Wednesday 27 June 2018

How to Inject List having Dependent Object using Spring dependency injection by Setter method?


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How to Inject List having Dependent Object using Spring dependency injection by Setter method?

How to Inject List having Dependent Object using Spring dependency injection by Setter method?

How to Inject List having Dependent Object using Spring dependency injection by Setter method?

How to Inject List having Dependent Object using Spring dependency injection 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 + "]";
    }

}

FruitShop.java

package com.ram.core;

import java.util.List;

import com.ram.model.Fruit;

public class FruitShop
{
    private String shopName;
    private List<Fruit> listOfAvailableFruits;
   
    public String getShopName()
    {
        return shopName;
    }

    public void setShopName(String shopName)
    {
        this.shopName = shopName;
    }

    public List<Fruit> getListOfAvailableFruits()
    {
        return listOfAvailableFruits;
    }

    public void setListOfAvailableFruits(List<Fruit> listOfAvailableFruits)
    {
        this.listOfAvailableFruits = listOfAvailableFruits;
    }

    public void displayFruitShopInfo()
    {
        System.out.println("FruitShop [shopName=" + shopName
                + ", listOfAvailableFruits=" + listOfAvailableFruits + "]");
    }

}

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="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="fruitShop" class="com.ram.core.FruitShop">
        <property name="shopName" value="Fruit Mart"></property>
        <property name="listOfAvailableFruits">
            <list>
                <ref bean="fruit1" />
                <ref bean="fruit2" />
            </list>
        </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("---------------------------------------");

        FruitShop fruitShop = (FruitShop) context.getBean("fruitShop");
        System.out.println(
                "Got fruitShop object from the ApplicationContext(Spring Container)");
        fruitShop.displayFruitShopInfo();

    }

}

Output

May 13, 2018 10:45:28 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Sun May 13 10:45:28 IST 2018]; root of context hierarchy
May 13, 2018 10:45:28 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
Got fruitShop object from the ApplicationContext(Spring Container)
FruitShop [shopName=Fruit Mart, listOfAvailableFruits=[Fruit [name=Apple, color=Red], Fruit [name=Grapes, color=Violet]]]

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

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

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/e3083a26f8b5dc28ef01dcb434963fb880058c7b/Spring_2018/SpringDemo_Setter_DI_List_dependentObject/?at=master

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