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

booleantouch(String fileName)
touch 
try {
    File file = new File(fileName);
    if (file.exists() == false) {
        file.createNewFile();
    } else {
        file.setLastModified(System.currentTimeMillis());
} catch (Throwable t) {
...
booleantouch(String filePath)
Creates a blank file or updates its last modified date. 
File f = new File(filePath);
FileOutputStream fos = new FileOutputStream(f, true);
fos.close();
return true;
Filetouch(String fullFilePath)
touch 
if (fullFilePath == null) {
    return null;
File file = new File(fullFilePath);
file.getParentFile().mkdirs();
if (!file.exists())
    file.createNewFile();
return file;
...
Filetouch(String name)
touch 
String tmpdir = System.getProperty("java.io.tmpdir");
File tmpfile = new File(tmpdir, name);
Files.touch(tmpfile);
return tmpfile;
voidtouchDir(String filePath)
touch Dir 
File file = new File(filePath);
if (!file.exists()) {
    file.mkdir();
voidtouchExisting(File file)
touch Existing 
if (file.exists())
    unguardedTouch(file);
FiletouchFile(File directory, String name)
touch File 
File newfile = new File(directory.getAbsolutePath() + File.separator + name);
touchFile(newfile);
return newfile;
voidtouchFile(File file)
Update last modified time of a given file to the current time 
long timestamp = System.currentTimeMillis();
if (!file.setLastModified(timestamp)) {
    System.err.println("Last Modified Time Update Failed");
voidtouchFile(File file)
Create an empty touch. 
FileOutputStream s = new FileOutputStream(file);
try {
    s.write(file.toString().getBytes());
} finally {
    s.close();
voidtouchFile(String target)
touch File 
long now = new Date().getTime();
new File(target).setLastModified(now);