Friday 25 May 2018

How to Inject Set having Dependent Object using Spring dependency injection by constructor?


Click here to watch on Youtube:
https://www.youtube.com/watch?v=WIwhTIPYjq0&list=UUhwKlOVR041tngjerWxVccw

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How to Inject Set having Dependent Object using Spring dependency injection by constructor?

How to Inject Set having Dependent Object using Spring dependency injection by constructor?

How to Inject Set having Dependent Object using Spring dependency injection by constructor?

How to Inject Set having Dependent Object using Spring dependency injection by constructor?

How to Inject Set having Dependent Object using Spring dependency injection by constructor?

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 Fruit(String name, String color)
    {
        System.out.println("Fruit(String name, String color) "
                + "constructor is called by the Spring container");
        this.name = name;
        this.color = color;
    }

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

}

FruitShop.java

package com.ram.core;

import java.util.Set;

import com.ram.model.Fruit;

public class FruitShop
{
    private String shopName;
    private Set<Fruit> setOfAvailableFruits;

    public FruitShop(String shopName, Set<Fruit> setOfAvailableFruits)
    {
        System.out.println(
                "FruitShop(String shopName, Set<Fruit> setOfAvailableFruits) "
                        + "constructor is called by the Spring container");
        this.shopName = shopName;
        this.setOfAvailableFruits = setOfAvailableFruits;
    }

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

}

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">
        <constructor-arg type="String" value="Apple"></constructor-arg>
        <constructor-arg type="String" value="Red"></constructor-arg>
    </bean>

    <bean id="fruit2" class="com.ram.model.Fruit">
        <constructor-arg type="String" value="Grapes"></constructor-arg>
        <constructor-arg type="String" value="Violet"></constructor-arg>
    </bean>

    <bean id="fruitShop" class="com.ram.core.FruitShop">

        <constructor-arg type="String" value="Fruit Mart"></constructor-arg>
        <constructor-arg type="java.util.Set">
            <set>
                <ref bean="fruit1" />
                <ref bean="fruit2" />
            </set>
        </constructor-arg>

    </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

Apr 27, 2018 9:28:32 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Fri Apr 27 09:28:32 IST 2018]; root of context hierarchy
Apr 27, 2018 9:28:32 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
Fruit(String name, String color) constructor is called by the Spring container
Fruit(String name, String color) constructor is called by the Spring container
FruitShop(String shopName, Set<Fruit> setOfAvailableFruits) constructor is called by the Spring container
---------------------------------------
Got fruitShop object from the ApplicationContext(Spring Container)
FruitShop [shopName=Fruit Mart, setOfAvailableFruits=[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_DI_Set_DependentObject.zip?attredirects=0&d=1

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

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/a1d5b66cf948298a0bb7c33e9b2c0967275f5a95/Spring_2018/SpringDemo_DI_Set_DependentObject/?at=master

See also:
  • All JavaEE Videos Playlist
  • All JavaEE Videos
  • All JAVA EE Links
  • Spring Tutorial
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • Kids Tutorial
  • Cooking Tutorial
  • How to Inject Set Collection using Spring dependency injection by constructor? | Spring Tutorial


    Click here to watch on Youtube:
    https://www.youtube.com/watch?v=X11QSQQWcnI&list=UUhwKlOVR041tngjerWxVccw

    Click the below Image to Enlarge:
    How to Inject Set Collection using Spring dependency injection by constructor? | Spring Tutorial

    How to Inject Set Collection using Spring dependency injection by constructor? | Spring Tutorial

    How to Inject Set Collection using Spring dependency injection by constructor? | Spring Tutorial

    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>

    FruitShop.java

    package com.ram.core;

    import java.util.Set;

    public class FruitShop
    {
        private String shopName;
        private Set<String> setOfAvailableFruits;

        public FruitShop(String shopName, Set<String> setOfAvailableFruits)
        {
            System.out.println(
                    "FruitShop(String shopName, Set<String> setOfAvailableFruits) "
                            + "constructor is called by the Spring container");
            this.shopName = shopName;
            this.setOfAvailableFruits = setOfAvailableFruits;
        }

