Java Utililty Methods File Touch

List of utility methods to do File Touch

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Description

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

Method

voidtouch(final File f)
touch 
PrintWriter writer = new PrintWriter(f);
writer.println("x");
writer.flush();
writer.close();
voidtouch(final File f)
Touch the specified file, creating if necessary. 
synchronized (touchLock) {
    if (!f.exists()) {
        new FileOutputStream(f, true).close();
    } else {
        f.setLastModified(System.currentTimeMillis());
booleantouch(final File file)
Update the last modified time of the file to system current time if the specified file exists. 
return file.exists() && file.setLastModified(System.currentTimeMillis());
voidtouch(final File file)
touch 
if (file.exists()) {
    if (file.isDirectory()) {
        throw new IOException("File '" + file + "' exists but is a directory");
    if (file.canWrite() == false) {
        throw new IOException("File '" + file + "' cannot be written to");
} else {
...
voidtouch(final File folder, final String fileName)
Creates a file 
if (!folder.exists()) {
    folder.mkdirs();
final File touchedFile = new File(folder, fileName);
FileOutputStream doneFOS = null;
try {
    doneFOS = new FileOutputStream(touchedFile);
} catch (FileNotFoundException e) {
...
voidtouch(String _filename)
Erstellt eine neue Datei 
File file = new File(_filename);
if (true)
    try {
        FileOutputStream ofs = new FileOutputStream(file);
        try {
            ofs.write('!');
        } catch (IOException e) {
...
voidtouch(String answers)
touch 
File file = new File(answers);
try {
    file.createNewFile();
} catch (IOException e) {
    throw new RuntimeException(answers, e);
voidtouch(String f)
touch 
File file = new File(f);
try {
    if (file.createNewFile() || file.canWrite()) {
        return;
} catch (IOException e) {
throw new IOException("The file is not writable: " + f);
...
booleantouch(String file)
Create a new empty file. 
return !exists(file) && (new File(file)).createNewFile();
booleantouch(String file)
Touches a file, so that it's timestamp is right now. 
long timestamp = System.currentTimeMillis();
return touch(new File(file).getAbsoluteFile(), timestamp);