CarDataStore.java

#set( $symbol_pound = '#' )
#set( $symbol_dollar = '$' )
#set( $symbol_escape = '\' )
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 * 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 ${package};

import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;

public class CarDataStore {

  // Data accessors
  public Map<String, Object> getCar(final int id) {
    Map<String, Object> data = null;

    Calendar updated = Calendar.getInstance(TimeZone.getTimeZone("GMT"));

    switch (id) {
    case 1:
      updated.set(2012, 11, 11, 11, 11, 11);
      data = createCar(1, "F1 W03", 1, 189189.43, "EUR", "2012", updated, "file://imagePath/w03");
      break;

    case 2:
      updated.set(2013, 11, 11, 11, 11, 11);
      data = createCar(2, "F1 W04", 1, 199999.99, "EUR", "2013", updated, "file://imagePath/w04");
      break;

    case 3:
      updated.set(2012, 12, 12, 12, 12, 12);
      data = createCar(3, "F2012", 2, 137285.33, "EUR", "2012", updated, "http://pathToImage/f2012");
      break;

    case 4:
      updated.set(2013, 12, 12, 12, 12, 12);
      data = createCar(4, "F2013", 2, 145285.00, "EUR", "2013", updated, "http://pathToImage/f2013");
      break;

    case 5:
      updated.set(2011, 11, 11, 11, 11, 11);
      data = createCar(5, "F1 W02", 1, 167189.00, "EUR", "2011", updated, "file://imagePath/wXX");
      break;

    default:
      break;
    }

    return data;
  }

  private Map<String, Object> createCar(final int carId, final String model, final int manufacturerId,
      final double price,
      final String currency, final String modelYear, final Calendar updated, final String imagePath) {
    Map<String, Object> data = new HashMap<String, Object>();

    data.put("Id", carId);
    data.put("Model", model);
    data.put("ManufacturerId", manufacturerId);
    data.put("Price", price);
    data.put("Currency", currency);
    data.put("ModelYear", modelYear);
    data.put("Updated", updated);
    data.put("ImagePath", imagePath);

    return data;
  }

  public Map<String, Object> getManufacturer(final int id) {
    Map<String, Object> data = null;
    Calendar date = Calendar.getInstance(TimeZone.getTimeZone("GMT"));

    switch (id) {
    case 1:
      Map<String, Object> addressStar = createAddress("Star Street 137", "Stuttgart", "70173", "Germany");
      date.set(1954, 7, 4);
      data = createManufacturer(1, "Star Powered Racing", addressStar, date);
      break;

    case 2:
      Map<String, Object> addressHorse = createAddress("Horse Street 1", "Maranello", "41053", "Italy");
      date.set(1929, 11, 16);
      data = createManufacturer(2, "Horse Powered Racing", addressHorse, date);
      break;

    default:
      break;
    }

    return data;
  }

  private Map<String, Object> createManufacturer(final int id, final String name, final Map<String, Object> address,
      final Calendar updated) {
    Map<String, Object> data = new HashMap<String, Object>();
    data.put("Id", id);
    data.put("Name", name);
    data.put("Address", address);
    data.put("Updated", updated);
    return data;
  }

  private Map<String, Object> createAddress(final String street, final String city, final String zipCode,
      final String country) {
    Map<String, Object> address = new HashMap<String, Object>();
    address.put("Street", street);
    address.put("City", city);
    address.put("ZipCode", zipCode);
    address.put("Country", country);
    return address;
  }

  public List<Map<String, Object>> getCars() {
    List<Map<String, Object>> cars = new ArrayList<Map<String, Object>>();
    cars.add(getCar(1));
    cars.add(getCar(2));
    cars.add(getCar(3));
    cars.add(getCar(4));
    cars.add(getCar(5));
    return cars;
  }

  public List<Map<String, Object>> getManufacturers() {
    List<Map<String, Object>> manufacturers = new ArrayList<Map<String, Object>>();
    manufacturers.add(getManufacturer(1));
    manufacturers.add(getManufacturer(2));
    return manufacturers;
  }

  public List<Map<String, Object>> getCarsFor(final int manufacturerId) {
    List<Map<String, Object>> cars = getCars();
    List<Map<String, Object>> carsForManufacturer = new ArrayList<Map<String, Object>>();

    for (Map<String, Object> car : cars) {
      if (Integer.valueOf(manufacturerId).equals(car.get("ManufacturerId"))) {
        carsForManufacturer.add(car);
      }
    }

    return carsForManufacturer;
  }

  public Map<String, Object> getManufacturerFor(final int carId) {
    Map<String, Object> car = getCar(carId);
    if (car != null) {
      Object manufacturerId = car.get("ManufacturerId");
      if (manufacturerId != null) {
        return getManufacturer((Integer) manufacturerId);
      }
    }
    return null;
  }
}