Re: [Simple-support] Element with both attributes and text body?

[Arne C. <arn...@cl...>]

Niall,

That's correct. The XmlText Attribute cannot handle text with 
interspursed with other elements, just elements with attributes and a 
simple text blob. I guees once you are looking at the below XML, you're 
really considering mark-up and not a data-format as such.

BTW, I just noticed that Simple will throw an exception if it encounters 
an attribute or element it doesn't know. Is there a way to defeat this 
behavior? I know it goes against typesafe data, but being able to ignore 
unknown elements makes the serializer more robust, in case you are 
ingesting someone else's XML. I.e. an addition in their output doesn't 
break your ingestions, it just means some data is lost.

cheers,
arne

Niall Gallagher wrote:

>Hi,
>
>Seems like a nice way to do it. However I assume that such an annotation could not be used with elements? For instance:
>
><root>
>   <element attr="a">
>      Text
>      <element2>
>         Text
>      </element>
>      Text
>   </element>
></root>
>
>
>For the above what would the text be? I think Ill probably implement the @Text annotation with the restriction that it can not be used with elements, and only one @Text annotation per class. So the only possible structure would be:
>
><element attr1="1" attrn="n"> Text</element>
> 
>Is this how .NET handles it?
>
>Niall Gallagher
>
>----- Original Message ----
>From: Arne Claassen <arn...@cl...>
>To: Niall Gallagher <gal...@ya...>
>Sent: Friday, March 30, 2007 8:20:43 AM
>Subject: Re: [Simple-support] Element with both attributes and text body?
>
>Niall,
>
>The way .NET handles it, is with an Attribute (i.e. Annotation) called 
>XmlTextAttribute like this:
>
>[XmlText()]
>public string text
>
>So an annotation equivalent could be
>
>@Text()
>private String text;
>
>The catch with this Annotation is that it can only be used once in any 
>class.
>
>cheers,
>arne
>
>Niall Gallagher wrote:
>
>  
>
>>Hi Arne,
>>
>>Well this is something I was considering, however this comes down to a
>>serialization versus deserialization issue. It would be simple to
>>deserialize such a structure. For instance: 
>>
>>
>>
>>@Root(name="myelement") 
>>
>>public class MyObject { 
>>
>>
>>   @Attribute(name="someAttribute") 
>>   private String someAttribute; 
>>
>>
>>  
>>  private String text; 
>>
>>
>>  
>>  public MyObject(String text) { 
>>     
>>     this.text = text; 
>>  
>>  } 
>>
>>} 
>>
>>
>>
>>The difficulty is in serialization, how could the decision be made to
>>serialize? I guess an additional annotation or interface telling the
>>framework what action to take could be done? Currently though I have
>>decided not to add support for this, at least until I can think of a
>>decent way to implement it. 
>>
>>Suggestions are welcome on how to approach this.
>>
>>
>>
>>Niall
>>           
>>
>>----- Original Message ----
>>From: Arne Claassen <arn...@cl...>
>>To: sim...@li...
>>Sent: Wednesday, March 28, 2007 8:34:48 AM
>>Subject: [Simple-support] Element with both attributes and text body?
>>
>>I just found Simple today. Excellent work on the project. Nice, simple, 
>>small. I usually work in C#, so Simple's syntax is very comfortable to 
>>me compared to .NET's attribute driven mark-up.
>>
>>Of course, I've already hit a stumbling block. Is there a way to define 
>>a class that has both Attributes and body text for an Element? I.e. I'm 
>>trying to create a class to represent:
>>
>><?xml version="1.0" encoding="UTF-8"?>
>><message guid="ABDB9C3E-31B5-09B5-6E0F-5BC5F86BF5C7" type="default" 
>>utime="1175098850078">
>> payload
>></message>
>>
>>The closest I've figured out is:
>>
>><?xml version="1.0" encoding="UTF-8"?>
>><message guid="ABDB9C3E-31B5-09B5-6E0F-5BC5F86BF5C7" type="default" 
>>utime="1175098850078">
>> <data>payload</data>
>></message>
>>
>>
>>thanks,
>>arne
>>
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