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Improved JSON Support of WSO2 ESB 4.8


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Improved JSON Support of WSO2 ESB 4.8

  1. 1. Vanjikumar Sivajothy Senior Software Engineer Ishan Jayawardena Senior Software Engineer February 20 2014 WSO2 Advantage Webinar Improved JSON support of WSO2 ESB 4.8.0
  2. 2. 2 About the Presenters Vanjikumar Sivajothy Senior Software Engineer Vanji joined WSO2 in February 2013. He is a Senior Software Engineer in the WSO2 Enterprise Service Bus product team. In addition to his product development efforts he has also provided technology consulting on customer engagements, including development service programs. Ishan Jayawardena Senior Software Engineer Ishan joined WSO2 in December 2011. He is a software engineer in the integration technologies team where he mainly focuses on the WSO2 Enterprise Service Bus. In addition to his product development efforts he has also provided technology consulting on customer engagements, including customer QuickStart programs focused on Enterprise Application Integration projects.
  3. 3. 3 About WSO2 ๏ Global enterprise, founded in 2005 by acknowledged leaders in XML, web services technologies, standards and open source ๏ Provides only open source platform-as-a-service for private, public and hybrid cloud deployments ๏ All WSO2 products are 100% open source and released under the Apache License Version 2.0. ๏ Is an Active Member of OASIS, Cloud Security Alliance, OSGi Alliance, AMQP Working Group, OpenID Foundation and W3C. ๏ Driven by Innovation ๏ Launched first open source API Management solution in 2012 ๏ Launched App Factory in 2Q 2013 ๏ Launched Enterprise Store and first open source Mobile solution in 4Q 2013 ๏ Generated 2x revenue growth in 2013 and 2012 ๏ Captured 65 new customers in 2013 ๏ Obtained $20 M of funding from CISCO and Toba Capital
  4. 4. 4 What WSO2 delivers
  5. 5. Agenda 5 JSON JSON Support of WSO2 ESB 4.8.0 Developing JSON aware message flows with ESB 4.8.0 Accessing content of JSON messages Content Based Routing (CBR) for JSON messages Constructing, and Transforming JSON Logging, and Troubleshooting
  6. 6. 6 JSON A data interchange format that is, ๏ Lightweight ๏ Text-based ๏ Language independent ๏ Human/machine readable A better data interchange format JSON and JavaScript Internet Media type ๏ application/json
  7. 7. 7 JSON Support of WSO2 ESB Message Builders, and Message Formatters ๏ Builder, Formatter Register builder formatter in ESB_HOME/repository/conf/axis2/axis2.xml <messageBuilder contentType="application/json" class="org.apache.synapse.commons.json.JsonStreamBuilder"/> <messageFormatter contentType="application/json" class="org.apache.synapse.commons.json.JsonStreamFormatter"/> ๏ StAXON ๏ Deferred Building ๏ Efficient
  8. 8. 8 JSON Support of WSO2 ESB JSONPath ๏ Log, Property, Switch, Filter PayloadFactory, Script Mediators ๏ Construct, transform JSON Convert between JSON and XML <property name="messageType" value="application/json" scope="axis2"/> <property name="messageType" value="application/xml" scope="axis2"/> Better XML representation of JSON requests ๏ Minimum information loss ๏ Supports complex JSON structures ๏ Supports special characters Documentation
  9. 9. 9 Accessing JSON Content Accessing Content of a JSON payload ๏ JSONPath json-eval() ๏ XPath
  10. 10. 10 JSONPath Syntax
  11. 11. 11 CBR - JSONPath ๏ Filter Mediator ๏ Switch Mediator
  12. 12. 12 Payload Access - JSONPath ๏ Log Mediator ๏ Property Mediator
  13. 13. 13 Logging - JSON payload ๏ Log the entire payload using Log Mediator for JSON payload ๏ Full payload log in XML using Log Mediator
  14. 14. 14 Constructing JSON Payloads PayloadFactory Mediator Well defined payload Known structure for payload Script Mediator Recurring Structure like Array
  15. 15. 15 Constructing JSON - Payload ๏ The PayloadFactory mediator provides the simplest way to work with JSON payload
  16. 16. 16 Constructing JSON - Script ๏ The Script mediator provides the flexibility for handle recurring structures such as arrays
  17. 17. Transforming JSON Payloads 17 ๏ JSON to XML ๏ XML to JSON
  18. 18. 18 Troubleshooting Debugging using Carbon logs ๏ <ESB_HOME>/repository/conf/
  19. 19. Call to Action 19 Download WSO2 ESB ESB Product Documentation Articles On REST RESTful Integration with WSO2 ESB
  20. 20. 20 Questions?
  21. 21. 21 Business Model
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  24. 24. Contact us !