springIOC : @Qualifier Annotation

Address.java

=========

package myspringIOC;

public class Address {

   

private String city; 

private String state; 

private String country;

public Address(){

    System.out.println("Address default constructor...");

}

    public String getCity() {

        return city;

    }

    public void setCity(String city) {

        this.city = city;

    }

    public String getState() {

        return state;

    }

    public void setState(String state) {

        this.state = state;

    }

    public String getCountry() {

        return country;

    }

    public void setCountry(String country) {

        this.country = country;

    }

    public String toString(){ 

        return city+" "+state+" "+country; 

    } 

   

}

Employee.java

==========

package myspringIOC;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Qualifier;

import org.springframework.beans.factory.annotation.Required;

public class Employee {

private int id; 

private String name; 

private Address address;

public Employee(){

System.out.println("Employee default constructor...");

}

    public int getId() {

        return id;

    }

    public void setId(int id) {

        this.id = id;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public Address getAddress() {

        return address;

    }

    @Autowired

    @Qualifier("addr")

    public void setAddress(Address address) {

        System.out.println("Calling setAddress");

        this.address = address;

    }

 

    void show(){ 

        System.out.println(id+" "+name); 

        System.out.println(address);

    }  

}

Beans.xml

========

<?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-4.0.xsd">

    <context:annotation-config />

       <!--<bean id="emp" class="myspringIOC.Employee" autowire="byName"> -->

        <bean id="emp" class="myspringIOC.Employee" >

        <property name="id" value="1111"></property>

        <property name="name" value="Thomas"></property>

        <!--<property name="address" ref="addr"> </property>  -->

   

    </bean>

    <bean id="addr" class="myspringIOC.Address" >

        <property name="city" value="Bengaluru">   </property>

        <property name="state" value="Karnataka">   </property>

        <property name="country" value="India">   </property>

   

    </bean>

   

    <bean id="addr1" class="myspringIOC.Address" >

        <property name="city" value="Chennai">   </property>

        <property name="state" value="Tamalnadu">   </property>

        <property name="country" value="India">   </property>

   

    </bean>

   <!-- -->

</beans>

Test.java

======

package myspringIOC;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test {

      public static void main(String[] args) {

          ApplicationContext context = new ClassPathXmlApplicationContext("Beans.xml");

          Employee emp = (Employee)context.getBean("emp");

          emp.show();

    }

   

}