Monday 28 January 2019

Spring and Xstream Integration | Spring Object/XML Mapping | jaxb marshalling and unmarshalling


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Spring and Xstream Integration | Spring Object/XML Mapping | jaxb marshalling and unmarshalling

Spring and Xstream Integration | Spring Object/XML Mapping | jaxb marshalling and unmarshalling

Spring and Xstream Integration | Spring Object/XML Mapping | jaxb marshalling and unmarshalling

Spring and Xstream Integration | Spring Object/XML Mapping | jaxb marshalling and unmarshalling

Spring and Xstream Integration | Spring Object/XML Mapping | jaxb marshalling and unmarshalling

Spring and Xstream Integration | Spring Object/XML Mapping | jaxb marshalling and unmarshalling
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>

        <!-- https://mvnrepository.com/artifact/com.thoughtworks.xstream/xstream -->
        <dependency>
            <groupId>com.thoughtworks.xstream</groupId>
            <artifactId>xstream</artifactId>
            <version>1.4.10</version>
        </dependency>


    </dependencies>
</project>

Company.java

package com.ram.core.model;

public class Company
{
    private Integer id;

    private String companyName;

    private String ceoName;

    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 + "]";
    }

}

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<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="xstreamMarshallerBean"
        class="org.springframework.oxm.xstream.XStreamMarshaller">
     
        <property name="annotatedClasses"
            value="com.ram.core.model.Company"></property>
         
    </bean>

</beans>

App.java

package com.ram.core;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;

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

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.oxm.Marshaller;
import org.springframework.oxm.Unmarshaller;

import com.ram.core.model.Company;

public class App
{

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

        convertObjectToXML(context);
        convertXMLToObject(context);
    }

    private static void convertObjectToXML(ApplicationContext context)
            throws IOException
    {
        Marshaller marshaller = (Marshaller) context
                .getBean("xstreamMarshallerBean");

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

        marshaller.marshal(company,
                new StreamResult(new FileWriter("company.xml")));

        System.out.println("XML Created Sucessfully");
    }
 
    private static void convertXMLToObject(ApplicationContext context)
            throws FileNotFoundException, IOException
    {
        Unmarshaller unmarshaller = (Unmarshaller) context
                .getBean("xstreamMarshallerBean");   
     
        FileInputStream is = null;
        try
        {
            is = new FileInputStream("company.xml");
            Object object = unmarshaller.unmarshal(new StreamSource(is));
            System.out.println(object);
            System.out.println("Converted XML to Object!");
        }
        finally
        {
            if (is != null)
            {
                is.close();
            }
        }
    }

 
}

Output:

XML Created Sucessfully
Security framework of XStream not initialized, XStream is probably vulnerable.
Company [id=201, companyName=Google, ceoName=Peter, numberOfEmployees=50000]
Converted XML to Object!

company.xml

<com.ram.core.model.Company><id>201</id><companyName>Google</companyName><ceoName>Peter</ceoName><numberOfEmployees>50000</numberOfEmployees></com.ram.core.model.Company>

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

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

Bitbucket Link:
https://bitbucket.org/ramram43210/java_spring_2019/src/2db5cd1f4e7d5ab55ad7af886d6164700143c614/Spring_2019/SpringDemo_Xtream_Integration/?at=master

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