Sunday, 1 July 2018

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


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

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

How to Inject Array 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.Arrays;

import com.ram.model.Fruit;

public class FruitShop
{
    private String shopName;
    private Fruit[] fruitArray;

    public String getShopName()
    {
        return shopName;
    }

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

    public Fruit[] getFruitArray()
    {
        return fruitArray;
    }

    public void setFruitArray(Fruit[] fruitArray)
    {
        this.fruitArray = fruitArray;
    }

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

}

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="fruitArray">
            <array>
                <ref bean="fruit1" />
                <ref bean="fruit2" />
            </array>
        </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 20, 2018 7:57:43 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Sun May 20 07:57:42 IST 2018]; root of context hierarchy
May 20, 2018 7:57:43 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, fruitArray=[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_Array_dependentObjects.zip?attredirects=0&d=1

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

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/1d6c0798a42d1eaf790f76d197a6d8351f55fe21/Spring_2018/SpringDemo_Setter_DI_Array_dependentObjects/?at=master

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