Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
SystemConfiguration |
|
| 2.0;2 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. 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 | package org.apache.commons.configuration; | |
19 | ||
20 | import java.util.Iterator; | |
21 | ||
22 | import org.apache.commons.logging.Log; | |
23 | import org.apache.commons.logging.LogFactory; | |
24 | ||
25 | /** | |
26 | * A configuration based on the system properties. | |
27 | * | |
28 | * @author Emmanuel Bourg | |
29 | * @version $Id: SystemConfiguration.java 1210204 2011-12-04 20:38:02Z oheger $ | |
30 | * @since 1.1 | |
31 | */ | |
32 | public class SystemConfiguration extends MapConfiguration | |
33 | { | |
34 | /** The logger. */ | |
35 | 1 | private static Log log = LogFactory.getLog(SystemConfiguration.class); |
36 | ||
37 | /** | |
38 | * Create a Configuration based on the system properties. | |
39 | * | |
40 | * @see System#getProperties | |
41 | */ | |
42 | public SystemConfiguration() | |
43 | { | |
44 | 28 | super(System.getProperties()); |
45 | 28 | } |
46 | ||
47 | /** | |
48 | * The method allows system properties to be set from a property file. | |
49 | * @param fileName The name of the property file. | |
50 | * @throws Exception if an error occurs. | |
51 | * @since 1.6 | |
52 | */ | |
53 | public static void setSystemProperties(String fileName) throws Exception | |
54 | { | |
55 | 0 | setSystemProperties(null, fileName); |
56 | 0 | } |
57 | ||
58 | /** | |
59 | * The method allows system properties to be set from a property file. | |
60 | * @param basePath The base path to look for the property file. | |
61 | * @param fileName The name of the property file. | |
62 | * @throws Exception if an error occurs. | |
63 | * @since 1.6 | |
64 | */ | |
65 | public static void setSystemProperties(String basePath, String fileName) throws Exception | |
66 | { | |
67 | 2 | PropertiesConfiguration config = fileName.endsWith(".xml") |
68 | ? new XMLPropertiesConfiguration() : new PropertiesConfiguration(); | |
69 | 2 | if (basePath != null) |
70 | { | |
71 | 2 | config.setBasePath(basePath); |
72 | } | |
73 | 2 | config.setFileName(fileName); |
74 | 2 | config.load(); |
75 | 2 | setSystemProperties(config); |
76 | 2 | } |
77 | ||
78 | /** | |
79 | * Set System properties from a configuration file. | |
80 | * @param systemConfig The configuration containing the properties to be set. | |
81 | * @since 1.6 | |
82 | */ | |
83 | public static void setSystemProperties(PropertiesConfiguration systemConfig) | |
84 | { | |
85 | 3 | Iterator<String> iter = systemConfig.getKeys(); |
86 | 10 | while (iter.hasNext()) |
87 | { | |
88 | 7 | String key = iter.next(); |
89 | 7 | String value = (String) systemConfig.getProperty(key); |
90 | 7 | if (log.isDebugEnabled()) |
91 | { | |
92 | 0 | log.debug("Setting system property " + key + " to " + value); |
93 | } | |
94 | 7 | System.setProperty(key, value); |
95 | 7 | } |
96 | 3 | } |
97 | } |