Hi Sudhir,
Map/Hashtable support has been upgraded for Castor XML in the CVS. If
you can, you should try that version (by using either CVS or a nightly
snapshot) and see if it fits your needs. The keys are now output by
default.
--Keith
SUDHIR KULKARNI wrote:
>
> Hi
> I am trying to Marshal java.util.Map by
> implementing FieldHandler interface.
> Problem: No exception thrown- Map is marshalled with
> no keys but only values.
> I am using castor 0.9.5.2 and marshalling Map object
> on an event in web application which is
> running on IBM Websphere. I tried other ways like
> using GeneralizedFieldHandler. Didn't work.
> It would be great anybody tells me why field handler
> is never invoked.
> If anybody knows link/mail which has working example
> of Map marshalling let me know.
>
> Thanks
> Sudhir
> -------------------------------------------------------
>
> Main Object
> ---------------
> Location. java
> {
> .....
>
> java.util.Map LocationDetails;
>
> }
>
> The Wrapper class to hold LocationDetails
> --------------------------------------------------------
> public class MapFieldWrapper {
>
>
> private Object[] keyvalue;
> private Object[] objvalue;
>
> public Object[] getKeyvalue(){
> return keyvalue;
> }
> public void setKeyvalue(Object[] valtoset) {
> keyvalue = valtoset;
> }
>
> public Object[] getObjvalue(){
> return objvalue;
> }
> public void setObjvalue(Object[] valtoset) {
> objvalue = valtoset;
> }
>
> }
>
> The field Handler
> --------------------
> public class MapFieldWrapperHandler implements
> FieldHandler{
>
> MapFieldWrapper mapWrap;
>
> public MapFieldWrapperHandler() {
>
> mapWrap = new MapFieldWrapper();
>
> }
>
> public void checkValidity(Object object) {
> //deprecated doing nothing
> }
> public Object getValue(Object passedObject) throws
> IllegalStateException {
>
> System.out.println(" I am in getValue");
> //
> mapWrap.setKeyvalue((Map(passedObject)).keySet().toArray());
>
>
> mapWrap.setKeyvalue(((HashMap)(passedObject)).keySet().toArray());
>
> mapWrap.setObjvalue(((HashMap)(passedObject)).values().toArray());
>
> return mapWrap;
> }
>
> public Object newInstance(Object passedObject,
> Object passedObjArray[]){
>
> System.out.println(" I am in newInstance 2");
> // Map newObj = new HashMap();
> //newObj= (Map)passedObject;
> // return newObj;
> return null;
> }
> public Object newInstance(Object passedObject){
>
> System.out.println(" I am in newInstance1 ");
> // Map newObj = new HashMap();
> //newObj= (Map)passedObject;
> // return newObj;
> return null;
> }
>
> public void resetValue(Object passedObject) {
>
> System.out.println(" I am in resetValue");
>
> }
>
> public void setValue(Object passedObject, Object
> passedValue) {
> System.out.println(" I am in setValue");
>
> }
>
> Map file
> ----------
> <mapping xmlns="http://castor.exolab.org/";
> xmlns:cst="http://castor.exolab.org/";>
> <description>Castor generated mapping file-Sudhir 18
> DEC2003</description>
> <class cst:name="Location" auto-complete="false">
> <description>Default mapping for class
> Location</description>
> <map-to cst:xml="location"/>
> <field
> cst:name="LocationDetail"cst:type="MapFieldWrapper"
> handler="MapFieldWrapperHandler" >
> <bind-xml name="location-detail" node="element"/>
> </field>
> </class>
> <class name="MapFieldWrapper" auto-complete="false">
> <field cst:name="keyvalue"
> cst:type="java.lang.Object" collection="array">
> <bind-xml name="keyvalue" node="element"/>
> </field>
> <field cst:name="objvalue"
> cst:type="java.lang.Object" collection="array">
> <bind-xml name="objvalue" node="element"/>
> </field>
> </class>
> </mapping>
>
> --------------------------------------------------
>
> __________________________________
> Do you Yahoo!?
> Yahoo! SiteBuilder - Free web site building tool. Try it!
> http://webhosting.yahoo.com/ps/sb/
>
> -----------------------------------------------------------
> If you wish to unsubscribe from this mailing, send mail to
> [EMAIL PROTECTED] with a subject of:
> unsubscribe castor-dev
-----------------------------------------------------------
If you wish to unsubscribe from this mailing, send mail to
[EMAIL PROTECTED] with a subject of:
unsubscribe castor-dev
