How to Inject Map having Dependent Object in key and value using DI by Setter method

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How to Inject Map having Dependent Object in key and value using DI by Setter method

How to Inject Map having Dependent Object in key and value using DI by Setter method

How to Inject Map having Dependent Object in key and value using DI by Setter method

How to Inject Map having Dependent Object in key and value using DI by Setter method

How to Inject Map having Dependent Object in key and value using DI by Setter method

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0%20http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.ram.core</groupId>
    <artifactId>SpringDemo</artifactId>
    <packaging>jar</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>SpringDemo</name>
    <url>http://maven.apache.org</url>

    <properties>
        <spring.version>5.0.2.RELEASE</spring.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>

        <!-- Spring 5 dependencies -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
    </dependencies>
</project>

Fruit.java

package com.ram.model;

public class Fruit
{
    private String name;
    private String color;

    public String getName()
    {
        return name;
    }

    public void setName(String name)
    {
        this.name = name;
    }

    public String getColor()
    {
        return color;
    }

    public void setColor(String color)
    {
        this.color = color;
    }

    @Override
    public String toString()
    {
        return "Fruit [name=" + name + ", color=" + color + "]";
    }

}

FruitSeller.java

package com.ram.model;

public class FruitSeller
{
    private String name;
    private String emailId;

    public String getName()
    {
        return name;
    }

    public void setName(String name)
    {
        this.name = name;
    }

    public String getEmailId()
    {
        return emailId;
    }

    public void setEmailId(String emailId)
    {
        this.emailId = emailId;
    }

    @Override
    public String toString()
    {
        return "FruitSeller [name=" + name + ", emailId=" + emailId + "]";
    }

}

FruitInfo.java

package com.ram.core;

import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import com.ram.model.Fruit;
import com.ram.model.FruitSeller;

public class FruitInfo
{
    private Map<FruitSeller, Fruit> mapOfFruitSellerAndFruit;

    public Map<FruitSeller, Fruit> getMapOfFruitSellerAndFruit()
    {
        return mapOfFruitSellerAndFruit;
    }

    public void setMapOfFruitSellerAndFruit(
            Map<FruitSeller, Fruit> mapOfFruitSellerAndFruit)
    {
        this.mapOfFruitSellerAndFruit = mapOfFruitSellerAndFruit;
    }

    public void displayFruitInfo()
    {
        System.out.println("FruitInfo [mapOfFruitSellerAndFruit="
                + mapOfFruitSellerAndFruit + "]");

        Set<Entry<FruitSeller, Fruit>> set = mapOfFruitSellerAndFruit
                .entrySet();

        Iterator<Entry<FruitSeller, Fruit>> itr = set.iterator();
        while (itr.hasNext())
        {
            Entry<FruitSeller, Fruit> entry = itr.next();
            System.out.println("FruitSeller = " + entry.getKey() + ", Fruit = "
                    + entry.getValue());
        }

    }

}

applicationContext.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">

    <bean id="fruitSeller1" class="com.ram.model.FruitSeller">
        <property name="name" value="Peter"></property>
        <property name="emailId" value="Peter@yahoo.com"></property>
    </bean>

    <bean id="fruitSeller2" class="com.ram.model.FruitSeller">
        <property name="name" value="John"></property>
        <property name="emailId" value="John@gmail.com"></property>
    </bean>

    <bean id="fruit1" class="com.ram.model.Fruit">
        <property name="name" value="Apple"></property>
        <property name="color" value="Red"></property>
    </bean>

    <bean id="fruit2" class="com.ram.model.Fruit">
        <property name="name" value="Grapes"></property>
        <property name="color" value="Violet"></property>
    </bean>

    <bean id="fruitInfo" class="com.ram.core.FruitInfo">

        <property name="mapOfFruitSellerAndFruit">
            <map>
                <entry key-ref="fruitSeller1" value-ref="fruit1"></entry>
                <entry key-ref="fruitSeller2" value-ref="fruit2"></entry>
            </map>
        </property>

    </bean>

</beans>

App.java

package com.ram.core;

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

public class App
{
    public static void main(String[] args)
    {
        ApplicationContext context = new ClassPathXmlApplicationContext(
                "applicationContext.xml");

        System.out.println("---------------------------------------");

        FruitInfo fruitInfo = (FruitInfo) context.getBean("fruitInfo");
        System.out.println(
                "Got fruitInfo object from the ApplicationContext(Spring container)");
        fruitInfo.displayFruitInfo();
    }

}

Output

May 17, 2018 8:47:52 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Thu May 17 08:47:52 IST 2018]; root of context hierarchy
May 17, 2018 8:47:52 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
Got fruitInfo object from the ApplicationContext(Spring container)
FruitInfo [mapOfFruitSellerAndFruit={FruitSeller [name=Peter, emailId=Peter@yahoo.com]=Fruit [name=Apple, color=Red], FruitSeller [name=John, emailId=John@gmail.com]=Fruit [name=Grapes, color=Violet]}]
FruitSeller = FruitSeller [name=Peter, emailId=Peter@yahoo.com], Fruit = Fruit [name=Apple, color=Red]
FruitSeller = FruitSeller [name=John, emailId=John@gmail.com], Fruit = Fruit [name=Grapes, color=Violet]

Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_Setter_DI_Map_KVDependentObject.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_Setter_DI_Map_KVDependentObject

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/00d9c316f5df8a9bcb6603e70c0baf4d24d6fdcd/Spring_2018/SpringDemo_Setter_DI_Map_KVDependentObject/?at=master

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