Coverage Report - org.apache.commons.configuration.SystemConfiguration
 
Classes in this File Line Coverage Branch Coverage Complexity
SystemConfiguration
85%
18/21
62%
5/8
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  29
         super(System.getProperties());
 45  29
     }
 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  
 }