Flex 通过 Spring 和J2EE交互?mx:RemoteObject iduserManagementDataServicedestinationUserManagem
Flex 通过 Spring 和J2EE交互
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<mx:RemoteObject id="userManagementDataService" destination="UserManagementDataService"/>
2、
destination 对应于remote-config.xml中的destination节点
remote-config.xml
<destination id="UserManagementDataService"><properties><factory>mySpring</factory> <source>UserManagementDataService</source></properties></destination>
<factory>mySpring</factory>
就是通过它调用applicationContext.xml 中bean节点的，
<source>UserManagementDataService</source>
对应于bean节点的id
3、
mySpring是自己写的类，在services-config.xml中有相应的配置
<factories><factory id="mySpring" name="code">package springFactory;import org.springframework.beans.BeansException;import org.springframework.beans.factory.NoSuchBeanDefinitionException;import org.springframework.context.ApplicationContext;import org.springframework.web.context.support.WebApplicationContextUtils;import flex.messaging.FactoryInstance;import flex.messaging.FlexFactory;import flex.messaging.config.ConfigMap;import flex.messaging.services.ServiceException;public class SpringFactory implements FlexFactory{ private static final String SOURCE = "source"; public void initialize(String id, ConfigMap configMap) {} public FactoryInstance createFactoryInstance(String id, ConfigMap properties) { SpringFactoryInstance instance = new SpringFactoryInstance(this, id, properties); instance.setSource(properties.getPropertyAsString(SOURCE, instance.getId())); return instance; } public Object lookup(FactoryInstance inst) { SpringFactoryInstance factoryInstance = (SpringFactoryInstance) inst; return factoryInstance.lookup(); } static class SpringFactoryInstance extends FactoryInstance { SpringFactoryInstance(SpringFactory factory, String id, ConfigMap properties) { super(factory, id, properties); } public String toString() { return "SpringFactory instance for id=" + getId() + " source=" + getSource() + " scope=" + getScope(); } public Object lookup() { ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(flex.messaging.FlexContext.getServletConfig().getServletContext()); String beanName = getSource(); try { return appContext.getBean(beanName); } catch (NoSuchBeanDefinitionException nexc) { ServiceException e = new ServiceException(); String msg = "Spring service named '" + beanName + "' does not exist."; e.setMessage(msg); e.setRootCause(nexc); e.setDetails(msg); e.setCode("Server.Processing"); throw e; } catch (BeansException bexc) { ServiceException e = new ServiceException(); String msg = "Unable to create Spring service named '" + beanName + "' "; e.setMessage(msg); e.setRootCause(bexc); e.setDetails(msg); e.setCode("Server.Processing"); throw e; } } }}
5、
在Web.xml中配置 applicationContext.xml的监听
<context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.xml</param-value></context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener>
6、在applicationContext.xml 中配置
<bean id="UserManagementDataService" class="dataService.UserManagementDataService"></bean>
在页面中通过RemoteObject 通过Spring来调用J2EE中的方法了?
