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.*; |
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18 | ||
19 | /** |
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20 | * Base class implementation for the {@link IPropertyHolder} interface. |
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21 | * |
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22 | * |
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23 | * @author Howard Lewis Ship |
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24 | * |
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25 | */ |
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26 | ||
27 | 413 | public class BasePropertyHolder implements IPropertyHolder |
28 | { |
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29 | private static final int MAP_SIZE = 7; |
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30 | private Map properties; |
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31 | ||
32 | public String getProperty(String name) |
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33 | { |
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34 | 188 | if (properties == null) |
35 | 155 | return null; |
36 | ||
37 | 33 | return (String) properties.get(name); |
38 | } |
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39 | ||
40 | public void setProperty(String name, String value) |
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41 | { |
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42 | 27 | if (value == null) |
43 | { |
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44 | 0 | removeProperty(name); |
45 | 0 | return; |
46 | } |
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47 | ||
48 | 27 | if (properties == null) |
49 | 21 | properties = new HashMap(MAP_SIZE); |
50 | ||
51 | 27 | properties.put(name, value); |
52 | 27 | } |
53 | ||
54 | public void removeProperty(String name) |
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55 | { |
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56 | 0 | if (properties == null) |
57 | 0 | return; |
58 | ||
59 | 0 | properties.remove(name); |
60 | 0 | } |
61 | ||
62 | public List getPropertyNames() |
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63 | { |
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64 | 2 | if (properties == null) |
65 | 0 | return Collections.EMPTY_LIST; |
66 | ||
67 | 2 | List result = new ArrayList(properties.keySet()); |
68 | ||
69 | 2 | Collections.sort(result); |
70 | ||
71 | 2 | return result; |
72 | } |
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73 | ||
74 | } |