Monday 27 August 2018

Spring MessageSourceAware Java Bean Example | Spring Tutorial | Spring Framework


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Spring MessageSourceAware Java Bean Example | Spring Tutorial | Spring Framework

Spring MessageSourceAware Java Bean Example | Spring Tutorial | Spring Framework

Spring MessageSourceAware Java Bean Example | Spring Tutorial | Spring Framework


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>

messages_en_US.properties

greeting=hello

messages_fr.properties

greeting=Bonjour

MessageSourceAwareImpl.java

package com.ram.aware;

import java.util.Locale;

import org.springframework.context.MessageSource;
import org.springframework.context.MessageSourceAware;

public class MessageSourceAwareImpl implements MessageSourceAware
{

    private MessageSource messageSource;

    public void setMessageSource(MessageSource messageSource)
    {
        System.out.println(
                "setMessageSource(MessageSource messageSource) is called "
                        + "by the Spring Container");
        this.messageSource = messageSource;

    }

    public void displayMessagesSpecificToLocale()
    {

        String englishGreet = messageSource.getMessage("greeting", null,
                Locale.US);
        System.out.println("Greeting in English = " + englishGreet);

        String frenchGreet = messageSource.getMessage("greeting", null,
                Locale.FRENCH);
        System.out.println("Greeting in French  = " + frenchGreet);
    }

}

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="messageSourceAware" class="com.ram.aware.MessageSourceAwareImpl" />

    <bean id="messageSource"
        class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
        <property name="basename" value="classpath:messages" />
        <property name="defaultEncoding" value="UTF-8" />
    </bean>

</beans>

App.java

package com.ram.core;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.ram.aware.MessageSourceAwareImpl;

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

        MessageSourceAwareImpl messageSourceAwareImpl = applicationContext
                .getBean("messageSourceAware", MessageSourceAwareImpl.class);

        System.out.println("messageSourceAwareImpl = "+messageSourceAwareImpl);

        messageSourceAwareImpl.displayMessagesSpecificToLocale();

        applicationContext.close();
    }
}

Output

Aug 12, 2018 1:26:05 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Sun Aug 12 13:26:05 IST 2018]; root of context hierarchy
Aug 12, 2018 1:26:05 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
setMessageSource(MessageSource messageSource) is called by the Spring Container
messageSourceAwareImpl = com.ram.aware.MessageSourceAwareImpl@1ce92674
Greeting in English = hello
Greeting in French  = Bonjour
Aug 12, 2018 1:26:06 PM org.springframework.context.support.AbstractApplicationContext doClose
INFO: Closing org.springframework.context.support.ClassPathXmlApplicationContext@5b37e0d2: startup date [Sun Aug 12 13:26:05 IST 2018]; root of context hierarchy

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

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

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/7263e510faff84cccb3b86c655f02a10c351ddcb/Spring_2018/SpringDemo_MessageSourceAware/?at=master

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