tobago-example/tobago-example-demo/src/main/java/org/apache/myfaces/tobago/example/demo/LocaleList.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 *
 *   http://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 org.apache.myfaces.tobago.example.demo;

import org.apache.commons.lang3.StringUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;

public class LocaleList {

  public static final List<LocaleEntry> DATA;

  public static final List<String> COUNTRY_LANGUAGE;

  public static final List<String> COUNTRY;

  public static final List<String> HOLIDAY;

  static {
    final List<LocaleEntry> init = new ArrayList<>();
    for (final Locale displayLocale : Locale.getAvailableLocales()) {
      for (final Locale locale : Locale.getAvailableLocales()) {
        init.add(new LocaleEntry(locale, displayLocale));
      }
    }
    DATA = Collections.unmodifiableList(init);
  }

  static {
    final Set<String> init = new HashSet<>();
    for (final LocaleEntry localeEntry : DATA) {
      if (StringUtils.isNotBlank(localeEntry.getCountry())
          && StringUtils.isNotBlank(localeEntry.getLanguage())) {
        final String name = localeEntry.getCountry() + " (" + localeEntry.getLanguage() + ")";
        init.add(name);
      }
    }
    final ArrayList<String> list = new ArrayList<>(init);
    Collections.sort(list);
    COUNTRY_LANGUAGE = Collections.unmodifiableList(list);
  }

  static {
    final Set<String> init = new HashSet<>();
    for (final LocaleEntry localeEntry : DATA) {
      if (StringUtils.isNotBlank(localeEntry.getCountry())) {
        init.add(localeEntry.getCountry());
      }
    }
    final ArrayList<String> list = new ArrayList<>(init);
    Collections.sort(list);
    COUNTRY = Collections.unmodifiableList(list);
  }

  static {
    final List<String> list = Arrays.asList(
        "Trinidad and Tobago",
        "Portugal",
        "Norway",
        "New Zealand",
        "Equador",
        "Greece",
        "Reunion",
        "Mauritius",
        "Dominica");
    Collections.sort(list);
    HOLIDAY = Collections.unmodifiableList(list);
  }


  private LocaleList() {
    // do not call
  }
}