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

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

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

Logical 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;

    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;
    }

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

}

Employee.java

package com.ram.model;

public class Employee
{

    private int id;
    private String name;
    private boolean testAndCondition;
    private boolean testOrCondition;
    private boolean testNotCondition;

    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 boolean isTestAndCondition()
    {
        return testAndCondition;
    }

    public void setTestAndCondition(boolean testAndCondition)
    {
        this.testAndCondition = testAndCondition;
    }

    public boolean isTestOrCondition()
    {
        return testOrCondition;
    }

    public void setTestOrCondition(boolean testOrCondition)
    {
        this.testOrCondition = testOrCondition;
    }

    public boolean isTestNotCondition()
    {
        return testNotCondition;
    }

    public void setTestNotCondition(boolean testNotCondition)
    {
        this.testNotCondition = testNotCondition;
    }

    @Override
    public String toString()
    {
        return "Employee [id=" + id + ", name=" + name + ", testAndCondition="
                + testAndCondition + ", testOrCondition=" + testOrCondition
                + ", testNotCondition=" + testNotCondition + "]";
    }

}

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>
    </bean>

    <bean id="employee" class="com.ram.model.Employee">
        <property name="id" value="100"></property>
        <property name="name" value="Peter"></property>
        <property name="testAndCondition"
            value="#{medicalInsurence.insuredAmount == 15000 and medicalInsurence.insurencePolicyNumber == 10}"></property>
     
        <property name="testOrCondition"
            value="#{medicalInsurence.insuredAmount == 15000 or medicalInsurence.insurencePolicyNumber == 30}"></property>
     
        <property name="testNotCondition" value="#{medicalInsurence.insuredAmount != 15000}"></property>
    </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 13, 2018 9:29:13 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@736e9adb: startup date [Thu Sep 13 09:29:13 IST 2018]; root of context hierarchy
Sep 13, 2018 9:29:13 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
MedicalInsurence [insurencePolicyNumber=10, insuredAmount=15000]

Employee [id=100, name=Peter, testAndCondition=true, testOrCondition=true, testNotCondition=false]

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

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

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

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