Tim,
I'm not clear that how to do use the caching proxy and maps a URL to
the dispatcher.
I didn't find the archive about the SoftReferenceCache.
Is there some exmaple that descript how to use is ~?
:)
Thanks very much!
Cheers,
Neil
On Nov 15, 6:33 pm, Timothy Perrett <timo...@getintheloop.eu> wrote:
> Neil,
>
> If you want to save the byte array, save it into the database, then just
> write a caching proxy that maps a URL to the dispatcher. That is, use
> SoftReferenceCache to cache the database read so that the next time the image
> is requested there is no database hit.
>
> This has been discussed a fair few times on the list if i remember rightly,
> so best off searching the archives if your not sure where to start.
>
> Cheers, Tim
>
> On 15 Nov 2009, at 04:16, Neil.Lv 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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