File AbstractCompositeConfigurationSource.java
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Classes
| Class | Line # | Actions | |||||
|---|---|---|---|---|---|---|---|
| AbstractCompositeConfigurationSource | 36 | 38 | 0% | 13 | 0 |
Contributing tests
This file is covered by 11 tests.
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| 1 | /* | |
| 2 | * See the NOTICE file distributed with this work for additional | |
| 3 | * information regarding copyright ownership. | |
| 4 | * | |
| 5 | * This is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU Lesser General Public License as | |
| 7 | * published by the Free Software Foundation; either version 2.1 of | |
| 8 | * the License, or (at your option) any later version. | |
| 9 | * | |
| 10 | * This software is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | * Lesser General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU Lesser General Public | |
| 16 | * License along with this software; if not, write to the Free | |
| 17 | * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
| 18 | * 02110-1301 USA, or see the FSF site: http://www.fsf.org. | |
| 19 | */ | |
| 20 | package org.xwiki.configuration.internal; | |
| 21 | ||
| 22 | import java.util.ArrayList; | |
| 23 | import java.util.LinkedHashSet; | |
| 24 | import java.util.List; | |
| 25 | import java.util.Set; | |
| 26 | ||
| 27 | import org.xwiki.configuration.ConfigurationSource; | |
| 28 | ||
| 29 | /** | |
| 30 | * Base class for composing (aka chaining) several Configuration Sources. The order of sources is important. Sources | |
| 31 | * located before other sources take priority. | |
| 32 | * | |
| 33 | * @version $Id: 63b6eefae467d8ca8b0e47b611b8d23ed46978d7 $ | |
| 34 | * @since 7.4M1 | |
| 35 | */ | |
| 36 | public abstract class AbstractCompositeConfigurationSource extends AbstractConfigurationSource | |
| 37 | implements Iterable<ConfigurationSource> | |
| 38 | { | |
| 39 | 423791 |  @Override |
| 40 | public boolean containsKey(String key) | |
| 41 | { | |
| 42 | 423783 | boolean result = false; |
| 43 | ||
| 44 | 423814 | for (ConfigurationSource source : this) { |
| 45 | 519541 | if (source.containsKey(key)) { |
| 46 | 532 | result = true; |
| 47 | 532 | break; |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | 423785 | return result; |
| 52 | } | |
| 53 | ||
| 54 | 13444 | @Override |
| 55 | public <T> T getProperty(String key) | |
| 56 | { | |
| 57 | 13444 | T result = null; |
| 58 | ||
| 59 | 13429 | for (ConfigurationSource source : this) { |
| 60 | 39989 | if (source.containsKey(key)) { |
| 61 | 80 | result = source.<T>getProperty(key); |
| 62 | 80 | break; |
| 63 | } | |
| 64 | } | |
| 65 | ||
| 66 | 13446 | return result; |
| 67 | } | |
| 68 | ||
| 69 | 18219 | @Override |
| 70 | public <T> T getProperty(String key, Class<T> valueClass) | |
| 71 | { | |
| 72 | 18218 | T result = null; |
| 73 | ||
| 74 | 18216 | for (ConfigurationSource source : this) { |
| 75 | 53736 | if (source.containsKey(key)) { |
| 76 | 5 | result = source.getProperty(key, valueClass); |
| 77 | 5 | break; |
| 78 | } | |
| 79 | } | |
| 80 | ||
| 81 | // List and Properties must return empty collections and not null values. | |
| 82 | 18219 | if (result == null) { |
| 83 | 18213 | result = getDefault(valueClass); |
| 84 | } | |
| 85 | ||
| 86 | 18218 | return result; |
| 87 | } | |
| 88 | ||
| 89 | 181118 | @Override |
| 90 | public <T> T getProperty(String key, T defaultValue) | |
| 91 | { | |
| 92 | 181100 | T result = null; |
| 93 | ||
| 94 | 181091 | for (ConfigurationSource source : this) { |
| 95 | 361701 | if (source.containsKey(key)) { |
| 96 | 1067 | result = source.<T>getProperty(key, defaultValue); |
| 97 | 1067 | break; |
| 98 | } | |
| 99 | } | |
| 100 | ||
| 101 | 181143 | if (result == null) { |
| 102 | 180071 | result = defaultValue; |
| 103 | } | |
| 104 | ||
| 105 | 181138 | return result; |
| 106 | } | |
| 107 | ||
| 108 | 40 | @Override |
| 109 | public List<String> getKeys() | |
| 110 | { | |
| 111 | // We use a linked hash set in order to keep the keys in the order in which they were defined in the sources. | |
| 112 | 40 | Set<String> keys = new LinkedHashSet<String>(); |
| 113 | ||
| 114 | 40 | for (ConfigurationSource source : this) { |
| 115 | 53 | keys.addAll(source.getKeys()); |
| 116 | } | |
| 117 | ||
| 118 | 40 | return new ArrayList<String>(keys); |
| 119 | } | |
| 120 | ||
| 121 | 5 | @Override |
| 122 | public boolean isEmpty() | |
| 123 | { | |
| 124 | 5 | boolean result = true; |
| 125 | ||
| 126 | 5 | for (ConfigurationSource source : this) { |
| 127 | 6 | if (!source.isEmpty()) { |
| 128 | 3 | result = false; |
| 129 | 3 | break; |
| 130 | } | |
| 131 | } | |
| 132 | ||
| 133 | 5 | return result; |
| 134 | } | |
| 135 | } |