Re: Axis 2 ver 1.2: Returning Maps from Web service

[Amila Suriarachchi <am...@gmail.com>]

hi,
Axis2 rmi which added recently ( So you can find it only in nighly builds)
supports HashMaps.  if this is a feasible solution for you please try that.

Amila.



On 8/17/07, Bhojraj, Santosh <Sa...@ustrust.com> wrote:
>
>  Hi:
>   I am working on the POJO web service in the Axis2 (version 1.2) samples
> and I added a method in there to return a Map of String to 'Entry' objects.
> The new service is below:
>
> *AddressBookService.java*
>
> public Map<String, Entry[]> findEntriesByState()
>  {
>   Map<String, Entry[]> stateToEntriesMap = new HashMap<String, Entry[]>(
> entries.size() );
>   for(Iterator iter = entries.keySet().iterator(); iter.hasNext();)
>   {
>    Entry value = (Entry) entries.get( iter.next() );
>    if ( stateToEntriesMap.containsKey( value.getState() ) )
>    {
>     Entry[] entryArray = (Entry[]) stateToEntriesMap.get( value.getState()
> );
>     Entry[] newEntryArray = new Entry[ entryArray.length + 1] ;
>     System.arraycopy( entryArray, 0, newEntryArray, 0, entryArray.length);
>     newEntryArray[ newEntryArray.length - 1 ] = value;
>
>     stateToEntriesMap.put( value.getState(), newEntryArray );
>    } else
>    {
>     stateToEntriesMap.put( value.getState(), new Entry[] { value } );
>    }
>   }
>   System.out.println("Num Entries in STATE - 2 - ENTRY MAp?" +
> stateToEntriesMap.size() );
>   return stateToEntriesMap;
>  }
>
>   I then changed the sample client provided, AddressBookRPCClient.java, to
> call this service and display the
> results. The new code added is as below:
>
> *AddressBookRPCClient.java*
> **
>   /*
>    Find STATE - 2 - ENTRIES Map
>   */
>   System.out.println("\n ** Executing Find Entries By State *** \n " );
>         QName opFindEntriesByState = new QName("
> http://service.addressbook.sample/xsd", "findEntriesByState");
>
>
>         Object[] opFindEntriesByStateArgs = new Object[0] ;
>   Map<String, Entry[]> stateToEntriesProto = new HashMap<String,
> Entry[]>(0);
> //        Class[]  entriesByStatereturnTypesList = new Class[] {
> HashMap.class };
>         Class[]  entriesByStatereturnTypesList = new Class[] {
> stateToEntriesProto.getClass() };
>
>         Object[] entriesByStateResponse = serviceClient.invokeBlocking
> (opFindEntriesByState,
>                  opFindEntriesByStateArgs,
>                entriesByStatereturnTypesList);
>
>   System.out.println("Find Entries By State: Num RESPONSE Entries = " +
>     (null != entriesByStateResponse ? entriesByStateResponse.length : 0 )
> );
>   System.out.println("Find Entries By State: RESPONSE Entry class = " +
> entriesByStateResponse[0].getClass()  );
>
>   Map entries2StateMap = (HashMap) entriesByStateResponse[0];
>   System.out.println("Num Entries in STATE - TO - ENTRIES Map:" +
> entries2StateMap.size() );
>
>     When I run this using 'ant rpc.client', the execution is successful
> but the returned map is empty i.e. I see this in the output.
>
>      [java]  ** Executing Find Entries By State ***
>      [java]
>      [java] Find Entries By State: Num RESPONSE Entries = 1
>      [java] Find Entries By State: RESPONSE Entry class = class
> java.util.HashMa
> p
>      [java] *Num Entries in STATE - TO - ENTRIES Map:0*
>
>     As cen be seen from the last line, the returned Map is empty even
> though there service returns a non-empty Map. This can be verified by the
> system
> out on the server :
>
> 2007-08-16 13:29:31,504 INFO  [STDOUT] Num Entries in STATE - 2 - ENTRY
> MAp? *4*
> **
> *   *Any ideas how this can resolved ? Should serializers / deserializers
> be specified for the Map object ?
>
>    I have attached the WSDL for reference.
>
> *Other info:*
>     JRE ver:         1.5
>     App Server:    JBoss 4.0.3
>
> Thanx !!
> Santosh
>
> *  *
>
>
>
>
> **
>
>
>
>
>
>
>
>
>
>
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: axis-user-unsubscribe@ws.apache.org
> For additional commands, e-mail: axis-user-help@ws.apache.org
>
>


-- 
Amila Suriarachchi,
WSO2 Inc.