Hi All,

I think I know what is the trouble but am still not sure why is this a
problem for Struts 2.0. I hope someone from the Struts community can help to
shed some light.

The problem is when I use
"org.springframework.aop.framework.ProxyFactoryBean" to AOP the Action
class. Once I remove the AOP piece such as the following, everything work
just fine:

<!--<bean id="Menu"
class="org.springframework.aop.framework.ProxyFactoryBean">
   <property name="proxyInterfaces">
     <value>example.IMenu</value>
   </property>
   <property name="interceptorNames">
     <list>
       <value>timeLoggingAdvisor</value>
     </list>
   </property>
   <property name="target">
     <ref local="MenuTarget"/>
   </property>
 </bean>
 
 <bean id="MenuTarget" class="example.Menu" singleton="false"/>-->
 
 <bean id="Menu" class="example.Menu" singleton="false"/>

Any help is appreciated!

Thanks,
Lee


Shih Lee wrote:
>
> Hi All,
>
> I have been playing with Struts 2.0 sample application, struts-blank, and
> integrates it with Spring 2.x. So far, I have not been having great
> success
> with it.
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> I have followed all the steps needed to integrate Struts 2.0 with Spring
> 2.0.
> Here is what I have done so far:
>
> 1) Included struts2-spring-plugin-2.0.6.jar, spring.jar,
> struts2-core-2.0.6.jar and the dependent jars.
>
> 2) Modified the example.xml to include spring object factory:
>
>   <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts
> Configuration 2.0//EN"
>      "http://struts.apache.org/dtds/struts-2.0.dtd">
>
>   <struts>
>
>     <constant name="struts.objectFactory" value="spring" />
>     <package name="example" namespace="/example"
> extends="struts-default">
>
>     <default-interceptor-ref name="defaultStack"/>
>
>      <action name="helloWorld" class="helloWorld">
>         <result>/example/HelloWorld.jsp</result>
>      </action>
>
>      <action name="Login_*" method="{1}" class="example.Login">
>         <result name="input">/example/Login.jsp</result>
>         <result type="redirect-action">Menu</result>
>      </action>
>
>      <action name="Menu" class="Menu">
>         <result>/example/Menu.jsp</result>
>      </action>
>
>      <action name="*" class="example.ExampleSupport">
>         <result>/example/{1}.jsp</result>
>      </action>
>
>      <!-- Add actions here -->
>   </package>
>
> </struts>
>
> 3) I have edited the spring applicationContext.xml
>
>  <?xml version="1.0" encoding="UTF-8"?>
>
>  <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "
> http://www.springframework.org/dtd/spring-beans.dtd">
>
>  <beans default-autowire="autodetect">
>
>     <!-- =============================== Interceptors
> ================================= -->
>
>     <bean id="timeLoggingAdvice" class="advice.TimeLoggingInterceptor"/>
>
>     <!-- =============================== Advisor
> ====================================== -->
>
>     <bean id="timeLoggingAdvisor" class="
> org.springframework.aop.support.NameMatchMethodPointcutAdvisor">
>
>         <property name="mappedNames">
>           <list>
>             <value>execute</value>
>           </list>
>         </property>
>         <property name="advice">
>             <ref bean="timeLoggingAdvice"/>
>         </property>
>     </bean>
>
>     <!-- ============================== Spring Beans
> ================================= -->
>
>     <bean id="helloWorld" class="example.HelloWorld" singleton="false"/>
>
>     <bean id="Menu" class="
> org.springframework.aop.framework.ProxyFactoryBean">
>
>         <property name="proxyInterfaces">
>             <value>example.IMenu</value>
>         </property>
>
>        <property name="interceptorNames">
>             <list>
>                 <value>timeLoggingAdvisor</value>
>             </list>
>         </property>
>         <property name="target">
>             <ref local="MenuTarget"/>
>         </property>
>     </bean>
>
>
>     <bean id="MenuTarget" class="example.Menu" singleton="false"/>
> </beans>
>
> 4) Implemented ModelDriven, Preparable and SessionAware interfaces in
> Menu.java:
>
> package example;
> import java.util.Map;
> import org.apache.struts2.interceptor.SessionAware;
> import com.opensymphony.xwork2.ModelDriven;
> import com.opensymphony.xwork2.Preparable;
>
> /**
>
> * <code>Set welcome message.</code>
>
> */
>
> public class Menu extends ExampleSupport implements IMenu, ModelDriven,
> Preparable, SessionAware {
>
>         private Map _session;
>
>         private User user;
>
>   public String execute() throws Exception {
>
>      return SUCCESS;
>
>   }
>
>         public Object getModel() {
>                 return user;
>         }
>
>         public void prepare() throws Exception {
>                 if (getSession().get("user") != null) {
>                         user = (User)
> getSession().get("user");
>                 } else {
>                         user = new User();
>                 }
>         }
>
>
>         public void setSession(Map session) {
>                 _session = session;
>         }
>
>
>         public Map getSession() {
>                 return _session;
>         }
> }
>
> When I let Spring manages the creation of objects, the methods for the
> implemented interfaces such as getModel() and prepare() are not invoked.
> If
> I change the class="Menu" to class="example.Menu", the interfaces methods
> were invoked since I am not letting spring manages object creation.
>
> Could someone let me know what I may have done wrong? How can I use Spring
> and Struts at the same time without losing either functionality?
>
> Any help is greatly appreciated.
>
> Thanks!
>
> Lee
>
>

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