1/* $Id$ 2 3 Part of SWI-Prolog 4 5 Author: Jan Wielemaker 6 E-mail: firstname.lastname@example.org 7 WWW: http://www.swi-prolog.org 8 Copyright (C): 1985-2005, University of Amsterdam 9 10 This program is free software; you can redistribute it and/or 11 modify it under the terms of the GNU General Public License 12 as published by the Free Software Foundation; either version 2 13 of the License, or (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU Lesser General Public 21 License along with this library; if not, write to the Free Software 22 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 24 As a special exception, if you link this library with other files, 25 compiled with a Free Software compiler, to produce an executable, this 26 library does not by itself cause the resulting executable to be covered 27 by the GNU General Public License. This exception does not however 28 invalidate any other reasons why the executable file might be covered by 29 the GNU General Public License. 30*/ 31 32:- module(api_journal, ). 33:- use_module(library(semweb/rdf_persistency)). 34:- use_module(user(user_db)). 35:- use_module(library('http/http_parameters')). 36:- use_module(library('http/mimetype')). 37:- use_module(library('http/http_dispatch')).
45:- http_handler(cliopatria(list_journals), list_journals, ). 46:- http_handler(cliopatria(journal), journal, ).
63list_journals(_Request) :- !, 64 authorized(read(default, list_journals)), 65 format('Content-type: text/xml~n~n'), 66 format('<journals>~n'), 67 forall(rdf_journal_file(DB, _File), 68 format(' <journal db="~w"/>~n', [DB])), 69 format('</journals>~n').
80journal(Request) :- !, 81 http_parameters(Request, 82 [ 'DB'(DB, [description('URI for the named graph')]) 83 ], 84 [ 85 ]), 86 authorized(read(DB, read_journal)), 87 ( rdf_journal_file(DB, Path) 88 -> http_reply_file(Path, [mime_type(text/'x-prolog')], Request) 89 ; existence_error(http_location, DB) 90 )