Java Utililty Methods File Name Get

File dir = new File(folder);
String[] list = dir.list(new FilenameFilter() {
    @Override
    public boolean accept(File dir, String name) {
        return name.contains(path);
});
if (list.length == 0) {
...

int pos = fullFilename.lastIndexOf(File.separatorChar);
return fullFilename.substring(pos + 1);

File folder = new File(localRootDirName);
File[] listOfFiles = folder.listFiles();
int i = 0;
for (i = 0; i < listOfFiles.length; i++) {
    if (listOfFiles[i].getName().indexOf(ending) >= 0)
        break;
if (i == listOfFiles.length)
...

if (new File(name).exists()) {
    return name;
if (System.getProperty("os.name").contains("Mac")) {
    try {
        String appBundle = (String) Class.forName("com.apple.eio.FileManager")
                .getMethod("getPathToApplicationBundle", (Class[]) null).invoke(null, (Object[]) null);
        if (new File(appBundle + "/Contents/Resources/Java/" + name).exists()) {
...

String file = "";
try {
    file = originPath.substring(originPath.lastIndexOf(File.separatorChar) + 1);
} catch (Exception e) {
    e.printStackTrace();
return file;

String filename = path;
if (filename.contains(File.separator)) {
    filename = filename.substring(filename.lastIndexOf(File.separatorChar) + 1);
return filename;

int pos = path.lastIndexOf(File.separator);
return path.substring(pos + 1, path.length());

int separatorIndex = path.lastIndexOf(File.separator);
return (separatorIndex < 0) ? path : path.substring(separatorIndex + 1, path.length());

List<String> list = Splitter.on(File.separator).splitToList(path);
return list.get(list.size() - 1);

int mid = path.lastIndexOf(FILE_PATH_SEPARATOR);
return path.substring(mid + 1, path.length());