Wednesday 24 October 2018

Mathematical operators in Spring Expression Language SpEL [XML] | Spring Tutorial


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Mathematical operators in Spring Expression Language SpEL [XML] | Spring Tutorial

Mathematical operators in Spring Expression Language SpEL [XML] | Spring Tutorial

Mathematical operators in Spring Expression Language SpEL [XML] | 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>5.0.5.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>

MedicalInsurence.java

package com.ram.model;

public class MedicalInsurence
{
    private int insurencePolicyNumber;
    private int insuredAmount;
    private int bonusAmount;

    public int getInsurencePolicyNumber()
    {
        return insurencePolicyNumber;
    }

    public void setInsurencePolicyNumber(int insurencePolicyNumber)
    {
        this.insurencePolicyNumber = insurencePolicyNumber;
    }

    public int getInsuredAmount()
    {
        return insuredAmount;
    }

    public void setInsuredAmount(int insuredAmount)
    {
        this.insuredAmount = insuredAmount;
    }

    public int getBonusAmount()
    {
        return bonusAmount;
    }

    public void setBonusAmount(int bonusAmount)
    {
        this.bonusAmount = bonusAmount;
    }

    @Override
    public String toString()
    {
        return "MedicalInsurence [insurencePolicyNumber="
                + insurencePolicyNumber + ", insuredAmount=" + insuredAmount
                + ", bonusAmount=" + bonusAmount + "]";
    }
}

Employee.java

package com.ram.model;

public class Employee
{

    private int id;
    private String name;
    private int testAdd;
    private int testSubtraction;
    private int testMultiplication;
    private int testDivision;
    private int testModulus;
    private long testExponentialPower;

    public int getId()
    {
        return id;
    }

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

    public String getName()
    {
        return name;
    }

    public void setName(String name)
    {
        this.name = name;
    }

    public int getTestAdd()
    {
        return testAdd;
    }

    public void setTestAdd(int testAdd)
    {
        this.testAdd = testAdd;
    }

    public int getTestSubtraction()
    {
        return testSubtraction;
    }

    public void setTestSubtraction(int testSubtraction)
    {
        this.testSubtraction = testSubtraction;
    }

    public int getTestMultiplication()
    {
        return testMultiplication;
    }

    public void setTestMultiplication(int testMultiplication)
    {
        this.testMultiplication = testMultiplication;
    }

    public int getTestDivision()
    {
        return testDivision;
    }

    public void setTestDivision(int testDivision)
    {
        this.testDivision = testDivision;
    }

    public int getTestModulus()
    {
        return testModulus;
    }

    public void setTestModulus(int testModulus)
    {
        this.testModulus = testModulus;
    }

    public long getTestExponentialPower()
    {
        return testExponentialPower;
    }

    public void setTestExponentialPower(long testExponentialPower)
    {
        this.testExponentialPower = testExponentialPower;
    }

    @Override
    public String toString()
    {
        return "Employee [id=" + id + ", name=" + name + ", testAdd=" + testAdd
                + ", testSubtraction=" + testSubtraction
                + ", testMultiplication=" + testMultiplication
                + ", testDivision=" + testDivision + ", testModulus="
                + testModulus + ", testExponentialPower=" + testExponentialPower
                + "]";
    }

}

applicationContext.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-4.3.xsd">


    <bean id="medicalInsurence" class="com.ram.model.MedicalInsurence">
        <property name="insurencePolicyNumber" value="10"></property>
        <property name="insuredAmount" value="15000"></property>
        <property name="bonusAmount" value="2000"></property>
    </bean>

    <bean id="employee" class="com.ram.model.Employee">
        <property name="id" value="100"></property>
        <property name="name" value="Peter"></property>
        <property name="testAdd"
            value="#{medicalInsurence.insuredAmount + medicalInsurence.bonusAmount}" />
        <property name="testSubtraction"
            value="#{medicalInsurence.insuredAmount - medicalInsurence.bonusAmount}" />
        <property name="testMultiplication"
            value="#{medicalInsurence.insuredAmount * medicalInsurence.bonusAmount}" />
        <property name="testDivision"
            value="#{medicalInsurence.insuredAmount / medicalInsurence.bonusAmount}" />
        <property name="testModulus"
            value="#{medicalInsurence.insuredAmount % medicalInsurence.bonusAmount}" />
        <property name="testExponentialPower"
            value="#{medicalInsurence.insuredAmount ^ medicalInsurence.bonusAmount}" />
    </bean>
</beans>

App.java

package com.ram.core;

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

import com.ram.model.Employee;
import com.ram.model.MedicalInsurence;

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

        System.out.println("---------------------------------------");

        MedicalInsurence medicalInsurence = (MedicalInsurence) context
                .getBean("medicalInsurence");
        System.out.println(medicalInsurence+"\n");

        Employee employee = (Employee) context.getBean("employee");
        System.out.println(employee);
    }

}

Output

Sep 14, 2018 9:51:32 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@736e9adb: startup date [Fri Sep 14 09:51:32 IST 2018]; root of context hierarchy
Sep 14, 2018 9:51:32 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
MedicalInsurence [insurencePolicyNumber=10, insuredAmount=15000, bonusAmount=2000]

Employee [id=100, name=Peter, testAdd=17000, testSubtraction=13000, testMultiplication=30000000, testDivision=7, testModulus=1000, testExponentialPower=9223372036854775807]

Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_Spring%20EL_Mathematical_Op_XML.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_Spring%20EL_Mathematical_Op_XML

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/bc57993ee6a8afd4aea41a3f35b305677f5544e1/Spring_2018/SpringDemo_Spring%20EL_Mathematical_Op_XML/?at=master

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