Mega Code Archive
Format Time To 2 Digits
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//package com.myapp.util.format;
import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class TimeFormatUtil {
private static final Format TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
public static String getDateLabel(long date) {
return TIME_FORMAT.format(new Date(date));
}
public static String getDateLabel(Date date) {
return TIME_FORMAT.format(date);
}
/**
* @param seconds
* @return a string which represents a floating point number with max. 2
* decimals
*/
public static String formatTimeTo2Digits(double seconds) {
String timeString = Double.toString(seconds);
int dotPos = timeString.indexOf(".");
if (dotPos < 0)
return timeString;
Pattern p = Pattern.compile("([0-9]{1,})\\.([0-9]{1,})");
Matcher m = p.matcher(timeString);
if ( ! m.matches())
throw new RuntimeException("WARNING: pattern '" + p.pattern() + "' " +
"did not match input '" + timeString + "'");
StringBuilder b = new StringBuilder(m.group(1));
b.append('.');
String afterCommaDigits = m.group(2);
if (afterCommaDigits.length() > 2)
b.append(m.group(2).substring(0, 2));
else
b.append(afterCommaDigits);
return b.toString();
}
public static String getTimeLabel(long millis) {
double seconds = Long.valueOf(millis).doubleValue() / 1000.0;
return getTimeLabel(seconds);
}
public static String getTimeLabel(double seconds) {
return getTimeLabel(seconds, true);
}
public static String getTimeLabel(double seconds, boolean longFormat) {
int secs = new Double(Math.floor(seconds)).intValue();
int hours = secs / 3600;
secs = secs % 3600;
int minutes = secs / 60;
secs = secs % 60;
StringBuilder b = new StringBuilder();
if (hours > 0) {
if (hours < 10)
b.append(0);
b.append(hours);
b.append(longFormat ? "h " : ":");
}
if (minutes < 10)
b.append(0);
b.append(minutes);
b.append(longFormat ? "m " : ":");
if (secs < 10)
b.append(0);
b.append(secs);
if (longFormat) {
int hundreths = Double.valueOf((seconds - secs) * 100).intValue();
b.append(".");
b.append(hundreths);
b.append("s");
}
return b.toString();
}
}
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