lesson 032

Author: semihbiygit

src/com/bilgeadam/boost/java/lesson032/builder/Adress.java

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+package com.bilgeadam.boost.java.lesson032.builder;
+
+public class Adress {
+	private String street;
+	private int doorNumber;
+	private int postalCode;
+	private String city;
+	private String country;
+
+	public Adress(String street, int doorNumber, int postalCode, String city, String country) {
+		super();
+		this.street = street;
+		this.doorNumber = doorNumber;
+		this.postalCode = postalCode;
+		this.city = city;
+		this.country = country;
+	}
+
+	public String getStreet() {
+		return this.street;
+	}
+
+	public int getDoorNumber() {
+		return this.doorNumber;
+	}
+
+	public int getPostalCode() {
+		return this.postalCode;
+	}
+
+	public String getCity() {
+		return this.city;
+	}
+
+	public String getCountry() {
+		return this.country;
+	}
+
+	@Override
+	public String toString() {
+		return "Adress [street=" + this.street + ", doorNumber=" + this.doorNumber + ", postalCode=" + this.postalCode
+				+ ", city=" + this.city + ", country=" + this.country + "]";
+	}
+
+}

src/com/bilgeadam/boost/java/lesson032/builder/BuilderTest.java

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+package com.bilgeadam.boost.java.lesson032.builder;
+
+public class BuilderTest {
+	public static void main(String[] args) {
+		House house = new House.HouseBuilder(200, 4, 2, 20, new Adress("cadde", 95, 16135, "Bursa", "Turkiye"))
+				.areaOfBackGarden(300).areaOfPorch(20).build();
+
+		System.out.println(house);
+
+		House house2 = new House.HouseBuilder(100, 4, 2, 20, new Adress("sokak", 195, 16250, "Bursa", "Turkiye"))
+				.areaOfFrontGarden(150).areaOfPorch(20).numOfBalconies(3).build();
+
+		System.out.println(house2);
+
+	}
+
+}

src/com/bilgeadam/boost/java/lesson032/builder/House.java

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+package com.bilgeadam.boost.java.lesson032.builder;
+
+public class House {
+	private int area; // must have
+	private int numOfRooms; // must have
+	private int numOfFloors; // must have
+	private int numOfBalconies; // optional
+	private int areaOfFrontGarden; // optional
+	private int areaOfBackGarden; // optional
+	private int numOfWindows; // must have
+	private int numOfOutDoors; // optional
+	private int areaOfPorch; // optional
+	private Adress adress; // must have
+
+	public House(HouseBuilder houseBuilder) {
+		this.area = houseBuilder.area;
+		this.numOfRooms = houseBuilder.numOfRooms;
+		this.numOfFloors = houseBuilder.numOfFloors;
+		this.numOfBalconies = houseBuilder.numOfBalconies;
+		this.areaOfFrontGarden = houseBuilder.areaOfFrontGarden;
+		this.areaOfBackGarden = houseBuilder.areaOfBackGarden;
+		this.numOfWindows = houseBuilder.numOfWindows;
+		this.numOfOutDoors = houseBuilder.numOfOutDoors;
+		this.areaOfPorch = houseBuilder.areaOfPorch;
+		this.adress = houseBuilder.adress;
+	}
+
+	@Override
+	public String toString() {
+		return "House [area=" + this.area + ", numOfRooms=" + this.numOfRooms + ", numOfFloors=" + this.numOfFloors
+				+ ", numOfBalconies=" + this.numOfBalconies + ", areaOfFrontGarden=" + this.areaOfFrontGarden
+				+ ", areaOfBackGarden=" + this.areaOfBackGarden + ", numOfWindows=" + this.numOfWindows
+				+ ", numOfOutDoors=" + this.numOfOutDoors + ", areaOfPorch=" + this.areaOfPorch + ", adress="
+				+ this.adress + "]";
+	}
+
+	public static class HouseBuilder {
+		private int area; // must have
+		private int numOfRooms; // must have
+		private int numOfFloors; // must have
+		private int numOfBalconies; // optional
+		private int areaOfFrontGarden; // optional
+		private int areaOfBackGarden; // optional
+		private int numOfWindows; // must have
+		private int numOfOutDoors; // optional
+		private int areaOfPorch; // optional
+		private Adress adress; // must have
+
+		public HouseBuilder(int area, int numOfRooms, int numOfFloors, int numOfWindows, Adress adress) {
+			super();
+			this.area = area;
+			this.numOfRooms = numOfRooms;
+			this.numOfFloors = numOfFloors;
+			this.numOfWindows = numOfWindows;
+			this.adress = adress;
+		}
+
+		public HouseBuilder numOfBalconies(int numOfBalconies) {
+			this.numOfBalconies = numOfBalconies;
+			return this;
+		}
+
+		public HouseBuilder areaOfFrontGarden(int areaOfFrontGarden) {
+			this.areaOfFrontGarden = areaOfFrontGarden;
+			return this;
+		}
+
+		public HouseBuilder areaOfBackGarden(int areaOfBackGarden) {
+			this.areaOfBackGarden = areaOfBackGarden;
+			return this;
+		}
+
+		public HouseBuilder numOfOutDoors(int numOfOutDoors) {
+			this.numOfOutDoors = numOfOutDoors;
+			return this;
+		}
+
+		public HouseBuilder areaOfPorch(int areaOfPorch) {
+			this.areaOfPorch = areaOfPorch;
+			return this;
+		}
+
+		public House build() {
+			House house = new House(this);
+			return house;
+		}
+
+	}
+}

