Java Utililty Methods Text File Write

List of utility methods to do Text File Write

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Description

The list of methods to do Text File Write are organized into topic(s).

Method

voidwriteString(StringBuilder out, CharSequence value, boolean escapeXML)
Encodes a String in JavaScript Object Notation. 
if (value == null) {
    out.append("null");
} else {
    out.append('\'');
    for (int i = 0; i < value.length(); i++) {
        char ch = value.charAt(i);
        _escapeChar(out, ch, escapeXML);
    out.append('\'');
voidwriteStringField(String name, String value, JsonGenerator jgen)
write String Field 
if (value != null) {
    jgen.writeStringField(name, value);
voidwriteStringFile(String FileName, String text)
Write text to a file called Filename 
try {
    FileOutputStream fs = new FileOutputStream(FileName);
    PrintStream out = new PrintStream(fs);
    out.println(text);
    out.close();
} catch (IOException ex) {
    throw new IllegalArgumentException(ex.toString());
voidwriteStringInto(String s, File outputFile)
Writes a string into a file. 
InputStream in = new ByteArrayInputStream(s.getBytes("UTF-8"));
copyStream(in, outputFile);
voidwriteStringInto(String s, File outputFile)
Writes a string into a file. 
InputStream in = new ByteArrayInputStream(s.getBytes("UTF-8"));
copyStream(in, outputFile);
voidwriteStringListToFile(File file, ArrayList lines)
Writes a string list to a file. 
if (file == null) {
    throw new IllegalArgumentException("File should not be null.");
if (!file.exists()) {
    throw new FileNotFoundException("File does not exist: " + file);
if (!file.isFile()) {
    throw new IllegalArgumentException("Should not be a directory: " + file);
...
voidwriteStringListToFile(File file, List lines)
Writes a string list to a file. 
if (file == null) {
    throw new IllegalArgumentException("File should not be null.");
try (BufferedWriter output = new BufferedWriter(new FileWriter(file))) {
    for (String line : lines) {
        output.write(line + "\n");
voidwriteStringTo(File outFile, String data)
write String To 
FileOutputStream outputStream = null;
try {
    outputStream = new FileOutputStream(outFile);
    outputStream.write(data.getBytes());
    outputStream.flush();
} finally {
    if (outputStream != null) {
        outputStream.close();
...
voidwriteStringTo(String _value, File _target)
write String To 
BufferedWriter writer = new BufferedWriter(new FileWriter(_target));
try {
    if (null != _value)
        writer.write(_value);
} finally {
    writer.close();
voidwriteStringToFile(@Nonnull String string, @Nonnull final File file)
Writes a String to a File . 
checkNotNull(string, "string cannot be null.");
checkNotNull(file, "file cannot be null.");
try (OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(file), "UTF-8")) {
    string = string.replaceAll("\n", System.getProperty("line.separator"));
    out.write(string);