Java Utililty Methods Temp Directory Create

File baseDir = new File(System.getProperty("java.io.tmpdir"));
baseDir.mkdirs();
while (true) {
    File tempDir = new File(baseDir, prefix + Math.abs(random.nextLong()));
    if (!tempDir.exists()) {
        if (tempDir.mkdir()) {
            return tempDir;

File tempDir = Files.createTempDirectory(prefix).toFile();
tempDir.deleteOnExit();
return tempDir;

File tmpFile = File.createTempFile("temp-dir", "tmp");
tmpFile.deleteOnExit();
String filename = tmpFile.getCanonicalPath();
String dirname = filename.substring(0, filename.length() - 4);
File tmpDir = new File(dirname);
if (!tmpDir.mkdir()) {
    throw new IOException("Can't create temp directory: " + dirname);
return tmpDir;

File tempDir = new File(tmpDirName);
if (!tempDir.isDirectory()) {
    throw new RuntimeException("Temp dir " + tmpDirName + " does not exist");
File subDir = new File(tempDir, name);
if (!subDir.exists()) {
    subDir.mkdir();
return subDir;

File temp;
do {
    temp = new File(System.getProperty("java.io.tmpdir"), prefix + '-' + UUID.randomUUID());
} while (temp.exists());
if (!temp.mkdir()) {
    throw new IOException("Couldn't create temp directory: " + temp);
cTempFiles.add(temp);
...

if (null == prefix) {
    prefix = "tempDir";
File tempFile = null;
for (int i = 0; i < 10; i++) {
    try {
        tempFile = File.createTempFile(prefix, "tmp");
        tempFile.delete();
...

final File instrDir = File.createTempFile(prefix, suffix);
instrDir.delete();
instrDir.mkdir();
return instrDir;

return makeTempDirectory(null, dirName, deleteIfExists);

File dir = File.createTempFile(prefix, suffix);
if (!dir.delete())
    throw new IOException("could not delete temporary file: " + dir);
if (!dir.mkdir())
    throw new IOException("could not make temporary directory: " + dir);
return dir;

return makeTemporaryDirectory("kiradb", ".index");