package com.springexample.entities;

import org.springframework.stereotype.Component;

@Component
@NLLCGroupOfColleges
public class JohnPeterEnglandCollege {
	private College college = new College();
	
	public JohnPeterEnglandCollege(){
		college.setCollegeName("John Peter");
		college.setCity("Wasington");
	}

	public College getCollege() {
		return college;
	}
	public void setCollege(College college) {
		this.college = college;
	}	
}

package com.springexample;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class RunMyProgram {
	public static void main(String[] args) {
		ApplicationContext context = new ClassPathXmlApplicationContext("beans.xml");
		if (context.containsBean("johnPeterEnglandCollege")){
			System.out.println("Bean exist: johnPeterEnglandCollege");
		}
		else {
			System.out.println("Bean not exist: johnPeterEnglandCollege");
		}
		
		if (context.containsBean("josephCollege")){
			System.out.println("Bean exist: JosephCollege");
		}
		else {
			System.out.println("Bean not exist: JosephCollege");
		}
		
		if (context.containsBean("smartersCollege")){
			System.out.println("Bean exist: SmartersCollege");
		}
		else {
			System.out.println("Bean not exist: SmartersCollege");
		}
	}
}

package com.springexample.entities;

public class College {
	private String collegeName;
	private String city;
	
	public String getCollegeName() {
		return collegeName;
	}
	public void setCollegeName(String collegeName) {
		this.collegeName = collegeName;
	}
	public String getCity() {
		return city;
	}
	public void setCity(String city) {
		this.city = city;
	}
	
	public static void display(College college){
		System.out.println("College Details");
		System.out.println(college.getCollegeName());
		System.out.println(college.getCity());
	}
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
		
	<context:component-scan base-package="com.springexample.entities">
		<context:include-filter type="annotation" expression="com.springexample.entities.NLLCGroupOfColleges"/>
		<context:exclude-filter type="assignable" expression="com.springexample.entities.SmartersCollege"/>
	</context:component-scan>

</beans>

package com.springexample.entities;

import org.springframework.stereotype.Component;

@Component
@NLLCGroupOfColleges
public class SmartersCollege {
	private College college = new College();
	
	public SmartersCollege(){
		college.setCollegeName("Smarters College");
		college.setCity("London");
	}

	public College getCollege() {
		return college;
	}
	public void setCollege(College college) {
		this.college = college;
	}	
}

package com.springexample.entities;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Target({ElementType.FIELD,ElementType.TYPE,ElementType.PARAMETER})
@Retention(RetentionPolicy.RUNTIME)
public @interface NLLCGroupOfColleges {
}

package com.springexample.entities;

import org.springframework.stereotype.Component;

@Component
@NLLCGroupOfColleges
public class JosephCollege {
	private College college = new College();
	
	public JosephCollege(){
		college.setCollegeName("Joseph College");
		college.setCity("Newyork");
	}

	public College getCollege() {
		return college;
	}
	public void setCollege(College college) {
		this.college = college;
	}	
}