Java Utililty Methods Temp Folder Create

File f = new File(baseDirectory, UUID.randomUUID().toString());
if (f.mkdirs() == false) {
 throw new IOException(
 MessageFormat.format("error occurred while creating a temporary directory: {0}", f));
return f;

if (tempFolder == null) {
 tempFolder = File.createTempFile("temp", Long.toString(System.nanoTime()));
 if (!tempFolder.delete()) {
 throw new IOException("Could not delete temp file: " + tempFolder.getAbsolutePath());
 if (!tempFolder.mkdir()) {
 throw new IOException("Could not create temp directory: " + tempFolder.getAbsolutePath());
 tempFolder.deleteOnExit();
return tempFolder;

if (tempFolder == null) {
 synchronized (LOCK) {
 if (tempFolder == null) {
 try {
 File tempFile = File.createTempFile("IOUtil", "tmp");
 tempFolder = tempFile.getParentFile();
 tempFile.delete();
 } catch (IOException ex) {
...

String osname = System.getProperty("os.name").toLowerCase();
File ff = null;
if (osname.startsWith("windows") || System.getProperty("file.separator").equals("\\")
 || osname.startsWith("os/2")) {
 ff = new File("\\tmp", "");
 if (ff == null || !ff.exists())
 ff = new File("\\temp", "");
 if (ff == null || !ff.exists())
...

return new File(System.getProperty("java.io.tmpdir"), TEST_CASES_LOCATION); 

File tempFolder = new File(System.getProperty("user.dir") + "\\temp");
if (!tempFolder.exists()) {
 tempFolder.mkdirs();
return tempFolder.getPath() + File.separator;

File tempFolder = File.createTempFile(TEMP_FOLDER_NAME, null);
tempFolder.delete();
tempFolder.mkdirs();
if (!tempFolder.exists()) {
 throw new IOException("Failed to create temporary jar file when packaging application for deployment: "
 + tempFolder.getAbsolutePath());
return tempFolder;
...

String tempPath = System.getProperty("java.io.tmpdir");
if (tempPath.endsWith(Character.toString(File.separatorChar))) {
 tempPath = tempPath.substring(0, tempPath.length() - 1);
return tempPath;

return File.createTempFile("tmp", null).getParent();

return System.getProperty("java.io.tmpdir");