src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_lib_Log.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.lib;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Created by sugawaraMBP on 15/03/25.
 */
public class Log {
	private static final String TAG = "Log";
	private static final String EMPTY = "";

	private static boolean LOG_ENABLE = true;

	private enum Level {
		DEBUG,
		WARNING,
		INFO,
		ERROR;

		@Override
		public String toString() {
			String temp;
			switch (this) {
				case WARNING:
					temp = "W/";
					break;
				case INFO:
					temp = "I/";
					break;
				case ERROR:
					temp = "E/";
					break;
				case DEBUG:
				default:
					temp = "D/";
					break;
			}
			return temp;
		}
	}


	private static SimpleDateFormat dateFormatter = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");

	private static void println(Level level, String tag, String text) {
		StringBuffer buffer = new StringBuffer();
		Date date = new Date();

		buffer.append(dateFormatter.format(date));
		buffer.append(" ");
		buffer.append(level.toString());
		buffer.append(tag);
		buffer.append(" ");
		buffer.append(text);

		System.out.println(buffer.toString());
	}

	public static int d(String tag, String text) {
		if (LOG_ENABLE) {
			println(Level.DEBUG, tag, text);
		}
		return 0;
	}

	public static int d(String tag, String format, Object... args) {
		if (LOG_ENABLE) {
			println(Level.DEBUG, tag, format(format, args));
		}
		return 0;
	}
	public static int w(String tag, String format, Object... args) {
		if (LOG_ENABLE) {
			println(Level.WARNING, tag, format(format, args));
		}
		return 0;
	}
	public static int i(String tag, String format, Object... args) {
		if (LOG_ENABLE) {
			println(Level.INFO, tag, format(format, args));
		}
		return 0;
	}
	public static int e(String tag, String format, Object... args) {
		if (LOG_ENABLE) {
			println(Level.ERROR, tag, format(format, args));
		}
		return 0;
	}

	private static String format(String format, Object... args) {
		try {
			return String.format(format == null ? EMPTY : format, args);
		} catch (RuntimeException e) {
			Log.w(TAG, "format error. reason=%s, format=%s", e.getMessage(), format);
			return String.format(EMPTY, format);
		}
	}

	public static String hexString(byte[] bytes) {
		if (bytes == null) {
			return "(null)";
		}

		StringBuffer buffer = new StringBuffer();
		buffer.delete(0, buffer.length());
		for (byte b : bytes) {
			buffer.append(String.format("%02X", b));
		}
		return buffer.toString();
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_Main.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.service.Center;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.Address;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.House;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.HouseMap;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.user.Customer;

public class Main {

    public static void main(String[] args) {
	    // 住居リストを生成する
	    String pref1 = "岩手";
	    String pref1city1 = "盛岡";
	    String pref1city2 = "一関";

	    Address addressSenderA = new Address(pref1, pref1city1, 1);
	    Address addressSenderB = new Address(pref1, pref1city2, 1);

	    House houseSenderA = new House(addressSenderA);
	    House houseSenderB = new House(addressSenderB);

	    HouseMap.houses.add(houseSenderA);
	    HouseMap.houses.add(houseSenderB);
	    HouseMap.houses.add(new House(new Address(pref1, pref1city1, 2)));
	    HouseMap.houses.add(new House(new Address(pref1, pref1city2, 2)));

	    String pref2 = "東京";
	    String pref2city1 = "新宿";
	    String pref2city2 = "品川";

	    Address addressReceiverA = new Address(pref2, pref2city1, 10);
	    Address addressReceiverB = new Address(pref2, pref2city2, 10);

	    House houseReceiverA = new House(addressReceiverA);
	    House houseReceiverB = new House(addressReceiverB);

	    HouseMap.houses.add(houseReceiverA);
	    HouseMap.houses.add(houseReceiverB);
	    HouseMap.houses.add(new House(new Address(pref2, pref2city1, 20)));
	    HouseMap.houses.add(new House(new Address(pref2, pref2city2, 20)));



	    // 集荷センターを生成
	    Center.initCenters(new Address(pref1, pref1city1, 100), new Address(pref2, pref2city2, 200));


	    // お客さんを生成
	    Customer senderA = new Customer();
	    Customer senderB = new Customer();

	    Customer receiverA = new Customer();
	    Customer receiverB = new Customer();


	    // お客さんを家に住まわせる
	    senderA.locale(houseSenderA);
	    senderB.locale(houseSenderB);

	    receiverA.locale(houseReceiverA);
	    receiverB.locale(houseReceiverB);


