SPEL : Accessing List

City.java:

package com.lnn.script.spel;

public class City {

      private String name = null;

      private String state = null;

      private long population = 0;

      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;

      }

}

MyCity.java:

package com.lnn.script.spel;

public class MyCity {

      public City city;

      public City getCity() {

            return city;

      }

      public void setCity(City city) {

            this.city = city;

      }

}

cities.xml:

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

      xmlns:p="http://www.springframework.org/schema/p"

      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

      xmlns:util="http://www.springframework.org/schema/util"

      xsi:schemaLocation="  

      http://www.springframework.org/schema/beans

      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

      http://www.springframework.org/schema/util

      http://www.springframework.org/schema/util/spring-util-3.0.xsd">

      <util:list id = "cities">

            <bean class="com.lnn.script.spel.City" p:name="Chicago"

                  p:state="IL" p:population="2853114" />

            <bean class="com.lnn.script.spel.City" p:name="Atlanta"

                  p:state="GA" p:population="537958" />

            <bean class="com.lnn.script.spel.City" p:name="Dallas"

                  p:state="TX" p:population="1279910" />

            <bean class="com.lnn.script.spel.City" p:name="Houston"

                  p:state="TX" p:population="2242193" />

            <bean class="com.lnn.script.spel.City" p:name="Odessa"

                  p:state="TX" p:population="90943" />

            <bean class="com.lnn.script.spel.City" p:name="ElPaso"

                  p:state="TX" p:population="613190" />

            <bean class="com.lnn.script.spel.City" p:name="Jal" p:state="NM"

                  p:population="1996" />

            <bean class="com.lnn.script.spel.City" p:name="LasCruces"

                  p:state="NM" p:population="91865" />

      </util:list>

      <bean id="myCityRandon" class="com.lnn.script.spel.MyCity">

            <property name="city" value="#{cities[T(java.lang.Math).random()*cities.size()]}"/>

      </bean>

      <bean id="myCitySelected" class="com.lnn.script.spel.MyCity">

            <property name="city" value="#{cities[2]}"/>

      </bean>

</beans>

Test.java:

package com.lnn.script.spel;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test {

      public static void main(String[] args) {

            ApplicationContext context = new ClassPathXmlApplicationContext("cities.xml");

            MyCity city = (MyCity) context.getBean("myCityRandon");

            System.out.println(city.getCity().getName());

            city = (MyCity) context.getBean("myCitySelected");

            System.out.println(city.getCity().getName());

      }

}