[jboss-user] [JBoss AOP] - How to access intercepted methods in JSF?
1) If there is a return in the intercepted method(call or execution), the interceptor
doesn't work.
Is there anything i am missing?
2) I have an AOP "Project1" with interceptor on a method in a class.
I do not have a problem running the Project1 by itself(unless i use a return in my
intercepted method).
But if a take the Project1 jar(without jboss-aop.xml in the jar) file for
this project along with its jboss-aop.xml(2 files in total)
and drop it in JBoss deploy directory, and try to use the intercepted method of Project1
class
in JSF of "Project2", it doesn't intercept.
Am i deploying correctly?
Project1:
Calltest.java
HelloAOPInterceptor.java
jboss-aop.xml
Project2:
JSF, faces-config.xml and web.xml
(The reason for seperating the jar and jboss-aop.xml(of Project1)
is that i can reference the deploy directory project1.jar in my Project2 library
list to use its classes.If i include the jboss-aop.xml
in the jar itself, then it has to be named as project1.jar.aop(according to JBoss AOP
framework doc chapter 10)
which i cannot add to my library list in Project 2.)
My mbean(faces-config.xml) in project2 looks like this:
| </managed-bean>
| <managed-bean>
| <managed-bean-name>
| callTest
| </managed-bean-name>
| <managed-bean-class>
| jbossaop.callTest
| </managed-bean-class>
| <managed-bean-scope>
| request
| </managed-bean-scope>
| </managed-bean>
|
where i declared callTest class in my jbossaop package( which i got from Project1).
My jsf(jsp) in project 2 looks like:
| <f:view>
| <h:form id="helloForm" >
| <%@ page import="jbossaop.*" %>
| <h2>Hi. My name is Duke. I'm thinking of a number from
| <h:outputText value="#{callTest.callme1}"/> to
| <h:outputText value="#{UserNumberBean.maximum}"/>.
| Can you guess it?
| </h2>
| ............
| </h:form>
| </f:view>
|
UserNumberBean is a bean within Project 2 and callTest is from the aop jar i added to the
library list of Project2.
The callTest.callme1 corresponds to the getCallme1() method in callTest class.
The callTest class in Project1 looks like:
| package jbossaop;
|
| public class callTest {
| private long callme = 1;
| private long callme1 = 2;
| public callTest(){
|
| }
| public void getCallme() {
| //return (this.callme);
| }
| public void setCallme(long callme) {
| this.callme = callme;
| }
|
| public long getCallme1(){
| getCallme();
| return callme1;
| }
| }
|
The interceptor is on getCallme() method and jboss-aop.xml looks like:
| <?xml version="1.0" encoding="UTF-8"
standalone="yes"?>
| <aop>
| <bind pointcut="call(public void
jbossaop.callTest->getCallme())">
| <interceptor class="jbossaop.HelloAOPInterceptor"/>
| </bind>
| <bind pointcut="execution(public void
jbossaop.callTest->getCallme())">
| <interceptor class="jbossaop.HelloAOPInterceptor"/>
| </bind>
| </aop>
|
The interceptor class is:
| public class HelloAOPInterceptor implements Interceptor{
| public String getName(){
| return "HelloAOPInterceptor";
| }
| public Object invoke(Invocation invocation) throws Throwable{
| FileWriter writer = new FileWriter( "c:/temp/log.txt", true );
|
| if (invocation instanceof MethodCalledByMethodInvocation){
| writer.write( "Method Called By Method Invocation " + new
Date() + "\n");
| } else {
| writer.write( "JSF Invocation " + new Date()+
"\n");
| }
|
| writer.close();
|
| return invocation.invokeNext();
| }
| }
|
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