[ http://issues.apache.org/jira/browse/VFS-99?page=all ]
Mario Ivankovits resolved VFS-99.
---------------------------------
Resolution: Fixed
> Changes in interface RandomAccessContent.
> -----------------------------------------
>
> Key: VFS-99
> URL: http://issues.apache.org/jira/browse/VFS-99
> Project: Commons VFS
> Issue Type: Wish
> Reporter: Elifarley Callado Coelho
>
> I think the interface RandomAccessContent should not extend DataOutput nor
> DataInput;
> Instead, it could declare the following new methods:
> 1) int read(byte b[], int off, int len) throws IOException;
> 2) void write(byte b[], int off, int len) throws IOException;
>
> 3) int pread(long pos, byte b[], int off, int len) throws IOException;
> 4) void pwrite(long pos, byte b[], int off, int len) throws IOException;
> Instead of changing this interface, a new one could be created
> (RandomAccessStream, maybe).
> Benefits:
> Currently, if a class implements this interface, it has to implement method
> "skipBytes", which is redundant since it already implements method "seek".
> It also has to implement 14 methods related to reading, which is also
> redundant since they can be expressed in terms of specific calls to more
> primitive methods such as those proposed above.
> In other words, I don't think different classes implementing
> RandomAccessContent (or RandomAccessStream) should all implement methods
> "readShort", "readInt"", "readLong", etc, since all implementations of them
> will be the same, if they are expressed in terms of calls to read(byte b[],
> int off, int len).
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