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From "Tim O'Brien" <tobr...@discursive.com>
Subject RE: [io] Filename prefixes
Date Mon, 22 Nov 2004 03:15:48 GMT
Stephen,

What happens to getExtension() when there is no "." character?  Also,
what is there are multiple ".", are you thinking name.substring(
name.lastIndexOf( "." ) + 1 )?

What does getPrefix() return on Unix? Nothing?

Tim

> -----Original Message-----
> From: Stephen Colebourne [mailto:scolebourne@btopenworld.com] 
> Sent: Sunday, November 21, 2004 7:18 PM
> To: Jakarta Commons Developers List
> Subject: Re: [io] Filename prefixes
> 
> Basically it looks like we'll need:
> 
> getPrefix()  - C:\
> getPath()  - dev\project
> getFullPath()  - C:\dev\project
> getName()  - file.txt
> getExtension()  - txt
> (input  C:\dev\project\file.txt)
> 
> Normalize/catPath can then use the other methods to stitch 
> together a result.
> 
> Naming:
> catPath() should be renamed to concat()
> getFullPath()/getPath() - are these logical names?
> 
> Stephen
> 
> ----- Original Message -----
> From: "Martin Cooper" <mfncooper@gmail.com>
> > On Mon, 22 Nov 2004 01:03:28 -0000, Stephen Colebourne 
> > <scolebourne@btopenworld.com> wrote:
> > > In order to write the normalize() method properly, I 
> realised that 
> > > we
> have
> > > to deal with filename prefixes properly. The point being that you 
> > > can't
> ..
> > > up into a filename prefix.
> > >
> > > Here's the javadoc for the method I'm writing. Does this cover the
> cases?
> >
> > Looks good to me. I can't think of any other options, at least for 
> > Windows and Unix.
> >
> > --
> > Martin Cooper
> >
> >
> > >
> > >    /**
> > >     * Returns the length of the filename prefix, such as
> <code>C:/</code>
> > > or <code>~/</code>.
> > >     * <p>
> > >     * This method will handle a file in either Unix or 
> Windows format.
> > >     * The prefix includes the first slash in the full filename.
> > >     * <pre>
> > >     * Windows:
> > >     * a\b\c.txt           --> ""          --> relative
> > >     * \a\b\c.txt          --> "\"         --> drive relative
> > >     * C:\a\b\c.txt        --> "C:\"       --> absolute
> > >     * \\server\a\b\c.txt  --> "\\server\" --> UNC
> > >     *
> > >     * Unix:
> > >     * a/b/c.txt           --> ""          --> relative
> > >     * /a/b/c.txt          --> "/"         --> absolute
> > >     * ~/a/b/c.txt         --> "~/"        --> current 
> user relative
> > >     * ~user/a/b/c.txt     --> "~user/"    --> named user relative
> > >     * </pre>
> > >     *
> > >     * @param filename  the filename to find the prefix in, null
> returns -1
> > >     * @return the length of the prefix, -1 if invalid or null
> > >     */
> > >
> > > Stephen
> > >
> > > 
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> >
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