RE: [flexcoders] RemoteObject Issue

[Peter Farland]

Perhaps your SiteKeywordVO is never linked into the SWF because you
never create a dependency on the class name (as mxmlc will optimize and
remove unreferenced class definitions). An import statement is not
enough to create a dependency.
 

-----Original Message-----
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Geoffrey
Sent: Tuesday, April 18, 2006 3:10 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] RemoteObject Issue

I've been trying for the last few days to get RemoteObject to work, but
with little luck.  I've searched this site, and have tried to implement
the examples found in "developing rich clients with macromedia FLEX".
To make matters more confusing, I've also tried to implement the
command/control/delegate patterns that the above book advocates.

Basically, I think the problem is that I'm not "seeing" the Java classes
I've created.  Below are code snippets of (what I think) are the
relevant files.

### My Java classes ###
{TOMCAT-HOME}\webapps\flex\WEB-
INF\classes\com\foo\test\business\SiteMaintenanceDelegate.class
  package com.foo.test.business;
  import com.foo.test.vo.SiteKeywordVO;
  public class SiteMaintenanceDelegate {
        public SiteMaintenanceDelegate() {
        }
        public SiteKeywordVO reviewKeywords() {
                SiteKeywordVO keywords = new SiteKeywordVO();
                return keywords;
        }
  }

{TOMCAT-HOME}\webapps\flex\WEB-
INF\classes\com\foo\test\vo\SiteKeywordVO.class
  package com.foo.test.vo;
  import java.io.Serializable;
  public class SiteKeywordVO implements Serializable {
    public String[] keywords;
        public void SiteKeywordVO() {
        String[] keywords = {"first agr", "second agr", "third agr"};
        }
  }

### My RO definition  ###
{TOMCAT-HOME}\webapps\flex\services\Services.mxml
  <mx:RemoteObject id="siteDataServices"                
        source="com.foo.test.business.SiteMaintenanceDelegate"
        result="event.call.resultHandler(event)"
        fault="event.call.faultHandler(event)"
        showBusyCursor="true">
              <mx:method name="reviewKeywords"/>
  </mx:RemoteObject>

### My ActionScript VO ###
{TOMCAT-HOME}\webapps\flex\sdm\com\foo\test\vo\SiteKeywordVO.as
  class com.foo.test.vo.SiteKeywordVO {
        public var keywords:Array;
        public var _remoteClass;
        public function SiteKeywordVO() {
             _remoteClass="com.foo.test.vo.SiteKeywordVO";
        }
  }

### My testing mxml file ###
{TOMCAT-HOME}\webapps\flex\sdm\sdmUnitTest.mxml
 <?xml version="1.0" encoding="utf-8"?>
 <mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml";
        xmlns:sdm="sdm.*"
        xmlns:services="services.*"
        <sdm:SiteDataMaint/>
        <services:Services id="myServices"/>
</mx:Application>

### My SiteDataMaint component ###
{TOMCAT-HOME}\webapps\flex\sdm\SiteDataMaint.mxml
  ... //just the script part
  <mx:Script>
        <![CDATA[
        import sdm.business.*;
        import sdm.commands.*;
        import sdm.control.*;
        import com.foo.test.vo.*;
        import mx.controls.Alert;
        public function initApp() {
             var controller = new SDMController;
        }
        ]]>
  </mx:Script>
  ...

The SDMController class seems to be working correctly.

### My Delegate class ###
{TOMCAT-HOME}\webapps\flex\sdm\business\SDMDelegate.as
  ... //just the constructor
  public function SDMDelegate(responder:Responder) {
        this.service =
mx.core.Application.application.myServices.siteDataServices;
        Dumper.dump(service);
        this.responder = responder;
  }

I think this is where the problem is.  When I dump 'service' (via Flex
Trace Panel), I get 'undefined'.

I really have no idea where to go from here.  I've tried turning on all
debug stuff, used NetConnectionDebugger, use Flex Trace Panel... 
nothing on all accounts.

Thanks for any suggestions you may have!
Geoff





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