 | Report generated by Clover Code Coverage v2.0.3 Sun Mar 23 2008 08:29:30 GMT. |
Clover: Open Source License registered to OpenPERMIS. |
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| 1 | /* | |
| 2 | * Copyright (c) 2000-2005, University of Salford | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions are met: | |
| 7 | * | |
| 8 | * Redistributions of source code must retain the above copyright notice, this | |
| 9 | * list of conditions and the following disclaimer. | |
| 10 | * | |
| 11 | * Redistributions in binary form must reproduce the above copyright notice, | |
| 12 | * this list of conditions and the following disclaimer in the documentation | |
| 13 | * and/or other materials provided with the distribution. | |
| 14 | * | |
| 15 | * Neither the name of the University of Salford nor the names of its | |
| 16 | * contributors may be used to endorse or promote products derived from this | |
| 17 | * software without specific prior written permission. | |
| 18 | * | |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
| 23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 29 | * POSSIBILITY OF SUCH DAMAGE. | |
| 30 | */ | |
| 31 | ||
| 32 | package issrg.pba; | |
| 33 | ||
| 34 | import java.util.Vector; | |
| 35 | /** | |
| 36 | * This is an interface defining basic operations on a Subject. A Subject | |
| 37 | * object can tell the name of the holder, the set of credentials and contains | |
| 38 | * a CredentialService object, which provides additional service on the set of | |
| 39 | * credentials for the AEF (Access decision Enforcement Function, as per | |
| 40 | * ISO 10181-3 access control framework). | |
| 41 | * | |
| 42 | * @author A Otenko | |
| 43 | * @version 0.2 | |
| 44 | */ | |
| 45 | ||
| 46 | public interface Subject { | |
| 47 | /** | |
| 48 | * This method returns the holder of the set of the credentials. | |
| 49 | * | |
| 50 | * @return the holders principal object | |
| 51 | */ | |
| 52 | public java.security.Principal getHolder(); | |
| 53 | ||
| 54 | /** | |
| 55 | * This method returns the set of credentials owned by the holder. | |
| 56 | * In fact, this is the Initiator's ADI (see ISO 10181-3). | |
| 57 | * | |
| 58 | * @return the credentials for the subject | |
| 59 | */ | |
| 60 | public Credentials exportCreds(); | |
| 61 | ||
| 62 | /** | |
| 63 | * This method returns the service object. Such objects provide | |
| 64 | * additional help for the AEF by checking the Session Time, for | |
| 65 | * example. There can be no service set for a Subject, in which case | |
| 66 | * <code>null</code> should be returned. | |
| 67 | * | |
| 68 | * @return The Credentials service contained by the subject | |
| 69 | */ | |
| 70 | public CredentialsService getService(); | |
| 71 | ||
| 72 | /** | |
| 73 | * This method returns the owner of the Subject object, so the owner | |
| 74 | * can ensure it uses its own Subjects (and not forged by someone else, | |
| 75 | * or for expired policy). | |
| 76 | * | |
| 77 | * @return the parent PBAAPI | |
| 78 | */ | |
| 79 | public PBAAPI getOwner(); | |
| 80 | } | |
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