1   package com.atlassian.config.db;
2   
3   import com.atlassian.core.util.PairType;
4   import com.atlassian.core.util.PropertyUtils;
5   
6   import java.util.*;
7   
8   /**
9    * This class is responsible for loading a list of possible databases
10   */
11  public class DatabaseList
12  {
13  
14      private List databases;
15  
16      /**
17       * By default this will load the supportedDatabases.propertie file
18       */
19      public DatabaseList()
20      {
21          this("supportedDatabases.properties");
22      }
23  
24      /**
25       * Generate database list from given file
26       * @param supportedDbFile path to properties file
27       */
28      public DatabaseList(String supportedDbFile)
29      {
30          databases = new ArrayList(7);
31          Properties dbProps = PropertyUtils.getProperties(supportedDbFile, DatabaseList.class);
32  
33          List c = new ArrayList(dbProps.keySet());
34          Collections.sort(c);
35  
36          for (Iterator it = c.iterator(); it.hasNext();)
37          {
38              String key = (String) it.next();
39              if (key.startsWith("key."))
40                  databases.add(new PairType(dbProps.getProperty(key), dbProps.getProperty("value." + key.substring(4))));
41          }
42      }
43  
44      /**
45       *
46       * @return List of {@link PairType} containing database key and description pairs
47       */
48      public List getDatabases()
49      {
50          return databases;
51      }
52  
53  }