Spring Expression Language – Referencing Static Methods and Members [XML] | Spring Tutorial

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Spring Expression Language – Referencing Static Methods and Members [XML] | Spring Tutorial

Spring Expression Language – Referencing Static Methods and Members [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>

Address.java

package com.ram.model;

public class Address
{
    public static String STATE = "Karnataka";
    public static String COUNTRY = "India";

    public static String getFullAddres()
    {
        return STATE + "," + COUNTRY;
    }
}

Employee.java

package com.ram.model;

public class Employee
{
    private int id;
    private String name;
    private String employeeState;
    private String employeeFullAddress;

    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 String getEmployeeState()
    {
        return employeeState;
    }

    public void setEmployeeState(String employeeState)
    {
        this.employeeState = employeeState;
    }

    public String getEmployeeFullAddress()
    {
        return employeeFullAddress;
    }

    public void setEmployeeFullAddress(String employeeFullAddress)
    {
        this.employeeFullAddress = employeeFullAddress;
    }

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

}

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="employee" class="com.ram.model.Employee">
        <property name="id" value="10"></property>
        <property name="name" value="Peter"></property>
        <property name="employeeState" value="#{T(com.ram.model.Address).STATE}"></property>
        <property name="employeeFullAddress" value="#{T(com.ram.model.Address).getFullAddres()}"></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;

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

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

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

}

Output

Sep 25, 2018 10:13:30 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@736e9adb: startup date [Tue Sep 25 22:13:30 IST 2018]; root of context hierarchy
Sep 25, 2018 10:13:31 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
Employee [id=10, name=Peter, employeeState=Karnataka, employeeFullAddress=Karnataka,India]

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

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

Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/41b19a6ea5ff82d0f409d467c69dd68cdbbf4a93/Spring_2018/SpringDemo_access_static_XML/?at=master

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