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

BufferedReaderopenBufferedReader(String pathOrUrl)
open Buffered Reader 
InputStream inputStream;
if (isRemote(pathOrUrl)) {
    URL url = new URL(pathOrUrl);
    inputStream = openConnection(url).getInputStream();
} else {
    inputStream = new FileInputStream(pathOrUrl);
return new BufferedReader(new InputStreamReader(inputStream, Charset.defaultCharset()));
...
ByteChannelopenForReadingAndWriting(String filePath)
Opens a file for writing. 
Set<OpenOption> opts = new HashSet<>();
opts.add(StandardOpenOption.CREATE);
opts.add(StandardOpenOption.WRITE);
opts.add(StandardOpenOption.READ);
Path path = Paths.get(filePath);
return Files.newByteChannel(path, opts);
ReaderopenResourceReader(Class resourceOrigin, String resourcePath)
Creates a reader for reading the specified class loader resource. 
InputStream in = resourceOrigin.getResourceAsStream(resourcePath);
if (in == null) {
    throw new FileNotFoundException("File not found: " + resourcePath);
try {
    Reader reader = new InputStreamReader(in, CHARSET);
    in = null;
    return reader;
...
Stringread(String aPathString)
read 
StringBuilder sb = new StringBuilder();
Path path = Paths.get(aPathString);
try (BufferedReader reader = Files.newBufferedReader(path, Charset.defaultCharset())) {
    String line = reader.readLine();
    while (line != null) {
        sb.append(line);
        sb.append(System.lineSeparator());
        line = reader.readLine();
...
Objectread(String filePath)
read 
Path path = Paths.get(filePath);
try (ObjectInputStream input = new ObjectInputStream(Files.newInputStream(path))) {
    return input.readObject();
Stringread(String filePath)
read 
return read(new File(filePath));
Stringread(String path)
read 
String content = "";
List<String> lines = Files.readAllLines(Paths.get(path), StandardCharsets.UTF_8);
for (String line : lines) {
    content += line + "\n";
return content;
ListreadAllLines(Path path)
read All Lines 
return Files.readAllLines(path, StandardCharsets.UTF_8);
ListreadAllLines(String path)
Read file at path. 
List<String> lines = new ArrayList<String>();
CharsetEncoder encoder = Charset.forName(StandardCharsets.ISO_8859_1.toString()).newEncoder();
boolean ignoreBOM = true; 
BufferedReader br = null;
String currentLine;
int lineNumber = 1;
try {
    br = new BufferedReader(new InputStreamReader(new FileInputStream(path), StandardCharsets.UTF_8));
...
ListreadAllLinesOrExit(Path path)
read All Lines Or Exit 
try {
    return Files.readAllLines(path, Charset.forName("UTF-8"));
} catch (IOException e) {
    System.err.println("Failed to read [" + path + "]: " + e.getMessage());
    System.exit(0);
return null;