Re: Writing Little Endian Binary Data (Was: Long in the...)

[Gregory Pierce <gregorypierce@mac.com>]

Yeah, its as good as any. It covers the information in good enough 
detail that you could figure out some of the stuff they kinda skim 
over. I've been waiting for better NIO books for a while now since NIO 
is truly the future of highly scalable Java server solutions.

On Thursday, April 10, 2003, at 11:26  AM, Scott P. Smith wrote:

> That sounds like the way to go, if you use JDK 1.4.  I was actually 
> about to
> buy the O'Reilly NIO book yesterday on Amazon, but did not complete the
> transaction.  I think I will today.  I've been meaning to look at it.
>
> I assume that's as good a book as any?
>
> Scott
>
>
> ----- Original Message -----
> From: "Gregory Pierce" <gregorypierce@mac.com>
> To: "Atlanta Java Users Group" <ajug-members@ajug.org>
> Sent: Thursday, April 10, 2003 11:16 AM
> Subject: Re: Writing Little Endian Binary Data (Was: Long in the...)
>
>
>> Just as an observation, I have been doing something similar - only
>> using the ByteBuffer classes in NIO and just changing the byteorder to
>> whatever order I needed the data in. Seemed to be easier and worked
>> cleanly with the Channel API in 1.4+.
>>
>> On Thursday, April 10, 2003, at 08:24  AM, Scott P. Smith wrote:
>>
>>> Rob,
>>>
>>> Someone mentioned the Apache POI project earlier.  The
>>> org.apache.poi.util
>>> package in that project has what you need, I think.  That project has
>>> do to
>>> all the kind of stuff you are doing, so the code is there somewhere.
>>> Look at
>>> the org.apache.poi.util.LittleEndian class.  It reads (and writes)
>>> different
>>> primitive data types from (to) a byte array.  Of course, you would 
>>> use
>>> this
>>> class in combination with a java.io.BufferedInputStream and/or a
>>> java.io.BufferedOutputStream.
>>>
>>> Scott Smith
>>>
>>> ----- Original Message -----
>>> From: "Rob Rutherford" <rrutherford@dglenn.com>
>>> To: "Atlanta Java Users Group" <ajug-members@ajug.org>
>>> Sent: Wednesday, April 09, 2003 10:47 PM
>>> Subject: Re: Looking for Long Tooth...
>>>
>>>
>>>>
>>>> Hello all,
>>>>
>>>> I'm new to AJUG, and fairly new to the Atlanta area, (actually
>>>> Columbus), and I've been lurking on the list for the past couple of
>>>> months.  This topic strikes me as highly relavant to what I'm doing
>>>> right now.
>>>>
>>>> I have a binary formatted file consisting of unsigned binary data
>>>> types,
>>>> (bytes through longs) with mixed big endian and little endian 
>>>> fields.
>>>> Does anybody have any suggestions for handeling such a beast?
>>>>
>>>>
>>>> Thanks
>>>> Rob Rutherford
>>>>
>>>>
>>>>
>>>> On Wed, 2003-04-09 at 09:31, Scott P. Smith wrote:
>>>>
>>>>> * Non-Java Binary File I/O - When working with binary files that 
>>>>> were
>>>>> created in C, C++, etc. you will see a lot of use of things like
>>> unsigned
>>>>> 16, and 32 bit values. Since Java doesn't support these, you have 
>>>>> to
>>>>> use
>>>>> bitwise operators to put the uint16 into a Java int32. And vise
>>>>> versa.
>>>>>
>>>>
>>>>
>>>>
>>>
>>
>>
>