City.java:
package
com.lnn.spel.bpm;
public class City {
private String name = null;
private String state = null;
private long population = 0;
private String area = null;
private String desc = null;
public String
getState() {
return state;
}
public void setState(String
state) {
this.state = state;
}
public long getPopulation()
{
return population;
}
public void setPopulation(long population) {
this.population = population;
}
public String
getName() {
return name;
}
public void setName(String
name) {
this.name = name;
}
public String
getArea() {
return area;
}
public void setArea(String
area) {
this.area = area;
}
public String
getDesc() {
return desc;
}
public void setDesc(String
desc) {
this.desc = desc;
}
}
MyCity.java:
package
com.lnn.spel.bpm;
public class MyCity {
public City city;
public City getCity()
{
return city;
}
public void setCity(City
city) {
this.city = city;
}
private String state;
private String name;
private String area;
private String desc;
public String
getState() {
return state;
}
public void setState(String
state) {
this.state = state;
}
public String
getName() {
return name;
}
public void setName(String
name) {
this.name = name;
}
public String
getArea() {
return area;
}
public void setArea(String
area) {
this.area = area;
}
public String
getDesc() {
return desc;
}
public void setDesc(String
desc) {
this.desc = desc;
}
}
bpm.xml:
<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-3.0.xsd">
<bean id="city"
class = "com.lnn.spel.bpm.City">
<property name="name"
value="#{'San Francisco'}"/>
<property name="state"
value="California"/>
<property name="population"
value="#{1e4}"/>
<property name="area"
value="#{'Embercadero'}"/>
<property name="desc"
value="#{'Embercadero is Great City near San
Francisco.'}"/>
</bean>
<bean id="myCity"
class="com.lnn.spel.bpm.MyCity">
<property name="city"
value="#{city}"/>
<property name="name"
value="#{city.name}"/>
<property name="state"
value="#{city.getState()}"/>
<property name="area"
value="#{city.area?.toUpperCase()}"/>
<property name="desc"
value="#{city.getDesc()?.toLowerCase()}"/>
</bean>
</beans>
Test.java:
package
com.lnn.spel.bpm;
import
org.springframework.context.ApplicationContext;
import
org.springframework.context.support.ClassPathXmlApplicationContext;
public class Test {
public static void main(String[]
args) {
ApplicationContext
context = new ClassPathXmlApplicationContext("bpm.xml");
MyCity
myCity = context.getBean("myCity", MyCity.class);
City
city = myCity.getCity();
System.out.println(myCity.getName());
System.out.println(myCity.getState());
System.out.println(myCity.getArea());
System.out.println(myCity.getDesc());
System.out.println(city.getName());
System.out.println(city.getPopulation());
System.out.println(city.getState());
System.out.println(city.getArea());
System.out.println(city.getDesc());
}
}
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