On Thu, Jan 1, 2009 at 11:13, André Warnier <a...@ice-sa.com> wrote: > Hi. > > This has nothing specific to Tomcat, it's just a problem I'm having as a > non-java expert in modifying an exiting webapp. > I hope someone on this list can answer quickly, or send me to the > appropriate place to find out. I have tried to find, but get somewhat lost > in the Java docs. > > Problem : > an existing webapp reads from a socket connected to an external program. > The input stream is created as follows : > fromApp = socket.getInputStream(); > The read is as follows : > StringBuffer buf = new StringBuffer(2000); > int ic; > while((ic = fromApp.read()) != 26 && ic != -1) // hex 1A (SUB) > buf.append((char)ic); > > This is wrong, because it assumes that the input stream is always in an > 8-bit default platform encoding, which it isn't. > > How do I do this correctly, assuming that I do know that the incoming stream > is an 8-bit stream (like iso-8859-x), and I do know which 8-bit encoding is > being used (such as iso-8859-1 or iso-8859-2) ? > I cannot change the InputStream into something else, because there are a > zillion other places where this webapp tests on the read byte's value, > numerically. > > I mean, to append correctly to "buf" what was read in the "int", knowing > that the proper encoding (charset) of "fromApp" is "X", how do I write this > ? > > Thanks.
Another option: Read the bytes into a ByteBuffer, then convert the bytes into a string. You can tell the String constructor which charset to use. -- Len
