Java Utililty Methods Directory Exist Check

List of utility methods to do Directory Exist Check

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Description

The list of methods to do Directory Exist Check are organized into topic(s).

Method

voidcheckDir(String dir, boolean mustExist)
check Dir 
File file = new File(dir);
if ((mustExist && !file.exists()) || file.isFile()) {
    throw new IllegalStateException("must be dir");
voidcheckDirectory(String name, boolean createIfNonExistent)
Checks if a directory exists. 
File f = new File(name);
if ((f.exists()) && (!f.isDirectory())) {
    throw new IOException("Directory " + name + "already exists but is not a directory");
if ((!f.exists() && (!createIfNonExistent))) {
    throw new IOException("Directory " + name + " does not exist");
if (!f.exists() && (createIfNonExistent)) {
...
booleancheckDirectoryExists(String path)
check Directory Exists 
boolean exists;
File directory = new File(path);
exists = directory.exists() || directory.mkdirs();
return exists;
BooleancheckDirExist(String path)
check Dir Exist 
File file = new File(path);
if (!file.exists()) {
    file.mkdirs();
    System.out.println("Launcher.checkDirExist()#File doesn't exist, create new: " + path);
    return false;
return true;
voidcheckDirExistence(String dir)
check Dir Existence 
File f = new File(dir);
if (!f.isDirectory()) {
    throw new RuntimeException("File: " + f + " is not a dir");
if (!f.exists()) {
    throw new RuntimeException("Dir: " + f + " does not exist");
voidcheckDirExistenceOrCreateMissingParts(final String dirPath)
check Dir Existence Or Create Missing Parts 
final File dirFile = new File(dirPath);
if (!dirFile.exists()) {
    dirFile.mkdirs();
booleancheckDirExists(File dir)
check Dir Exists 
if (dir.isDirectory()) {
    return true;
} else {
    return dir.mkdirs();
booleancheckDirExists(String dir)
check Dir Exists 
File file = new File(dir);
return file.isDirectory();
voidCheckDirExists(String dir, String name)
Check Dir Exists 
File dirFile = new File(dir);
if (!dirFile.exists()) {
    throw new IllegalArgumentException(
            "GDAJythonInterpreter.CheckDirExists: " + name + " - " + dir + " does not exist");