GRAILS RESPONSE.OUTPUTSTREAM PDF

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.

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Grails Programmer : How to output CSV from a Grails 3 Controller

What happens is that whenever I access it, Firefox brails up Totem plugin which streams the file from the controller.

Then we use the render method and the file and contenType attributes to render the image in a browser:. 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. CSV is probably the best format to export your data from a Grails App. September 5, Grails Goodness: C If you want the file to download you need to setup the Content-disposition header. In the following controller we find an image in our application using grailsResourceLocator. response.outpuutstream

Grails Programmer : How to output CSV from a Grails 3 Controller | Sergio del Amo

We can use the fileName attribute to set a filename for the binary content. Posted by Hubert Klein Ikkink. And also the second file: Other than that, so far things are ok.

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On Wed, Jul 30, at 1: If we run the app and call the controller we will download a CSV file as this: Tell the browser that your output is binary and the filename for download: We have fixed this problem in our applications by adding a static utility method:.

Stack Overflow works best with JavaScript enabled. On Wed, Jul 30, at 2: Sign up or log in Sign up using Google. Most browser will then automatically download the binary content, so it can be saved on disk. Just instantiate ZipOutputStream passing response. Sign up using Facebook.

Grails Example Application – Download / Export ZIP File – Grails Cookbook

Hi all, I have a controller which would stream file as response. I know we worked on this one for a while! I’m glad it was useful to you, and thanks for the additional info for anybody else who needs this!

For reference in case others stumble over the same problem, I had to import groovy. Learn more about retrieving config values. In reply to this post by Lauk Daniel. On Wed, Jul 30, at 9: Then we use the render method and grqils file and contenType attributes to render the image in a browser: I will then get an IllegalStateException: Render the download page.

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Stream whenever I close the window before the full audio file gets to play. Response.ouhputstream a controller I have a method that appends a string to the response. Generally things are working but today we ran across a problem that seems to be shared by others but I cannot find a solution.

Proper way to stream file from controller

This is nice and clean and works just fine. Thanks If you are using Grails 2, just change the setConfiguration part to this: Free forum by Nabble. On click, a download confirmation will be shown instead of the browser trying to render the content: Your email address will not be published. The full source code for this example can be viewed here or can be downloaded here. I also typed the methods as void perhaps I am still too Java-fussy?

A CSV file is easy to import in Excel. My code is only a little different, in that I don’t set the “Content-disposition” header and flush afterwards. Creating a ZIP file for download is easy.

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