2 Replies Latest reply: Mar 10, 2011 8:01 AM by ilssac RSS

    How to pass a file to a web service.

    ilssac Community Member
    ilssac Mar 10, 2011 7:17 AM

      What would be the web service equivalent of this HTTP request?

       

      wsTest.cfm

      <cfhttp url="https://secure-devsite/pur-loader/ws/ppur_v0.cfc" method="post" multipart="yes">
     <cfhttpparam name="authentication" value="xxxxxxxxxxxxxxxx" type="formfield">
     <cfhttpparam name="ppurfile" file="#expandPath('ppur-test.xml')#" type="file">
     <cfhttpparam name="method" value="dataSubmit" type="url">
</cfhttp>
<cfoutput>#htmlEditFormat(cfhttp.FileContent)#</cfoutput>

       

      ppur_v0.cfc

      <cffunction name="dataSubmit" access="remote" output="no" returntype="xml">
     <cfargument name="authentication" type="string" required="yes" hint="authentication value">
     <cfargument name="ppurFile" type="string" required="yes" hint="file upload field">

        <cfset var dataResult = "">
     <cfset var rootpath = getDirectoryFromPath(getCurrentTemplatePath())>

     <cfset path = replace(rootpath,"htdocs/pur-loader/ws/","uploadedFiles/ppur/","ONE")>

     <cffile action="upload" filefield="ppurFile" destination="#path#" nameconflict="overwrite">
          
     <cfset var validate = xmlValidate(cffile.serverDirectory & '/' & cffile.serverFile,replace(rootpath,'/ws/','/schema/ppur-data-transmission.xsd','ONE'))>
...
</cffunction>

       

      I.E.  How would one pass a 'file' to a web service?  Or can you only pass the content of the file as a string?  Which is differernt and apparently does not work for what we are trying to do.  When I did that, we would start getting 'java heap out of memory' errors dealing with the quanty of content we need to pass to this web service.

       

      To clarify, is there a way to pass a file reference through a web service object that can be used in a <cffile action="upload"...> tag in the <cffunction...> block?

      • 989 Views
      • Tags:
        • 1. Re: How to pass a file to a web service.
          Owain North Community Member
          Owain North Mar 10, 2011 7:48 AM (in response to ilssac)

          You can only ever pass file *content* to a webservice. A remote CF box cannot see a file on your local PC or any machine other than one connected over a network.

           

          Http isn't great for sending large files, things like ftp are used for that purpose.

           

          How big is the file you're trying to send?

          • 2. Re: How to pass a file to a web service.
            ilssac Community Member
            ilssac Mar 10, 2011 8:01 AM (in response to Owain North)

            76.8 MB is the file I am using for testing purposes.  This file represents a top 5% of the largest amount of data we expect to receive by this web service.  This test file works well with the HTTP.  But we first tried as a direct web service receiving the data as a stream.  That caused the Jave Heap Out Of Memory errors.

             

            I was just wondering if there was a web service version of the http code, where the file will be uploaded the same way.  Looks like that is not the case.

             

            I.E. something like this:

            <cfset ws = createObject("webservice","url.webservice.wsdl")>
<cfset ws.dataSubmit(AuthCode,file)>

            Where the file is uploaded, not just sent as content.

             

            How would you use FTP with a tie in to futher processing by CFML code once the file is received?

             

            This is for B2B [really G2G -- Government (county) to Government (state)].  We are recieving data that will be processed and a reply will be returned to their system.