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From "Ivan Vasquez" <i...@itos.uga.edu>
Subject RE: [Axiom]Re: Axis2: "ContentID is null" using MTOM
Date Wed, 05 Jul 2006 19:04:11 GMT
Sunny,

 

I will try that immediately. By the way, I have a working prototype of
MTOM from .Net to Axis2. Even though I see that you need the opposite
scenario, let me know if mine can help at all.

 

Thank you,

Ivan.

 

________________________________

From: Tech Savvy [mailto:tech.savvy@gmail.com] 
Sent: Wednesday, July 05, 2006 2:54 PM
To: axis-user@ws.apache.org
Subject: Re: [Axiom]Re: Axis2: "ContentID is null" using MTOM

 

Ivan,

In my experience, you can use OMText.isOptimized() to detect whether
MTOM is presented. If it is, it will return true. 

By the way, in the senario you describe, it seems like you shouldn't
need to worry about getting the handler and all that, if you simply want
to retrieve the binary data being sent back. The AXIS2 API will
automatically converted a MTOM soap back to standard SOAP so you client
is not affected by this underline transport technlogy. You can simply
get the OMText out and decoded with
org.apache.axis2.util.Base64.decode() to get the binary data out...

Of course if you choose, if OMText.isOptimized() returns true, you can
still get the hander to use the input stream to get the binary data out.
However this approach makes the client depends on or be awared of the
SOAP transport mechanism, which is not necessary... 

Thanks.

Sunny *



On 7/5/06, Ivan Vasquez <ivan@itos.uga.edu> wrote:

Thilina,

 

In line with your comments, the .Net service seems to have a threshold.
For very small files (<700 bytes) it puts its base64 representation
inside the soap envelope. For larger files I get several MIME sections
as expected.

 

In Axis2/Axiom, is there a way to tell whether an MTOM attachment is
present?

 

Thank you!

Ivan.

 

________________________________

From: Thilina Gunarathne [mailto:csethil@gmail.com] 
Sent: Wednesday, July 05, 2006 1:43 PM
To: axis-user@ws.apache.org; commons-dev@ws.apache.org
Subject: [Axiom]Re: Axis2: "ContentID is null" using MTOM

 

Receiving binary can happen as either MTOM attachments or as Base64
encoded text. In the case of Base64 user has to explicitly specify that
the content is binary, before calling getDataHandler(),
getInputStream()....

 

As you can see in this message no MTOM attachments are present in the
response, eventhough a MIME envelope is used. Binary file is in lined
using base64 encoding.

         <fileData>TmFocmdpcw==</fileData>
 

You need to add the following before calling for getDataHandler.

             binaryNode.setOptimize(true);

 

Even though it works, IMHO above method is not the clean way to do
this.. Because of that I'm going to introduce the setBinary(boolean
value) method to OMText.. You will be able to get that method in SVN
head in couple of hours.  

 

~Thilina
    

On 7/5/06, Ivan Vasquez < ivan@itos.uga.edu <mailto:ivan@itos.uga.edu> >
wrote: 

Hi,

I'm using Axis2 to call a .Net service which returns a binary file. I've
read the documentation and followed the examples, and both parties are 
using MTOM. But when my code runs:

OMElement elem = (OMElement)it.next();
...
OMText binaryNode = (OMText)elem.getFirstOMChild();
DataHandler actualDH = (DataHandler)binaryNode.getDataHandler();

The last instruction causes:

java.lang.RuntimeException: ContentID is null
       at
org.apache.axiom.om.impl.llom.OMTextImpl.getDataHandler(OMTextImpl.java:
339)
       at edu.uga.cviog.itos.ws.Client.foo (Client.java:87)
       at edu.uga.cviog.itos.ws.Client.main(Client.java:36)

>From what I see, the response message *does* have a "content-id" field
(below). Could you help me determine what's wrong? Here are the 
exchanged messages:

AXIS2 Request (synchronous):

POST /Interop/BinaryDataMTOMService.asmx HTTP/1.1
User-Agent: Axis/2.0
Host: 127.0.0.1:8888 <http://127.0.0.1:8888/> 
Transfer-Encoding: chunked 
Content-Type: multipart/related;
boundary=MIMEBoundaryurn_uuid_D2233EEE05CE572BC211521075222491;
type="application/xop+xml";
start="< 0.urn:uuid:D2233EEE05CE572BC211521075222492@apache.org
<mailto:0.urn:uuid:D2233EEE05CE572BC211521075222492@apache.org> >"; 
start-info="application/soap+xml";
charset=UTF-8;action="
http://stockservice.contoso.com/wse/samples/2005/1
<http://stockservice.contoso.com/wse/samples/2005/1> 
0/GetFile";

