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Re: classpath/java/io

From: Mark Wielaard
Subject: Re: classpath/java/io
Date: 20 Jul 2003 00:40:22 +0200


On Sat, 2003-07-19 at 14:36, Torsten Rupp wrote:
> Modified files:
>       java/io        : 
> Log message:
>       canWrite(): set prefix for temporary file to "tmp" to make methode 
> usable on
>       systems with DOS-style filesystems (8+3-limitation)

This makes sense since it makes us more usable even on some file

>       createTempFile(): limit length of filename from temporary file to
>       8-length(prefix) to make methode usuable on systems with DOS-style
>       filesystems (8+3-limitation)

             // Now process the prefix and suffix.
             if (prefix.length () < 3)
        -      throw new IllegalArgumentException ("Prefix too short: " + 
        +      throw new IllegalArgumentException ("Prefix too short: " + 
prefix + "(valid length 3..7)");
        +    if (prefix.length() >= 8)
        +      throw new IllegalArgumentException("Prefix too long: " + prefix 
+ "(valid length 3..7)");

But is this really necessary on "normal" systems?
My java class libraries book says that the prefix and suffix may be
shortened to produce a valid filename on the underlying system.
But this actually prevents using a long (descriptive) prefix even on
systems that allow them. Is there documentation or behavior with other
systems that mandate this? If not then I think you should revert this
part and find a way to properly truncate the prefix on systems that need



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