Re: [Simple-support] How can I make Simple not to serialize empty ArrayList?

[Niall G. <gal...@ya...>]

You can use a converter, it should be able to remove the tag. The problem here is how do you distinguish null from an empty list. The tag is needed for this in order to do a verbatim serialization/deserialization.
--------------------------------------------
On Fri, 1/8/14, Vojtěch Rýznar <ry...@ce...> wrote:

 Subject: [Simple-support] How can I make Simple not to serialize empty	ArrayList?
 To: sim...@li...
 Received: Friday, 1 August, 2014, 6:26 AM
 
 
   
 
     
 
     
   
   
     
       Good day, I need an advice please. let's say I
 have class
         Person:
       @Root(name="Person")
 public class Person {
 
   @Element(name="Name")
   public String name = "MyName"
 
   @ElementList(name="AddressList", entry="Address", required=false)
   public ArrayList<Address> addressList = new ArrayList<>();
 
 }
       ... and class Address:
       public class Address {
 
   @Element(name="Street")
   public String street;
 
   @Element(name="City")
   public String city;
 }
       When addressList has no items Simple produces this
 XML:
       <Person>
   <Name>MyName</Name>
   <AddressList/>
 </Person>
       Please, how can I make Simple omit tag
 AddressList
         if there are no items on the list? I want the XML
 look like this
         in such case:
       <Person>
   <Name>MyName</Name>
 </Person>
        I don't want to set the addressList to null.
 When I create
         Person object I want the addressList to be
 initialized so that I
         can easily add addresses if needed and I don't
 need to check
         whehter it is null and instantiate it. The example
 above is very
         simple but when my object hierarchy is more
 complicated it is
         unconvenient to check and initialize all lists. I
 hoped I could
         resolve it using some anotation or custom converter
 or something
         like that.
 
       
       Thank you in advance. Vojta
 
       
     
     
       
     
   
 
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