01: /*
02: * This file is part of "SnipSnap Radeox Rendering Engine".
03: *
04: * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
05: * All Rights Reserved.
06: *
07: * Please visit http://radeox.org/ for updates and contact.
08: *
09: * --LICENSE NOTICE--
10: * Licensed under the Apache License, Version 2.0 (the "License");
11: * you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * Unless required by applicable law or agreed to in writing, software
17: * distributed under the License is distributed on an "AS IS" BASIS,
18: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19: * See the License for the specific language governing permissions and
20: * limitations under the License.
21: * --LICENSE NOTICE--
22: */
23:
24: package org.radeox.macro.book;
25:
26: /**
27: * Manages links to book dealears or comparison services
28: *
29: * @author Stephan J. Schmidt
30: * @version $Id: BookServices.java 7756 2006-04-13 12:25:49Z ian@caret.cam.ac.uk $
31: */
32:
33: public class BookServices extends TextFileUrlMapper {
34: private static BookServices instance;
35:
36: public BookServices() {
37: super (BookServices.class);
38: }
39:
40: public static synchronized UrlMapper getInstance() {
41: if (null == instance) {
42: instance = new BookServices();
43: }
44: return instance;
45: }
46:
47: public String getFileName() {
48: return "conf/bookservices.txt";
49: }
50:
51: public String getKeyName() {
52: return "isbn";
53: }
54: }
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