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Apache Axis2 supports Base64 encoding, SOAP with Attachments & MTOM // create an OMText node with the above DataHandler and set “optimized” to false. Axis 2 source code file: (datahandler, datahandler, exception, package ; import ; import. The details of the solution are in the original message above. The issues were resolved using the following two sites: DataHandler issue.

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Handling Binary data with Axis2 (MTOM/SwA)

The option of serializing as optimised or not can be given at the constructing time or later. Also a user can create an optimizable binary content node using a base64 encoded string, which contains encoded binary content, given with the mime type of the actual binary representation.

Our Asis2 task for this example is:. Here the File object is what i defined ,a java bean datahanvler od object. It returns a message once it is successful.

MTOM with Axis2

Since SOAP prohibits document type declarations DTD in messages, this leads to the problem of not representing data as part of the message infoset, therefore creating two data models.

As this conceptual form might be needed during some processing of the XML Document e. Axis2 serializes all binary content nodes as Base64 encoded strings regardless of they are datagandler to be optimize or not, if. The main advantage of this technique is that it gives applications the ability to process and describe data, based and looking only on XML component of the data.


The code above receives a file and writes it to the disk using the given file name.

Also a user can create an optimizable binary content datahanxler even with a base64 encoded string which contains binary content given with the mime type of the actual binary representation.

Include element, eatahandler is defined in XML Binary Optimized Packaging XOP specification to reference the binary attachments external unparsed general entities of the message. Have a look at the following Axis2FileServiceClient class.

User can enableMTOM in the server side for outgoing messages. XML supports opaque data as content through the use of either base64 or hexadecimal text encoding. In the reverse direction, XOP is capable of optimizing only baseencoded Infoset data that is in the canonical lexical form.

If it is not set all the binary data in binary content nodes will be serialized as Base64 encoded strings. Axis2 preserves the order of the received attachments when storing them in the MessageContext. Could be this the problem?

Constants ; import org.

Handling Binary data with Axis2 (MTOM/SwA)

This causes the technologies for processing and description of data based on XML component of the data, to malfunction. Even though those attachments are related to the message content they are not inside the message. Axis2, client handler not getting called. Also a user can specify a size threshold for the File caching.


FileNotFoundException ; import java. Users can access binary attachments using the attachement API given in the Message Context using content-id of the mime part as the key. FileDataSource from the input file.

One example is WS-Security.

Axis 2 example source code file (MtomSampleTests.java)

I’ve tried to search the web for an answer, but was not succesful. Web services users may need to transmit binary attachments of various sorts like images, drawings, xml docs, etc together datanandler SOAP message.

Even though the representation is different, both technologies have the same wire format.

This causes the technologies for processing and catahandler of data based on Dxtahandler component of the data, to malfunction. I did not edit the correct cid in my soap message. MTOM allows to selectively encode portions of the message, which allows us to send base64encoded data as well as externally attached raw binary data referenced by “XOP” element optimized content to be send in a SOAP message. Then set the “enableMTOM” property in the call to true, when sending messages.