Java Utililty Methods Temp File Create

List of utility methods to do Temp File Create

  1. HOME
  2. Java
  3. T
  4. Temp File Create

Description

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

Method

StringgetTempFileName()
Create temp file name based on current datetime 
DateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
return df.format(new Date());
FilegetTempFileName(String base, String ext)
Get a temporary file name, optionally prefixed by the base (if specified) and also optionally using the given extension (if specified, otherwise ".tmp" will be used). 
if (base == null || base.length() <= 0)
    base = "";
if (ext == null || ext.length() <= 0)
    ext = "tmp";
UUID uuid = UUID.randomUUID();
String tmpName = sanitizeFileName(base + uuid.toString() + '.' + ext);
return new File(System.getProperty("java.io.tmpdir"), tmpName);
StringgetTempFileName(String fileExt)
get Temp File Name 
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSSSS");
return sdf.format(new Date()) + fileExt;
StringgetTempFilePath(String name)
get Temp File Path 
String file = "";
String tmpfilepath = System.getProperty("java.io.tmpdir") + File.separator;
String tmpDiamondFilePath = "/dls/tmp/";
String username = System.getProperty("user.name");
File tmpDir = new File(tmpfilepath);
boolean canWrite = tmpDir.canWrite();
if (canWrite) {
    File folderTmp = new File(tmpfilepath + username);
...
StringgetTempFilePath(String signatureRequestId)
get Temp File Path 
return (System.getProperty("java.io.tmpdir") + "/signature_" + signatureRequestId + ".jpg");
SetgetTempFiles()
get Temp Files 
return new HashSet<File>(tempFiles);
ListgetTempFileWithFullPath()
get Temp File With Full Path 
File file = File.createTempFile("OnlineReport", ".pdf");
List<String> fileDetails = new ArrayList<String>(2);
fileDetails.add(file.getParentFile().getAbsolutePath().replace("\\", "/"));
fileDetails.add(file.getName());
file.delete();
return fileDetails;
StringgetUniqueAFileName(String ext)
get Unique A File Name 
return String.format("%s-%s.%s", (new SimpleDateFormat("ddMMyy-hhmmss_SSS")).format(new Date()),
        (new Random()).nextInt(3), ext);
FilegetUniqueFile(File dir, String prefix, String suffix)
Get an unique name under the specified directory 
String name = prefix + "." + FILENAME_FORMAT.format(new Date()) + ".";
for (int i = 0; i < Integer.MAX_VALUE; i++) {
    File file = new File(dir, name + i + suffix);
    if (!file.exists()) {
        return file;
return null;
...
StringgetUniqueFileName()
get Unique File Name 
return new SimpleDateFormat("yyyy_MM_dd__HH_mm_ss_SSS").format(new Date(System.currentTimeMillis()));