| Line | Hits | Source |
|---|---|---|
| 1 | /******************************************************************************* | |
| 2 | *InternetCafe is a software solution that helps the management of Cybercafes | |
| 3 | * according with the ITALIAN DECREE LAW ON ANTI-TERROR MEASURES, 27 JULY 2005. | |
| 4 | * Copyright (C) 2006 Guido Angelo Ingenito | |
| 5 | ||
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version 2 | |
| 9 | * of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
| 19 | *******************************************************************************/ | |
| 20 | package base.jdbs.cryptography; | |
| 21 | ||
| 22 | import java.io.File; | |
| 23 | import java.security.KeyStore; | |
| 24 | import java.util.Collection; | |
| 25 | import java.util.Enumeration; | |
| 26 | import java.util.Hashtable; | |
| 27 | ||
| 28 | import org.apache.log4j.Logger; | |
| 29 | ||
| 30 | ||
| 31 | 0 | public abstract class KeyRing<K> { |
| 32 | ||
| 33 | 0 | private static final transient Logger logger = Logger.getLogger(KeyRing.class.getName()); |
| 34 | ||
| 35 | /**The AsymmetricKeyRings' element collection.**/ | |
| 36 | 0 | private Hashtable<Integer, K> element = new Hashtable<Integer , K>(); |
| 37 | ||
| 38 | /**The current element id.**/ | |
| 39 | 0 | private int currentElementId = 0; |
| 40 | ||
| 41 | /** | |
| 42 | * This method computes a new Id for a KeyPair. | |
| 43 | * @return A new Id for a KeyPair. | |
| 44 | */ | |
| 45 | protected Integer nextElementId(){ | |
| 46 | 0 | return ++currentElementId; |
| 47 | } | |
| 48 | ||
| 49 | /** | |
| 50 | * This method adds to the KeyRing the target object. | |
| 51 | * @param id The id associated to the object. | |
| 52 | * @param object The object to be added. | |
| 53 | */ | |
| 54 | protected void add(Integer id, K object){ | |
| 55 | 0 | this.element.put(id, object); |
| 56 | 0 | } |
| 57 | ||
| 58 | /** | |
| 59 | * This method removes a stored element from the KeyRing. | |
| 60 | * @param id The id associated to the element to remove. | |
| 61 | */ | |
| 62 | protected void remove(Integer id){ | |
| 63 | 0 | this.element.remove(id); |
| 64 | 0 | } |
| 65 | ||
| 66 | /** | |
| 67 | * This method removes all the stored elements from the KeyRing. | |
| 68 | */ | |
| 69 | protected void removeAll(){ | |
| 70 | 0 | Enumeration keys = element.keys(); |
| 71 | 0 | for(;keys.hasMoreElements();) |
| 72 | 0 | this.element.remove(keys.nextElement()); |
| 73 | 0 | } |
| 74 | ||
| 75 | /** | |
| 76 | * This method retrieves a stored element by id. | |
| 77 | * @param id The id associated to the element to retrieve. | |
| 78 | * @return The stored element otherwise null. | |
| 79 | */ | |
| 80 | protected K get(Integer id){ | |
| 81 | 0 | return this.element.get(id); |
| 82 | } | |
| 83 | ||
| 84 | /** | |
| 85 | * This method returns a collection of all stored elements. | |
| 86 | * @return A collection of stored elements. | |
| 87 | */ | |
| 88 | protected Collection<K> getAll(){ | |
| 89 | 0 | return this.element.values(); |
| 90 | } | |
| 91 | ||
| 92 | /** | |
| 93 | * This method saves the content of the key ring in a file system location. | |
| 94 | * @param location The location where the key ring must be stored. | |
| 95 | * @param password The password associated to the file. | |
| 96 | */ | |
| 97 | public abstract void store(File location, String password); | |
| 98 | ||
| 99 | /** | |
| 100 | * This method retrieves the content of a stored key ring from a file system location. | |
| 101 | * @param location The location from wich the content of the key ring must be retrieved. | |
| 102 | * @param password The password associated to the file. | |
| 103 | * @return The KeyStore associated to the input location, null if the input location isn't a valid key store archive. | |
| 104 | */ | |
| 105 | public abstract KeyStore retrieve(File location, String password); | |
| 106 | ||
| 107 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |