Re: AW: AW: getEncodingFromStream from UnicodeInputStream

> From: mailmur <mailmur@...>
> Subject: Re: AW: AW: getEncodingFromStream from UnicodeInputStream
> To: "Velocity Users List" <user@...>
> Date: Wednesday, July 22, 2009, 12:44 AM
>
> Here is an old v1.6 example but principal applies to a
> current release.
> http://koti.mbnet.fi/akini/java/unicodereader/
> http://koti.mbnet.fi/akini/java/unicodereader/UnicodeLoaderForVelocity.zip
>
> resource.loader = file
> file.resource.loader.class =
> org.apache.velocity.runtime.resource.loader.FileResourceLoader
> file.resource.loader.unicode = true
>
> Yes, FileResourceloader with "unicode=true" attribute can
> handle all utf* and ansi encoding transparently. Encoding is
> autorecognized by BOM marker or fallback to a legacy ansi.
> We don't need or should tell a read encoding, its an
> internal bytesToChars issue handled by unicodeinputstream.
>    ...
>    Template template =
> Velocity.getTemplate(srcFile);
>    template.merge(context, out);
>    ...
>
> You should not use Velocity.getTemplate(name, encoding)
> method if used FileResourceLoader with unicode=true
> attribute. It voids all the wise purpose of
> FileResourceLoader unicode.
>
>
> --- On Tue, 7/21/09, Johann.Weber@...
> <Johann.Weber@...>
> wrote:
>
> > From: Johann.Weber@...
> <Johann.Weber@...>
> > Subject: AW: AW: getEncodingFromStream from
> UnicodeInputStream
> > To: user@...
> > Date: Tuesday, July 21, 2009, 10:14 AM
> > The UnicodeInputStream class is used
> > to load files with a BOM correctly. It knows the file
> > encoding but I can't use it.
> > If it is the case that I have to load files with a
> > different encoding (e.g. UTF-8 and UTF-16), I won't be
> able
> > to handle such a situation, because I must set the
> > input.encoding property or pass it to the getTemplate
> > method. Otherwise, the default encoding will be taken
> for
> > all files.
> >
> >
> > -----Ursprüngliche Nachricht-----
> > Von: mailmur [mailto:mailmur@...]
> >
> > Gesendet: Dienstag, 21. Juli 2009 08:22
> > An: Velocity Users List
> > Betreff: Re: AW: getEncodingFromStream from
> > UnicodeInputStream
> >
> >
> > I think you misunderstood a fundametal reason of the
> > UnicodeInputStream class. It is to use so that
> template
> > loaders don't need to tell an encoding so all is
> fully
> > transparent.
> >
> > getTemplate(name, encoding) method is an old legacy
> method
> > where we as a user must know the encoding beforehand.
> This
> > is very very unfortunate issue, something we should
> not
> > worry about in the first place.
> >
> > Its only FileResourceLoader class using the
> > UnicodeInputStream class. All other loaders don't use
> it,
> > this is a lack of Velocity loader implementation. If
> all
> > loaders was to use it then we just would use
> > getTemplate(name) and all is fine.
> >
> > FileResourceLoader does not use it as a default use,
> you
> > must tell "unicode=true" in a velocity.properties
> > configuration. Then you can forget the file encoding,
> ansi
> > and utf* templates are loaded properly.
> >
> > http://svn.apache.org/repos/asf/velocity/engine/trunk/src/java/org/apache/velocity/runtime/resource/loader/FileResourceLoader.java
> >
> >
> > --- On Tue, 7/14/09, Johann.Weber@...
> > <Johann.Weber@...>
> > wrote:
> >
> > > From: Johann.Weber@...
> > <Johann.Weber@...>
> > > Subject: AW: getEncodingFromStream from
> > UnicodeInputStream
> > > To: user@...
> > > Date: Tuesday, July 14, 2009, 9:36 AM
> > > It is in
> > >
> >
> org.apache.velocity.app.VelocityEngine.getTemplate(String
> > > name, String encoding)
> > > They sure do when you're using BOM in your
> templates.
> > I
> > > though it would be nice to use the encoding which
> was
> > > determined by UnicodeInputStream.
> > >
> > > -----Ursprüngliche Nachricht-----
> > > Von: mailmur [mailto:mailmur@...]
> > >
> > > Gesendet: Montag, 13. Juli 2009 21:16
> > > An: Velocity Users List
> > > Betreff: Re: getEncodingFromStream from
> > UnicodeInputStream
> > >
> > >
> > > I think its not possible, its basicly an
> internal
> > > bytesToChars issue to know about encoding.
> Textual
> > templates
> > > know nothing about byte storage they run at
> character
> > level
> > > nor know nothing about template loader instance
> was
> > used.
> > >
> > > What is it getTemplate() method you mean, can
> you
> > point me
> > > to the class?
> > > http://svn.apache.org/repos/asf/velocity/engine/trunk/src/java/org/apache/velocity/
> > >
> > >
> > >
> > > --- On Wed, 7/8/09, Johann.Weber@...
> > > <Johann.Weber@...>
> > > wrote:
> > > > From: Johann.Weber@...
> > > <Johann.Weber@...>
> > > > Subject: getEncodingFromStream from
> > > UnicodeInputStream
> > > > To: user@...
> > > > Date: Wednesday, July 8, 2009, 2:48 PM
> > > > Hi all,
> > > >
> > > > Is there a way to get the encoding
> information
> > from
> > > > UnicodeInputStream to use it in the
> > getTemplate()
> > > method?
> > > > How do I can use the encoding which was
> auto
> > detected
> > > in case of unicode file recognition?
> >
> >
> >      
> >
> >
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