Android Open Source - advanced-tourist-map Road Completion Adapter

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Back to project page advanced-tourist-map.

License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * Copyright 2010, 2011 mapsforge.org/*from  w  ww .  ja  v a2s  .c  o  m*/
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.mapsforge.geocoding.widget;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import model.address.android.SqRoad;
import android.database.sqlite.SQLiteDatabase;

public class RoadCompletionAdapter extends SqliteCompletionAdapter<SqRoad> {

  private static final int limit = 20;

  private SQLiteDatabase db;
  private int cityId;

  public RoadCompletionAdapter(SQLiteDatabase db, int cityId) {
    super();
    this.db = db;
    this.cityId = cityId;
  }

  @Override
  public String getString(SqRoad road) {
    return road.getName();
  }

  @Override
  public List<SqRoad> getResults(String needle) {
    if (needle == null) {
      return new ArrayList<SqRoad>();
    }
    List<SqRoad> roads = SqRoad.getRoadsByCity(this.db, this.cityId, needle, limit);
    roads = dropDuplicates(roads);
    return roads;
  }

  private List<SqRoad> dropDuplicates(List<SqRoad> roads) {
    List<SqRoad> filtered = new ArrayList<SqRoad>();
    Set<String> names = new HashSet<String>();
    for (SqRoad road : roads) {
      String name = road.getName();
      if (!names.contains(name)) {
        filtered.add(road);
        names.add(name);
      }
    }
    return filtered;
  }

}

Java Source Code List