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 You can send a binary response to the client using standard servlet API calls such as () } The code uses the response object’s outputStream.
|Published (Last):||17 November 2016|
|PDF File Size:||20.68 Mb|
|ePub File Size:||5.80 Mb|
|Price:||Free* [*Free Regsitration Required]|
Proper way to stream file from controller
Search everywhere only in this topic. Currently, here’s how I do it: I have found it beneficial to use some of the new ‘Groovy’ methods on the File class in particular the File. The complete code that contains the logic to generate responsse.outputstream ZIP file is this: Will give this a shot.
Anyway, this is what I do and it works fairly well for me: If we run the app and call the controller we will download a CSV file as this: I was tired of my clients asking me how to import a CSV in Excel. The file attribute can be assigned a byteFileInputStream or String value. On Wed, Jul 30, at 1: Stream whenever I close the window before the full audio file gets to play.
We have fixed this problem in our applications by adding a static utility method: Tell the browser that your output is binary and the filename for download: In the following controller we find an image in our application using grailsResourceLocator. I wrote a post; in Spanish though.
Grails Goodness: Render Binary Output with the File Attribute – Messages from mrhaki
Other than that, so far things are ok. A weekly curated email newsletter about the Groovy ecosystem. Are you facing any problems with that?
Learn more about retrieving config values. In reply to this post by Lauk Daniel. I’m glad it was useful to you, and thanks for the additional info for anybody else who needs this! Sign up or log in Sign up using Google.
I also typed the methods as void perhaps I am still too Java-fussy? Then we use the render method and the file and contenType attributes grailss render the image in a browser:.
Hi all, I have a controller which would stream file as response. Render the download page The controller and view code to display the download page should be simple: And also the second file: Since Grails 2 we can render binary output with the render method and the file attribute.
Grails Programmer : How to output CSV from a Grails 3 Controller | Sergio del Amo
We have fixed this problem in our applications by adding a static utility method:. Free forum by Nabble. The BootStrap init closure runs when the app starts.
C If you want the file to download you need to setup the Content-disposition header. Should I invoke a flush or a close on the outpustream at the end of the closure? You can fix this by adding CompileStatic to your method, but that is not always feasible. Handler dispatch failed; nested exception is java. Your email address will not be published. On Wed, Jul 30, at 9: Nov 18, Example Application comments.
Then we use the render method and the file and contenType attributes to render the image in a browser: If I recall correctly, the left shift operator here uses some annotation or something clearly I don’t remember details!
Posted by Hubert Klein Ikkink.