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| org.apache.commons.configuration.MapConfiguration |
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| 1 | /* |
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| 2 | * Copyright 2004 The Apache Software Foundation. |
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| 3 | * |
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License") |
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| 5 | * you may not use this file except in compliance with the License. |
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| 6 | * You may obtain a copy of the License at |
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| 7 | * |
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 9 | * |
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| 10 | * Unless required by applicable law or agreed to in writing, software |
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 13 | * See the License for the specific language governing permissions and |
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| 14 | * limitations under the License. |
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| 15 | */ |
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| 16 | ||
| 17 | package org.apache.commons.configuration; |
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| 18 | ||
| 19 | import java.util.Iterator; |
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| 20 | import java.util.List; |
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| 21 | import java.util.Map; |
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| 22 | ||
| 23 | /** |
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| 24 | * A Map based Configuration. |
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| 25 | * |
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| 26 | * @author Emmanuel Bourg |
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| 27 | * @version $Revision: 155408 $, $Date: 2005-02-26 13:56:39 +0100 (Sa, 26 Feb 2005) $ |
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| 28 | * @since 1.1 |
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| 29 | */ |
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| 30 | public class MapConfiguration extends AbstractConfiguration |
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| 31 | { |
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| 32 | /** The Map decorated by this configuration. */ |
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| 33 | protected Map map; |
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| 34 | ||
| 35 | /** |
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| 36 | * Create a Configuration decorator around the specified Map. The map is |
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| 37 | * used to store the configuration properties, any change will also affect |
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| 38 | * the Map. |
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| 39 | * |
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| 40 | * @param map |
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| 41 | */ |
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| 42 | public MapConfiguration(Map map) |
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| 43 | 345 | { |
| 44 | 345 | this.map = map; |
| 45 | 345 | } |
| 46 | ||
| 47 | /** |
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| 48 | * Return the Map decorated by this configuration. |
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| 49 | */ |
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| 50 | public Map getMap() |
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| 51 | { |
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| 52 | 23 | return map; |
| 53 | } |
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| 54 | ||
| 55 | public Object getProperty(String key) |
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| 56 | { |
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| 57 | 3225 | Object value = map.get(key); |
| 58 | 3225 | if (value instanceof String) |
| 59 | { |
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| 60 | 1523 | List list = PropertyConverter.split((String) value, getDelimiter()); |
| 61 | 1523 | return list.size() > 1 ? list : value; |
| 62 | } |
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| 63 | else |
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| 64 | { |
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| 65 | 1702 | return value; |
| 66 | } |
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| 67 | } |
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| 68 | ||
| 69 | protected void addPropertyDirect(String key, Object obj) |
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| 70 | { |
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| 71 | 23 | map.put(key, obj); |
| 72 | 23 | } |
| 73 | ||
| 74 | public boolean isEmpty() |
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| 75 | { |
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| 76 | 46 | return map.isEmpty(); |
| 77 | } |
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| 78 | ||
| 79 | public boolean containsKey(String key) |
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| 80 | { |
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| 81 | 115 | return map.containsKey(key); |
| 82 | } |
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| 83 | ||
| 84 | public void clearProperty(String key) |
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| 85 | { |
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| 86 | 23 | map.remove(key); |
| 87 | 23 | } |
| 88 | ||
| 89 | public Iterator getKeys() |
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| 90 | { |
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| 91 | 55 | return map.keySet().iterator(); |
| 92 | } |
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| 93 | } |
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