12.2.17 Release

Author: swaohan

darest/get_vstdata.p

@@ -0,0 +1,100 @@
+/*************************************************************/
+/* Copyright (c) 2024 by progress Software Corporation       */
+/* all rights reserved.  no part of this program or document */
+/* may be  reproduced in  any form  or by  any means without */
+/* permission in writing from progress Software Corporation. */
+/*************************************************************/
+/*------------------------------------------------------------------------
+    File        : get_vstdata.p
+    
+    Description : Dump VST table(s) data into a JSON
+    Author(s)   : tmasood
+    Created     : Thur Aug 08 10:34:45 IST 2024
+    Notes       :
+  ----------------------------------------------------------------------*/
+
+routine-level on error undo, throw.
+
+using Progress.Lang.*.
+using OpenEdge.DataAdmin.Rest.RestService from propath.
+using OpenEdge.DataAdmin.Rest.IRestRequest from propath.
+using OpenEdge.DataAdmin.Error.NotFoundError from propath.
+using OpenEdge.DataAdmin.Error.DataAdminErrorHandler from propath.
+using OpenEdge.DataAdmin.Error.UnsupportedOperationError from propath.
+ 
+{darest/restbase.i get vstdata}  
+
+procedure Execute:
+    define input  parameter restRequest as IRestRequest  no-undo.     
+    /* ***************************  Definitions  ************************** */
+   
+    define variable service      as RestService no-undo.
+    define variable errorHandler as DataAdminErrorHandler no-undo.
+    define variable tthdl        as handle     no-undo.
+    define variable bConnecthdl  as handle     no-undo.
+    define variable btthdl       as handle     no-undo.
+    define variable cTableName   as character  no-undo.
+    define variable lRetVal      as logical    no-undo.
+    define variable cOutputFile  as character  no-undo.
+    /* ***************************  Main Block  *************************** */
+    restRequest:Validate().
+    service = new RestService(restRequest:ConnectionName).
+    service:URL = restRequest:ConnectionUrl.
+    cTableName  = if restRequest:KeyValue[1] > "" then restRequest:KeyValue[1] else "" .
+    
+    case cTableName: 
+    // Moving forward we can add more tables under the CASE statement
+    when "_Connect" then do:
+        /* Get VST table handle */
+        bConnecthdl = BUFFER _Connect:HANDLE.
+        /* Create an empty, undefined TEMP-TABLE */
+        CREATE TEMP-TABLE tthdl.
+        /* Give it _Connect table's fields & indexes */
+        tthdl:CREATE-LIKE(bConnecthdl).
+        tthdl:SERIALIZE-NAME = "_Connect".
+        tthdl:TEMP-TABLE-PREPARE("ttConnect").
+        /* Get the buffer handle for the temp-table */
+        btthdl = tthdl:DEFAULT-BUFFER-HANDLE.
+ 
+        // Populate the temp-table buffer with data
+        for each _connect no-lock:
+            btthdl:BUFFER-CREATE.
+            btthdl:BUFFER-COPY(bConnecthdl).
+        end.
+        // make sure the output filename is provided
+        if INDEX(restRequest:OutFileName, ".json") = 0 then
+          cOutputFile = cTableName + ".json".
+        else
+          cOutputFile = restRequest:OutFileName.
+        // Write the temp-table to JSON and capture any error, if occured
+        lRetVal = btthdl:WRITE-JSON("file", cOutputFile, TRUE) NO-ERROR.
+        if ERROR-STATUS:ERROR and ERROR-STATUS:NUM-MESSAGES > 0 then
+          undo, throw new NotFoundError("Error occurred: '" + ERROR-STATUS:GET-MESSAGE(1)).
+             
+        if not lRetVal then
+          undo, throw new NotFoundError(substitute("Unable to write JSON output file: &1", cOutputFile)).        
+    end.    
+    otherwise do:
+        if cTableName = "" then
+          undo, throw new NotFoundError("VST name cannot be blank. Please enter valid VST name in URL.").
+        else
+          undo, throw new NotFoundError("VST name not found. Please enter valid VST name in URL.").
+    end. 
+    
+    end case. 
+  
+    catch e as Progress.Lang.Error :
+        if session:batch-mode then
+            errorHandler =  new DataAdminErrorHandler(restRequest:ErrorFileName).
+        else
+            errorHandler = new DataAdminErrorHandler().
+        errorHandler:Error(e).      
+    end catch.
+    finally:
+        delete object service no-error. 
+        if valid-handle(btthdl) then 
+          btthdl:BUFFER-RELEASE().
+        delete object tthdl no-error.
+    end finally.
+    
+end.