Created
March 9, 2016 15:52
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converts time on format like: "1d14h5min5sec40ms" to millis or vice versa
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import java.util.LinkedHashMap; | |
import java.util.Map; | |
import java.util.Map.Entry; | |
import java.util.concurrent.TimeUnit; | |
import java.util.regex.Matcher; | |
import java.util.regex.Pattern; | |
/** | |
* | |
* @author Sythelux Rikd | |
* | |
*/ | |
public class TimeFlowParser { | |
/** Pattern for time parsing: "(\\d.*d)|(\\d.*h)|(\\d.*min)|(\\d.*sec)|(\\d.*ms)" */ | |
public static final Pattern TIMEPATTERN = Pattern.compile("(\\d.*d)|(\\d.*h)|(\\d.*min)|(\\d.*sec)|(\\d.*ms)"); | |
/** contains entries for d:day, h:hour, min:minute, sec:second, ms:millisecond */ | |
public static final Map<String, TimeUnit> TS_SHORTS = new LinkedHashMap<String, TimeUnit>(); | |
static { | |
TS_SHORTS.put("d", TimeUnit.DAYS); | |
TS_SHORTS.put("h", TimeUnit.HOURS); | |
TS_SHORTS.put("min", TimeUnit.MINUTES); | |
TS_SHORTS.put("sec", TimeUnit.SECONDS); | |
TS_SHORTS.put("ms", TimeUnit.MILLISECONDS); | |
} | |
/** parse a String that is like Pattern. Examples: | |
* <ul> | |
* <li>"1000ms"</li> | |
* <li>"15sec"</li> | |
* <li>"5min"</li> | |
* <li>"5sec340ms"</li> | |
* <li>"5min5sec40ms"</li> | |
* <li>"1d14h5min5sec40ms"</li> | |
* </ul> | |
* | |
* @param timeString a String that can be parsed from pattern above | |
* @return long milliseconds*/ | |
public static long Parse(String timeString) { | |
long millis = 0; | |
Matcher matcher = TIMEPATTERN.matcher(timeString); | |
while (matcher.find()) { | |
String group = matcher.group(); | |
int tempTime = Integer.parseInt(group.replaceAll("\\D", "")); | |
TimeUnit tempTU = TS_SHORTS.get(group.replaceAll("\\d", "")); | |
millis += tempTU.toMillis(tempTime); | |
} | |
return millis; | |
} | |
/** | |
* converts millis to a string that is compatible to Pattern above | |
* @param millis millliseconds in long | |
* @return String like "1d14h5min5sec40ms" | |
*/ | |
public static String Build(long millis) { | |
String retVal = ""; | |
long[] vals = new long[TS_SHORTS.size()]; | |
int i = 0; | |
for (Entry<String, TimeUnit> entry : TS_SHORTS.entrySet()) { | |
vals[i] = entry.getValue().convert(millis, TimeUnit.MILLISECONDS); | |
millis -= entry.getValue().toMillis(vals[i]); | |
if (vals[i] != 0) { | |
retVal += vals[i] + entry.getKey(); | |
} | |
i++; | |
} | |
return retVal; | |
} | |
} |
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