Java Utililty Methods Path File Read nio

List of utility methods to do Path File Read nio

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Description

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

Method

PropertiesreadPropertiesFile(Path path)
read Properties File 
Properties properties = new Properties();
try (InputStream is = Files.newInputStream(path)) {
    properties.load(is);
return properties;
StringreadSheBang(Path script)
read She Bang 
try (BufferedReader reader = new BufferedReader(
        new InputStreamReader(Files.newInputStream(script), "UTF-8"))) {
    String line = reader.readLine();
    while (line != null) {
        line = line.trim();
        if (line.length() > 0) {
            if (line.startsWith("#!")) {
                return line;
...
StringreadStringFromPath(Path path)
read String From Path 
FileReader fr = new FileReader(path.toString());
BufferedReader br = new BufferedReader(fr);
String content;
try {
    StringBuilder sb = new StringBuilder();
    String line = br.readLine();
    while (line != null) {
        sb.append(line);
...
StringreadTextFile(Path p)
read Text File 
try (InputStream is = Files.newInputStream(p)) {
    try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
        copy(is, os);
        return new String(os.toByteArray(), StandardCharsets.UTF_8);
StringreadTextFileFromResources(String filepath, ClassLoader classLoader)
read Text File From Resources 
InputStream is = null;
BufferedReader reader = null;
try {
    is = classLoader.getResourceAsStream(filepath);
    if (is == null) {
        throw new FileNotFoundException("file not found:" + filepath);
    reader = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
...
String[]readTextFromFile(String textFilePath)
read Text From File 
String[] linesArr = null;
Path filePath = Paths.get(textFilePath);
Charset charset = Charset.forName("ISO-8859-1");
try {
    List<String> lines = Files.readAllLines(filePath, charset);
    linesArr = new String[lines.size()];
    for (int i = 0; i < lines.size(); i++) {
        linesArr[i] = lines.get(i);
...
voidsetReadable(final Path path, boolean readable)
set Readable 
if (isWindows()) {
    final UserPrincipal currentUser = path.getFileSystem().getUserPrincipalLookupService()
            .lookupPrincipalByName(System.getProperty("user.name"));
    final AclFileAttributeView view = Files.getFileAttributeView(path, AclFileAttributeView.class);
    final AclEntryType entryType = readable ? AclEntryType.ALLOW : AclEntryType.DENY;
    final AclEntry entry = AclEntry.newBuilder().setType(entryType).setPrincipal(currentUser)
            .setPermissions(AclEntryPermission.READ_DATA, AclEntryPermission.READ_ATTRIBUTES).build();
    final List<AclEntry> acl = view.getAcl();
...
booleansetReadOnly(Path file)
set Read Only 
try {
    Files.getFileAttributeView(file, PosixFileAttributeView.class).setPermissions(READ_ONLY_PERM);
} catch (Exception ignore) {
    try {
        Files.getFileAttributeView(file, DosFileAttributeView.class).setReadOnly(true);
    } catch (Exception ignored) {
        return false;
return true;