52 lines
983 B
Java
52 lines
983 B
Java
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package net.sourceforge.tuned;
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import java.util.TreeMap;
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public class TimeIntervalFormat {
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private static TreeMap<Long, String> unitMap = new TreeMap<Long, String>();
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static {
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unitMap.put(1L, "ms");
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unitMap.put(1000L, "s");
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unitMap.put(60 * 1000L, "m");
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unitMap.put(60 * 60 * 1000L, "h");
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}
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public static String format(long millis, boolean zerounits) {
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boolean negativ = false;
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if (millis < 0) {
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millis = Math.abs(millis);
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negativ = true;
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}
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StringBuilder sb = new StringBuilder();
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for (long unitBaseTime : unitMap.descendingKeySet()) {
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int quotient = (int) (millis / unitBaseTime);
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boolean isLastKey = (unitBaseTime == unitMap.firstKey());
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if (zerounits || (quotient != 0) || isLastKey) {
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sb.append(quotient + unitMap.get(unitBaseTime));
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if (!isLastKey)
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;
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sb.append(" ");
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}
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millis -= quotient * unitBaseTime;
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}
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if (negativ)
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sb.insert(0, "-");
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return sb.toString();
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}
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}
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