/**
* Clean up the files with the specified prefix in the system temporary directory.
* @param filenamePrefix filename prefix
* @param minutes a few minutes to perform a cleanup operation
*/
public void cleanTempFile(String filenamePrefix,int minutes) {
Timer timer = new Timer ();
timer.schedule(new TimerTask() {
@Override
public void run() {
String tmpdir = System.getProperty("java.io.tmpdir");
File dir = new File(tmpdir);
String arr[] = dir.list();
if (arr != null) {
for (String fileName : arr) {
if (fileName.startsWith("zuul-servo-metrics")) {
deleteDir(new File(tmpdir + fileName));
}
}
}
}
private boolean deleteDir(File dir) {
try {
if (dir.isDirectory()) {
String[] children = dir.list();
// Recursively delete subdirectories in the directory
for (int i = 0; i < children.length; i++) {
boolean success = deleteDir(new File(dir,children[i]));
if (!success) {
return false;
}
}
}
// The directory is empty at this time and can be deleted
return dir.delete();
} catch (Exception e) {
return false;
}
}
}, 0, minutes * 60 * 1000); // execute every 5 minutes
}