	    // 荷物を遅らせる
	    senderA.sendSomePackage(addressReceiverA);
	    senderA.sendSomePackage(addressReceiverA);
	    senderA.sendSomePackage(addressReceiverA);

	    senderB.sendSomePackage(addressReceiverB);
	    senderB.sendSomePackage(addressReceiverB);
	    senderB.sendSomePackage(addressReceiverB);
    }
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_service_Center.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.service;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.lib.Log;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.Address;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.Route;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Center {
	private static final String TAG = "Center";

	private static List<Center> centers = new ArrayList<Center>();
	public static void initCenters(Address center1, Address center2) {
		centers.clear();

		centers.add(new Center(center1));
		centers.add(new Center(center2));
	}
	public static Center nearestCenter(Address targetAreaAddress) {
		Center target = null;
		for (Center temp : centers) {
			if (temp.match(targetAreaAddress)) {
				target = temp;
				break;
			}
		}
		return target;
	}




	private List<Deliverer> deliverers = new ArrayList<Deliverer>();
	private Address centerAddress;

	public Center(Address centerAddress) {
		this.centerAddress = centerAddress;
	}

	public boolean match(Address address) {
		return centerAddress.prefecture.equals(address.prefecture);
	}

	public void requireServiceOfPackageCollection(Address customersAddress, Package.Content.Type packageType) {
		Deliverer deliverer = searchFreeDeliverer(packageType);                 // 暇な配達員を探す

		if (deliverer == null) {
			// TODO: ひとまず、暇な配達員がいない場合は新規に雇う
			switch (packageType) {
				case Normal:
					deliverer = new Deliverer(this);
					break;
				case KeepRefrigerated:
					deliverer = new DelivererKeepRefrigerated(this);
					break;
			}

			deliverers.add(deliverer);
		}

		deliverer.goToCollectPackage(this, new Route(centerAddress, customersAddress));        // お客さんの元に集荷へ行かせる
	}

	public Deliverer searchFreeDeliverer(Package.Content.Type type) {
		Deliverer target = null;
		for (Deliverer temp : deliverers) {
			if (temp.getSupportedPackageType() == type) {
				if (!temp.isWorking()) {
					target = temp;
					break;
				}
			}
		}
		return target;
	}


	public void notifyCompletionOfPackageCollection(Address customersAddress) {
		// TODO: 集荷完了記録を更新
		Log.d(TAG, "集荷完了 : %s", customersAddress);
	}


	public void response(boolean success, String message) {
		Log.d(TAG, "集荷命令が%s　配達員からのメッセージ : %s", success?"成功":"失敗", message);

		if (!success) {
			// TODO: 集荷命令が失敗したとき、別の配達員を手配する処理
		}
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_service_Deliverer.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.service;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.lib.Log;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.House;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.HouseMap;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.Route;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.user.Customer;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Deliverer {
	private static final String TAG = "Deliverer";

	private Center assignedCenter;

	public Deliverer(Center assignedCenter) {
		this.assignedCenter = assignedCenter;
	}

	public Package.Content.Type getSupportedPackageType() {
		return Package.Content.Type.Normal;
	}

	private boolean isWorking = false;

	public boolean isWorking() {
		return isWorking;
	}


	private Route routeToMyCenter;
	private DriverLicense driverLicense;

	private enum PhysicalCondition {
		Good,			// 通常
		SoreThroat,		// のどが痛い
		Feverish,		// 熱がある
	}
	private PhysicalCondition condition = PhysicalCondition.Good;


	public void goToCollectPackage(Center orderedCenter, Route routeToCustomersHouse) {
		// 集荷に向かうメソッドの実装例

		if (packageList.size() >= PACKAGE_LIST_COUNT_MAX) {			// 積載量超過の場合
			orderedCenter.response(false, "積載オーバーです！");
			return;
		}

		switch (condition) {									// 体調による分岐
			case Good:
				orderedCenter.response(true, "承知しました！");
				drive(routeToCustomersHouse);
				break;

			case SoreThroat:
				orderedCenter.response(true, "承知しました...");
				drive(routeToCustomersHouse);
				break;

			case Feverish:
			default:
				orderedCenter.response(false, "申し訳ないのですが...");
				break;
		}
	}

	private void drive(Route route) {
		// TODO: とりあえず一瞬で移動できるとする
		isWorking = true;

