Merge "Add new shell commands for setting and getting device locales." into main (babb2c1b) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/locales/LocaleManagerShellCommand.java

+104 −7

Original line number	Diff line number	Diff line
		@@ -24,11 +24,15 @@ import android.content.pm.PackageManager;
		import android.os.LocaleList;
		import android.os.RemoteException;
		import android.os.ShellCommand;
		import android.os.SystemProperties;
		import android.os.UserHandle;

		import com.android.internal.app.LocalePicker;

		import java.io.PrintWriter;
		import java.util.HashSet;
		import java.util.Locale;
		import java.util.Set;

		/**
		* Shell commands for {@link LocaleManagerService}
		@@ -37,12 +41,17 @@ public class LocaleManagerShellCommand extends ShellCommand {

		private final ILocaleManager mBinderService;
		private final Context mContext;
		private String[] mSupportedLocales;
		private Set<Locale> mSupportedLocalesSet;
		private static final int ERROR_NO_LOCALE_SPECIFIED = -1;
		private static final int ERROR_INVALID_LOCALE_TAG = -2;
		private static final int ERROR_FETCHING_SYSTEM_LOCALE = -3;
		private static final int ERROR_NO_SUPPORTED_LOCALES_FOUND = -4;
		private static final int SUCCESS = 0;

		LocaleManagerShellCommand(ILocaleManager localeManager, Context context) {
		mBinderService = localeManager;
		mContext = context;
		mSupportedLocales = LocalePicker.getSupportedLocales(mContext);
		mSupportedLocalesSet = new HashSet<>();
		}

		@Override
		@@ -61,6 +70,10 @@ public class LocaleManagerShellCommand extends ShellCommand {
		return runGetAppOverrideLocaleConfig();
		case "get-app-localeconfig-ignore-override":
		return runGetAppLocaleConfigIgnoreOverride();
		case "set-device-locale":
		return runSetDeviceLocale();
		case "get-device-locale":
		return runGetDeviceLocale();
		case "list-device-locales":
		return runListDeviceLocales();
		default: {
		@@ -105,6 +118,13 @@ public class LocaleManagerShellCommand extends ShellCommand {
		pw.println(" Get the locales within the override LocaleConfig for the specified app.");
		pw.println(" --user <USER_ID>: get for the given user, "
		+ "the current user is used when unspecified.");
		pw.println(" set-device-locale");
		pw.println(" Set the locale of the device.");
		pw.println(" <LOCALE_NAME>: The BCP 47 language tag of the locale to set (e.g., "
		+ "en-US, es, fr-CA).");
		pw.println(" get-device-locale");
		pw.println(" Get the locale of the device.");
		pw.println(" Outputs the current primary device locale as a BCP 47 language tag.");
		pw.println(" list-device-locales");
		pw.println(" List the locales of the device.");
		pw.println(" Outputs a list of all BCP 47 language tags for locales supported by the "
		@@ -328,18 +348,95 @@ public class LocaleManagerShellCommand extends ShellCommand {
		return 0;
		}

		private int runSetDeviceLocale() {
		final PrintWriter err = getErrPrintWriter();
		String inputLocaleTag = getNextArg();

		if (inputLocaleTag == null \|\| inputLocaleTag.isEmpty()) {
		err.println("Error: no locale specified");
		return ERROR_NO_LOCALE_SPECIFIED;
		}

		final Locale requestedLocale = Locale.forLanguageTag(inputLocaleTag);
		if (requestedLocale == null
		\|\| requestedLocale.getLanguage() == null
		\|\| requestedLocale.getLanguage().isEmpty()
		\|\| requestedLocale.getLanguage().equals("und")) {
		err.println("Error: Invalid locale tag: " + inputLocaleTag);
		return ERROR_INVALID_LOCALE_TAG;
		}

		loadSupportedLocales();

		if (mSupportedLocalesSet.isEmpty()) {
		err.println("Error: No supported locales found.");
		return ERROR_NO_SUPPORTED_LOCALES_FOUND;
		}

		if (mSupportedLocalesSet.contains(requestedLocale)) {
		LocalePicker.updateLocale(requestedLocale);
		return SUCCESS;
		} else {
		err.println("Error: Invalid locale tag: " + inputLocaleTag);
		return ERROR_INVALID_LOCALE_TAG;
		}
		}

		private int runGetDeviceLocale() {
		final PrintWriter err = getErrPrintWriter();
		LocaleList systemLocales = LocalePicker.getLocales();
		Locale currentLocale = null;

		if (systemLocales != null && !systemLocales.isEmpty()) {
		currentLocale = systemLocales.get(0);
		}

		if (currentLocale == null
		\|\| currentLocale.getLanguage().isEmpty()
		\|\| currentLocale.getLanguage().equals("und")) {
		String roProductLocale = SystemProperties.get("ro.product.locale");
		if (roProductLocale == null \|\| roProductLocale.isEmpty()) {
		err.println("Error fetching the system locale: No system locales found.");
		return ERROR_FETCHING_SYSTEM_LOCALE;
		}
		currentLocale = Locale.forLanguageTag(roProductLocale.replace('_', '-'));
		}
		if (currentLocale == null
		\|\| currentLocale.getLanguage().isEmpty()
		\|\| currentLocale.getLanguage().equals("und")) {
		err.println("Error: Could not determine a valid device locale.");
		return ERROR_FETCHING_SYSTEM_LOCALE;
		}

		getOutPrintWriter().println(currentLocale.toLanguageTag());
		return SUCCESS;
		}

		private int runListDeviceLocales() {
		final PrintWriter err = getErrPrintWriter();

		if (mSupportedLocales == null \|\| mSupportedLocales.length == 0) {
		loadSupportedLocales();

		if (mSupportedLocalesSet.isEmpty()) {
		err.println("Error: No supported locales found.");
		return -1;
		return ERROR_NO_SUPPORTED_LOCALES_FOUND;
		}

		for (String locale : mSupportedLocales) {
		getOutPrintWriter().println(locale);
		for (Locale locale : mSupportedLocalesSet) {
		getOutPrintWriter().println(locale.toLanguageTag());
		}
		return SUCCESS;
		}

		private void loadSupportedLocales() {
		if (mSupportedLocalesSet.isEmpty()) {
		String[] supportedLocales = LocalePicker.getSupportedLocales(mContext);
		if (supportedLocales != null) {
		for (String localeTag : supportedLocales) {
		mSupportedLocalesSet.add(Locale.forLanguageTag(localeTag));
		}
		}
		}
		return 0;
		}

		private LocaleList parseOverrideLocales() {