Merge "Accept repeated locale as an input of LocaleList construction." into oc-dev (00ec7767) · Commits · e / os / android_frameworks_base

core/java/android/os/LocaleList.java

+6 −5

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ import android.icu.util.ULocale;

		import com.android.internal.annotations.GuardedBy;

		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collection;
		import java.util.HashSet;
		@@ -150,18 +151,18 @@ public final class LocaleList implements Parcelable {
		/**
		* Creates a new {@link LocaleList}.
		*
		* If two or more same locales are passed, the repeated locales will be dropped.
		* <p>For empty lists of {@link Locale} items it is better to use {@link #getEmptyLocaleList()},
		* which returns a pre-constructed empty list.</p>
		*
		* @throws NullPointerException if any of the input locales is <code>null</code>.
		* @throws IllegalArgumentException if any of the input locales repeat.
		*/
		public LocaleList(@NonNull Locale... list) {
		if (list.length == 0) {
		mList = sEmptyList;
		mStringRepresentation = "";
		} else {
		final Locale[] localeList = new Locale[list.length];
		final ArrayList<Locale> localeList = new ArrayList<>();
		final HashSet<Locale> seenLocales = new HashSet<Locale>();
		final StringBuilder sb = new StringBuilder();
		for (int i = 0; i < list.length; i++) {
		@@ -169,10 +170,10 @@ public final class LocaleList implements Parcelable {
		if (l == null) {
		throw new NullPointerException("list[" + i + "] is null");
		} else if (seenLocales.contains(l)) {
		throw new IllegalArgumentException("list[" + i + "] is a repetition");
		// Dropping duplicated locale entries.
		} else {
		final Locale localeClone = (Locale) l.clone();
		localeList[i] = localeClone;
		localeList.add(localeClone);
		sb.append(localeClone.toLanguageTag());
		if (i < list.length - 1) {
		sb.append(',');
		@@ -180,7 +181,7 @@ public final class LocaleList implements Parcelable {
		seenLocales.add(localeClone);
		}
		}
		mList = localeList;
		mList = localeList.toArray(new Locale[localeList.size()]);
		mStringRepresentation = sb.toString();
		}
		}