Builder Design Pattern - Ambulance Builder example

premaseem · premaseem · commit f654f0292416 · 2018-01-22T23:41:42.000-06:00
diff --git a/patternBonus/src/com/premaseem/ambulanceBuilder/AmbulanceBuilder.java b/patternBonus/src/com/premaseem/ambulanceBuilder/AmbulanceBuilder.java
@@ -0,0 +1,38 @@
+package com.premaseem.ambulanceBuilder;
+
+public class AmbulanceBuilder {
+
+	Ambulance buildAmbulance(int numberOfWheel, String label){
+		Ambulance ambulance=new Ambulance();
+		VanFactory vanFactory = new VanFactory();
+		ambulance.setVan(vanFactory.getVan(numberOfWheel));
+		ambulance.setLabel(label);
+		return ambulance;
+	}
+}
+
+class Ambulance{
+	Van van;
+	String label;
+	
+	Van getVan() {
+		return van;
+	}
+	void setVan(Van van) {
+		this.van = van;
+	}
+	String getLabel() {
+		return label;
+	}
+	void setLabel(String label) {
+		this.label = label;
+	}
+
+	
+	@Override
+    public String toString() {
+	    return "Ambulance for " + label + " with number of wheels " + van.noOfWheels;
+    }
+	
+	
+}
diff --git a/patternBonus/src/com/premaseem/ambulanceBuilder/ClientForAmbulanceBuilder.java b/patternBonus/src/com/premaseem/ambulanceBuilder/ClientForAmbulanceBuilder.java
@@ -0,0 +1,49 @@
+package com.premaseem.ambulanceBuilder;
+
+import java.util.Scanner;
+
+
+public class ClientForAmbulanceBuilder {
+
+	public static void main(String[] args) {
+
+		System.out.println("Welcome to Abmulance Builder project  ");
+		Scanner scan = new Scanner(System.in);
+
+		int repeatRunFlag = 1;
+		AmbulanceBuilder ambulanceBuilder = new AmbulanceBuilder();
+		Ambulance ambulance = null;
+		while (repeatRunFlag == 1) {
+			System.out.println("What kind of Ambulance you want ? ");
+			System.out.println("press 1 for 4 Wheeler");
+			System.out.println("press 2 for 6 Wheeler ");
+			System.out.println("press 3 for 8 Wheeler ");
+			
+			int numberOfWheel = scan.nextInt();
+			
+			System.out.println("What kind lable you want for Ambulance ? ");
+			String label = scan.next();
+			
+				ambulance = ambulanceBuilder.buildAmbulance(numberOfWheel, label);
+
+			
+			System.out.println("Ambulanc is build " + ambulance);
+			System.out.println("=============================");
+
+			System.out.println("Press 1 to Repeat .... ");
+			try {
+				repeatRunFlag = scan.nextInt();
+			} catch (Exception e) {
+				repeatRunFlag = 0;
+			}
+
+		}
+
+		System.out.println("\n $$$$$$$$$$$$$$$$$$$$  Thanks by Prem Aseem $$$$$$$$$$$$$$$$$$$$$$ \n ");
+		System.out.println("\n $$$$$$$$$$$$$$$$$$$$$  www.premaseem.com  $$$$$$$$$$$$$$$$$$$$$$ \n ");	
+
+	}
+
+
+
+}
diff --git a/patternBonus/src/com/premaseem/ambulanceBuilder/VanFactory.java b/patternBonus/src/com/premaseem/ambulanceBuilder/VanFactory.java
@@ -0,0 +1,52 @@
+package com.premaseem.ambulanceBuilder;
+
+public class VanFactory {
+
+	// factory method
+	Van createVan(int noOfWheel) {
+		Van van = new Van();
+		van.noOfWheels = noOfWheel;
+		return van;
+	}
+
+	// simple factory
+	Van getVan(int noOfWheel) {
+
+		switch (noOfWheel) {
+		case 1:
+			return new FourWheelerVan();
+		case 2:
+			return new FourWheelerVan();
+		default:
+			return new EightWheelerVan();
+		}
+
+	}
+
+}
+
+
+
+
+
+class Van {
+	int noOfWheels;
+}
+
+class SixWheelerVan extends Van {
+	public SixWheelerVan() {
+		noOfWheels = 6;
+	}
+}
+
+class FourWheelerVan extends Van {
+	public FourWheelerVan() {
+		noOfWheels = 4;
+	}
+}
+
+class EightWheelerVan extends Van {
+	public EightWheelerVan() {
+		noOfWheels = 8;
+	}
+}
