在Spring中配置Collection

王朝other·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

///////////////////////////////////////////////////////////////////////////////////////

//File: beans.XML

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

<!-- Oracle bean used for a few examples -->

<bean id="oracle" name="wiseworm" class="BookwormOracle"/>

<!-- collection injection samples -->

<bean id="injectCollection" class="CollectionInjection">

<property name="map">

<map>

<entry key="someValue">

<value>Hello World!</value>

</entry>

<entry key="someBean">

<ref local="oracle"/>

</entry>

</map>

</property>

<property name="props">

<props>

<prop key="firstName"> Rob </prop>

<prop key="secondName"> Harrop </prop>

</props>

</property>

<property name="set">

<set>

<value>Hello World!</value>

<ref local="oracle"/>

</set>

</property>

<property name="list">

<list>

<value>Hello World!</value>

<ref local="oracle"/>

</list>

</property>

</bean>

</beans>

///////////////////////////////////////////////////////////////////////////////////////

public interface Oracle {

public String defineMeaningOfLife();

}

///////////////////////////////////////////////////////////////////////////////////////

public class Encyclopedia {

}

///////////////////////////////////////////////////////////////////////////////////////

public class BookwormOracle implements Oracle {

private Encyclopedia enc;

public void setEncyclopedia(Encyclopedia enc) {

this.enc = enc;

}

public String defineMeaningOfLife() {

return "Encyclopedia's are a waste of money - use the Internet";

}

}

///////////////////////////////////////////////////////////////////////////////////////

import Java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Properties;

import java.util.Set;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.xml.XmlBeanFactory;

import org.springframework.core.io.FileSystemResource;

public class CollectionInjection {

private Map map;

private Properties props;

private Set set;

private List list;

public static void main(String[] args) {

BeanFactory factory = new XmlBeanFactory(new FileSystemResource(

"build/beans.xml"));

CollectionInjection instance = (CollectionInjection) factory.getBean("injectCollection");

instance.displayInfo();

}

public void setList(List list) {

this.list = list;

}

public void setSet(Set set) {

this.set = set;

}

public void setMap(Map map) {

this.map = map;

}

public void setProps(Properties props) {

this.props = props;

}

public void displayInfo() {

// display the Map

Iterator i = map.keySet().iterator();

System.out.println("Map contents:\n");

while (i.hasNext()) {

Object key = i.next();

System.out.println("Key: " + key + " - Value: " + map.get(key));

}

// display the properties

i = props.keySet().iterator();

System.out.println("\nProperties contents:\n");

while (i.hasNext()) {

String key = i.next().toString();

System.out.println("Key: " + key + " - Value: "

+ props.getProperty(key));

}

// display the set

i = set.iterator();

System.out.println("\nSet contents:\n");

while (i.hasNext()) {

System.out.println("Value: " + i.next());

}

// display the list

i = list.iterator();

System.out.println("\nList contents:\n");

while (i.hasNext()) {

System.out.println("Value: " + i.next());

}

}

}

(出处:http://www.knowsky.com)

 
 
 
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