On Sun, Jan 11, 2009 at 7:25 AM, Marius <[email protected]> wrote:
> > Ummm ... Does it really need to return a DispatchPf? It could create > internally the DispatchPF as just append it to LiftRules dispatch > list. > It's a slippery slope into mutable state. If the calls that actually mutate state are limited, life is better (okay, maybe that's an exaggeration) :-) > > On Jan 11, 5:09 pm, "David Pollak" <[email protected]> > wrote: > > I think something like: > > createFileHandler(path: List[String], nameOfFileParam: String, > > returnContentType: String)(f: Array[Byte] => Array[Byte]): DispatchPF > > > > would be a cool method. It would build the DispatchPF for you and all > you > > need do is supply the transformation function. If you wanted to get > fancy > > and do access control, etc., you'd have to write your own. > > > > > > > > On Sun, Jan 11, 2009 at 7:00 AM, Marius <[email protected]> wrote: > > > > > I wonder if it makes sense to have a built-in DispatchPF to ease up > > > things so that user to just provide a (FileParamHolder => > > > LiftResponse) > > > > > perhaps something like: > > > > > FIleUploader.init { > > > > > case (path, fileParamHolder ) => a LiftResponse > > > > > } > > > > > ... internally it will just add itsellf as a DispathPf > > > > > Br's, > > > Marius > > > > > On Jan 11, 3:43 pm, "David Pollak" <[email protected]> > > > wrote: > > > > Alli, > > > > Yes, I think your want to go with a DispatchPF to handle the > destination > > > of > > > > the POST request from your Flash component. > > > > > > DispatchPF { > > > > case r @ Req("upload" :: "thing" :: Nil, "", PostRequent) if > > > > r.uploadedFiles.exists(_.name == "upload") => > > > > () => { > > > > val uploadedFile = r.uploadedFiles.find(_.name == "upload").get > > > > val fileBytes = uploadedFile.file > > > > ... do stuff here > > > > val newFileBytes: Array[Byte] > > > > val headers: List[(String, String)] > > > > Full(InMemoryResponse(newFileBytes, headers, Nil /* no cookies > sent > > > back > > > > */, 200)) > > > > } > > > > > > } > > > > > > Thanks, > > > > > > David > > > > > > On Sun, Jan 11, 2009 at 4:52 AM, Alli <[email protected]> wrote: > > > > > > > I'm not sure how i would hook SHtml.fileUpload into this because > > > > > swfupload lets me configure an URL > > > > > that it will post to for each file uploaded, I don't even need a > form > > > > > to do this (this is all flash/swf). I currently > > > > > have a LiftView subclass that handles it and is processing it like > > > > > this: > > > > > > > S.request match { > > > > > case Full(req) => > > > > > req.uploadedFiles.foreach { file: FileParamHolder => > > > > > println("Name: " + file.name) > > > > > println("File name: " + file.fileName) > > > > > resizeAndSave(file) > > > > > } > > > > > > > case _ => > > > > > } > > > > > > > I guess the only thing I need to change is using a custom dispatch > > > > > instead of the view in order to return my own LiftResponse instead > of > > > > > a NodeSeq > > > > > back to the client. > > > > > > > Cheers, > > > > > Alli > > > > > > > On Jan 11, 12:37 pm, Marius <[email protected]> wrote: > > > > > > Alli are you using SHtml.fileUpload ... or you want to upload it > > > > > > "manually" processing everything in your dispatch? .. I'd opt in > for > > > > > > SHtml.fileUpload because there is a bunch of stuff Lift does for > you. > > > > > > > > On Jan 11, 5:12 am, Alli <[email protected]> wrote: > > > > > > > > > Yeah I think I need to add a custom dispatch function and make > that > > > > > > > return my own response. I was actually > > > > > > > hoping I could do this straight from the snippet instead of > having > > > to > > > > > > > redirect, makes the whole thing more complex. > > > > > > > > > On Jan 11, 12:41 am, Marc Boschma > > > > > > > <[email protected]<marc%[email protected]> > <marc%[email protected] <marc%[email protected]>> > > > <marc%[email protected] <marc%[email protected]> < > marc%[email protected] <marc%[email protected]>>>> > > > > > wrote: > > > > > > > > > > I'm not an expert but I would model a Response class in much > the > > > same > > > > > > > > > > way as: > > > > > > > > > > package net.liftweb.http > > > > > > > > > > object PlainTextResponse { > > > > > > > > def apply(text: String): PlainTextResponse = > > > > > > > > PlainTextResponse(text, Nil, 200) > > > > > > > > def apply(text: String, code: Int): PlainTextResponse = > > > > > > > > PlainTextResponse(text, Nil, code) > > > > > > > > } > > > > > > > > > > case class PlainTextResponse(text: String, headers: > > > List[(String, > > > > > > > > > > String)], code: Int) extends LiftResponse { > > > > > > > > def toResponse = { > > > > > > > > val bytes = text.getBytes("UTF-8") > > > > > > > > InMemoryResponse(bytes, ("Content-Length", > > > > > > > > bytes.length.toString) :: ("Content-Type", "text/plain") :: > > > headers, > > > > > > > > > > Nil, code) > > > > > > > > } > > > > > > > > } > > > > > > > > > > from TextResponse.scala. Look at InMemoryResponse or possibly > > > > > > > > StreamingResponse in Response.scala. > > > > > > > > > > Marc > > > > > > > > > > On 11/01/2009, at 4:27 AM, Alli wrote: > > > > > > > > > > > Hey, I have been searching the list and also the > liftweb.netwiki > > > > > and > > > > > > > > > haven't found a way to do this: > > > > > > > > > > > I have a form to upload a file that I want to manipulate > and > > > send > > > > > back > > > > > > > > > to the client. When sending it back I am using S.setHeader > to > > > set > > > > > the > > > > > > > > > content type, disposition etc but I haven't found a way to > > > write > > > > > the > > > > > > > > > file back to the response. What I think I need is access to > the > > > > > > > > > response's printwriter (response.getWriter()) instance. Any > > > help > > > > > would > > > > > > > > > be greatly appreciated. > > > > > > > > > > > Cheers, > > > > > > > > > Alli > > > > > > -- > > > > Lift, the simply functional web frameworkhttp://liftweb.net > > > > Collaborative Task Managementhttp://much4.us > > > > Follow me:http://twitter.com/dpp > > > > Git some:http://github.com/dpp > > > > -- > > Lift, the simply functional web frameworkhttp://liftweb.net > > Collaborative Task Managementhttp://much4.us > > Follow me:http://twitter.com/dpp > > Git some:http://github.com/dpp > > > -- Lift, the simply functional web framework http://liftweb.net Collaborative Task Management http://much4.us Follow me: http://twitter.com/dpp Git some: http://github.com/dpp --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Lift" group. 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