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| Bean reference example using spring expression language(XML) | Spring Tutorial |
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| Bean reference example using spring expression language(XML) | Spring Tutorial |
<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>
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
{
private String street;
private String city;
private String state;
public String getStreet()
{
return street;
}
public void setStreet(String street)
{
this.street = street;
}
public String getCity()
{
return city;
}
public void setCity(String city)
{
this.city = city;
}
public String getState()
{
return state;
}
public void setState(String state)
{
this.state = state;
}
public String getFullAddress()
{
return street + "," + city + "," + state;
}
@Override
public String toString()
{
return "Address [street=" + street + ", city=" + city + ", state="
+ state + "]";
}
}
public class Address
{
private String street;
private String city;
private String state;
public String getStreet()
{
return street;
}
public void setStreet(String street)
{
this.street = street;
}
public String getCity()
{
return city;
}
public void setCity(String city)
{
this.city = city;
}
public String getState()
{
return state;
}
public void setState(String state)
{
this.state = state;
}
public String getFullAddress()
{
return street + "," + city + "," + state;
}
@Override
public String toString()
{
return "Address [street=" + street + ", city=" + city + ", state="
+ state + "]";
}
}
Employee.java
package com.ram.model;
public class Employee
{
private int id;
private String name;
private Address address;
private String employeeState;
private String fullAddress;
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 Address getAddress()
{
return address;
}
public void setAddress(Address address)
{
this.address = address;
}
public String getEmployeeState()
{
return employeeState;
}
public void setEmployeeState(String employeeState)
{
this.employeeState = employeeState;
}
public String getFullAddress()
{
return fullAddress;
}
public void setFullAddress(String fullAddress)
{
this.fullAddress = fullAddress;
}
@Override
public String toString()
{
return "Employee [id=" + id + ", name=" + name + ", employeeState="
+ employeeState + ", fullAddress=" + fullAddress + ", address="
+ address + "]";
}
}
public class Employee
{
private int id;
private String name;
private Address address;
private String employeeState;
private String fullAddress;
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 Address getAddress()
{
return address;
}
public void setAddress(Address address)
{
this.address = address;
}
public String getEmployeeState()
{
return employeeState;
}
public void setEmployeeState(String employeeState)
{
this.employeeState = employeeState;
}
public String getFullAddress()
{
return fullAddress;
}
public void setFullAddress(String fullAddress)
{
this.fullAddress = fullAddress;
}
@Override
public String toString()
{
return "Employee [id=" + id + ", name=" + name + ", employeeState="
+ employeeState + ", fullAddress=" + fullAddress + ", address="
+ address + "]";
}
}
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="address" class="com.ram.model.Address">
<property name="street" value="A220 Bridge Appartment"></property>
<property name="city" value="Chennai"></property>
<property name="state" value="TamilNadu"></property>
</bean>
<bean id="employee" class="com.ram.model.Employee">
<property name="id" value="100"></property>
<property name="name" value="Peter"></property>
<property name="address" value="#{address}"></property>
<property name="employeeState" value="#{address.state}"></property>
<property name="fullAddress" value="#{address.getFullAddress()}"></property>
</bean>
</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="address" class="com.ram.model.Address">
<property name="street" value="A220 Bridge Appartment"></property>
<property name="city" value="Chennai"></property>
<property name="state" value="TamilNadu"></property>
</bean>
<bean id="employee" class="com.ram.model.Employee">
<property name="id" value="100"></property>
<property name="name" value="Peter"></property>
<property name="address" value="#{address}"></property>
<property name="employeeState" value="#{address.state}"></property>
<property name="fullAddress" value="#{address.getFullAddress()}"></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(
"Got employee object from the ApplicationContext(Spring Container)");
System.out.println(employee);
}
}
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(
"Got employee object from the ApplicationContext(Spring Container)");
System.out.println(employee);
}
}
Output
Sep 01, 2018 8:07:16 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@736e9adb: startup date [Sat Sep 01 08:07:16 IST 2018]; root of context hierarchy
Sep 01, 2018 8:07:16 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
Got employee object from the ApplicationContext(Spring Container)
Employee [id=100, name=Peter, employeeState=TamilNadu, fullAddress=A220 Bridge Appartment,Chennai,TamilNadu, address=Address [street=A220 Bridge Appartment, city=Chennai, state=TamilNadu]]
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@736e9adb: startup date [Sat Sep 01 08:07:16 IST 2018]; root of context hierarchy
Sep 01, 2018 8:07:16 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [applicationContext.xml]
---------------------------------------
Got employee object from the ApplicationContext(Spring Container)
Employee [id=100, name=Peter, employeeState=TamilNadu, fullAddress=A220 Bridge Appartment,Chennai,TamilNadu, address=Address [street=A220 Bridge Appartment, city=Chennai, state=TamilNadu]]
Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/SpringDemo_Spring_EL_Bean_Ref.rar?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/javaee/tree/master/Spring_2018/SpringDemo_Spring_EL_Bean_Ref
Bitbucket Link:
https://bitbucket.org/ramram43210/spring/src/02e04aa1b68a77d4f5a01ebf111e80370bd99ca8/Spring_2018/SpringDemo_Spring_EL_Bean_Ref/?at=master
See also:
