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File Download

Diogo_Portela

Hi!

Is there a function to download a specific file from the Content Server through Oscript?

Best Regards,

Diogo Portela

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eLink User

What do you mean by this? A livelink document object can have more than 1 version and any specific version is downloadable from the GUI.You would use the Versions tab or the Renditions tab if you have it.
As my colleague points out in this thread you can either attend builder class or trace the call That would be the way to enhance your knowledge...
https://knowledge.opentext.com/knowledge/cs.dll?func=ll&objId=47479396&objAction=viewincontainer

Never argue with idiots. They drag you down to their level, and then beat you with experience.
Eat one live toad the first thing in the morning and nothing worse will happen to you the rest of the day

via : Laugh IT Out: Dilbert’s Best Quotes

On Wed, Apr 16, 2014 at 5:45 AM, eLink Entry: Content Server Development Forum <development@elinkkc.opentext.com> wrote:

File Download Posted bydiogo.portela_ext@netpeople.pt (Portela, Diogo)On 04/16/2014 06:41 AM

Hi! Is there a function to download a specific file from the Content Server through Oscript? Best Regards, Diogo Portela
[To post a comment, use the normal reply function]
Forum: Content Server Development Forum
Content Server: Content Server

Diogo_Portela

Hi,

I meant downloading the file in the Content Server to a folder in the file system. I can get the node, I need to know if and how I can just put the node in the folder in my filesystem.

Best regards and thanks for the help

Carsten_Kulms

DAPI.FetchVersion does that (for a version of course; there is also a similar function for renditions--see builder docs):Integer FetchVersion(DAPIVERSION version, String localFilePath )Copies the specified version contents to a file on the local host.

David Templeton

When accessing various operations developers should be using the LLNode interfaces, the direct low-level DAPI calls when possible. For the different object types this is where the business logic resides, including triggers for audit. If it is found there is no interface for accessing the object etc, then that is an issue to be recorded as a bug.

Regards

David

Carsten_Kulms

David,I fully agree.I was still searching for a corresponding LLIAPI::LLNode/NodeUtil function when replying.Finally I just found that LLNode.FetchVersion is overwritten accordingly by the Document node implementation: You can specify a FilePath in the fetchInfo parameter and this will do the trick.Up to now I was unable to find the documentation for this functionality...

David Templeton

In LLNode…

function Assoc NodeFetchVersion(\

DAPINODE node,\

DAPIVERSION version = UNDEFINED,\

Dynamic fetchInfo = UNDEFINED,\

Dynamic context = UNDEFINED )

One of the following settings for the destination in order of the checking

fetchInfo.FilePath = File path to send it to ( String )

fetchInfo.Socket = Socket handle

fetchInfo.Text = hand back the text ( < 10K ) directly

David

Diogo_Portela

Hi,

Thank you both for your answers.

I tried calling the NodeFetchVersion method.

I set the DAPINODE using the GetNodeByID function as I do in other scripts and then I defined an Assoc called fetchInfo and defined the fetchInfo.FilePath to the path I wanted

When I called the function, I got an error saying the file already exists. Do I need to set the fetchInfo.Socket and the fetchInfo.Text?

I did the following

DAPINODE file

file = DAPI.GetNodeByID(prgCtx.DapiSess(), 953698)

Assoc fetchInfo = Assoc.CreateAssoc()

fetchInfo.FilePath = "C:\temp"

Object LLNode = $LLIAPI.LLNodeSubsystem.GetItem ( $TypeDocument )

Dynamic result = LLnode.NodeFetchVersion(file, Undefined, fetchInfo)

Thanks again for your help.

Best regards,

Diogo Portela

Chris Meyer

Hi Diogo, try using the full path in the FilePath parameter:

fetchInfo.FilePath = "C:\temp\filename.ext"

Also, you should use the $LLIAPI.LLNode for the type you're applying this to. E.g.,

Object LLNode = $LLIAPI.LLNodeSubsystem.GetItem ( node.pSubtype )

David Templeton

Ok took the script you provided and expanded it a bit….. it will handle up to a 1000 file name collisions, but the real fix was you need to provide the full path and filename of the destination. Ideally if it is to go to the web $WebDoc.WebDocUtils.NodeToWeb should be used for the setting up the name for the correct browser and etag information. But lacking that….

// reference to the node itself

Integer nodeID = 2000630436

// locals

DAPINODE node

Assoc fetchInfo

Object llNode

Assoc checkVal

Integer index

String filename

String path = 'c:\temp\'

Object dapiCtx = prgCtx.DSession()

// off to get the object

node = DAPI.GetNodeByID( dapiCtx.fSession, nodeID)

if ( IsNotError( node ) )

// so far the object is good

filename = node.pName

if ( File.Exists( path + filename ) )

// this is limited to 1000 versions of the file :-)

for index = 1 to 1000

checkVal = $WebDoc.WebDocUtils.GetFileNameParts( node.pName )

// ensure the extension, is exists is still correct. On down the correct app will still be executed

if ( Length( checkVal.extension ) > 0 )

// there is an extension on the name, put the count before the extension

filename = Str.Format( "%1[%2].%3", checkVal.basename, index, checkVal.extension )

else

filename = Str.Format( "%1[%2]", checkVal.basename, index )

end

breakif ( !File.Exists( path + filename ) )

end

// Set the full path & filename to the destination file

fetchInfo.FilePath = path + filename

llNode = $LLIAPI.LLNodeSubsystem.GetItem ( $TypeDocument )

checkVal = llNode.NodeFetchVersion( node, Undefined, fetchInfo )

if ( checkVal.ok == TRUE )

// Success in the download. Carry on

echo( "Successful: ", fetchInfo.FilePath )

else

// Oops, something happened

echo( "Error: ", checkVal.errMsg )

end

else

echo( "Error in retrieving the object: ", nodeID )

end

Regards

David