src/com/bilgeadam/boost/java/lesson032/factory/CommercialPlan.java

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+package com.bilgeadam.boost.java.lesson032.factory;
+
+public class CommercialPlan extends Plan {
+
+	@Override
+	void getRate() {
+
+		rate = 7.50;
+	}
+
+}

src/com/bilgeadam/boost/java/lesson032/factory/DomesticPlan.java

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+package com.bilgeadam.boost.java.lesson032.factory;
+
+public class DomesticPlan extends Plan {
+
+	@Override
+	void getRate() {
+
+		rate = 3.50;
+	}
+
+}

src/com/bilgeadam/boost/java/lesson032/factory/GenerateBill.java

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+package com.bilgeadam.boost.java.lesson032.factory;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class GenerateBill {
+
+	public static void main(String[] args) throws IOException {
+
+		PlanFactory planFactory = new PlanFactory();
+		System.out.println("Enter the name of plan : ");
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		
+		
+		String planName = br.readLine();
+		System.out.println("Enter the number of units : ");
+		int units =Integer.parseInt( br.readLine()) ;
+		
+		Plan p = planFactory.getPlan(planName);
+		System.out.println("Bill amount for "+planName+" of "+units+" units is : ");
+		p.getRate();
+		p.calculateBill(units);
+		
+	}
+
+}

src/com/bilgeadam/boost/java/lesson032/factory/InstituionalPlan.java

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+package com.bilgeadam.boost.java.lesson032.factory;
+
+public class InstituionalPlan extends Plan {
+
+	@Override
+	void getRate() {
+
+		rate = 5.50;
+	}
+	
+}

src/com/bilgeadam/boost/java/lesson032/factory/Plan.java

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+package com.bilgeadam.boost.java.lesson032.factory;
+
+public abstract class Plan {
+	
+	double rate;
+	abstract void getRate();
+	
+	public void calculateBill(int units) {
+		System.out.println(units*rate);
+	}
+	
+}

src/com/bilgeadam/boost/java/lesson032/factory/PlanFactory.java

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+package com.bilgeadam.boost.java.lesson032.factory;
+
+public class PlanFactory {
+
+	public Plan getPlan(String planType) {
+		if(planType == null) {
+			return null;
+		}
+		if (planType.equalsIgnoreCase("Domestic")) {
+			return new DomesticPlan();
+		}
+		else if (planType.equalsIgnoreCase("Commercial")) {
+			return new CommercialPlan();
+		}
+		else if (planType.equalsIgnoreCase("Instituional")) {
+			return new InstituionalPlan();
+		}
+		return null;
+	}
+}

src/com/bilgeadam/boost/java/lesson032/singleton/Commons.java

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+package com.bilgeadam.boost.java.lesson032.singleton;
+
+import java.util.logging.Logger;
+
+public class Commons {
+
+	private static Commons instance = null ;
+	private Logger logger;
+	private String something;
+	
+	private Commons() { // ilk adım. sınıfın yapıcı yöntemi private olmalı. 
+		super(); // Bu şekilde başka bir yerden sınıf örneği oluşturulamaz.
+		this.logger= Logger.getLogger("bla bla");
+		this.something = "";
+	}
+	
+	public static Commons getInstance() { // ikinci adım: bir static metod üzerinden sınıf örneğine erişebilmek gerekli.
+		if(Commons.instance==null) { // lazy initialization
+			Commons.instance = new Commons();
+		}
+		return Commons.instance;
+	}
+	
+	public Logger getLogger() {
+		return this.logger;
+	}
+	public String getSomething() {
+		return this.something;
+	}
+	public void setSomething(String something) {
+		this.something=something;
+	}
+
+}