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

    }

    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="fruitShop" class="com.ram.core.FruitShop">
            <constructor-arg type="String" value="Fruit Mart"></constructor-arg>
            <constructor-arg type="java.util.Set">
                <set>
                    <value>apple</value>
                    <value>pineapple</value>
                    <value>orange</value>
                </set>
            </constructor-arg>
        </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

    Apr 25, 2018 9:13:55 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
    INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Wed Apr 25 09:13:55 IST 2018]; root of context hierarchy
    Apr 25, 2018 9:13:55 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
    INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
    FruitShop(String shopName, Set<String> setOfAvailableFruits) constructor is called by the Spring container
    ---------------------------------------
    Got fruitShop object from the ApplicationContext(Spring Container)
    FruitShop [shopName=Fruit Mart, setOfAvailableFruits=[apple, pineapple, orange]]

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

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

    Bitbucket Link:
    https://bitbucket.org/ramram43210/spring/src/a1d5b66cf948298a0bb7c33e9b2c0967275f5a95/Spring_2018/SpringDemo_DI_Set_Collection/?at=master

    See also:
  • All JavaEE Videos Playlist
  • All JavaEE Videos
  • All JAVA EE Links
  • Spring Tutorial
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • Kids Tutorial
  • Cooking Tutorial
  • How to Inject List having Dependent Object using Spring dependency injection by constructor?


    Click here to watch on Youtube:
    https://www.youtube.com/watch?v=BhLSUvOZR1s&list=UUhwKlOVR041tngjerWxVccw

    Click the below Image to Enlarge:

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

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

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

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

    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 Fruit(String name, String color)
        {
            System.out.println("Fruit(String name, String color) "
                    + "constructor is called by the Spring container");
            this.name = name;
            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 FruitShop(String shopName, List<Fruit> listOfAvailableFruits)
        {
            System.out.println(
                    "FruitShop(String shopName, List<Fruit> listOfAvailableFruits) "
                            + "constructor is called by the Spring container");
            this.shopName = shopName;
            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">
            <constructor-arg type="String" value="Apple"></constructor-arg>
            <constructor-arg type="String" value="Red"></constructor-arg>
        </bean>

        <bean id="fruit2" class="com.ram.model.Fruit">
            <constructor-arg type="String" value="Grapes"></constructor-arg>
            <constructor-arg type="String" value="Violet"></constructor-arg>
        </bean>

        <bean id="fruitShop" class="com.ram.core.FruitShop">

            <constructor-arg type="String" value="Fruit Mart"></constructor-arg>
            <constructor-arg type="java.util.List">
                <list>
                    <ref bean="fruit1" />
                    <ref bean="fruit2" />
                </list>
            </constructor-arg>

        </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

    Apr 26, 2018 9:42:33 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
    INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Thu Apr 26 09:42:33 IST 2018]; root of context hierarchy
    Apr 26, 2018 9:42:34 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
    INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
    Fruit(String name, String color) constructor is called by the Spring container
    Fruit(String name, String color) constructor is called by the Spring container
    FruitShop(String shopName, List<Fruit> listOfAvailableFruits) constructor is called by the Spring container
    ---------------------------------------
    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_DI_List_DependentObject.zip?attredirects=0&d=1

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

    Bitbucket Link:
    https://bitbucket.org/ramram43210/spring/src/a1d5b66cf948298a0bb7c33e9b2c0967275f5a95/Spring_2018/SpringDemo_DI_List_DependentObject/?at=master

    See also:
  • All JavaEE Videos Playlist
  • All JavaEE Videos
  • All JAVA EE Links
  • Spring Tutorial
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • Kids Tutorial
  • Cooking Tutorial