| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| UpdateService |
|
| 1.3333333333333333;1.333 |
| 1 | /* | |
| 2 | * This file is part of dependency-check-core. | |
| 3 | * | |
| 4 | * Dependency-check-core is free software: you can redistribute it and/or modify it | |
| 5 | * under the terms of the GNU General Public License as published by the Free | |
| 6 | * Software Foundation, either version 3 of the License, or (at your option) any | |
| 7 | * later version. | |
| 8 | * | |
| 9 | * Dependency-check-core is distributed in the hope that it will be useful, but | |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | |
| 12 | * details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License along with | |
| 15 | * dependency-check-core. If not, see http://www.gnu.org/licenses/. | |
| 16 | * | |
| 17 | * Copyright (c) 2012 Jeremy Long. All Rights Reserved. | |
| 18 | */ | |
| 19 | package org.owasp.dependencycheck.data; | |
| 20 | ||
| 21 | import java.util.Iterator; | |
| 22 | import java.util.ServiceLoader; | |
| 23 | ||
| 24 | /** | |
| 25 | * | |
| 26 | * @author Jeremy Long (jeremy.long@owasp.org) | |
| 27 | */ | |
| 28 | public final class UpdateService { | |
| 29 | ||
| 30 | /** | |
| 31 | * the singleton reference to the service. | |
| 32 | */ | |
| 33 | private static UpdateService service; | |
| 34 | /** | |
| 35 | * the service loader for CachedWebDataSource. | |
| 36 | */ | |
| 37 | private final ServiceLoader<CachedWebDataSource> loader; | |
| 38 | ||
| 39 | /** | |
| 40 | * Creates a new instance of UpdateService | |
| 41 | */ | |
| 42 | 0 | private UpdateService() { |
| 43 | 0 | loader = ServiceLoader.load(CachedWebDataSource.class); |
| 44 | 0 | } |
| 45 | ||
| 46 | /** | |
| 47 | * Retrieve the singleton instance of UpdateService. | |
| 48 | * | |
| 49 | * @return a singleton UpdateService. | |
| 50 | */ | |
| 51 | public static synchronized UpdateService getInstance() { | |
| 52 | 0 | if (service == null) { |
| 53 | 0 | service = new UpdateService(); |
| 54 | } | |
| 55 | 0 | return service; |
| 56 | } | |
| 57 | ||
| 58 | /** | |
| 59 | * Returns an Iterator for all instances of the CachedWebDataSource | |
| 60 | * interface. | |
| 61 | * | |
| 62 | * @return an iterator of CachedWebDataSource. | |
| 63 | */ | |
| 64 | public Iterator<CachedWebDataSource> getDataSources() { | |
| 65 | 0 | return loader.iterator(); |
| 66 | } | |
| 67 | } |