Java Utililty Methods Resource Get

List of utility methods to do Resource Get

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Description

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

Method

FilegetResourceFile(Class clazz, String fileName)
get Resource File 
ClassLoader classLoader = clazz.getClassLoader();
URL resource = classLoader.getResource(fileName);
if (resource == null)
    throw new FileNotFoundException(fileName + " not found");
return new File(resource.toURI());
FilegetResourceFile(String name)
Returns a file handle for the resource with the given name. 
URI uri = Thread.currentThread().getContextClassLoader().getResource(name).toURI();
return new File(uri);
URLgetResourceFromBundle(Class clazz, String location)
get Resource From Bundle 
Objects.requireNonNull(clazz);
Objects.requireNonNull(location);
return FrameworkUtil.getBundle(clazz).getResource(location);
URLgetResourceFromFile(String filename)
get Resource From File 
URL url = null;
File file = new File(filename);
if (file.exists()) {
    try {
        url = file.toURL();
    } catch (MalformedURLException e) {
        return null;
return url;
URLgetResourceInBundleOrFragments(Bundle bundle, String name)
get Resource In Bundle Or Fragments 
String dirName = "/";
String fileName = name;
int index = name.lastIndexOf('/');
if (index > 0) {
    dirName = name.substring(0, index);
    fileName = name.substring(index + 1);
} else if (index == 0) {
    fileName = name.substring(1);
...
ListgetResourceListing(ClassLoader cl)
get Resource Listing 
URL dirURL = cl.getResource("");
if (dirURL != null && dirURL.getProtocol().equals("file")) {
    File f = new File(dirURL.toURI());
    return recurse(f, f.getAbsolutePath().replace('\\', '/'));
if (dirURL.getProtocol().equals("jar")) {
    String jarPath = dirURL.getPath().substring(5, dirURL.getPath().indexOf("!"));
    JarFile jar = new JarFile(URLDecoder.decode(jarPath, "UTF-8"));
...
StringgetResourceMessage(Locale locale, String resource, String key, Object... params)
get Resource Message 
ResourceBundle bundle = ResourceBundle.getBundle(resource, locale);
String msg = bundle.getString(key);
if (params != null && params.length > 0)
    msg = MessageFormat.format(msg, params);
return msg;
ReadergetResourceReader(Class clazz, String name, String charset)
get Resource Reader 
return new InputStreamReader(getResourceStream(clazz, name), charset);
FilegetResources(String archiveName)
get Resources 
String name = archiveName;
URL url = Thread.currentThread().getContextClassLoader().getResource(name);
if (url == null) {
    System.err.println("No resources for " + archiveName);
    return null;
try {
    File file = new File(url.toURI());
...
ListgetResources(String pkgName)
get Resources 
List<URL> urls = new ArrayList<URL>();
try {
    ClassLoader cld = Thread.currentThread().getContextClassLoader();
    if (cld == null) {
        throw new ClassNotFoundException("Can't get class loader.");
    String path = pkgName.replace('.', '/');
    Enumeration<URL> resources = cld.getResources(path);
...