Re: In need of something like RandomAccessFile.read(char[] cAr, int off, int len)

From:
Knute Johnson <nospam@rabbitbrush.frazmtn.com>
Newsgroups:
comp.lang.java.programmer
Date:
Wed, 12 Mar 2008 15:24:12 -0700
Message-ID:
<47d82091$0$1640$b9f67a60@news.newsdemon.com>
Mike Schilling wrote:

Knute Johnson wrote:

lbrtchx@gmail.com wrote:

~

http://java.sun.com/j2se/1.4.2/docs/api/java/io/RandomAccessFile.html
~
 has:
~
public int read(byte[] b,
                int off,
                int len)
         throws IOException
~
 But I need to read in and compare chars/Unicode
~
 I have tried many things but I haven't been able to find out how
~
 What kind of carpentry do you do with I/O objects to achieve such
a
thing?
~
 Thanks
 lbrtchx

Besides RandomAccessFile.readChar() you could get a FileChannel,
read
in a buffer and convert it to a CharBuffer. But seek() and
readChar()
ought to be adequate.


ISTM that there should be an InputStream subclass that reads bytes
from a RandomAccessFile starting at a given offset. It's not
difficult to construct, but why doesn't it come standard?


It does. He wanted to read chars and that is alittle more complicated
because you have to read two bytes at a time.

Of course that is what he really wanted.

--

Knute Johnson
email s/nospam/linux/

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