Grails Programmer: How to output CSV from a Grails 3 Controller. 20 / 1 Reply def outs = Stream. = (). response. Should I invoke a flush or a close on the outpustream at the end of the closure? () or GRAILS IllegalStateException error for return the Stream # Closed. graemerocher opened this Issue on Oct 29, · 0 comments.
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I was tired of my clients asking me how to import a CSV in Excel.
Proper way to stream file from controller
Proper way to stream file from controller. We have fixed this problem outputstteam our applications by adding a static utility method: Posted by Hubert Klein Ikkink. Will give this a shot. On Wed, Jul 30, at 9: Anyway, this is what I do and it works fairly well for me: If that’s the case, copy from stream to stream. Currently, here’s how I do it: Generally things are working but today we ran across a problem that seems outputstreqm be shared by others but I cannot find a solution.
I have found it beneficial to use some of the new ‘Groovy’ methods on the File class in particular the File. September 5, Grails Goodness: Sign outputsteam or log in Sign up using Google. I wrote a post; in Spanish though. We have fixed this problem in our applications by adding a static utility method:. Lutputstream will try to determine the content type for files, but we can also use the contentType attribute to set the content type.
For reference in case others stumble over the same problem, I had to import groovy. If I recall correctly, the left shift operator here uses some annotation or something clearly I don’t remember details! Email Required, but iutputstream shown.
Grails Goodness: Render Binary Output with the File Attribute – Messages from mrhaki
Does anyone have any suggestions for me? B I am using the mime type and encoding defined in application. Then we use the render method and the file and contenType attributes to render the image graails a browser:. My code is only a little different, in that I don’t set the “Content-disposition” header and flush afterwards. A CSV file is easy to import in Excel.
Grails will try to find the content type based on the extension of the filename.
Notify me of follow-up comments by email. This will also set a response header with the name Content-Disposition with a the filename as value. A I will recommend to put the logic fetching the lines in a Service.
The Grails Framework
Free forum by Nabble. The file attribute can be assigned a byteFileInputStream or String value. In the following controller we find an image in our application using outputstresm.
I also typed the methods as void perhaps I am outputsrream too Java-fussy? We can use the fileName attribute to set a filename for the binary content. You can fix this by adding CompileStatic to your method, but that is not always feasible. Most browser will then automatically download the binary content, so it can be saved on disk.
Grails Programmer : How to output CSV from a Grails 3 Controller
What happens is that whenever I access it, Firefox fires up Totem plugin which streams the file from the controller. Your email address will not be published. Thanks If you are using Grails 2, just change the setConfiguration part to this: Sign up using Email and Password. If the answer is yes, subscribe to Groovy Calamari. Stream whenever I close the window outputstgeam the full audio file gets to play.
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I probably came across the same post I will then get an IllegalStateException: Then we use the render method and the file and contenType attributes to render the image in a browser: I’m glad it was useful to you, and thanks for the additional info for anybody else who graails this! On Wed, Jul 30, at 1: