The file not found error may be because the directory doesn't exist. Try
calling file.mkdirs first.
-------------------------------------
Neil.Lv<anim...@gmail.com> wrote:
I want to save the images to a directory, because this images will
be used in the flash params.
This file path will be used in the javascript code .
###
var imag=new Array();
imag[3]="/images/01.jpg";
###
Cheers,
Neil
On Nov 15, 12:05 pm, "Neil.Lv" <anim...@gmail.com> wrote:
> Hi all,
>
> Thanks for your tips, and I have some silly question about this.
>
> 1:) a directory that's not part of the app's exploded WAR file
>
> The direcotry tree like this, and Where is i can create a well
> defined directory
> that's not part of the app's exploded WAR file ? I'm not familiar
> with this.
>
> ###
> demo
> --src
> --main
> --resources
> --i18n
> --props
> --scala
> --webapp
> --test
> --target
> ###
>
> 2:) If I store images to the RDBMS, and how can it be shown in the
> webpage ?
> ###
> FileParamHolder(_, mime, name, data)
> ....
> item.receipt(data).receiptMime(mime) // ( Array[Byte] that saved
> into database )
> ###
>
> :)
>
> Thanks very much !
>
> Cheers,
> Neil
>
> On Nov 15, 5:43 am, David Pollak <feeder.of.the.be...@gmail.com>
> wrote:
>
> > On Sat, Nov 14, 2009 at 10:25 AM, Neil.Lv <anim...@gmail.com> wrote:
>
> > > Tim,
>
> > > haha, yeah.
>
> > > I use this code to get the images folder(the full path) of the app.
>
> > > LiftRules.getResource("/images/").open_!.toString.substring(6)
> > > (The code is so redundant !)
> > > -> G:\project\demo\src\main\webapp\images\
>
> > You cannot rely on being able to write to a directory in an application.
> > This is dependent on how the specific web app container handles things, but
> > I would strongly suggest you write images to a directory that's not part of
> > the app's exploded WAR file. And "strongly" is a very weak description of
> > how forceful I'm being about this. This kind of code may change behaviour
> > between your dev box and production, between versions of your app container.
>
> > If you want to store images to serve, either use a well defined directory
> > outside your WAR file or put stuff in your RDBMS or put stuff up on Amazon
> > (like Twitter does with images). Amazon has much better infrastructure for
> > dealing with serving static content than just about anyone else.
>
> > > :)
>
> > > Thank you very much !
>
> > > Cheers,
> > > Neil
>
> > > On Nov 15, 1:50 am, Timothy Perrett <timo...@getintheloop.eu> wrote:
> > > > Hmm, I guess you must be new to the JVM - you cant write a file inside a
> > > WAR file; it does not work like that.
>
> > > > You'll need to write to a fully qualified path (as per my example).
>
> > > > Cheers, tim
>
> > > > On 14 Nov 2009, at 17:34, Neil.Lv wrote:
>
> > > > > It show this error message:
>
> > > > > ERROR - java.io.FileNotFoundException: \images\003.jpg
>
> > > > > ######### this is the code
>
> > > > > val receiptOk = fileHolder match {
> > > > > case Full(FileParamHolder(_, null, _, _)) => true
> > > > > case Full(FileParamHolder(_, mime, name, data))
> > > > > if mime.startsWith("image/") => {
> > > > > var buff = new java.io.BufferedInputStream(new ByteArrayInputStream
> > > > > (data))
> > > > > try {
> > > > > var fos = new java.io.FileOutputStream(new File("/images/" +
> > > > > name))
> > > > > var in = 0
> > > > > do {
> > > > > in = buff.read()
> > > > > if (in != -1){
> > > > > fos.write(in)
> > > > > }
> > > > > } while((in != -1))
> > > > > fos = null
> > > > > in = 0
> > > > > } catch {
> > > > > case e => Log.error(e)
> > > > > } finally {
> > > > > buff.close()
> > > > > }
> > > > > buff = null
> > > > > true
> > > > > }
> > > > > case Full(_) => {
> > > > > S.error(S.??("invalid.receipt.attachment"))
> > > > > false
> > > > > }
> > > > > case _ => true
> > > > > }
>
> > > > > #########
>
> > > > > Maybe this code is wrong ?
