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Migrate location and language module from Java to Kotlin (#5988)
* Rename .java to .kt * Migrated location and language module from Java to Kotlin * Changed lastLocation visibility
This commit is contained in:
Saifuddin Adenwala
GitHub
parent
771f370f9a
commit
8265cc6306
15 changed files with 773 additions and 827 deletions
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package fr.free.nrw.commons.language;
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import android.content.Context;
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import android.content.res.Resources;
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import android.text.TextUtils;
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import androidx.annotation.ArrayRes;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import fr.free.nrw.commons.R;
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import java.lang.ref.SoftReference;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Locale;
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/** Immutable look up table for all app supported languages. All article languages may not be
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* present in this table as it is statically bundled with the app. */
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public class AppLanguageLookUpTable {
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public static final String SIMPLIFIED_CHINESE_LANGUAGE_CODE = "zh-hans";
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public static final String TRADITIONAL_CHINESE_LANGUAGE_CODE = "zh-hant";
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public static final String CHINESE_CN_LANGUAGE_CODE = "zh-cn";
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public static final String CHINESE_HK_LANGUAGE_CODE = "zh-hk";
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public static final String CHINESE_MO_LANGUAGE_CODE = "zh-mo";
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public static final String CHINESE_SG_LANGUAGE_CODE = "zh-sg";
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public static final String CHINESE_TW_LANGUAGE_CODE = "zh-tw";
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public static final String CHINESE_YUE_LANGUAGE_CODE = "zh-yue";
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public static final String CHINESE_LANGUAGE_CODE = "zh";
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public static final String NORWEGIAN_LEGACY_LANGUAGE_CODE = "no";
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public static final String NORWEGIAN_BOKMAL_LANGUAGE_CODE = "nb";
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public static final String TEST_LANGUAGE_CODE = "test";
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public static final String FALLBACK_LANGUAGE_CODE = "en"; // Must exist in preference_language_keys.
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@NonNull private final Resources resources;
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// Language codes for all app supported languages in fixed order. The special code representing
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// the dynamic system language is null.
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@NonNull private SoftReference<List<String>> codesRef = new SoftReference<>(null);
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// English names for all app supported languages in fixed order.
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@NonNull private SoftReference<List<String>> canonicalNamesRef = new SoftReference<>(null);
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// Native names for all app supported languages in fixed order.
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@NonNull private SoftReference<List<String>> localizedNamesRef = new SoftReference<>(null);
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public AppLanguageLookUpTable(@NonNull Context context) {
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resources = context.getResources();
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}
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/**
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* @return Nonnull immutable list. The special code representing the dynamic system language is
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* null.
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*/
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@NonNull
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public List<String> getCodes() {
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List<String> codes = codesRef.get();
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if (codes == null) {
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codes = getStringList(R.array.preference_language_keys);
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codesRef = new SoftReference<>(codes);
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}
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return codes;
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}
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@Nullable
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public String getCanonicalName(@Nullable String code) {
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String name = defaultIndex(getCanonicalNames(), indexOfCode(code), null);
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if (TextUtils.isEmpty(name) && !TextUtils.isEmpty(code)) {
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if (code.equals(Locale.CHINESE.getLanguage())) {
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name = Locale.CHINESE.getDisplayName(Locale.ENGLISH);
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} else if (code.equals(NORWEGIAN_LEGACY_LANGUAGE_CODE)) {
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name = defaultIndex(getCanonicalNames(), indexOfCode(NORWEGIAN_BOKMAL_LANGUAGE_CODE), null);
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}
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}
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return name;
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}
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@Nullable
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public String getLocalizedName(@Nullable String code) {
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String name = defaultIndex(getLocalizedNames(), indexOfCode(code), null);
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if (TextUtils.isEmpty(name) && !TextUtils.isEmpty(code)) {
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if (code.equals(Locale.CHINESE.getLanguage())) {
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name = Locale.CHINESE.getDisplayName(Locale.CHINESE);
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} else if (code.equals(NORWEGIAN_LEGACY_LANGUAGE_CODE)) {
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name = defaultIndex(getLocalizedNames(), indexOfCode(NORWEGIAN_BOKMAL_LANGUAGE_CODE), null);
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}
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}
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return name;
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}
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public List<String> getCanonicalNames() {
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List<String> names = canonicalNamesRef.get();
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if (names == null) {
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names = getStringList(R.array.preference_language_canonical_names);
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canonicalNamesRef = new SoftReference<>(names);
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}
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return names;
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}
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public List<String> getLocalizedNames() {
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List<String> names = localizedNamesRef.get();
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if (names == null) {
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names = getStringList(R.array.preference_language_local_names);
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localizedNamesRef = new SoftReference<>(names);
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}
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return names;
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}
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public boolean isSupportedCode(@Nullable String code) {
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return getCodes().contains(code);
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}
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private <T> T defaultIndex(List<T> list, int index, T defaultValue) {
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return inBounds(list, index) ? list.get(index) : defaultValue;
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}
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/**
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* Searches #codes for the specified language code and returns the index for use in
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* #canonicalNames and #localizedNames.
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*
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* @param code The language code to search for. The special code representing the dynamic system
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* language is null.
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* @return The index of the language code or -1 if the code is not supported.
