/*
 * Copyright 2018 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.gnd.util;

import java.util.Map;

import java8.util.Optional;

public abstract class Localization {
  /** Do not instantiate. */
  private Localization() {}

  public static String getLocalizedMessage(Map<String, String> messages) {
    if (messages == null) {
      return "";
    }
    // TODO: i18n.
    return Optional.ofNullable(messages.get("en"))
        .orElse(Optional.ofNullable(messages.get("pt")).orElse(""));
  }
}

@@ -638,24 +638,45 @@
 ort 
-java.util.Map
+android.support.annotation.Nullable
 ;%0A
-%0A
 impo
@@ -686,23 +686,17 @@
 java
-8
 .util.
-Optional
+Map
 ;%0A%0Ap
@@ -906,16 +906,26 @@
 return %22
+%3CUntitled%3E
 %22;%0A    %7D
@@ -946,128 +946,342 @@
 i18n
-.%0A    return Optional.ofNullable(messages.get(%22en%22))%0A        .orElse(Optional.ofNullable(messages.get(%22pt%22)).orElse(%22%22))
+: Use proper locale.%0A    @Nullable%0A    String msg = messages.get(%22_%22);%0A    if (msg == null) %7B%0A      msg = messages.get(%22en%22);%0A    %7D%0A    if (msg == null) %7B%0A      msg = messages.get(%22pt%22);%0A    %7D%0A    if (msg == null) %7B%0A      // TODO: Return Optional and handle empty strings in client code.%0A      msg = %22%3CUntitled%3E%22;%0A    %7D%0A    return msg
 ;%0A  

Read default locale labels