An earlier post (http://marc.theaimsgroup.com/?l=struts-user&m=104445714816028&w=2) suggested getting an updated version of commons-beanutils as a possible solution with nested tags in 1.1b3. I don't know if you are using 1.1b3; if you are, this may help.
Sri > -----Original Message----- > From: Alvarado, Juan (c) [mailto:[EMAIL PROTECTED]] > Sent: Friday, February 07, 2003 12:31 PM > To: Struts Users Mailing List > Subject: Nested tags -- Again > > > I am using an action to prepopulate my action form with the > data it needs. Im my jsp I am using the nested tags to render > the nested elements of the form. > > However when I submit the form, I was getting an exception > having to do with BeanUtils. My work around to that problem > was to add the following method to my form bean and call it > from the constructor: > > public void populateTestUser(){ > System.out.println("Entered populateTestUser()"); > //create three empty objects > for(int i = 0; i < 3; i++){ > TestUser tu = new TestUser(); > testUser.add(tu); > } > } > > As you can see it basically recreates 3 TestUser and adds it > to testUser which is an ArrayList. The number 3 is important > because that is the number of objects that are created in the > action that prepopulates the form. In a real world > application we don't necessarily know the amount of objects > that could be created by a prepopulation action. > > My reset looks like this: > > public void reset( ActionMapping mapping, HttpServletRequest > request ) { > System.out.println("Entered reset method on form bean"); > > if( this.testUser != null ){ > System.out.println("testUser is not null"); > System.out.println("The size of testUser is " + > testUser.size() ); > for(int i = 0; i < testUser.size(); i++){ > List cars = > ((TestUser)testUser.get(i)).getCarsList(); > for( int j = 0; j < cars.size(); j++){ > CarBean car = > (CarBean)cars.get(j); > car.setSelected(false); > } > } > } > else{ > System.out.println("testUser is null"); > } > } > > Can anyone tell me why this won't work without the > populateTestUser method (shown above). I am not always going > to know how many objects could exist in an ArrayList so > therefore I don't feel this is an elegant solution to this problem. > > Thanks in advance > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
