Java Utililty Methods Wait Until File Deleted

List of utility methods to do Wait Until File Deleted

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Description

The list of methods to do Wait Until File Deleted are organized into topic(s).

Method

voidwaitUntilFileDeleted(File file)
wait Until File Deleted 
int i = 10;
while (file.exists()) {
    if (--i <= 0) {
        System.out.println("Breaking out of delete wait");
        break;
    try {
        Thread.sleep(500);
...
booleanwaitUntilFileDeleted(File file)
Wait until the file is _really_ deleted on file system. 
int count = 0;
int delay = 10; 
int maxRetry = DELETE_MAX_WAIT / delay;
int time = 0;
while (count < maxRetry) {
    try {
        count++;
        Thread.sleep(delay);
...
booleanwaitUntilFileDeleted(File file)
Wait until the file is _really_ deleted on file system. 
if (DELETE_DEBUG) {
    System.out.println();
    System.out.println("WARNING in test: " + getTestName());
    System.out.println("   - problems occured while deleting " + file);
    printJdtStackTrace(null, 1);
    printFileInfo(file.getParentFile(), 1, -1); 
    System.out.print("   - wait for (" + DELETE_MAX_WAIT + "ms max): ");
int count = 0;
int delay = 10; 
int maxRetry = DELETE_MAX_WAIT / delay;
int time = 0;
while (count < maxRetry) {
    try {
        count++;
        Thread.sleep(delay);
        time += delay;
        if (time > DELETE_MAX_TIME)
            DELETE_MAX_TIME = time;
        if (DELETE_DEBUG)
            System.out.print('.');
        if (file.exists()) {
            if (file.delete()) {
                if (DELETE_DEBUG) {
                    System.out.println();
                    System.out.println("   => file really removed after " + time + "ms (max="
                            + DELETE_MAX_TIME + "ms)");
                    System.out.println();
                return true;
        if (isFileDeleted(file)) {
            if (DELETE_DEBUG) {
                System.out.println();
                System.out.println(
                        "   => file disappeared after " + time + "ms (max=" + DELETE_MAX_TIME + "ms)");
                System.out.println();
            return true;
        if (count >= 10 && delay <= 100) {
            count = 1;
            delay *= 10;
            maxRetry = DELETE_MAX_WAIT / delay;
            if ((DELETE_MAX_WAIT % delay) != 0) {
                maxRetry++;
    } catch (InterruptedException ie) {
        break; 
if (!DELETE_DEBUG) {
    System.out.println();
    System.out.println("WARNING in test: " + getTestName());
    System.out.println("   - problems occured while deleting " + file);
    printJdtStackTrace(null, 1);
    printFileInfo(file.getParentFile(), 1, -1); 
System.out.println();
System.out.println("   !!! ERROR: " + file + " was never deleted even after having waited "
        + DELETE_MAX_TIME + "ms!!!");
System.out.println();
return false;
booleanwaitUntilFileDeleted(File file)
Wait until the file is _really_ deleted on file system. 
if (DELETE_DEBUG) {
    System.out.println();
    System.out.println("WARNING in test: " + getTestName());
    System.out.println("   - problems occured while deleting " + file);
    printRdtCoreStackTrace(null, 1);
    printFileInfo(file.getParentFile(), 1, -1); 
    System.out.print("   - wait for (" + DELETE_MAX_WAIT + "ms max): ");
int count = 0;
int delay = 10; 
int maxRetry = DELETE_MAX_WAIT / delay;
int time = 0;
while (count < maxRetry) {
    try {
        count++;
        Thread.sleep(delay);
        time += delay;
        if (time > DELETE_MAX_TIME)
            DELETE_MAX_TIME = time;
        if (DELETE_DEBUG)
            System.out.print('.');
        if (file.exists()) {
            if (file.delete()) {
                if (DELETE_DEBUG) {
                    System.out.println();
                    System.out.println("   => file really removed after " + time + "ms (max="
                            + DELETE_MAX_TIME + "ms)");
                    System.out.println();
                return true;
        if (isFileDeleted(file)) {
            if (DELETE_DEBUG) {
                System.out.println();
                System.out.println(
                        "   => file disappeared after " + time + "ms (max=" + DELETE_MAX_TIME + "ms)");
                System.out.println();
            return true;
        if (count >= 10 && delay <= 100) {
            count = 1;
            delay *= 10;
            maxRetry = DELETE_MAX_WAIT / delay;
            if ((DELETE_MAX_WAIT % delay) != 0) {
                maxRetry++;
    } catch (InterruptedException ie) {
        break; 
if (!DELETE_DEBUG) {
    System.out.println();
    System.out.println("WARNING in test: " + getTestName());
    System.out.println("   - problems occured while deleting " + file);
    printRdtCoreStackTrace(null, 1);
    printFileInfo(file.getParentFile(), 1, -1); 
System.out.println();
System.out.println("   !!! ERROR: " + file + " was never deleted even after having waited "
        + DELETE_MAX_TIME + "ms!!!");
System.out.println();
return false;