Re: Download file..
Re: Download file..
- Subject: Re: Download file..
- From: James Cicenia <email@hidden>
- Date: Wed, 24 Mar 2004 23:18:37 -0600
Hello -
I am confused where to put this appendToResponse. It can't be on my
listing page as the appendToResponse will always be triggered.
There will be a list of documents and that WOComponent will create the
list, bind the item, etc.. so, where do I put the appendToResponse?
-James
On Mar 24, 2004, at 12:56 PM, steve stout wrote:
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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