Java Utililty Methods Unix Date

List of utility methods to do Unix Date

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Description

The list of methods to do Unix Date are organized into topic(s).

Method

StringescapeUnixChar(String strToEscape)
escape Unix Char 
StringCharacterIterator charIter = new StringCharacterIterator(strToEscape);
StringBuilder buf = new StringBuilder();
char ch = charIter.current();
while (ch != 65535) {
    if (ch == ';')
        buf.append("\\;");
    else if (ch == '&')
        buf.append("\\&");
...
StringgetDispTimeByUnixTime(long unixSec)
get Disp Time By Unix Time 
SimpleDateFormat sdf = new SimpleDateFormat("yy/MM/dd HH:mm:ss");
return sdf.format(new Date(unixSec * 1000));
StringgetUnixDate()
get Unix Date 
Date now = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return formatter.format(now);
StringgetUnixDate(Date date)
Get unix style date string. 
long dateTime = date.getTime();
if (dateTime < 0) {
    return "------------";
Calendar cal = new GregorianCalendar();
cal.setTime(date);
String firstPart = MONTHS[cal.get(Calendar.MONTH)] + ' ';
String dateStr = String.valueOf(cal.get(Calendar.DATE));
...
StringgetUnixDate(long millis)
Get unix style date string. 
if (millis < 0) {
    return "------------";
StringBuffer sb = new StringBuffer(16);
Calendar cal = new GregorianCalendar();
cal.setTimeInMillis(millis);
sb.append(MONTHS[cal.get(Calendar.MONTH)]);
sb.append(' ');
...
StringgetUnixDate(String s)
get Unix Date 
try {
    Date dte = dateFormatterRss.parse(s);
    return String.valueOf(dte.getTime() / 1000);
} catch (Exception e) {
return "00000000";
longgetUnixTime(String dateTime)
get Unix Time 
Date date1 = null;
Date date2 = null;
try {
    date1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(dateTime);
    date2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse("1970-01-01 08:00:00");
} catch (ParseException e) {
    e.printStackTrace();
long l = (date1.getTime() - date2.getTime()) / 1000;
return l;
StringgetUnixTime2NoneTime(String longTime)
get Unix Time None Time 
String fileseparator = System.getProperty("file.separator");
int len = longTime.length();
long ltime = 0;
if (len > 13) {
    longTime = longTime.substring(0, 13);
ltime = Long.parseLong(longTime);
Date date = new Date();
...
CalendarparseUnixDate(String paramName, String dateStr)
Tries to parse unix date. 
Calendar day;
try {
    day = Calendar.getInstance();
    long ms = Long.parseLong(dateStr);
    day.setTimeInMillis(ms);
} catch (Exception e) {
    throw new IllegalArgumentException("Unparsable \"" + paramName + "\". Must be UTC time in ms", e);
return day;
MapstringUnixTime(String start, String end)
string Unix Time 
try {
    HashMap<String, Long> strUnixTime = new HashMap<String, Long>();
    String startTime = start.split("T")[1];
    String endTime = end.split("T")[1];
    int startIndex = timeToIndex(startTime);
    int endIndex = timeToIndex(endTime);
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-mm-dd HH:mm");
    dateFormat.setTimeZone(TimeZone.getTimeZone("America/New_York"));
...