		House arrivedHouse = HouseMap.getHouse(route.to);

		if (arrivedHouse != null) {
			onArriveAt(arrivedHouse);
		}
	}

	public void onArriveAt(House arrivedHouse) {
		// 目的地に到着したときのイベントハンドラ

		Customer customer = (Customer) arrivedHouse.ringBell();		// 家のインターホンを鳴らしてお客さんを呼び出す

		if (customer != null) {
			customer.onArrivedDeliverer(this);  					//お客さんに到着を知らせる(引数: 自分自身)
		}
		else {
			// TODO: お客さんが不在だった場合
			Log.d(TAG, "お客さんが不在！！ : %s", arrivedHouse);
		}
	}


	private List<Package> packageList = new ArrayList<Package>();
	private static final int PACKAGE_LIST_COUNT_MAX = 10;

	public boolean deposit(Package receivedPackage) {
		if (packageList.size() >= PACKAGE_LIST_COUNT_MAX) {         // 最大積載量を超過していないか確認する
			return false;
		}

		packageList.add(receivedPackage);                           // 自分の荷物リストに、渡された荷物を追加する

		assignedCenter.notifyCompletionOfPackageCollection(receivedPackage.getSrcAddress());       // 所属しているセンターに集荷完了を通知する

		// TODO: 一瞬で集荷が完了すると仮定する
		isWorking = false;

		return true;
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_service_DelivererKeepRefrigerated.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.service;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.lib.Log;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class DelivererKeepRefrigerated extends Deliverer {
	private static final String TAG = "DelivererKeepRefrigerated";

	public DelivererKeepRefrigerated(Center assignedCenter) {
		super(assignedCenter);
	}

	@Override
	public Package.Content.Type getSupportedPackageType() {
		return Package.Content.Type.KeepRefrigerated;
	}


	private Temperature getCurrentTemperature() {
		// TODO: ひとまず固定の温度を返す

		return new Temperature(Temperature.TEMP_DEGREES_DESIRED_REFRIGERATION);
	}


	public Temperature regulateTemperatureInside() {
		// TODO: 庫内の温度を調整する

		return getCurrentTemperature();
	}

	@Override
	public boolean deposit(Package receivedPackage) {
		Log.d(TAG, "%sを取り扱います。", receivedPackage.getContentType());

		Temperature temp;

		temp = regulateTemperatureInside();             // 1. 庫内の温度管理をする
		if (temp.isWrong()) {
			return false;
		}

		temp = receivedPackage.checkTemperature();    // 2. 事前に荷物が冷やされているかをチェック
		if (temp.isWrong()) {
			return false;
		}

		boolean result = super.deposit(receivedPackage);            // 3. 元々の配達員の責務を果たす

		return result;
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_service_DriverLicense.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.service;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class DriverLicense {
	private static final String TAG = "DriverLicense";

	public DriverLicense() {
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_service_Package.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.service;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.Address;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Package {
	private static final String TAG = "Package";

	public Package(Address srcAddress, Address destAddress, Content content) {
		this.srcAddress = srcAddress;
		this.destAddress = destAddress;
		this.content = content;

		checkTemperature();
	}

	private Address srcAddress;
	private Address destAddress;
	private Content content;

	@Override
	public String toString() {
		return String.format("送付元 : %s, 送付先 : %s, 送付物 : %s", srcAddress, destAddress, content);
	}

	public Content.Type getContentType() {
		return content.getType();
	}

	public Address getDestAddress() {
		return destAddress;
	}

	public Address getSrcAddress() {
		return srcAddress;
	}

	public abstract static class Content {
		public enum Type {
			Normal,
			KeepRefrigerated;

			@Override
			public String toString() {
				String temp;
				switch (this) {
					case Normal:
						temp = "通常荷物";
						break;
					case KeepRefrigerated:
						temp = "要冷蔵モノ";
						break;
					default:
						temp = super.toString();
						break;
				}
				return temp;
			}
		}

		abstract public Type getType();
		abstract public void open();

		@Override
		public String toString() {
			return getType().toString();
		}
	}

	private Temperature temperature;

	public Temperature checkTemperature() {
		// TODO: とりあえず固定値を返す

		switch (getContentType()) {
			case KeepRefrigerated:
				temperature = new Temperature(Temperature.TEMP_DEGREES_DESIRED_REFRIGERATION);
				break;
			default:
				temperature = new Temperature(Temperature.TEMP_DEGREES_NORMAL);
				break;
		}

		return temperature;
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_service_Temperature.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.service;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Temperature {
	private static final String TAG = "Temperature";

	public static final int TEMP_DEGREES_NORMAL = 20;
	public static final int TEMP_DEGREES_DESIRED_REFRIGERATION = -15;

	public int temperatureDegrees;

	public Temperature(int temperatureDegrees) {
		this.temperatureDegrees = temperatureDegrees;
	}

	public boolean isWrong() {
		return (temperatureDegrees > TEMP_DEGREES_DESIRED_REFRIGERATION);
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_service_Transporter.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.service;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Transporter {
	private static final String TAG = "Transporter";

	public Transporter() {
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_town_Address.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.town;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Address {
	private static final String TAG = "Address";

	public String prefecture;
	public String city;
	public int number;

	public Address(String prefecture, String city, int number) {
		this.prefecture = prefecture;
		this.city = city;
		this.number = number;
	}

