Files search operation in latest file connector(4 x version)

[dumindurox777]

Description: Adding the file connector search operation to new file connector. As per the previous 3.x version[1] file connector search operation is there to check the available file with certain pattern reside in the root directory(including the sub directories). But that possibility is not there in the latest 4.x version file connector.

Response for CSV file searching reside in the root directory 3.x version file connector.(including sub directories)

<fileconnector.search>
                <source>/Users/apple/Documents/EVAL/HCL/dumi3</source>
                <filePattern>.*.csv</filePattern>
                <recursiveSearch>true</recursiveSearch>
 </fileconnector.search>

<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope">
   <soapenv:Body>
      <ns:result xmlns:ns="http://org.wso2.esbconnectors.FileConnector">
         <ns:file>/Users/apple/Documents/EVAL/HCL/dumi3/Products.csv</ns:file>
         <ns:file>/Users/apple/Documents/EVAL/HCL/dumi3/untitledfolder/Productsqwe.csv</ns:file>
      </ns:result>
   </soapenv:Body>
</soapenv:Envelope>

[1] https://ei.docs.wso2.com/en/latest/micro-integrator/references/connectors/file-connector/3.x/file-connector-3.x-config/

Affected Product Version: Wso2 MI-1.2.0