| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| LifecycleUtils |
|
| 3.3333333333333335;3.333 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 3 | * or more contributor license agreements. See the NOTICE file | |
| 4 | * distributed with this work for additional information | |
| 5 | * regarding copyright ownership. The ASF licenses this file | |
| 6 | * to you under the Apache License, Version 2.0 (the | |
| 7 | * "License"); you may not use this file except in compliance | |
| 8 | * with the License. You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, | |
| 13 | * software distributed under the License is distributed on an | |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 15 | * KIND, either express or implied. See the License for the | |
| 16 | * specific language governing permissions and limitations | |
| 17 | * under the License. | |
| 18 | */ | |
| 19 | package org.apache.shiro.util; | |
| 20 | ||
| 21 | import org.apache.shiro.ShiroException; | |
| 22 | import org.slf4j.Logger; | |
| 23 | import org.slf4j.LoggerFactory; | |
| 24 | ||
| 25 | import java.util.Collection; | |
| 26 | ||
| 27 | ||
| 28 | /** | |
| 29 | * Utility class to help call {@link org.apache.shiro.util.Initializable#init() Initializable.init()} and | |
| 30 | * {@link org.apache.shiro.util.Destroyable#destroy() Destroyable.destroy()} methods cleanly on any object. | |
| 31 | * | |
| 32 | * @since 0.2 | |
| 33 | */ | |
| 34 | 0 | public abstract class LifecycleUtils { |
| 35 | ||
| 36 | 1 | private static final Logger log = LoggerFactory.getLogger(LifecycleUtils.class); |
| 37 | ||
| 38 | public static void init(Object o) throws ShiroException { | |
| 39 | 95 | if (o instanceof Initializable) { |
| 40 | 22 | init((Initializable) o); |
| 41 | } | |
| 42 | 95 | } |
| 43 | ||
| 44 | public static void init(Initializable initializable) throws ShiroException { | |
| 45 | 22 | initializable.init(); |
| 46 | 22 | } |
| 47 | ||
| 48 | /** | |
| 49 | * Calls {@link #init(Object) init} for each object in the collection. If the collection is {@code null} or empty, | |
| 50 | * this method returns quietly. | |
| 51 | * | |
| 52 | * @param c the collection containing objects to {@link #init init}. | |
| 53 | * @throws ShiroException if unable to initialize one or more instances. | |
| 54 | * @since 0.9 | |
| 55 | */ | |
| 56 | public static void init(Collection c) throws ShiroException { | |
| 57 | 42 | if (c == null || c.isEmpty()) { |
| 58 | 0 | return; |
| 59 | } | |
| 60 | 42 | for (Object o : c) { |
| 61 | 95 | init(o); |
| 62 | 95 | } |
| 63 | 42 | } |
| 64 | ||
| 65 | public static void destroy(Object o) { | |
| 66 | 110 | if (o instanceof Destroyable) { |
| 67 | 21 | destroy((Destroyable) o); |
| 68 | 89 | } else if (o instanceof Collection) { |
| 69 | 0 | destroy((Collection)o); |
| 70 | } | |
| 71 | 110 | } |
| 72 | ||
| 73 | public static void destroy(Destroyable d) { | |
| 74 | 21 | if (d != null) { |
| 75 | try { | |
| 76 | 21 | d.destroy(); |
| 77 | 0 | } catch (Throwable t) { |
| 78 | 0 | if (log.isDebugEnabled()) { |
| 79 | 0 | String msg = "Unable to cleanly destroy instance [" + d + "] of type [" + d.getClass().getName() + "]."; |
| 80 | 0 | log.debug(msg, t); |
| 81 | } | |
| 82 | 21 | } |
| 83 | } | |
| 84 | 21 | } |
| 85 | ||
| 86 | /** | |
| 87 | * Calls {@link #destroy(Object) destroy} for each object in the collection. | |
| 88 | * If the collection is {@code null} or empty, this method returns quietly. | |
| 89 | * | |
| 90 | * @param c the collection of objects to destroy. | |
| 91 | * @since 0.9 | |
| 92 | */ | |
| 93 | public static void destroy(Collection c) { | |
| 94 | 19 | if (c == null || c.isEmpty()) { |
| 95 | 1 | return; |
| 96 | } | |
| 97 | ||
| 98 | 18 | for (Object o : c) { |
| 99 | 18 | destroy(o); |
| 100 | 18 | } |
| 101 | 18 | } |
| 102 | } |