreamgetClasspathResource(String path)
get Classpath Resource 
if (path == null) {
    throw new IllegalArgumentException("the parameter 'path' is required.");
URL url = getClasspathResourceURL(path);
if (url == null) {
    throw new IllegalArgumentException("the resource path[" + path + "] could not be found.");
InputStream inStream;
...
FilegetClasspathResourceAsFile(String resourceName)
get Classpath Resource As File 
return new File(
        new URI(Thread.currentThread().getContextClassLoader().getResource(resourceName).toString()));
ListgetClassPathResourcesAsStreams(String relativeResourceName)
Search resources within the classpath that match the given name, create input streams from the found resources and return them as a list. 
List<InputStream> result = new ArrayList<InputStream>();
try {
    Enumeration<URL> resourceUrls = Thread.currentThread().getContextClassLoader()
            .getResources(relativeResourceName);
    while (resourceUrls.hasMoreElements()) {
        result.add(((InputStream) (resourceUrls.nextElement().getContent())));
} catch (IOException e) {
...
FilegetClassPathRoot(Class cl)
get Class Path Root 
try {
    String resourceName = translateResourceName(cl);
    URL url = getClassURL(cl.getClassLoader(), resourceName);
    if (url.getProtocol().equals("file")) {
        String fileName = URLDecoder.decode(url.getPath());
        String rootDirName = fileName.replaceAll(resourceName + "$", "");
        return new File(rootDirName);
    } else {
...
StringgetClasspathString()
get Classpath String 
ClassLoader cl = Optional.ofNullable(Thread.currentThread().getContextClassLoader())
        .orElse(ClassLoader.getSystemClassLoader());
while (!URLClassLoader.class.isInstance(cl)) {
    cl = cl.getParent();
    if (cl == null)
        return "Classpath is empty";
return "  " + Stream.of(cl).map(URLClassLoader.class::cast).flatMap(c -> Arrays.stream(c.getURLs()))
...