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2 | /* | |
3 | * Copyright (c) 2006, University of Kent | |
4 | * All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * Redistributions of source code must retain the above copyright notice, this | |
10 | * list of conditions and the following disclaimer. | |
11 | * | |
12 | * Redistributions in binary form must reproduce the above copyright notice, | |
13 | * this list of conditions and the following disclaimer in the documentation | |
14 | * and/or other materials provided with the distribution. | |
15 | * | |
16 | * 1. Neither the name of the University of Kent nor the names of its | |
17 | * contributors may be used to endorse or promote products derived from this | |
18 | * software without specific prior written permission. | |
19 | * | |
20 | * 2. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
21 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
22 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
23 | * PURPOSE ARE DISCLAIMED. | |
24 | * | |
25 | * 3. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
26 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
32 | * POSSIBILITY OF SUCH DAMAGE. | |
33 | * | |
34 | * 4. YOU AGREE THAT THE EXCLUSIONS IN PARAGRAPHS 2 AND 3 ABOVE ARE REASONABLE | |
35 | * IN THE CIRCUMSTANCES. IN PARTICULAR, YOU ACKNOWLEDGE (1) THAT THIS | |
36 | * SOFTWARE HAS BEEN MADE AVAILABLE TO YOU FREE OF CHARGE, (2) THAT THIS | |
37 | * SOFTWARE IS NOT "PRODUCT" QUALITY, BUT HAS BEEN PRODUCED BY A RESEARCH | |
38 | * GROUP WHO DESIRE TO MAKE THIS SOFTWARE FREELY AVAILABLE TO PEOPLE WHO WISH | |
39 | * TO USE IT, AND (3) THAT BECAUSE THIS SOFTWARE IS NOT OF "PRODUCT" QUALITY | |
40 | * IT IS INEVITABLE THAT THERE WILL BE BUGS AND ERRORS, AND POSSIBLY MORE | |
41 | * SERIOUS FAULTS, IN THIS SOFTWARE. | |
42 | * | |
43 | * 5. This license is governed, except to the extent that local laws | |
44 | * necessarily apply, by the laws of England and Wales. | |
45 | * | |
46 | * Author : Gansen Zhao | |
47 | * Email: gz7@kent.ac.uk | |
48 | */ | |
49 | ||
50 | package issrg.pba; | |
51 | ||
52 | /** | |
53 | * The interface to access an obligation. Obligations are tasks and requirement | |
54 | * to be fulfilled together with the authorization decisions. | |
55 | * @author gansen | |
56 | */ | |
57 | public interface Obligation { | |
58 | ||
59 | /** | |
60 | * Convert the obligation object into XML Representation. | |
61 | */ | |
62 | public String toString(); | |
63 | ||
64 | /** | |
65 | * Retrieve the object's ObligationID specified in the xml policy. When the Object is an empty Obligation or an invalid Obligation, | |
66 | * an empty string or null might be returned. | |
67 | * | |
68 | * @return the object's ObligationID attribute as specified in the XML policy. | |
69 | */ | |
70 | public String getObligationID(); | |
71 | ||
72 | /** | |
73 | * Retrieve the obligation's Chronicle attribute.When the Object is an empty Obligation or an invalid Obligation, | |
74 | * an empty string or null might be returned. | |
75 | * | |
76 | * @return The Chronicle attribute as specified in the XML policy. | |
77 | */ | |
78 | public String getChronicle(); | |
79 | ||
80 | } |
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