Re: Download file..
Re: Download file..
- Subject: Re: Download file..
- From: David Griffith <email@hidden>
- Date: Wed, 24 Mar 2004 23:38:34 +0100
Hi,
I haven't actually tried to do this, but maybe it is because you need to
cast the return value as NSData? Although I guess it probably gives back
NSData anyway. Sorry, didn't have time to check.
Dave.
> You'll need to create a new WOComponent. Or just a class file that
> extends from WOComponent.
>
> Then override the appendToResponse and set the response content to the
> data that you want to return. The tricky part is setting the mime type
> correctly.
>
>
> public void appendToResponse(WOResponse response, WOContext context) {
> super.appendToResponse(response, context);
> NSData content = yourDownloadableData();
> if (content != null) {
> response.setContent(content);
> response.setHeader(new String("inline; filename=\"" +
> "thefilename.ext" + "\""), new String("content-disposition"));
> response.setHeader(Integer.toString(content.length()), new
> String("content-length"));
> response.setHeader(new String("CORRECTMIMETYPE; name=\"" +
> "thefilename.ext" + "\""), new String("content-type"));
> }
> }
>
>
> .steve
>
>
>
>
> On Mar 24, 2004, at 9:37 AM, James Cicenia wrote:
>
>> Hello -
>>
>> Well for better or for worse I have decided to save my documents in the
>> database.
>> I made two EOs for this.. one to list them and then one to hold the
>> actual BLOB.
>> I am using mySQL for this.
>>
>> I have successfully uploaded the file into the database. I now have a
>> page that lists
>> the files. I then created a hyperlink to bind to my download method:
>>
>> public NSData downloadableData() {
>> NSData downloadable = null;
>> try {
>> downloadable =
>> theDocumentItem.projectDocumentObject().documentObject();
>> } catch (NullPointerException npe) {
>> System.err.println("Error: " + npe);
>> }
>> return downloadable;
>> }
>>
>>
>> This however always gives me ClassCastException. Any thoughts?
>>
>> Thanks,
>> James Cicenia
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>
>
>
> ///---------------------------------------
> steve stout
> web coordinator
> arizona student unions
> 52o.626.o1o9
>
> http://www.union.arizona.edu
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