It shouldn't have any issues, but try it with IE if you can and see if it works.


On Fri, 18 Mar 2005 19:39:16 +0000, Kostas Karadamoglou
<[EMAIL PROTECTED]> wrote:
> Firefox
> 
> Heath Borders wrote:
> 
> >I've done all kinds of things with converters, and I've never had a
> >problem.  I don't think its a myfaces problem, but its possible.  What
> >browser are you using?
> >
> >
> >On Fri, 18 Mar 2005 18:48:34 +0000, Kostas Karadamoglou
> ><[EMAIL PROTECTED]> wrote:
> >
> >
> >>Have you ever tried to create a converter and use it with myfaces
> >>implementation succesfully.
> >>
> >>Do you believe that it is problem of myfaces?
> >>
> >>
> >>Heath Borders wrote:
> >>
> >>
> >>
> >>>Yeah, I didn't think that would do anything, but I figured it was worth a 
> >>>shot.
> >>>
> >>>Like I said, it seems like nothing is coming back on the request.
> >>>Start debugging through the renderer's decode method.
> >>>
> >>>
> >>>On Fri, 18 Mar 2005 18:24:28 +0000, Kostas Karadamoglou
> >>><[EMAIL PROTECTED]> wrote:
> >>>
> >>>
> >>>
> >>>
> >>>>No! the same problem, nothing changed.
> >>>>I am so desperate :(
> >>>>
> >>>>Heath Borders wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>Do this:
> >>>>>
> >>>>>private Converter myConverter = new MyConverter();
> >>>>>
> >>>>>public Converter getMyConverter()
> >>>>>{
> >>>>>return myConverter;
> >>>>>}
> >>>>>
> >>>>>then, converter="#{myBean.myConverter}" in your jsp.
> >>>>>
> >>>>>
> >>>>>On Fri, 18 Mar 2005 18:13:51 +0000, Kostas Karadamoglou
> >>>>><[EMAIL PROTECTED]> wrote:
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>How? I didn't understand it. Can you please give me an example?
> >>>>>>Heath Borders wrote:
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>>Here's another option.  Rather than making the converter a faces
> >>>>>>>managed bean, you can make it an instance variable of yoru event
> >>>>>>>handler.  Try that and see if it works better.
> >>>>>>>
> >>>>>>>
> >>>>>>>On Fri, 18 Mar 2005 17:30:41 +0000, Kostas Karadamoglou
> >>>>>>><[EMAIL PROTECTED]> wrote:
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>>Couldn't it be consindered as a bug?
> >>>>>>>>Does anyone eles have the same problem?
> >>>>>>>>
> >>>>>>>>Heath Borders wrote:
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>oh.  Sorry I misunderstood your first email.
> >>>>>>>>>
> >>>>>>>>>That means that there's something wrong with the selectOneMenu or 
> >>>>>>>>>something.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>On Fri, 18 Mar 2005 16:22:42 +0000, Kostas Karadamoglou
> >>>>>>>>><[EMAIL PROTECTED]> wrote:
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>>Yes but how can JSF call the getAsObject method of the converter 
> >>>>>>>>>>with
> >>>>>>>>>>the str parameter equals to null !!!
> >>>>>>>>>>
> >>>>>>>>>>I checked the generated code and the all the option tags in the drop
> >>>>>>>>>>down menu have a value ("1","2","3","4","5" and so on)
> >>>>>>>>>>So how jsf returns a null string? thats the problem. :(
> >>>>>>>>>>Heath Borders wrote:
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>>No, you don't want to do that.  Otherwise, the category object will
> >>>>>>>>>>>not be properly set in his setter.  The problem is definitely with
> >>>>>>>>>>>your converter.  My guess is that its getting re-created between
> >>>>>>>>>>>requests, and thus the map is getting cleared.  I couldn't tell you
> >>>>>>>>>>>why that's happening, though.
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>On Fri, 18 Mar 2005 11:05:23 -0500, Srikanth Madarapu
> >>>>>>>>>>><[EMAIL PROTECTED]> wrote:
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>>Can you try
> >>>>>>>>>>>>
> >>>>>>>>>>>>this.allCategories.add(new SelectItem(category.getId(),  
> >>>>>>>>>>>>category.getTitle()));
> >>>>>>>>>>>>
> >>>>>>>>>>>>The getId() method should return the same value as returned by 
> >>>>>>>>>>>>getAsString(). I think there is some problem...
> >>>>>>>>>>>>
> >>>>>>>>>>>>Srikanth
> >>>>>>>>>>>>
> >>>>>>>>>>>>-----Original Message-----
> >>>>>>>>>>>>From: Kostas Karadamoglou [mailto:[EMAIL PROTECTED]
> >>>>>>>>>>>>Sent: Friday, March 18, 2005 10:56 AM
> >>>>>>>>>>>>To: MyFaces Discussion
> >>>>>>>>>>>>Subject: Re: Problem with the getAsObject of a Converter
> >>>>>>>>>>>>
> >>>>>>>>>>>>Hi, I attached the getter of allcategories, as you can see I 
> >>>>>>>>>>>>return a
> >>>>>>>>>>>>list of selectItem objects
> >>>>>>>>>>>>
> >>>>>>>>>>>>public List getAllCategories(){
> >>>>>>>>>>>>  if(this.allCategories==null){
> >>>>>>>>>>>>      this.allCategories=new ArrayList();
> >>>>>>>>>>>>      this.allCategories.add(new SelectItem(new Category(),"Choose
> >>>>>>>>>>>>a category..."));
> >>>>>>>>>>>>      List categories=this.eventRegistry.getCategories();
> >>>>>>>>>>>>      for(Iterator iter=categories.iterator(); iter.hasNext();){
> >>>>>>>>>>>>          Category category=(Category)iter.next();
> >>>>>>>>>>>>          this.allCategories.add(new SelectItem(category,
