Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Configuration |
|
| 1.0;1 |
1 | package org.apache.ojb.broker.util.configuration; | |
2 | ||
3 | /* Copyright 2002-2005 The Apache Software Foundation | |
4 | * | |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | import org.apache.ojb.broker.util.logging.Logger; | |
19 | ||
20 | /** | |
21 | * The <code>Configuration</code> interface defines lookup-methods to lookup | |
22 | * typed configuration-values. | |
23 | * For example <code>boolean getBoolean(String key, boolean defaultValue)</code> | |
24 | * looks up a boolean value associated with <code>key</code>. | |
25 | * If no value is found for <code>key</code> the boolean <code>defaultValue</code> | |
26 | * is returned. | |
27 | * @author Thomas Mahler | |
28 | * @version $Id: Configuration.java,v 1.1 2007-08-24 22:17:30 ewestfal Exp $ | |
29 | */ | |
30 | public interface Configuration | |
31 | { | |
32 | ||
33 | /** | |
34 | * this method allows to set a logger that tracks configuration events. | |
35 | * @param loggerInstance the logger to set | |
36 | */ | |
37 | public void setLogger(Logger loggerInstance); | |
38 | ||
39 | /** | |
40 | * Returns the boolean value for the specified key. If no value for this key | |
41 | * is found in the configuration or the value is not an legal boolean | |
42 | * <code>defaultValue</code> is returned. | |
43 | * | |
44 | * @param key the key | |
45 | * @param defaultValue the default Value | |
46 | * @return the value for the key, or <code>defaultValue</code> | |
47 | */ | |
48 | public boolean getBoolean(String key, boolean defaultValue); | |
49 | ||
50 | /** | |
51 | * Returns the class specified by the value for the specified key. If no | |
52 | * value for this key is found in the configuration, no class of this name | |
53 | * can be found or the specified class is not assignable | |
54 | * <code>assignable</code> <code>defaultValue</code> is returned. | |
55 | * | |
56 | * @param key the key | |
57 | * @param defaultValue the default Value | |
58 | * @param assignable a classe and/or interface the specified class must | |
59 | * extend/implement. | |
60 | * @return the value for the key, or <code>defaultValue</code> | |
61 | */ | |
62 | public Class getClass(String key, Class defaultValue, Class assignable); | |
63 | ||
64 | /** | |
65 | * Returns the class specified by the value for the specified key. If no | |
66 | * value for this key is found in the configuration, no class of this name | |
67 | * can be found or the specified class is not assignable to each | |
68 | * class/interface in <code>assignables</code> <code>defaultValue</code> is | |
69 | * returned. | |
70 | * | |
71 | * @param key the key | |
72 | * @param defaultValue the default Value | |
73 | * @param assignables classes and/or interfaces the specified class must | |
74 | * extend/implement. | |
75 | * @return the value for the key, or <code>defaultValue</code> | |
76 | */ | |
77 | public Class getClass(String key, Class defaultValue, Class[] assignables); | |
78 | ||
79 | /** | |
80 | * Returns the class specified by the value for the specified key. If no | |
81 | * value for this key is found in the configuration or no class of this name | |
82 | * can be found <code>defaultValue</code> is returned. | |
83 | * | |
84 | * @param key the key | |
85 | * @param defaultValue the default Value | |
86 | * @return the value for the key, or <code>defaultValue</code> | |
87 | */ | |
88 | public Class getClass(String key, Class defaultValue); | |
89 | ||
90 | /** | |
91 | * Returns the integer value for the specified key. If no value for this key | |
92 | * is found in the configuration or the value is not an legal integer | |
93 | * <code>defaultValue</code> is returned. | |
94 | * | |
95 | * @param key the key | |
96 | * @param defaultValue the default Value | |
97 | * @return the value for the key, or <code>defaultValue</code> | |
98 | */ | |
99 | public int getInteger(String key, int defaultValue); | |
100 | ||
101 | /** | |
102 | * Returns the string value for the specified key. If no value for this key | |
103 | * is found in the configuration <code>defaultValue</code> is returned. | |
104 | * | |
105 | * @param key the key | |
106 | * @param defaultValue the default value | |
107 | * @return the value for the key, or <code>defaultValue</code> | |
108 | */ | |
109 | public String getString(String key, String defaultValue); | |
110 | ||
111 | /** | |
112 | * Gets an array of Strings from the value of the specified key, seperated | |
113 | * by any key from <code>seperators</code>. If no value for this key | |
114 | * is found the array contained in <code>defaultValue</code> is returned. | |
115 | * | |
116 | * @param key the key | |
117 | * @param defaultValue the default Value | |
118 | * @param seperators the seprators to be used | |
119 | * @return the strings for the key, or the strings contained in | |
120 | * <code>defaultValue</code> | |
121 | */ | |
122 | public String[] getStrings(String key, String defaultValue, String seperators); | |
123 | ||
124 | /** | |
125 | * Gets an array of Strings from the value of the specified key, seperated | |
126 | * by ";". If no value for this key | |
127 | * is found the array contained in <code>defaultValue</code> is returned. | |
128 | * | |
129 | * @param key the key | |
130 | * @param defaultValue the default Value | |
131 | * @return the strings for the key, or the strings contained in | |
132 | * <code>defaultValue</code> | |
133 | */ | |
134 | public String[] getStrings(String key, String defaultValue); | |
135 | } |