Java Utililty Methods Time Format

List of utility methods to do Time Format

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Description

The list of methods to do Time Format are organized into topic(s).

Method

StringformatDateTime(String s)
format Date Time 
if (!s.contains(" "))
    return s;
return s.trim().replace(" ", "T") + "Z";
StringformatDateTime(String value)
format Date Time 
if (value == null) {
    return null;
if (value.length() != DATE_TIME_STRING_LENGTH) {
    return addGMToffset(value);
} else {
    return value;
StringformatDateTimeString(final String dateTimeString, final boolean wrapForCodeUsage)
format Date Time String 
if (wrapForCodeUsage) {
    return "date and time( \"" + dateTimeString + "\" )";
} else {
    return dateTimeString;
StringformatDelay(long startTime, long endTime)
format Delay 
final long delay = ((endTime - startTime) / 1000);
final long sec = (delay / 1000000);
final long usec = (delay % 1000000);
return String.format("%d.%06d", sec, usec);
StringformatElapsedTime(int seconds)
format Elapsed Time 
String sPlural = (seconds == 1 ? "" : "s");
if (seconds < 60)
    return Integer.toString(seconds) + " second" + sPlural;
int s = (seconds % 60);
sPlural = (seconds == 1 ? "" : "s");
int m = seconds / 60;
String mPlural = (m == 1 ? "" : "s");
return Integer.toString(m) + " minute" + mPlural
...
StringformatElapsedTime(long elapsedTime)
format Elapsed Time 
return String.format("%d:%02d:%02d", elapsedTime / 3600, (elapsedTime % 3600) / 60, (elapsedTime % 60));
StringformatElapsedTime(long time)
format Elapsed Time 
long ms = time % 1000;
time = time / 1000;
long sec = time % 60;
time = time / 60;
long min = time % 60;
time = time / 60;
long hour = time % 24;
time = time / 24;
...
StringformatEndRowKeyString(String id, String timestampEnd)
HBase takes in a string to end the scan at. 
String endRowKeyString = null;
if (timestampEnd != null && timestampEnd != "") {
    timestampEnd = formatTimestampEnd(timestampEnd);
} else {
    id = formatId(id);
endRowKeyString = buildRowKeyFilterString(id, timestampEnd);
return endRowKeyString;
...
StringformatExecutionTime(long executionTime)
Format execution time for log. 
long min = executionTime / (1000 * 60L);
executionTime = executionTime - min * 1000 * 60L;
long sec = executionTime / 1000L;
long millis = executionTime - sec * 1000L;
StringBuilder sb = new StringBuilder();
sb.append(min + " min. ");
sb.append(sec + " sec. ");
sb.append(millis + " millis");
...
StringformatExecutionTime(long ms)
format Execution Time 
if (ms < 60000) {
    return String.valueOf(ms) + "ms";
long sec = ms / 1000;
long min = sec / 60;
sec -= min * 60;
return String.valueOf(min) + " min " + String.valueOf(sec) + " sec";