Published on February 20, 2014
WSO2 Advantage Webinar Improved JSON support of WSO2 ESB 4.8.0 Vanjikumar Sivajothy Senior Software Engineer Ishan Jayawardena Senior Software Engineer February 20 2014
About the Presenters Vanjikumar Sivajothy firstname.lastname@example.org 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 email@example.com 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. 2
About WSO2 ๏ Global enterprise, founded in 2005 by acknowledged leaders in XML, web services technologies, standards and open source ๏ Driven by Innovation ๏ Launched first open source API Management solution in 2012 ๏ Provides only open source platformas-a-service for private, public and hybrid cloud deployments ๏ Launched App Factory in 2Q 2013 ๏ All WSO2 products are 100% open source and released under the Apache License Version 2.0. ๏ Launched Enterprise Store and first open source Mobile solution in 4Q 2013 ๏ Is an Active Member of OASIS, Cloud Security Alliance, OSGi Alliance, AMQP Working Group, OpenID Foundation and W3C. 3
What WSO2 delivers 4
Agenda JSON JSON Support of WSO2 ESB 4.8.0 Developing JSON aware message flows with ESB 4.8.0 5
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"/> ๏ ๏ Deferred Building ๏ 7 StAXON Effiecient
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 http://docs.wso2.org/display/ESB481/JSON+Support 8
Accessing JSON Content Accessing Content form JSON payload ๏ JSONPath json-eval() ๏ 9 XPath
JSONPath Syntax 10
Log Mediator ๏ ๏ 11 Full payload log in JSON using Log Mediator Full payload log in XML using Log Mediator
Constructing JSON ๏ Payload Mediator Well defined payload Known structure for payload ๏ Script Mediator Recurring Structure like Array 12
Constructing JSON - Script ๏ 13 The Script mediator provides the flexibility for handle recurring structures such as arrays
Constructing JSON - Payload ๏ 14 The Payload mediator provides the simplest way to work with JSON payload
Constructing JSON - Script ๏ 15 The Script mediator provides the flexibility for handle recurring structures such as arrays
Troubleshooting Debugging using Carbon logs ๏ 16 <ESB_HOME>/repository/conf/log4j.properties
Call to Action ๏ Download WSO2 ESB http://wso2.com/products/enterprise-service-bus/ 17
Business Model 19
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