BPEL Component as a REST SERVICE(using HTTP Adapter)

BPEL Component as  a REST SERVICE(using HTTP Adapter)

 

Task: To expose a SOA Component (a BPEL Service Here ) as a REST (HTTP based) service using HTTP Binding Adapter

• Open A new Empty SOA Project.


• Go to Composite.xml->Drop the HTTPBinding Adapter  from component pallet @ the left to to the Exposed Services Swimlane at the LeftHandSide

• Follow the below screen shot to configure & complete the HTTP Binding Wizard.


• 
  
  You may use any schema for configuring the request and response Message structure withing the HTTPBinding .
  
  
   
  
  
  BPELProcess1.xsd
  
  
   
  
  
  <?xml version="1.0" encoding="UTF-8"?>
  
  
  <schema attributeFormDefault="unqualified"
  
  
      elementFormDefault="qualified"
  
  
      targetNamespace="http://xmlns.oracle.com/Application1/Project1/BPELProcess1"
  
  
      xmlns="http://www.w3.org/2001/XMLSchema">
  
  
      <element name="process">
  
  
          <complexType>
  
  
              <sequence>
  
  
                  <element name="input" type="string"/>
  
  
              </sequence>
  
  
          </complexType>
  
  
      </element>
  
  
      <element name="processResponse">
  
  
          <complexType>
  
  
              <sequence>
  
  
                  <element name="result" type="string"/>
  
  
              </sequence>
  
  
          </complexType>
  
  
      </element>
  
  
  </schema>
  
  
  
  

  
  
  • Step 1,Step2 and Step3 for HTTP Binding Wizard
  
  

  
  

 

 

 

• Note:In HTTP Binding wizard Step 4:Verb and Payload-Type can be manipulated by manually edited in the composite.xml later and

 

 

 

Once The Adapter is configure for being exposed as a service.,

• Drop an empty BPEL Process in the component area.


• Open the BPEL and complete the desired flow using a receive and reply activity witha desired transformation between these .

 

 

To make available all the HTTP Methods for the service both GET and POST , composite so that HTTP Bindings comes with its default behavior remove the properties that appear in composite

 

So that once deployed the composite , you have the blow shown methods available for invocation.