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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On Wed, Jul 30, at 1: You may need to add additional method signatures so that they can be statically compiled but the concept is the same. Use TAB for completion: Search everywhere only in this topic. My code is only a little different, in that I don’t set the “Content-disposition” header and flush afterwards.
Tesponse import static org. I wrote a post; in Spanish though.
The Grails Framework
I know we worked on this one for a while! I was tired of my clients asking me how to import a CSV in Excel. I also typed the methods as void perhaps I am still too Java-fussy? In a controller I have a method that appends a string to the response. I have responsr it beneficial frails use some of the new ‘Groovy’ methods on the File class in particular the File. Dynamic Productivity for the Java Developer’, author: Grails will try to find the content type based on the extension of the filename.
The BootStrap init rezponse runs when the app starts. I probably came across the reeponse post Render Binary Output with the File Attribute.
Grails Programmer : How to output CSV from a Grails 3 Controller
I should add that I had tried a similar approach following another StackExchange post maybe yours? Most browser will then automatically download the binary content, so it can be saved on disk. Newer Post Older Post Home.
Then we use the render method and the file and contenType attributes to render the image in a browser:. Daniel 1, 1 3 Anyway, this is what I do and it works fairly well for me: Generally things are working but today we ran across a problem that seems to be shared by others but I cannot find a solution. I have a Grails application that I have recently upgraded to 3.
Since Grails 2 we can render binary output with the render method and the file attribute.
If the byte arrays in your examples are large, or if ohtputstream ‘download’ action is called frequently, you could run into problems. ServletOutputStream to make this work.
Grails Goodness: Render Binary Output with the File Attribute – Messages from mrhaki
Handler dispatch failed; nested exception is java. Other than that, so far things are ok. Thanks If you are using Grails 2, just change the setConfiguration part to this: Free forum by Nabble. On Wed, Jul 30, at 9: Grails will try to determine the content type for files, but we can also use the contentType attribute to set the content type.
Stream whenever I close the window before the full audio file gets to play. A weekly curated email newsletter about the Groovy ecosystem. Sign up or log in Sign up using Google. Email Required, but never shown. Notify me of follow-up comments by email. C If you want the file to download you need to setup the Content-disposition header. If the answer is yes, subscribe to Groovy Calamari. For reference in case others stumble over the same problem, I had to import groovy.