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/***********************************************************************************************************************
 *
 * blueBill Mobile - open source birdwatching
 * ==========================================
 *
 * Copyright (C) 2009, 2010 by Tidalwave s.a.s. (http://www.tidalwave.it)
 * http://bluebill.tidalwave.it/mobile/
 *
 ***********************************************************************************************************************
 *
 * 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
 *
 *     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.
 *
 ***********************************************************************************************************************
 *
 * $Id: TaxonCountFormat.java,v 3e7ea5dbefcb 2010/05/17 15:10:54 fabrizio $
 *
 **********************************************************************************************************************/
package it.tidalwave.bluebill.mobile.taxonomy;

import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.text.ChoiceFormat;
import org.openide.util.NbBundle;
import it.tidalwave.bluebill.taxonomy.Taxonomy.Type;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id: $
 *
 **********************************************************************************************************************/
public class TaxonCountFormat
  {
    protected int initializationCount = 0; // for testing

    @CheckForNull
    protected Locale locale;

    @Nonnull
    private final Type type;

    private ChoiceFormat choice;

    public TaxonCountFormat (final @Nonnull Type type)
      {
        this.type = type;
      }

    @Nonnull
    public String format (final int n)
      {
        initialize();
        return String.format(choice.format(n), n);
      }

    private synchronized  void initialize()
      {
        if ((locale == null) || !locale.equals(Locale.getDefault()))
          {
            initializationCount++;
            locale = Locale.getDefault();
            final Map maleQuantifierMap = new HashMap();
            final Map femaleQuantifierMap = new HashMap();
            final Map singularMap = new HashMap();
            final Map pluralMap = new HashMap();
            Map cardinalityForZero = null;

            maleQuantifierMap.put(0, NbBundle.getMessage(TaxonCountFormat.class, "maleNone"));
            maleQuantifierMap.put(1, NbBundle.getMessage(TaxonCountFormat.class, "maleOne"));
            femaleQuantifierMap.put(0, NbBundle.getMessage(TaxonCountFormat.class, "femaleNone"));
            femaleQuantifierMap.put(1, NbBundle.getMessage(TaxonCountFormat.class, "femaleOne"));

            singularMap.put(Type.CLASS, NbBundle.getMessage(TaxonCountFormat.class, "class"));
            pluralMap.  put(Type.CLASS, NbBundle.getMessage(TaxonCountFormat.class, "classes"));
            singularMap.put(Type.FAMILY, NbBundle.getMessage(TaxonCountFormat.class, "family"));
            pluralMap.  put(Type.FAMILY, NbBundle.getMessage(TaxonCountFormat.class, "families"));
            singularMap.put(Type.GENUS, NbBundle.getMessage(TaxonCountFormat.class, "genus"));
            pluralMap.  put(Type.GENUS, NbBundle.getMessage(TaxonCountFormat.class, "genera"));
            singularMap.put(Type.ORDER, NbBundle.getMessage(TaxonCountFormat.class, "order"));
            pluralMap.  put(Type.ORDER, NbBundle.getMessage(TaxonCountFormat.class, "orders"));
            singularMap.put(Type.SPECIES, NbBundle.getMessage(TaxonCountFormat.class, "species"));
            pluralMap.  put(Type.SPECIES, NbBundle.getMessage(TaxonCountFormat.class, "speciesPlural"));
            singularMap.put(Type.SUBSPECIES, NbBundle.getMessage(TaxonCountFormat.class, "subspecies"));
            pluralMap.  put(Type.SUBSPECIES, NbBundle.getMessage(TaxonCountFormat.class, "subspeciesPlural"));

            if (locale.getLanguage().equals("it"))
              {
                cardinalityForZero = singularMap;
              }

            else // english or fallback
              {
                cardinalityForZero = pluralMap;
              }

            final double[] limits = { 0, 1, 2 };

            final Map quantifierMap = type.equals(Type.GENUS) || type.equals(Type.ORDER) ?
                maleQuantifierMap : femaleQuantifierMap;
            
            final String[] parts =
              {
                quantifierMap.get(0) + " " + cardinalityForZero.get(type),
                quantifierMap.get(1) + " " + singularMap.get(type),
                "%d " + pluralMap.get(type)
              };

            choice = new ChoiceFormat(limits, parts);
          }
      }
  }