Added spring bean and scopes

Author: avulalakshman

springapp/cbook.jar

@@ -0,0 +1,14 @@
+package com.cj.pj;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class IBMPrinter implements Printer {
+
+	@Override
+	public void printJob(String data) {
+		// TODO Auto-generated method stub
+		
+	}
+
+}

springapp/src/main/java/com/cj/pj/IBMPrinter.java

@@ -0,0 +1,6 @@
+package com.cj.pj;
+
+public interface Printer {
+
+		public void printJob(String data);
+}

springapp/src/main/java/com/cj/pj/Printer.java

@@ -3,19 +3,19 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
-//@Configuration
+@Configuration
 public class AppConfiguration {
 
 		@Bean
 		public Greetings greetings() {
 			BirthdayGreetings obj = new BirthdayGreetings();
 			obj.setMessage("Happy Birthday!....");
-			obj.setSender(sender());
+			obj.setSender(senderObject());
 			return obj;
 		}
 
-		@Bean
-		public Sender sender() {
+		@Bean(name = "senderObj")
+		public Sender senderObject() {
 			return new Sender();
 		}
 }

springapp/src/main/java/com/lwl/springapp/AppConfiguration.java

@@ -3,7 +3,6 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import lombok.Getter;
 import lombok.Setter;
 
 

springapp/src/main/java/com/lwl/springapp/BirthdayGreetings.java

@@ -24,8 +24,10 @@ public static void main(String[] args) {
 
 
 		 ApplicationContext context = new AnnotationConfigApplicationContext(Manager.class);
-		 Greetings greetings = context.getBean(Greetings.class);
-		 greetings.sendMessage();
+		 String[] names = context.getBeanDefinitionNames();
+		 for(String name:names) {
+			 System.out.println(name);
+		 }
 	}
 
 

springapp/src/main/java/com/lwl/springapp/Manager.java

@@ -0,0 +1,43 @@
+package com.lwl.springapp.cbook;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.stereotype.Component;
+
+import com.cj.pj.Printer;
+import com.ljava.cbook.service.ContactService;
+
+@Component
+public class CbookController {
+		
+		
+		private final ContactService service;
+		private final Printer printer;
+		
+		@Autowired
+		public CbookController(ContactService service, Printer printer) {
+			super();
+			this.service = service;
+			this.printer = printer;
+		}
+
+		public static void main(String[] args) {
+			
+			ApplicationContext context = new AnnotationConfigApplicationContext(Config.class);
+			CbookController obj = context.getBean(CbookController.class);
+			System.out.println(context.getBean(ContactService.class));
+			System.out.println(context.getBean(ContactService.class));
+			System.out.println(context.getBean(ContactService.class));
+			
+		}
+		
+		private void addContact() {
+			System.out.println(service);
+			System.out.println(printer);
+			
+		}
+		public void viewContacts() {
+			
+		}
+}

springapp/src/main/java/com/lwl/springapp/cbook/CbookController.java

@@ -0,0 +1,27 @@
+package com.lwl.springapp.cbook;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Scope;
+
+import com.ljava.cbook.service.ContactService;
+import com.ljava.cbook.service.ContactServiceImpl;
+
+
+
+@Configuration
+@ComponentScan(basePackages = {"com.lwl.springapp.cbook","com.cj.pj"})
+public class Config {
+	
+		@Bean
+		@Scope(value = "singleton")
+		public ContactService contactService() {
+			return new ContactServiceImpl();
+		}
+		
+}

springapp/src/main/java/com/lwl/springapp/cbook/Config.java

@@ -1,5 +1,5 @@
 #Generated by Maven Integration for Eclipse
-#Fri Jul 10 09:08:58 IST 2020
+#Sat Jul 11 08:25:54 IST 2020
 version=0.0.1-SNAPSHOT
 groupId=com.lwl
 m2e.projectName=springapp