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Enhance parsing of xs:duration to support year/month/day.

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This commit is contained in:
Oliver Woodman 2014-11-27 18:12:46 +00:00
parent 1a557a06c1
commit c534263032
1 changed files with 14 additions and 5 deletions
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19
library/src/main/java/com/google/android/exoplayer/util/Util.java
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@ -55,7 +55,8 @@ public final class Util {
+ "([Zz]|((\\+|\\-)(\\d\\d):(\\d\\d)))?"); + "([Zz]|((\\+|\\-)(\\d\\d):(\\d\\d)))?");
private static final Pattern XS_DURATION_PATTERN = private static final Pattern XS_DURATION_PATTERN =
Pattern.compile("^PT(([0-9]*)H)?(([0-9]*)M)?(([0-9.]*)S)?$"); Pattern.compile("^P(([0-9]*)Y)?(([0-9]*)M)?(([0-9]*)D)?"
+ "(T(([0-9]*)H)?(([0-9]*)M)?(([0-9.]*)S)?)?$");
private Util() {} private Util() {}
@ -274,11 +275,19 @@ public final class Util {
public static long parseXsDuration(String value) { public static long parseXsDuration(String value) {
Matcher matcher = XS_DURATION_PATTERN.matcher(value); Matcher matcher = XS_DURATION_PATTERN.matcher(value);
if (matcher.matches()) { if (matcher.matches()) {
String hours = matcher.group(2); // Durations containing years and months aren't completely defined. We assume there are
double durationSeconds = (hours != null) ? Double.parseDouble(hours) * 3600 : 0; // 30.4368 days in a month, and 365.242 days in a year.
String minutes = matcher.group(4); String years = matcher.group(2);
double durationSeconds = (years != null) ? Double.parseDouble(years) * 31556908 : 0;
String months = matcher.group(4);
durationSeconds += (months != null) ? Double.parseDouble(months) * 2629739 : 0;
String days = matcher.group(6);
durationSeconds += (days != null) ? Double.parseDouble(days) * 86400 : 0;
String hours = matcher.group(9);
durationSeconds += (hours != null) ? Double.parseDouble(hours) * 3600 : 0;
String minutes = matcher.group(11);
durationSeconds += (minutes != null) ? Double.parseDouble(minutes) * 60 : 0; durationSeconds += (minutes != null) ? Double.parseDouble(minutes) * 60 : 0;
String seconds = matcher.group(6); String seconds = matcher.group(13);
durationSeconds += (seconds != null) ? Double.parseDouble(seconds) : 0; durationSeconds += (seconds != null) ? Double.parseDouble(seconds) : 0;
return (long) (durationSeconds * 1000); return (long) (durationSeconds * 1000);
} else { } else {