From e90bbc7fe3898f8dc991f5c78f385dd918afe2df Mon Sep 17 00:00:00 2001 From: mike Date: Tue, 11 Oct 2005 11:31:40 +0000 Subject: [PATCH] Overview of the three APIs. --- README | 48 +++++++++++++++++++++++++++++++++--------------- 1 file changed, 33 insertions(+), 15 deletions(-) diff --git a/README b/README index 032c265..f3b77f6 100644 --- a/README +++ b/README @@ -1,16 +1,29 @@ -Net-Z3950-ZOOM version 0.01 -=========================== +$Id: README,v 1.3 2005-10-11 11:31:40 mike Exp $ -The README is used to introduce the module and provide instructions on -how to install the module, any machine dependencies it may have (for -example C compilers and installed libraries) and any other information -that should be provided before the module is installed. +The Net::Z3950::ZOOM, ZOOM and Net::Z3950 modules +================================================= + +This distribution contains three Perl modules for the price of one. +They all provide facilities for building information retrieval clients +using the standard Z39.50 and SRW/U protocols, but do so using +different APIs. + +- If you are new to this distribution, then you should use the ZOOM + API, and ignore the others. It is the cleanest, most elegant and + intuitive, and most closely follows the letter as well as the spirit + of the Abstract ZOOM API as specified at http://zoom.z3950.org/api/ + +- If you have used the old Net::Z3950 module and have to maintain an + application that calls that API, then you will want to use the + Net::Z3950 classes provided in this distribution, which provide an + API compatible with the old module's implemented on top of the new + ZOOM code. + +- You should definitely not use the Net::Z3950::ZOOM API, which is not + object-oriented, and instead provides the thinnest possible layer on + top of the ZOOM-C functions in the YAZ toolkit. This API exists + only in order to have ZOOM API built on top of it. -A README file is required for CPAN modules since CPAN extracts the -README file from a module distribution so that people browsing the -archive can use it get an idea of the modules uses. It is usually a -good idea to provide version information here so that people can -decide whether fixes for the module are worth downloading. INSTALLATION @@ -21,17 +34,22 @@ To install this module type the following: make test make install + DEPENDENCIES This module requires these other modules and libraries: - blah blah blah +- The YAZ toolkit for Z39.50 and SRW/U communication. This is + available as a package on several platform -- for example, Debian + GNU/Linux supports "apt-get install yaz". For others, you will need + to download and build the source-code, which is much more + straightforward that you probably expect. You can get it from + http://indexdata.com/yaz/ -COPYRIGHT AND LICENCE -Put the correct copyright and licence information here. +COPYRIGHT AND LICENCE -Copyright (C) 2005 by Mike Taylor +Copyright (C) 2005 by Index Data. This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.4 or, -- 1.7.10.4