Merge "Remove libcore.icu.ICU usage in android.text.format.DateFormat" (ec71624f) · Commits · e / os / android_frameworks_base

core/java/android/text/format/DateFormat.java

+49 −3

Original line number	Diff line number	Diff line
		@@ -19,12 +19,12 @@ package android.text.format;
		import android.annotation.NonNull;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.content.Context;
		import android.icu.text.DateTimePatternGenerator;
		import android.provider.Settings;
		import android.text.SpannableStringBuilder;
		import android.text.Spanned;
		import android.text.SpannedString;

		import libcore.icu.ICU;
		import libcore.icu.LocaleData;

		import java.text.SimpleDateFormat;
		@@ -251,7 +251,8 @@ public class DateFormat {
		* @return a string pattern suitable for use with {@link java.text.SimpleDateFormat}.
		*/
		public static String getBestDateTimePattern(Locale locale, String skeleton) {
		return ICU.getBestDateTimePattern(skeleton, locale);
		DateTimePatternGenerator dtpg = DateTimePatternGenerator.getInstance(locale);
		return dtpg.getBestPattern(skeleton);
		}

		/**
		@@ -333,7 +334,52 @@ public class DateFormat {
		* order returned here.
		*/
		public static char[] getDateFormatOrder(Context context) {
		return ICU.getDateFormatOrder(getDateFormatString(context));
		return getDateFormatOrder(getDateFormatString(context));
		}

		/**
		* @hide Used by internal framework class {@link android.widget.DatePickerSpinnerDelegate}.
		*/
		public static char[] getDateFormatOrder(String pattern) {
		char[] result = new char[3];
		int resultIndex = 0;
		boolean sawDay = false;
		boolean sawMonth = false;
		boolean sawYear = false;

		for (int i = 0; i < pattern.length(); ++i) {
		char ch = pattern.charAt(i);
		if (ch == 'd' \|\| ch == 'L' \|\| ch == 'M' \|\| ch == 'y') {
		if (ch == 'd' && !sawDay) {
		result[resultIndex++] = 'd';
		sawDay = true;
		} else if ((ch == 'L' \|\| ch == 'M') && !sawMonth) {
		result[resultIndex++] = 'M';
		sawMonth = true;
		} else if ((ch == 'y') && !sawYear) {
		result[resultIndex++] = 'y';
		sawYear = true;
		}
		} else if (ch == 'G') {
		// Ignore the era specifier, if present.
		} else if ((ch >= 'a' && ch <= 'z') \|\| (ch >= 'A' && ch <= 'Z')) {
		throw new IllegalArgumentException("Bad pattern character '" + ch + "' in "
		+ pattern);
		} else if (ch == '\'') {
		if (i < pattern.length() - 1 && pattern.charAt(i + 1) == '\'') {
		++i;
		} else {
		i = pattern.indexOf('\'', i + 1);
		if (i == -1) {
		throw new IllegalArgumentException("Bad quoting in " + pattern);
		}
		++i;
		}
		} else {
		// Ignore spaces and punctuation.
		}
		}
		return result;
		}

		private static String getDateFormatString(Context context) {

core/java/android/widget/DatePickerSpinnerDelegate.java

+1 −3

Original line number	Diff line number	Diff line
		@@ -34,8 +34,6 @@ import android.view.inputmethod.InputMethodManager;
		import android.widget.DatePicker.AbstractDatePickerDelegate;
		import android.widget.NumberPicker.OnValueChangeListener;

		import libcore.icu.ICU;

		import java.text.DateFormatSymbols;
		import java.text.ParseException;
		import java.text.SimpleDateFormat;
		@@ -459,7 +457,7 @@ class DatePickerSpinnerDelegate extends AbstractDatePickerDelegate {
		// We use numeric spinners for year and day, but textual months. Ask icu4c what
		// order the user's locale uses for that combination. http://b/7207103.
		String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), "yyyyMMMdd");
		char[] order = ICU.getDateFormatOrder(pattern);
		char[] order = DateFormat.getDateFormatOrder(pattern);
		final int spinnerCount = order.length;
		for (int i = 0; i < spinnerCount; i++) {
		switch (order[i]) {

core/tests/coretests/src/android/text/format/DateFormatTest.java

+70 −0

Original line number	Diff line number	Diff line
		@@ -16,8 +16,10 @@

		package android.text.format;

		import static org.junit.Assert.assertEquals;
		import static org.junit.Assert.assertFalse;
		import static org.junit.Assert.assertTrue;
		import static org.junit.Assert.fail;

		import android.platform.test.annotations.Presubmit;

		@@ -27,6 +29,7 @@ import androidx.test.runner.AndroidJUnit4;
		import org.junit.Test;
		import org.junit.runner.RunWith;

		import java.util.Arrays;
		import java.util.Locale;

		@Presubmit
		@@ -55,4 +58,71 @@ public class DateFormatTest {
		assertFalse(DateFormat.is24HourLocale(Locale.US));
		assertTrue(DateFormat.is24HourLocale(Locale.GERMANY));
		}

		@Test
		public void testGetDateFormatOrder() {
		// lv and fa use differing orders depending on whether you're using numeric or
		// textual months.
		Locale lv = new Locale("lv");
		assertEquals("[d, M, y]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(lv, "yyyy-M-dd"))));
		assertEquals("[y, d, M]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(lv, "yyyy-MMM-dd"))));
		assertEquals("[d, M, \u0000]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(lv, "MMM-dd"))));
		Locale fa = new Locale("fa");
		assertEquals("[y, M, d]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(fa, "yyyy-M-dd"))));
		assertEquals("[d, M, y]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(fa, "yyyy-MMM-dd"))));
		assertEquals("[d, M, \u0000]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(fa, "MMM-dd"))));

		// English differs on each side of the Atlantic.
		Locale enUS = Locale.US;
		assertEquals("[M, d, y]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(enUS, "yyyy-M-dd"))));
		assertEquals("[M, d, y]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(enUS, "yyyy-MMM-dd"))));
		assertEquals("[M, d, \u0000]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(enUS, "MMM-dd"))));
		Locale enGB = Locale.UK;
		assertEquals("[d, M, y]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(enGB, "yyyy-M-dd"))));
		assertEquals("[d, M, y]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(enGB, "yyyy-MMM-dd"))));
		assertEquals("[d, M, \u0000]", Arrays.toString(DateFormat.getDateFormatOrder(
		best(enGB, "MMM-dd"))));

		assertEquals("[y, M, d]", Arrays.toString(DateFormat.getDateFormatOrder(
		"yyyy - 'why' '' 'ddd' MMM-dd")));

		try {
		DateFormat.getDateFormatOrder("the quick brown fox jumped over the lazy dog");
		fail();
		} catch (IllegalArgumentException expected) {
		}

		try {
		DateFormat.getDateFormatOrder("'");
		fail();
		} catch (IllegalArgumentException expected) {
		}

		try {
		DateFormat.getDateFormatOrder("yyyy'");
		fail();
		} catch (IllegalArgumentException expected) {
		}

		try {
		DateFormat.getDateFormatOrder("yyyy'MMM");
		fail();
		} catch (IllegalArgumentException expected) {
		}
		}

		private static String best(Locale l, String skeleton) {
		return DateFormat.getBestDateTimePattern(l, skeleton);
		}
		}