Re: [Simple-support] ElementMap with unknown child elements

[Max S. <ma...@se...>]

Hi again,

I checked my other idea, but it doesn't work, since you don't know the
element names in advance. So this seems to be the only way to do what
you need.

Regards
Max Senft
schrieb Max Senft:
> Hi,
>
> I repost to the mailing list, so everybody gets the result. What you
> need - at least it works - is a Converter for your Parent class:
> public class ParentConverter implements Converter<Parent> {
>     @Override
>     public Parent read(InputNode arg0) throws Exception {
>         Parent newParent = new Parent();
>
>         InputNode curNode;
>         while ((curNode = arg0.getNext()) != null) {
>             newParent.children.put(curNode.getName(), curNode.getValue());
>         }
>
>         return newParent;
>     }
>
>     @Override
>     public void write(OutputNode arg0, Parent arg1) throws Exception {
>         for (Entry<String, String> curEntry : arg1.children.entrySet()) {
>             OutputNode newNode = arg0.getChild(curEntry.getKey());
>             newNode.setValue(curEntry.getValue());
>             newNode.commit();
>         }
>     }
> }
> So that this will be used to serialize/deserialize your Parent object,
> you need to do the following (actually add the
> "@Convert(ParentConverter.class)" annotation):
> @Convert(ParentConverter.class)
> public class Parent {
>     public HashMap<String,String> children = new HashMap<>();
> }
> Simple will only use the Convert annotation, if you create your
> Persister object by passing an AnnotationStrategy:
> Strategy strategy = new AnnotationStrategy();
> Serializer serializer = new Persister(strategy);
> But attention: Using this converter will ignore any other annotations
> you did in your class, so you actually have to implement the full
> reading and writing in the converter!
>
> I just got another idea. Let me check this ...
>
> Best regards
> Max
> -------- Original-Nachricht --------
> Betreff: Re: [Simple-support] ElementMap with unknown child elements
> Von: Alex Boyd <ale...@ou...>
> An: Max Senft <ma...@se...>
> Datum: 12.03.2013 20:00
>> Yup that is exactly what I want.
>>
>> I think it is possible, but I haven't been able to get the behavior I
>> want.
>>
>> Alex Boyd
>>
>> ------------------------------------------------------------------------
>> Date: Tue, 12 Mar 2013 19:45:53 +0100
>> From: ma...@se...
>> To: sim...@li...
>> Subject: Re: [Simple-support] ElementMap with unknown child elements
>>
>> Hi Alex,
>>
>> I'm not quite sure if I understood your problem: You need the element
>> <Child1>Value1</Child1> to be inserted into the HashMap with "Child1"
>> as key and "Value1" as value?
>>
>> Best regards
>> Max
>>
>>
>> schrieb Alex Boyd:
>>
>>     Hey All,
>>
>>     Given the XML :
>>
>>     <Parent>
>>
>>         <Child1>Value1</Child1>
>>
>>         <Child2>Value2</Child2>
>>
>>         <Child3>Value3</Child3>
>>
>>     </Parent>
>>
>>     How would I serialize / deserialize so that I have a Java Object like below.  I don't know the name of the child elements, I just want to get key-value pairs from the children, with key being the element name, and value being the text element inside the xml.
>>
>>     class Parent
>>
>>     {
>>
>>         public HashMap<String,String> children;
>>
>>     }
>>
>>     I have tried multiple different combinations of ElementMap and ElementList but couldn't seem to get it to work the way I wanted.
>>
>>     Thanks in advance,
>>
>>     Alex Boyd
>>
>>
>>
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>>
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>
>
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