XML Marshalling and UnMarshalling using Spring and JAXB XML binding framework - XML Config

Click here to watch on Youtube:
https://www.youtube.com/watch?v=1GLuPkkXmTA&list=UUhwKlOVR041tngjerWxVccw

Click the below Image to Enlarge:

XML Marshalling and UnMarshalling using Spring and JAXB XML binding framework - XML Config

XML Marshalling and UnMarshalling using Spring and JAXB XML binding framework - XML Config

XML Marshalling and UnMarshalling using Spring and JAXB XML binding framework - XML Config

XML Marshalling and UnMarshalling using Spring and JAXB XML binding framework - XML Config

XML Marshalling and UnMarshalling using Spring and JAXB XML binding framework - XML Config

XML Marshalling and UnMarshalling using Spring and JAXB XML binding framework - XML Config

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>SpringDemo</artifactId>
    <packaging>jar</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>SpringDemo</name>
    <url>http://maven.apache.org</url>

    <properties>
        <spring.version>5.1.1.RELEASE</spring.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.8.2</version>
            <scope>test</scope>
        </dependency>

        <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>


        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>${spring.version}</version>
        </dependency>
    </dependencies>
</project>

Company.java

package com.ram.core.model;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

@XmlRootElement(name = "CompanyInfo", namespace = "com.ram.core")
@XmlAccessorType(XmlAccessType.NONE)
public class Company
{
    @XmlAttribute(name = "Id")
    private Integer id;

    @XmlElement(name = "CompanyName")
    private String companyName;

    @XmlElement(name = "CEO_Name")
    private String ceoName;

    @XmlElement(name = "Number_Of_Employees")
    private Integer numberOfEmployees;

    public Integer getId()
    {
        return id;
    }

    public void setId(Integer id)
    {
        this.id = id;
    }

    public String getCompanyName()
    {
        return companyName;
    }

    public void setCompanyName(String companyName)
    {
        this.companyName = companyName;
    }

    public String getCeoName()
    {
        return ceoName;
    }

    public void setCeoName(String ceoName)
    {
        this.ceoName = ceoName;
    }

    public Integer getNumberOfEmployees()
    {
        return numberOfEmployees;
    }

    public void setNumberOfEmployees(Integer numberOfEmployees)
    {
        this.numberOfEmployees = numberOfEmployees;
    }

    @Override
    public String toString()
    {
        return "Company [id=" + id + ", companyName=" + companyName
                + ", ceoName=" + ceoName + ", numberOfEmployees="
                + numberOfEmployees + "]";
    }

}

XMLConverter.java

package com.ram.core;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.springframework.oxm.Marshaller;
import org.springframework.oxm.Unmarshaller;

public class XMLConverter
{
    private Marshaller marshaller; 
    private Unmarshaller unmarshaller;

    public Marshaller getMarshaller()
    {
        return marshaller;
    }

    public void setMarshaller(Marshaller marshaller)
    {
        this.marshaller = marshaller;
    }

    public Unmarshaller getUnmarshaller()
    {
        return unmarshaller;
    }

    public void setUnmarshaller(Unmarshaller unmarshaller)
    {
        this.unmarshaller = unmarshaller;
    }

    public void convertFromObjectToXML(Object object, String filepath)
            throws IOException
    {

        FileOutputStream os = null;
        try
        {
            os = new FileOutputStream(filepath);
            getMarshaller().marshal(object, new StreamResult(os));
        }
        finally
        {
            if (os != null)
            {
                os.close();
            }
        }
    }

    public Object convertFromXMLToObject(String xmlfile)
            throws IOException
    {
        FileInputStream is = null;
        try
        {
            is = new FileInputStream(xmlfile);
            return getUnmarshaller().unmarshal(new StreamSource(is));
        }
        finally
        {
            if (is != null)
            {
                is.close();
            }
        }
    }

}

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="XMLConverter" class="com.ram.core.XMLConverter">
        <property name="marshaller" ref="jaxbMarshaller" />
        <property name="unmarshaller" ref="jaxbMarshaller" />
    </bean>
    <bean id="jaxbMarshaller"
        class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
        <property name="packagesToScan" value="com.ram.core.model" />

        <property name="marshallerProperties">
            <map>
                <entry key="jaxb.formatted.output">
                    <value type="boolean">true</value>
                </entry>
            </map>
        </property>

    </bean>

</beans>

App.java

package com.ram.core;

import java.io.IOException;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.ram.core.model.Company;

public class App
{
    private static final String XML_FILE_NAME = "company.xml";

    public static void main(String[] args) throws IOException
    {
        ApplicationContext context = new ClassPathXmlApplicationContext(
                "applicationContext.xml");
        XMLConverter converter = (XMLConverter) context
                .getBean(XMLConverter.class);

        // Perform Marshaling
        Company company = new Company();
        company.setId(201);
        company.setCompanyName("Google");
        company.setCeoName("Peter");
        company.setNumberOfEmployees(50000);

        // from object to XML file
        converter.convertFromObjectToXML(company, XML_FILE_NAME);
        System.out.println("Converted Object to XML!");

        // from XML to object
        Company company2 = (Company) converter
                .convertFromXMLToObject(XML_FILE_NAME);
        System.out.println(company2);
        System.out.println("Converted XML to Object!");
       
    }
}

Output:

Converted Object to XML!
Company [id=201, companyName=Google, ceoName=Peter, numberOfEmployees=50000]
Converted XML to Object!

company.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns2:CompanyInfo xmlns:ns2="com.ram.core" Id="201">
    <CompanyName>Google</CompanyName>
    <CEO_Name>Peter</CEO_Name>
    <Number_Of_Employees>50000</Number_Of_Employees>
</ns2:CompanyInfo>

Click the below link to download the code:
https://sites.google.com/site/javaspringram2019/java_spring_2019/SpringDemo_JAXB_XML_Config.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java_Spring_2019/tree/master/Spring_2019/SpringDemo_JAXB_XML_Config

Bitbucket Link:
https://bitbucket.org/ramram43210/java_spring_2019/src/f045a9157b562b3c9ebf2a959f4b1cf324cce850/Spring_2019/SpringDemo_JAXB_XML_Config/?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