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From Anil Atyam <aanilku...@gmail.com>
Subject Re: getDataHandler returns Null.. AXIS2 1.2.11-- Smart Programming?
Date Fri, 20 May 2011 20:32:31 GMT
My apologies. I didn't mean to question the ability of the programmers. There could be a compelling
reason to do so which I don't follow. Otherwise, I have highest respect to these programmers
and open source contributors. 



Thanks
Anil Atyam
Ph: 703 473 0039


On May 20, 2011, at 3:48 PM, Andreas Veithen <andreas.veithen@gmail.com> wrote:

> You should be very, very careful before posting comments suggesting
> that the developers in this project are not doing "smart programming",
> especially if these comments tend to show your own inexperience in
> Java programming.
> 
> I recommend reading the following article to learn about the do's and
> don'ts for a public mailing list:
> 
> http://www.catb.org/~esr/faqs/smart-questions.html
> 
> 
> On Fri, May 20, 2011 at 19:40, Anil Atyam <aanilkumar@gmail.com> wrote:
>> Folks
>> 
>> 
>> getDataHandler method of org.apache.axiom.attachments.Attachments returns
>> NULL when it can't find the content part it is looking based on the content
>> id. Shouldn't it return something else? I  mean, if you return null its very
>> obvious that you get null pointer exception from this call is originiated,
>> in my case, org.apache.axiom.attachments.Attachments.getSOAPPartContentType.
>> 
>> I am not really sure why would you want to return null. Instead, You can
>> handle the null case and throw an exception stating, required content based
>> on content id not found in message etc.
>> 
>> 
>> 
>> 
>> 
>> I have copied my response MIME encoded message and please let me know if its
>> missing any MIME parts. My response schema has NO element of type
>> base64Binary, howerver, the response is MIME encoded.
>> 
>> 
>> 
>> 
>> 
>> Checks whether the MIME part is already parsed by checking the attachments
>> HashMap. If it is not parsed yet then call the getNextPart() till the
>> required part is found.
>> 
>> Parameters: blobContentID (without the surrounding angle brackets and "cid:"
>> prefix) Returns: The DataHandler of the mime part referred by the Content-Id
>> or *null* if the mime part referred by the content-id does not exist
>> Checks whether the MIME part is already parsed by checking the attachments
>> HashMap. If it is not parsed yet then call the getNextPart() till the
>> required part is found.
>> 
>> Parameters: blobContentID (without the surrounding angle brackets and "cid:"
>> prefix) Returns: The DataHandler of the mime part referred by the Content-Id
>> or *null* if the mime part referred by the content-id does not exist
>> 
>> 
>> 
>> 342    public DataHandler getDataHandler(String blobContentID) {
>> 343        DataHandler dataHandler;
>> 344        if (attachmentsMap.containsKey(blobContentID)) {
>> 345            dataHandler = (DataHandler)
>> attachmentsMap.get(blobContentID);
>> 346            return dataHandler;
>> 347        } else if (!noStreams) {
>> 348            //This loop will be terminated by the Exceptions thrown if
>> the Mime
>> 349            // part searching was not found
>> 350            while ((dataHandler = this.getNextPartDataHandler()) != null)
>> {
>> 351                if (attachmentsMap.containsKey(blobContentID)) {
>> 352                    dataHandler = (DataHandler)
>> attachmentsMap.get(blobContentID);
>> 353                    return dataHandler;
>> 354                }
>> 355            }
>> 356        }
>> 357        return null;
>> 358    }
>> 
>> 
>> 
>> 
>> MIME encoded response from the server side.
>> 
>> 
>> HTTP/1.1 200 OK
>> Connection: close
>> Date: Thu, 12 May 2011 14:42:15 GMT
>> Server: Microsoft-IIS/6.0
>> X-Powered-By: ASP.NET
>> X-AspNet-Version: 2.0.50727
>> Cache-Control: private, max-age=0
>> Content-Type: multipart/related; type="application/xop+xml";
>> boundary=--MIMEBoundary634407937359568655;
>> start="<0.634407937359568655@example.org>"; start-info="text/xml;
>> charset=utf-8"
>> Content-Length: 890
>> 
>> ----MIMEBoundary634407937359568655
>> content-id: <0.634407937359568655@example.org>
>> content-type: application/xop+xml; charset=utf-8; type="text/xml;
>> charset=utf-8"
>> content-transfer-encoding: binary
>> 
>> <soap:Envelope xmlns:xop="http://www.w3.org/2004/08/xop/include"
>> xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>> xmlns:xsd="http://www.w3.org/2001/XMLSchema"
>> xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing"
>> xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
>> xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"><soap:Body><TravelDocumentNotificationRS
>> Version="1.000" xmlns="http://www.amtrak.com/schema/2010/01/01"><Success
>> /></TravelDocumentNotificationRS></soap:Body></soap:Envelope>
>> ----MIMEBoundary634407937359568655--
> 
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