ResourceManager


1   package discRack;
2   
3   import java.awt.*;
4   import java.util.*;
5   import java.text.*;
6   import java.net.URL  ;
7   import javax.accessibility.*;
8   
9   /**
10   * Implements the static methods that are used to implement
11   * multilanguage support.
12   *
13   * @author Sasa Bojanic
14   * @version 1.0
15   */
16  public class ResourceManager {
17     private static final String   resourcePath=
18           "discRack.resources.DiscRack";
19  
20     public static ResourceBundle defaultResource;
21  
22  
23     static {
24        try {
25           defaultResource = ResourceBundle.
26              getBundle(resourcePath);
27        }
28        catch (MissingResourceException mre) {
29           System.err.println(resourcePath+".properties not found");
30           System.exit(1);
31        }
32     }
33  
34     /**
35      * Gets a resource string from the resource bundle.<p> Resource bundle
36      * represents the <i>property file</i>. For example, if property file
37      * contains something like this:<BR><CENTER>menubar=file edit help</CENTER>
38      * method call getResourceString("menubar") will give the string
39      * <i>file edit help</i> as a result. <BR> This method reads information
40      * from property file. If can't find desired resource, returns <b>null</b>.
41      * @param nm name of the resource to fetch.
42      * @return String value of named resource.
43      */
44     public static String   getResourceString (String   nm) {
45        String   str;
46        try {
47           str=defaultResource.getString(nm);
48        } catch (MissingResourceException mre1) {
49           str = null;
50        }
51        return str;
52     }
53  
54     /**
55      * Gets the url from a resource string.
56      * @param key the string key to the url in the resource bundle.
57      * @return the resource location.
58      * @see java.lang.Class#getResource
59      */
60     public static URL   getResource (String   key) {
61        String   name = getResourceString(key);
62        if (name != null) {
63           URL   url = ResourceManager.class.getClassLoader().getResource(name);
64           return url;
65        }
66        return null;
67     }
68  }
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