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

StringreadLine(BufferedReader br, Path path)
read Line 
try {
    return br.readLine();
} catch (IOException e) {
    throw new IOException("Can't read from file: " + path, e);
StringreadLineByLine(String filePath)
read Line By Line 
StringBuilder contentBuilder = new StringBuilder();
try (Stream<String> stream = Files.lines(Paths.get(filePath), StandardCharsets.UTF_8)) {
    stream.forEach(s -> contentBuilder.append(s).append("\n"));
} catch (IOException e) {
    e.printStackTrace();
return contentBuilder.toString();
ListreadLines(Path path, boolean ignoreComments)
read Lines 
File file = path.toFile();
if (!file.exists() || !file.isFile()) {
    return new ArrayList<>();
List<String> lines = new ArrayList<>();
try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
    String line;
    while ((line = reader.readLine()) != null) {
...
StringreadLineS(String filePath, int line)
Read the context of a specified line in a text file. 
File f = new File(filePath);
List<String> lines = Files.readAllLines(f.toPath());
return lines.get(line - 1);
ListreadLinesFromFile(Path path)
read Lines From File 
try {
    return Files.readAllLines(path, StandardCharsets.UTF_8);
} catch (IOException e) {
    throw new UnsupportedOperationException("Could not read from file '" + path + "'", e);
StreamreadLinesFromFileLazy(String path)
read Lines From File Lazy 
return Files.lines(Paths.get(path), Charset.defaultCharset());
ListreadLinesOfFile(String path)
read Lines Of File 
Path pathToFile = Paths.get(path);
return Files.readAllLines(pathToFile, StandardCharsets.US_ASCII);
StringreadLineSP(String filePath, int line, int pos)
Read the context after a specified position of a line in a text file. 
pos -= 1;
String l = readLineS(filePath, line);
if (l.length() < pos)
    pos = l.length();
l = l.substring(pos, l.length());
return l;
StringreadLinesToString(Path file)
read Lines To String 
final StringBuilder sb = new StringBuilder();
try (BufferedReader reader = new BufferedReader(new FileReader(file.toFile()), BUF_SIZE)) {
    reader.lines().forEach(line -> {
        sb.append(line);
        sb.append('\n');
    });
return sb.toString();
...
MapreadManifest(Path path)
read Manifest 
try (InputStream fileInput = Files.newInputStream(path);
        InputStream input = new BufferedInputStream(fileInput)) {
    Properties properties = new Properties();
    properties.load(input);
    Map<String, String> result = new HashMap<>(2 * properties.size());
    for (Map.Entry<?, ?> entry : properties.entrySet()) {
        result.put(entry.getKey().toString(), entry.getValue().toString());
    return result;