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The Prizm Services architecture is based on a two-tier web solution where the SEP, or CEP, is the backend tier and the front end tier is a light-weight-pass-through tier keeping the customer’s web application simpler to implement the Prizm sSrvices. There is a slight cost to this approach in that source documents need to be uploaded from the front end web tier to the Prizm Services tier. The recommendation is to embed code into the web page to initiate the upload sequence of the document and start the Prizm Services preparing the document for viewing. Another caveat to consider is that the document identification needs to be supplied by Prizm Services so that it can better manage that resource once it is uploaded.

The recommended process for document viewing:

1. Post a JSON String object of type DocumentProperties.
2. Use returned JSON string viewingSessionId value as the document identifier for viewing session.
3. Open document and write its content into a stream and upload.
4. Put request to convert document into viewable web pages.
5. Setup Viewer control on Web page with the document identifier returned from the Post above.

The viewing of email or message files is a more complicated process where the body of those types must be dissected into individual pieces for any attachments. Each attachment has its own document ID (now called Viewing Session Id) which must be handled separately. The web page must determine if a document query string parameter or a session identifier query string, viewingSessionId, is being used as the query string. In general, the viewingSessionId is the identification element for correspondence with Prizm Services.

The general concept is illustrated below:

 

 

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