> >>>>>>>>>>>>category.getTitle()));
> >>>>>>>>>>>>      }
> >>>>>>>>>>>>  }
> >>>>>>>>>>>>  return this.allCategories;
> >>>>>>>>>>>>}
> >>>>>>>>>>>>
> >>>>>>>>>>>>Srikanth Madarapu wrote:
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>>What is the return type of allCategories ?
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>The list coming from allCategories should be a list of 
> >>>>>>>>>>>>>"SelectItem" objects, I think in yours case its just a list of 
> >>>>>>>>>>>>>Strings
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>-Srikanth
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>-----Original Message-----
> >>>>>>>>>>>>>From: Kostas Karadamoglou [mailto:[EMAIL PROTECTED]
> >>>>>>>>>>>>>Sent: Friday, March 18, 2005 9:17 AM
> >>>>>>>>>>>>>To: [email protected]
> >>>>>>>>>>>>>Subject: Problem with the getAsObject of a Converter
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>Hi again!!!
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>I have another problem now, Very strange Can you suggest me a 
> >>>>>>>>>>>>>solution?
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>I created a converter for objects of type Category in order to 
> >>>>>>>>>>>>>display
> >>>>>>>>>>>>>some Category beans in a selectOneMenu tag.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>I have debuged the application and I noticed a strange behaviour 
> >>>>>>>>>>>>>of JSF
> >>>>>>>>>>>>>which I cannot understand.
> >>>>>>>>>>>>>Below I have the sequence explanation of the problem and the 
> >>>>>>>>>>>>>content of
> >>>>>>>>>>>>>each method and jsp fragment.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>1)The getAsString method works perfectly and returns the 
> >>>>>>>>>>>>>following
> >>>>>>>>>>>>>strings "0","1","2","3","4","5","6","7"
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>2)The page is displayed properly, and I choose from the drop 
> >>>>>>>>>>>>>down menu a
> >>>>>>>>>>>>>category.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>2)Afterwords JSF invokes getAsObject (I think for the chosen 
> >>>>>>>>>>>>>option)
> >>>>>>>>>>>>>with the str parameter null !!!!!!!
> >>>>>>>>>>>>>In this situation I return a null object (which is wrong).
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>4)After that  when the page is redisplayed the getAsString throw 
> >>>>>>>>>>>>>an
> >>>>>>>>>>>>>Exception because of the null value
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>JSP-------------------------------------------------------
> >>>>>>>>>>>>><h:selectOneMenu id="selectCategory"
> >>>>>>>>>>>>>converter="#{categoryConverter}" 
> >>>>>>>>>>>>>value="#{eventHandler.selectedCategory}">
> >>>>>>>>>>>>>  <f:selectItems id="allCategories"
> >>>>>>>>>>>>>value="#{eventHandler.allCategories}"/>
> >>>>>>>>>>>>></h:selectOneMenu>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>getAsString------------------------------------------------
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>public String getAsString(FacesContext facesContext, UIComponent
> >>>>>>>>>>>>>uIComponent, Object obj) throws ConverterException {
> >>>>>>>>>>>>>  String retValue=null;
> >>>>>>>>>>>>>  if(obj==null)
> >>>>>>>>>>>>>      throw new ConverterException("not null object of type
> >>>>>>>>>>>>>Category expected");
> >>>>>>>>>>>>>  else if(obj instanceof Category){
> >>>>>>>>>>>>>      Category category=(Category)obj;
> >>>>>>>>>>>>>      map.put(new Integer(category.getId()), category);
> >>>>>>>>>>>>>      retValue=String.valueOf(category.getId());
> >>>>>>>>>>>>>  }else{
> >>>>>>>>>>>>>      throw new ConverterException("object of type Category
> >>>>>>>>>>>>>expected received: 
> >>>>>>>>>>>>>"+obj.getClass().getName()+"="+obj.toString());
> >>>>>>>>>>>>>  }
> >>>>>>>>>>>>>  return retValue;
> >>>>>>>>>>>>>}
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>getAsObject------------------------------------------------
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>public Object getAsObject(FacesContext facesContext, UIComponent
> >>>>>>>>>>>>>uIComponent, String str) throws ConverterException {
> >>>>>>>>>>>>>  Category retValue=null;
> >>>>>>>>>>>>>  if(str!=null){
> >>>>>>>>>>>>>      try{
> >>>>>>>>>>>>>          System.out.println(str);
> >>>>>>>>>>>>>          Integer id=Integer.valueOf(str);
> >>>>>>>>>>>>>          retValue=(Category)map.get(id);
> >>>>>>>>>>>>>      }catch(Exception ex){
> >>>>>>>>>>>>>          throw new ConverterException("a number formatted string
> >>>>>>>>>>>>>expected");
> >>>>>>>>>>>>>      }
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>  }else{
> >>>>>>>>>>>>>      //throw new ConverterException("a not null string 
> >>>>>>>>>>>>> expected");
> >>>>>>>>>>>>>      return null;
> >>>>>>>>>>>>>  }
> >>>>>>>>>>>>>  return retValue;
> >>>>>>>>>>>>>}
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >
> >
> >
> >
> 
> 


-- 
-Heath Borders-Wing
[EMAIL PROTECTED]

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