1d1
--MIMEBoundaryurn_uuid_D2233EEE05CE572BC211521075222491
content-type:application/xop+xml; charset=UTF-8;
type="application/soap+xml"; 
content-transfer-encoding:binary 
content-id:<0.urn:uuid:D2233EEE05CE572BC211521075222492@apache.org > 
<?xml version='1.0' encoding='UTF-8'?>
        <soapenv:Envelope 
xmlns:soapenv=" http://www.w3.org/2003/05/soap-envelope
<http://www.w3.org/2003/05/soap-envelope> ">
           <soapenv:Header />
           <soapenv:Body />
        </soapenv:Envelope> 
--MIMEBoundaryurn_uuid_D2233EEE05CE572BC211521075222491-- 
0

.NET Response:

HTTP/1.1 100 Continue
Server: Microsoft-IIS/5.1
Date: Wed, 05 Jul 2006 13:52:02 GMT
X-Powered-By: ASP.NET <http://asp.net/> 

HTTP/1.1 200 OK
Server: Microsoft-IIS/5.1
Date: Wed, 05 Jul 2006 13:52:02 GMT
X-Powered-By: ASP.NET <http://asp.net/> 
X-AspNet-Version: 2.0.50727
Cache-Control: private, max-age=0 
Content-Type: multipart/related; type="application/xop+xml";
boundary=--MIMEBoundary632876899223120893;
start="< 0.632876899223120893@example.org
<mailto:0.632876899223120893@example.org> >";
start-info="application/soap+xml; charset=utf-8"
Content-Length: 1569

----MIMEBoundary632876899223120893
content-id: < 0.632876899223120893@example.org
<mailto:0.632876899223120893@example.org> >
content-type: application/xop+xml; charset=utf-8;
type="application/soap+xml; charset=utf-8"
content-transfer-encoding: binary

<soap:Envelope xmlns:xop=" http://www.w3.org/2004/08/xop/include"
xmlns:soap=" http://www.w3.org/2003/05/soap-envelope
<http://www.w3.org/2003/05/soap-envelope> "
xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance
<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
<http://schemas.xmlsoap.org/ws/2004/08/addressing> "
xmlns:wsse="
http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wsse
<http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wsse> 
curity-secext-1.0.xsd "
xmlns:wsu="
http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssec
<http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssec> 
urity-utility-1.0.xsd">
        <env:Header 
xmlns:env=" http://www.w3.org/2003/05/soap-envelope
<http://www.w3.org/2003/05/soap-envelope> ">

<wsa:Action>
http://stockservice.contoso.com/wse/samples/2005/10/GetFileR
<http://stockservice.contoso.com/wse/samples/2005/10/GetFileR> 
esponse</wsa:Action>

<wsa:MessageID>urn:uuid:d4be97db-bdaa-428a-87cd-554aa2192a75</wsa:Messag
eID>

<wsa:RelatesTo>urn:uuid:850f1505-4dcb-475a-93b7-8bc5e274cea5</wsa:Relate

sTo>

<wsa:To>http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous
<
/wsa:To>
           <wsse:Security> 
              <wsu:Timestamp
wsu:Id="Timestamp-39117870-658a-4e5a-b3aa-d149240a1cbb">
                 <wsu:Created>2006-07-05T14:04:45Z</wsu:Created> 
                 <wsu:Expires>2006-07-05T14:09:45Z</wsu:Expires> 
              </wsu:Timestamp>
           </wsse:Security>
        </env:Header>
        <soap:Body>
           <GetFileResponse
xmlns=" http://stockservice.contoso.com/wse/samples/2005/10
<http://stockservice.contoso.com/wse/samples/2005/10> ">
              <getFileResponse>
                 <fileName>hola.txt</fileName>
                 <fileData>TmFocmdpcw==</fileData> 
              </getFileResponse> 
           </GetFileResponse>
        </soap:Body>
     </soap:Envelope>
----MIMEBoundary632876899223120893--


Thanks in advance,
Ivan

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-- 
"May the SourcE be with u"             
http://people.apache.org/~thilina/
<http://people.apache.org/%7Ethilina/> 
http://thilinag.blogspot.com/
http://www.bloglines.com/blog/Thilina                

 


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