Coverage Report - org.webmacro.util.SubSettings
 
Classes in this File Line Coverage Branch Coverage Complexity
SubSettings
100%
14/14
83%
5/6
1.6
 
 1  
 /*
 2  
  * Copyright (C) 1998-2000 Semiotek Inc.  All Rights Reserved.
 3  
  *
 4  
  * Redistribution and use in source and binary forms, with or without
 5  
  * modification, are permitted under the terms of either of the following
 6  
  * Open Source licenses:
 7  
  *
 8  
  * The GNU General Public License, version 2, or any later version, as
 9  
  * published by the Free Software Foundation
 10  
  * (http://www.fsf.org/copyleft/gpl.html);
 11  
  *
 12  
  *  or
 13  
  *
 14  
  * The Semiotek Public License (http://webmacro.org/LICENSE.)
 15  
  *
 16  
  * This software is provided "as is", with NO WARRANTY, not even the
 17  
  * implied warranties of fitness to purpose, or merchantability. You
 18  
  * assume all risks and liabilities associated with its use.
 19  
  *
 20  
  * See www.webmacro.org for more information on the WebMacro project.
 21  
  */
 22  
 
 23  
 
 24  
 package org.webmacro.util;
 25  
 
 26  
 import java.util.ArrayList;
 27  
 
 28  
 /**
 29  
  * Models the subsettings of a setting.
 30  
  */
 31  
 public class SubSettings extends Settings
 32  
 {
 33  
 
 34  
     private final Settings _settings;
 35  
     private final String _prefix;
 36  
 
 37  
     /**
 38  
      * Get a subset of the settings in this Settings. The
 39  
      * returned Settings object will be just those settings
 40  
      * beginning with the supplied prefix, with the
 41  
      * prefix chopped off. So if the Settings had
 42  
      * a setting "LogLevel.foo" then the settings file
 43  
      * returned by getSubSettings("LogLevel") would contain
 44  
      * the key "foo".
 45  
      */
 46  
     public SubSettings (Settings settings, String prefix)
 47  
     {
 48  84
         super();
 49  84
         _settings = settings;
 50  84
         _prefix = (prefix == null) ? "" : prefix + ".";
 51  84
     }
 52  
 
 53  
     public String[] getKeys ()
 54  
     {
 55  60
         String[] underlyingKeys = _settings.getKeys();
 56  60
         ArrayList al = new ArrayList(underlyingKeys.length);
 57  6060
         for (int i = 0; i < underlyingKeys.length; i++)
 58  
         {
 59  6000
             String key = underlyingKeys[i];
 60  6000
             if (key.startsWith(_prefix))
 61  372
                 al.add(key.substring(_prefix.length()));
 62  
         }
 63  60
         return (String[]) al.toArray(stringArray);
 64  
     }
 65  
 
 66  
     /**
 67  
      * Prefix the key for use with the underlying Settings
 68  
      */
 69  
     private String prefix (String key)
 70  
     {
 71  504
         return _prefix + key;
 72  
     }
 73  
 
 74  
     /**
 75  
      * Find out if a setting is defined
 76  
      */
 77  
     public boolean containsKey (String key)
 78  
     {
 79  96
         return _settings.containsKey(prefix(key));
 80  
     }
 81  
 
 82  
     /**
 83  
      * Get a setting
 84  
      */
 85  
     public String getSetting (String key)
 86  
     {
 87  408
         return _settings.getSetting(prefix(key));
 88  
     }
 89  
 }
 90