Java ajax download file

Octet, "file. This is the best answer I have found for the case I am working on. NET — informatik Submitting a form will not send a JSON, which was required in the questions, so this answer is incorrect.

As the comments said you can't do it with an ajax call, but you can do it with plain Javascript. Thanks, but the file isn't already on server side. Yep I missed that. No JavaScript is needed. Sign up or log in Sign up using Google.

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The Overflow Blog. Who owns this outage? Building intelligent escalation chains for modern SRE. Podcast Who is building clouds for the independent developer? Featured on Meta. Now live: A fully responsive profile. Reducing the weight of our footer. I tried a few things but nothing worked.

This way the parent page will just stay open, if that was your major concern why would you unnecessarily have chosen Ajax for this otherwise? Besides, there is no way to handle this nicely acynchronously. PDF is not character data. You want to use completely new request for this. This form is appended to the document and posted to the desired URL. Right after that the form is removed again:. This is how i solve this issue. Possible values of responseType property are empty string default , arraybuffer , blob , document , json , and text.

For simply downloading binary files use blob as the response type. For complex cases where you need to download a file and then manipulate the file's bytes - for example if you are building a Javascript "PPT Viewer", set arraybuffer as the response type. Through this you can get the percentage of the file downloaded.