MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA XML, Xpath and XSLT Greg Alvord Senior Data Architect, RealEC David Krause AVP, Radian Guaranty June 4, 2012

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Agenda Overview –Xpath –XSLT Real World Scenarios –Background on system layout –Routing rules –Translation between two defined formats –Avoid system customization –Prevent semantic loss

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Overview Xpath –Syntax for defining individual pieces of an XML document using path-based expressions –Allows for navigating through XML document and applying collection of built-in functions

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Overview XSLT –EXtensible Stylesheet Language Transformation –XSLT is used to transform an XML document into another XML document, or another type of document that is recognized by a browser, like HTML and XHTML –Can add/remove elements and attributes to/from the appropriate output file Sort Perform calculations/logic –XML navigation based on XPath

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Message Routing for Generic Endpoints Generic endpoint for all Origination transactions Rely on either message level or payload level information to route accordingly

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Message Routing for Generic Endpoints

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Translation Between Formats Convert external standard format to internal to be consumed by downstream application Logic can be simple 1-to-1 mapping OR more complex If…Then or Choice logic

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Translation Between Formats

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Translation Between Formats

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Avoid Application Customization Often times a trading partner will not adhere to all integration requirements Ideal to isolate these “one-offs” –Prevent from leaking into the base application Execute a pre-process translation to clean up the XML

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Avoid Application Customization

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Avoid Losing Message Granularity/Relevance Internal organization requirements vs. trading partner requirement may result in conflict Similar to avoiding application customization, can place translation right before message leaves network

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Avoid Losing Message Granularity/Relevance

MISMO Trimester Meeting June 4 - 7, 2012 Santa Ana, CA Questions? Greg Alvord Senior Data Architect RealEC Technologies David Krause AVP Client Services Radian Guaranty, Inc