Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
BasePropertyHolder |
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| 3.25;3.25 |
1 | // Copyright 2004, 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.util; |
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16 | ||
17 | import java.util.ArrayList; |
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18 | import java.util.Collections; |
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19 | import java.util.HashMap; |
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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 | * Base class implementation for the {@link IPropertyHolder} interface. |
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25 | * |
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26 | * |
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27 | * @author Howard Lewis Ship |
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28 | * |
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29 | **/ |
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30 | ||
31 | 407 | public class BasePropertyHolder implements IPropertyHolder |
32 | { |
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33 | private static final int MAP_SIZE = 7; |
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34 | private Map properties; |
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35 | ||
36 | public String getProperty(String name) |
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37 | { |
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38 | 150 | if (properties == null) |
39 | 121 | return null; |
40 | ||
41 | 29 | return (String) properties.get(name); |
42 | } |
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43 | ||
44 | public void setProperty(String name, String value) |
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45 | { |
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46 | 23 | if (value == null) |
47 | { |
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48 | 0 | removeProperty(name); |
49 | 0 | return; |
50 | } |
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51 | ||
52 | 23 | if (properties == null) |
53 | 17 | properties = new HashMap(MAP_SIZE); |
54 | ||
55 | 23 | properties.put(name, value); |
56 | 23 | } |
57 | ||
58 | public void removeProperty(String name) |
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59 | { |
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60 | 0 | if (properties == null) |
61 | 0 | return; |
62 | ||
63 | 0 | properties.remove(name); |
64 | 0 | } |
65 | ||
66 | public List getPropertyNames() |
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67 | { |
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68 | 2 | if (properties == null) |
69 | 0 | return Collections.EMPTY_LIST; |
70 | ||
71 | 2 | List result = new ArrayList(properties.keySet()); |
72 | ||
73 | 2 | Collections.sort(result); |
74 | ||
75 | 2 | return result; |
76 | } |
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77 | ||
78 | } |