Java Utililty Methods Path File Name nio

List of utility methods to do Path File Name nio

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Description

The list of methods to do Path File Name nio are organized into topic(s).

Method

PathgetDataPath(String filename)
get Data Path 
return Paths.get("data", filename);
StringgetDeckNameFromFile(final Path deckFile)
Gets the name of a deck file without the extension. 
return getDeckNameFromFilename(deckFile.getFileName().toString());
byte[]getDefaultPathName(final String address, final long lspId)
get Default Path Name 
return ("pcc_" + address + "_tunnel_" + lspId).getBytes(StandardCharsets.UTF_8);
SetgetDirectoryNames(Path baseDirectory)
get Directory Names 
LinkedHashSet<String> result = new LinkedHashSet<>();
try {
    for (Path p : Files.newDirectoryStream(baseDirectory)) {
        if (Files.isDirectory(p)) {
            String name = p.getFileName().toString();
            if (!result.add(name)) {
                throw new RuntimeException("duplicate directory: " + name);
} catch (IOException e) {
    throw new RuntimeException("Error while reading directories", e);
return result;
StringgetFileContent(String fileNameOrPath)
get File Content 
String result = "";
try {
    BufferedReader br = new BufferedReader(
            new InputStreamReader(new DataInputStream(new FileInputStream(fileNameOrPath))));
    String line;
    while ((line = br.readLine()) != null)
        result += line + "\n";
    br.close();
...
FilegetFileInFolder(Path p, String filename)
get File In Folder 
Path path = Paths.get(p.toString(), filename);
File f = new File(path.toString());
f.createNewFile();
return f;
StringgetFilename(final String filepath)
get Filename 
final Path p = Paths.get(filepath);
final Path filename = p.getFileName();
return filename == null ? null : filename.toString();
StringgetFilename(final Path path)
Needed to get rid of findbugs "dodgy code warnings" in regards to getting the filename of a path as a string 
String filename = "";
if (path != null) {
    final Path filenamePath = path.getFileName();
    if (filenamePath != null) {
        filename = filenamePath.toString();
return filename;
...
StringgetFilename(final Path path)
Return the raw filename of the specified path.
Strip all the parent folders and the extension of the file to just return the filename. 
Objects.requireNonNull(path);
if (Files.isDirectory(path)) {
    throw new IllegalArgumentException("Cannot get name of a directory");
final String filename = path.getFileName().toString();
final int extensionSeparatorIndex = filename.lastIndexOf(FILE_EXTENSION_SEPARATOR);
if (extensionSeparatorIndex <= 0 || extensionSeparatorIndex == filename.length() - 1) {
    return filename;
...
StringgetFileName(Path path)
Root path have no file name. 
String pathString = null;
if (path != null) {
    if (path.getFileName() != null) {
        pathString = path.getFileName().toString();
    } else {
        pathString = path.toString();
return pathString;