Coverage Report - org.apache.tapestry.util.SystemPropertiesPropertySource
 
Classes in this File Line Coverage Branch Coverage Complexity
SystemPropertiesPropertySource
0%
0/5
0%
0/2
1.5
 
 1  
 // Copyright 2004, 2005 The Apache Software Foundation
 2  
 //
 3  
 // Licensed under the Apache License, Version 2.0 (the "License");
 4  
 // you may not use this file except in compliance with the License.
 5  
 // You may obtain a copy of the License at
 6  
 //
 7  
 //     http://www.apache.org/licenses/LICENSE-2.0
 8  
 //
 9  
 // Unless required by applicable law or agreed to in writing, software
 10  
 // distributed under the License is distributed on an "AS IS" BASIS,
 11  
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12  
 // See the License for the specific language governing permissions and
 13  
 // limitations under the License.
 14  
 
 15  
 package org.apache.tapestry.util;
 16  
 
 17  
 import org.apache.tapestry.engine.IPropertySource;
 18  
 
 19  
 /**
 20  
  *  Obtain properties from JVM system properties.
 21  
  * 
 22  
  *
 23  
  *  @author Howard Lewis Ship
 24  
  *  @since 2.3
 25  
  *
 26  
  **/
 27  
 
 28  0
 public class SystemPropertiesPropertySource implements IPropertySource
 29  
 {
 30  
     private static IPropertySource _shared;
 31  
     
 32  
     public static synchronized IPropertySource getInstance()
 33  
     {
 34  0
         if (_shared == null)
 35  0
             _shared = new SystemPropertiesPropertySource();
 36  
             
 37  0
         return _shared; 
 38  
     }
 39  
 
 40  
     /**
 41  
      *  Delegates to {@link System#getProperty(java.lang.String)}.
 42  
      * 
 43  
      **/
 44  
     
 45  
     public String getPropertyValue(String propertyName)
 46  
     {
 47  0
         return System.getProperty(propertyName);
 48  
     }
 49  
 
 50  
 }