	@Override
	public String toString() {
		return String.format("<%s : %s - %s - %d>", this.getClass().getSimpleName(), prefecture, city, number);
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_town_House.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.town;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class House {
	private static final String TAG = "House";

	private Address address;

	public House(Address address) {
		this.address = address;
	}

	public Address getAddress() {
		return address;
	}


	private People habitant;

	public void setHabitant(People habitant) {
		this.habitant = habitant;
	}

	public People ringBell() {
		return habitant;
	}


	@Override
	public String toString() {
		return String.format("<%s : address=%s>", this.getClass().getSimpleName(), address);
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_town_HouseMap.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.town;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class HouseMap {
	private static final String TAG = "HouseMap";


	public static List<House> houses = new ArrayList<House>();

	public static House getHouse(Address address) {
		House target = null;
		for (House house : houses) {
			if (house.getAddress().equals(address)) {
				target = house;
				break;
			}
		}
		return target;
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_town_People.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.town;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class People {
	private static final String TAG = "People";

	public People() {
	}

	public void locale(House house) {
		house.setHabitant(this);
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_town_Route.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.town;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Route {
	private static final String TAG = "Route";

	public Address from;
	public Address to;

	public Route(Address from, Address to) {
		this.from = from;
		this.to = to;
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_user_content_FrozenFood.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.user.content;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.lib.Log;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.service.Package;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class FrozenFood extends Package.Content {
	private static final String TAG = "冷凍食品";

	public String message;
	public String descriptionOfFood;

	public FrozenFood(String message, String descriptionOfFood) {
		this.message = message;
		this.descriptionOfFood = descriptionOfFood;
	}

	@Override
	public Type getType() {
		return Type.KeepRefrigerated;
	}

	@Override
	public void open() {
		Log.d(TAG, "商品の説明: \"%s\" メッセージ: \"%s\"", descriptionOfFood, message);
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_user_content_PostCard.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.user.content;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.lib.Log;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.service.Package;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class PostCard extends Package.Content {
	private static final String TAG = "はがき";

	public String message;

	public PostCard(String message) {
		this.message = message;
	}

	@Override
	public Type getType() {
		return Type.Normal;
	}

	@Override
	public void open() {
		Log.d(TAG, "メッセージ: %s", message);
	}
}

src_com_example_smartphoneappdevelopguide_objectoriented_postsystem_user_Customer.java

package com.example.smartphoneappdevelopguide.objectoriented.postsystem.user;

import com.example.smartphoneappdevelopguide.objectoriented.postsystem.lib.Log;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.service.Center;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.service.Deliverer;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.service.Package;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.Address;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.House;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.town.People;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.user.content.FrozenFood;
import com.example.smartphoneappdevelopguide.objectoriented.postsystem.user.content.PostCard;

/**
 * Created by sugawaraMBP on 2015/11/12.
 */
public class Customer extends People {
	private static final String TAG = "Customer";

	private House myHouse;

	public Customer() {
	}

	public void locale(House myHouse) {
		this.myHouse = myHouse;

		myHouse.setHabitant(this);
	}


	public void sendSomePackage(Address friendAddress) {
		if (myHouse == null) {
			Log.e(TAG, "myHouse == null");
			return;
		}

		Package aPackage = createPackage(friendAddress);

		deliverPackage(aPackage);
	}


	private Package createPackage(Address destAddress) {
		Package aPackage;

		int contentType = (int) (System.currentTimeMillis() % 2);
		if (contentType == 0) {
			aPackage = new Package(myHouse.getAddress(), destAddress, new PostCard("こんにちは！"));
		}
		else {
			aPackage = new Package(myHouse.getAddress(), destAddress, new FrozenFood("プレゼントをどうぞ！", "高級毛ガニ"));
		}

		return aPackage;
	}

	private Package aPackage;

	public void deliverPackage(Package aPackage) {
		this.aPackage = aPackage;

		Log.d(TAG, "荷物を送ります。 [%s]", aPackage);

		Address myHouseAddress = myHouse.getAddress();

		Center center = Center.nearestCenter(myHouseAddress);
		if (center != null) {
			center.requireServiceOfPackageCollection(myHouseAddress, aPackage.getContentType());
		}
		else {
			// TODO: 集荷センターが見つからなかった場合
			Log.d(TAG, "集荷センターが見つかりませんでした！");
		}
	}

	public void onArrivedDeliverer(Deliverer arrivedDeliverer) {
		// 配達員が到着した時のイベントハンドラ

		arrivedDeliverer.deposit(aPackage);                      // 荷物を預ける
	}
}