Hi,

You define LinkedHashMap as java.util.map and LinkedList as collection in your mapping file. Then it will get marshalled.

While unmarshalling it will return map and collection, typecast into  LinkedHashMap and LinkedList respectively.

 

Regards

Alok Kumar

 


From: Xinjun Chen [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 29, 2005 11:04 AM
To: [email protected]
Subject: Re: [castor-user] Defining a Hashtable in the XML mapping

 

Hi Roland,

 

I have the same problem of marshalling and unmarshalling Hashtable, have you successfully done it?

 

 

Regards,

Xinjun

 

On 12/23/05, Ralf Joachim <[EMAIL PROTECTED]> wrote:

Hi Roland,

I'm not one of the Castor XML experts but as far as I know this should
be possible. I would suggest you to start with marshalling a sample
object first without mapping and then by using a mapping that you modify
step by step until your xml document looks like you want it to. I would
expect the unmarshalling of this document to work also with the same
mapping then.

Having said that I guess your mapping should not be to far away of what
it should be.

Regards
Ralf
Castor JDO, committer


[EMAIL PROTECTED] schrieb:
> Hi all,
>
> I want to use Castor XML to fill a Hashtable in my class from an XML file.
> This Hashtable should map Strings to Hashsets which contain also Strings.
> Unfortunately, I could not find an example for this.
>
> Here is what I currently have in the mapping file:
>
> <field name="myHashtable" collection="hashtable">
>       <bind-xml name="myHashtable" node="element">
>       <class name="org.exolab.castor.mapping.MapItem">
>               <field name="key" type="java.lang.String">
>                       <bind-xml name="key" node="element"/>
>               </field>
>               <field name="value" type="java.util.HashSet">
>                       <bind-xml name="value" node="element"/>
>               </field>
>       </class>
>       </bind-xml>
> </field>
>
>
> And this is in the source XML:
>
> <myHashtable xsi:type="java: java.lang.String"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
>       <key key="mykey"  xsi:type="java:java.util.Hashset "
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
>               <value xsi:type="java:java.lang.String"
> xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance">myvalue</value>
>       </key>
> </myHashtable>
>
>
> Any ideas how this code should look like? Is this even possible with Castor
> XML?
>
> Thanks in advance for your help.
>
>
> Greetings,
> Roland
>
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