Now you have completed your ExternalFileServices reusable part, it's time to test it.

Create a server module called TestFileServicesModule and add the following code to the server module:

     * Fields
     Define Field(#Fld_SourcePath) Type(*NVARCHAR) Length(1000)
     Define Field(#Fld_TargetPath) Type(*NVARCHAR) Length(1000)
     Define Field(#Fld_Message) Type(*NVARCHAR) Length(2000)

     * Server routine
     Srvroutine Name(TestFileCopy)
        Field_Map For(*INPUT) Field(#Fld_SourcePath) Parameter_Name(SourcePath)
        Field_Map For(*INPUT) Field(#Fld_TargetPath) Parameter_Name(TargetPath)
        Field_Map For(*OUTPUT) Field(#Fld_Message) Parameter_Name(Message)
        * Create an instance of the FileServices reusable part
        Define_Com Class(#ExternalFileServices) Name(#Services)
        * Create an instance of the invocation status object
        Define_Com Class(#ExternalServiceInvocationStatus) Name(#Status)
        * Invoke the Copy method
        #Services.Copy SourcePath(#Fld_SourcePath) TargetPath(#Fld_TargetPath) InvocationStatus(#Status)
        * If not OK status, get the error message
        If (*Not #Status.OK)
           #Fld_Message := #Status.ErrorMessage
        Endif
     Endroutine

Create a webpage to invoke your server module:

     Evtroutine Handling(#Com_owner.Initialize)
        Define_Com Class(#TestFileServicesModule.TestFileCopy) Name(#FileCopy)
        Define_Com Class(#PRIM_DC.UnicodeString) Name(#Message)
        * Invoke the copy service via the server routine
        * Adjust the source & target file paths
        #FileCopy.Execute SourcePath('/home/tony/a.txt') TargetPath('/home/tony/b.txt') Message(#Message)
        * Check if the server routine returns any error message
        If (#Message.CurChars > 0)
           #SYS_WEB.Alert( #Message )
        Else
           #SYS_WEB.Alert( 'All good!' )
        Endif
     Endroutine

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