How to load multiple Spring bean configuration files | Spring Tutorial

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How to load multiple Spring bean configuration files | Spring Tutorial |

How to load multiple Spring bean configuration files | 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 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.ram.core</groupId>
    <artifactId>SpringHelloWorld</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>

Customer.java

package com.ram.core;

/**
 * Spring bean
 *
 */
public class Customer
{
    private String name;

    public void setName(String name)
    {
        System.out.println(this.getClass().getName()
                + ", setName(String name) method is called " + name);
        this.name = name;
    }

    public void customerDetails()
    {
        System.out.println("Customer Name =  " + name);
    }
}

Employee.java

package com.ram.core;

/**
 * Spring bean
 *
 */
public class Employee
{
    private String name;
   
    public void setName(String name)
    {
        System.out.println(this.getClass().getName()
                + ", setName(String name) method is called " + name);
        this.name = name;
    }

    public void employeeDetails()
    {
        System.out.println("Employee Name =  "+name);
    }
}

customer.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="customer" class="com.ram.core.Customer">
        <property name="name" value="John David" />
    </bean>

</beans>

employee.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="employee" class="com.ram.core.Employee">
        <property name="name" value="Peter" />
    </bean>

</beans>

SpringBeans.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">

    <import resource="config/customer.xml"/>
    <import resource="config/employee.xml"/>

</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(
                "SpringBeans.xml");

        System.out.println("---------------------------------------");
       
        Employee employee = (Employee) context.getBean("employee");
        System.out.println("Got employee object from the ApplicationContext");
        employee.employeeDetails();
       
        System.out.println("---------------------------------------");
       
        Customer customer = (Customer) context.getBean("customer");
        System.out.println("Got customer object from the ApplicationContext");
        customer.customerDetails();

    }
}

Output

Oct 06, 2018 9:18:50 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5a2e4553: startup date [Sat Oct 06 09:18:50 IST 2018]; root of context hierarchy
Oct 06, 2018 9:18:51 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [SpringBeans.xml]
Oct 06, 2018 9:18:51 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [config/customer.xml]
Oct 06, 2018 9:18:51 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [config/employee.xml]
com.ram.core.Customer, setName(String name) method is called John David
com.ram.core.Employee, setName(String name) method is called Peter
---------------------------------------
Got employee object from the ApplicationContext
Employee Name =  Peter
---------------------------------------
Got customer object from the ApplicationContext
Customer Name =  John David

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

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

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/e16b8c6ef73a72464fa5812e24080179c4adc913/Spring_2018/SpringDemo_Split_large_file/?at=master

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