How to load a resource bundle from a file resource in Java?

Question

I have a file called mybundle.txt in c:/temp -

c:/temp/mybundle.txt

How do I load this file into a java.util.Res

Answer 1

For JSF Application

To get resource bundle prop files from a given file path to use them in a JSF app.

• Set the bundle with URLClassLoader for a class that extends ResourceBundle to load the bundle from the file path.
• Specify the class at basename property of loadBundle tag.

For basic implementation of extended RB please see the sample at Sample Customized Resource Bundle

/* Create this class to make it base class for Loading Bundle for JSF apps */
public class Message extends ResourceBundle {
        public Messages (){
                File file = new File("D:\\properties\\i18n");  
                ClassLoader loader=null;
                   try {
                       URL[] urls = {file.toURI().toURL()};  
                       loader = new URLClassLoader(urls); 
                       ResourceBundle bundle = getBundle("message", FacesContext.getCurrentInstance().getViewRoot().getLocale(), loader);
                       setParent(bundle);
                       } catch (MalformedURLException ex) { }
       }
      .
      .
      .
    }

Otherwise, get the bundle from getBundle method but locale from others source like Locale.getDefault(), the new (RB)class may not require in this case.