>
> > > > > new File("/images/" + name)
>
> > > > > I want to save it in the main\webapp\images\ folder.
> > > > > -> main\webapp\images\ 003.jpg
>
> > > > > :)
>
> > > > > Cheers,
> > > > > Neil
>
> > > > > On Nov 15, 12:23 am, Timothy Perrett <timo...@getintheloop.eu> wrote:
> > > > >> Neil,
>
> > > > >> Try something like:
>
> > > > >> var buff = new java.io.BufferedInputStream(input)
> > > > >> try {
> > > > >> var fos = new java.io.FileOutputStream(new File("/some/root/
> > > > >> filepath/" + image_hash_filename))
> > > > >> var in = 0
> > > > >> do {
> > > > >> in = buff.read()
> > > > >> if (in != -1){
> > > > >> fos.write(in)
> > > > >> }
> > > > >> } while((in != -1))
> > > > >> fos = null
> > > > >> in = 0} catch {
>
> > > > >> case e => Log.error(e)
>
> > > > >> } finally {
> > > > >> buff.close()
> > > > >> }
> > > > >> buff = null
> > > > >> }
>
> > > > >> In my case, I had the data as an input stream - manipulate this code
> > > > >> to take it however you need.
>
> > > > >> Cheers, Tim
>
> > > > >> On Nov 14, 7:55 am, "Neil.Lv" <anim...@gmail.com> wrote:
>
> > > > >>> Here is some code , but it's wrong!
>
> > > > >>> --> java.io.FileNotFoundException: \images\1.jpeg
>
> > > > >>> if mime.startsWith("image/") => {
> > > > >>> try{
> > > > >>> var file: File = new File("/images/1.jpeg");
> > > > >>> var fos:FileOutputStream = new FileOutputStream(file);
> > > > >>> fos.write(data)
> > > > >>> } catch {
> > > > >>> case e => println("exception: " + e)
> > > > >>> }
> > > > >>> e.receipt(data).receiptMime(mime)
> > > > >>> true
> > > > >>> }
>
> > > > >>> I don't know how to write the code in the try catch statement.
>
> > > > >>> Does anyone can help me ?~
>
> > > > >>> Thanks very much !
>
> > > > >>> Cheers,
> > > > >>> Neil
>
> > > > >>> On Nov 14, 1:58 pm, "Neil.Lv" <anim...@gmail.com> wrote:
>
> > > > >>>> Hi all,
>
> > > > >>>> How to save the uploaded image into the folder via fileUpload in
> > > > >>>> Lift?
>
> > > > >>>> I don't want to save it in the database, the example code in the
> > > > >>>> Pocketchangeapp
>
> > > > >>>> ###
> > > > >>>> val receiptOk = fileHolder match {
> > > > >>>> case Full(FileParamHolder(_, null, _, _)) => true
> > > > >>>> case Full(FileParamHolder(_, mime, _, data))
> > > > >>>> if mime.startsWith("image/") => {
> > > > >>>> // How can i save the data into a image in the folder.
> > > > >>>> e.receipt(data).receiptMime(mime)
> > > > >>>> true
> > > > >>>> }
> > > > >>>> case Full(_) => {
> > > > >>>> S.error("Invalid receipt attachment")
> > > > >>>> false
> > > > >>>> }
> > > > >>>> case _ => true
> > > > >>>> }
> > > > >>>> ###
>
> > > > >>>> To save the image into the webapp\images folder, and it's shown
> > > > >>>> just use this link:
> > > > >>>> /images/img1.jpg
>
> > > > >>>> Thanks for any suggestion!
>
> > > > >>>> Cheers,
> > > > >>>> Neil
>
> > --
> > Lift, the simply functional web frameworkhttp://liftweb.net
> > Beginning Scalahttp://www.apress.com/book/view/1430219890
> > Follow me:http://twitter.com/dpp
> > Surf the harmonics
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