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*/
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private int indexOfCode(@Nullable String code) {
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return getCodes().indexOf(code);
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}
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/** @return Nonnull immutable list. */
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@NonNull
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private List<String> getStringList(int id) {
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return Arrays.asList(getStringArray(id));
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}
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private boolean inBounds(List<?> list, int index) {
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return index >= 0 && index < list.size();
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}
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public String[] getStringArray(@ArrayRes int id) {
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return resources.getStringArray(id);
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}
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}
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@ -0,0 +1,135 @@
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package fr.free.nrw.commons.language
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import android.content.Context
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import android.content.res.Resources
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import android.text.TextUtils
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import androidx.annotation.ArrayRes
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import fr.free.nrw.commons.R
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import java.lang.ref.SoftReference
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import java.util.Arrays
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import java.util.Locale
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/** Immutable look up table for all app supported languages. All article languages may not be
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* present in this table as it is statically bundled with the app. */
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class AppLanguageLookUpTable(context: Context) {
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companion object {
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const val SIMPLIFIED_CHINESE_LANGUAGE_CODE = "zh-hans"
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const val TRADITIONAL_CHINESE_LANGUAGE_CODE = "zh-hant"
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const val CHINESE_CN_LANGUAGE_CODE = "zh-cn"
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const val CHINESE_HK_LANGUAGE_CODE = "zh-hk"
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const val CHINESE_MO_LANGUAGE_CODE = "zh-mo"
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const val CHINESE_SG_LANGUAGE_CODE = "zh-sg"
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const val CHINESE_TW_LANGUAGE_CODE = "zh-tw"
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const val CHINESE_YUE_LANGUAGE_CODE = "zh-yue"
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const val CHINESE_LANGUAGE_CODE = "zh"
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const val NORWEGIAN_LEGACY_LANGUAGE_CODE = "no"
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const val NORWEGIAN_BOKMAL_LANGUAGE_CODE = "nb"
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const val TEST_LANGUAGE_CODE = "test"
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const val FALLBACK_LANGUAGE_CODE = "en" // Must exist in preference_language_keys.
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}
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private val resources: Resources = context.resources
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// Language codes for all app supported languages in fixed order. The special code representing
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// the dynamic system language is null.
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private var codesRef = SoftReference<List<String>>(null)
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// English names for all app supported languages in fixed order.
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private var canonicalNamesRef = SoftReference<List<String>>(null)
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// Native names for all app supported languages in fixed order.
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private var localizedNamesRef = SoftReference<List<String>>(null)
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/**
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* @return Nonnull immutable list. The special code representing the dynamic system language is
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* null.
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*/
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fun getCodes(): List<String> {
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var codes = codesRef.get()
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if (codes == null) {
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codes = getStringList(R.array.preference_language_keys)
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codesRef = SoftReference(codes)
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}
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return codes
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}
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fun getCanonicalName(code: String?): String? {
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var name = defaultIndex(getCanonicalNames(), indexOfCode(code), null)
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if (name.isNullOrEmpty() && !code.isNullOrEmpty()) {
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name = when (code) {
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Locale.CHINESE.language -> Locale.CHINESE.getDisplayName(Locale.ENGLISH)
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NORWEGIAN_LEGACY_LANGUAGE_CODE ->
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defaultIndex(getCanonicalNames(), indexOfCode(NORWEGIAN_BOKMAL_LANGUAGE_CODE), null)
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else -> null
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}
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}
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return name
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}
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fun getLocalizedName(code: String?): String? {
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var name = defaultIndex(getLocalizedNames(), indexOfCode(code), null)
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if (name.isNullOrEmpty() && !code.isNullOrEmpty()) {
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name = when (code) {
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Locale.CHINESE.language -> Locale.CHINESE.getDisplayName(Locale.CHINESE)
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NORWEGIAN_LEGACY_LANGUAGE_CODE ->
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defaultIndex(getLocalizedNames(), indexOfCode(NORWEGIAN_BOKMAL_LANGUAGE_CODE), null)
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else -> null
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}
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}
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return name
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}
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fun getCanonicalNames(): List<String> {
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var names = canonicalNamesRef.get()
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if (names == null) {
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names = getStringList(R.array.preference_language_canonical_names)
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canonicalNamesRef = SoftReference(names)
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}
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return names
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}
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fun getLocalizedNames(): List<String> {
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var names = localizedNamesRef.get()
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if (names == null) {
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names = getStringList(R.array.preference_language_local_names)
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localizedNamesRef = SoftReference(names)
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}
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return names
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}
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fun isSupportedCode(code: String?): Boolean {
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return getCodes().contains(code)
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}
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private fun <T> defaultIndex(list: List<T>, index: Int, defaultValue: T?): T? {
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return if (inBounds(list, index)) list[index] else defaultValue
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}
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/**
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* Searches #codes for the specified language code and returns the index for use in
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* #canonicalNames and #localizedNames.
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*
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* @param code The language code to search for. The special code representing the dynamic system
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* language is null.
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* @return The index of the language code or -1 if the code is not supported.
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*/
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private fun indexOfCode(code: String?): Int {
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return getCodes().indexOf(code)
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}
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/** @return Nonnull immutable list. */
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private fun getStringList(id: Int): List<String> {
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return getStringArray(id).toList()
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}
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private fun inBounds(list: List<*>, index: Int): Boolean {
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return index in list.indices
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}
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fun getStringArray(@ArrayRes id: Int): Array<String> {
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return resources.getStringArray(id)
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}
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}
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