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Use java.time instead of custom code for parsing (requires API 26+).

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This is a functional change on API26+ as a timezone identifier is required.
This commit is contained in:
Dennis Guse
2020-01-08 21:15:27 +01:00
parent b9420d4dde
commit 32070a0bd6
4 changed files with 40 additions and 25 deletions
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src/main/java/de/dennisguse/opentracks/util/StringUtils.java
+30 -4
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@@ -17,6 +17,7 @@ package de.dennisguse.opentracks.util;
import android.content.Context;
import android.location.Location;
import android.os.Build;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.util.Pair;
@@ -24,6 +25,9 @@ import android.util.Pair;
import java.text.DecimalFormat;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAccessor;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
@@ -42,8 +46,16 @@ public class StringUtils {
private static final String COORDINATE_DEGREE = "\u00B0";
//TODO Remove when upgrading to API level 26+.
@Deprecated
private static final SimpleDateFormat ISO_8601_DATE_TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US);
//TODO Remove when upgrading to API level 26+.
@Deprecated
private static final SimpleDateFormat ISO_8601_BASE = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.US);
//TODO Remove when upgrading to API level 26+.
@Deprecated
private static final Pattern ISO_8601_EXTRAS = Pattern.compile("^(\\.\\d+)?(?:Z|([+-])(\\d{2}):(\\d{2}))?$");
static {
@@ -51,7 +63,6 @@ public class StringUtils {
ISO_8601_BASE.setTimeZone(TimeZone.getTimeZone("UTC"));
}
private StringUtils() {
}
@@ -73,7 +84,11 @@ public class StringUtils {
* @param time_ms the time in milliseconds
*/
public static String formatDateTimeIso8601(long time_ms) {
return ISO_8601_DATE_TIME_FORMAT.format(time_ms);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
return Instant.ofEpochMilli(time_ms).toString();
} else {
return ISO_8601_DATE_TIME_FORMAT.format(time_ms);
}
}
/**
@@ -269,8 +284,19 @@ public class StringUtils {
*
* @param xmlDateTime the XML date time string
*/
//TODO Can this be replaced using java.time?
public static long getTime(String xmlDateTime) {
public static long parseTime(String xmlDateTime) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
try {
TemporalAccessor t = DateTimeFormatter.ISO_DATE_TIME.parse(xmlDateTime);
return Instant.from(t).toEpochMilli();
} catch (Exception e) {
throw new IllegalArgumentException("Invalid XML dateTime value: " + e);
}
}
//TODO Remove the following when upgrading to API level 26+.
//ATTENTION: The following code does not require a time zone (+01 or Z); while ISO_DATE_TIME requires this!
// Parse the date time base
ParsePosition position = new ParsePosition(0);
Date date = ISO_8601_BASE.parse(xmlDateTime, position);