Mega Code Archive
Customizing Resource Bundle Loading
<![CDATA[
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.Set;
public class XMLResourceBundleControl extends ResourceBundle.Control {
private static String XML = "xml";
public List<String> getFormats(String baseName) {
return Collections.singletonList(XML);
}
public ResourceBundle newBundle(String baseName, Locale locale, String format,
ClassLoader loader, boolean reload) throws IllegalAccessException, InstantiationException,
IOException {
if ((baseName == null) || (locale == null) || (format == null) || (loader == null)) {
throw new NullPointerException();
}
ResourceBundle bundle = null;
if (!format.equals(XML)) {
return null;
}
String bundleName = toBundleName(baseName, locale);
String resourceName = toResourceName(bundleName, format);
URL url = loader.getResource(resourceName);
if (url == null) {
return null;
}
URLConnection connection = url.openConnection();
if (connection == null) {
return null;
}
if (reload) {
connection.setUseCaches(false);
}
InputStream stream = connection.getInputStream();
if (stream == null) {
return null;
}
BufferedInputStream bis = new BufferedInputStream(stream);
bundle = new XMLResourceBundle(bis);
bis.close();
return bundle;
}
public static void main(String args[]) {
ResourceBundle bundle = ResourceBundle.getBundle("Strings", new XMLResourceBundleControl());
String string = bundle.getString("Key");
System.out.println("Key: " + string);
}
}
class XMLResourceBundle extends ResourceBundle {
private Properties props;
XMLResourceBundle(InputStream stream) throws IOException {
props = new Properties();
props.loadFromXML(stream);
}
protected Object handleGetObject(String key) {
return props.getProperty(key);
}
public Enumeration<String> getKeys() {
Set<String> handleKeys = props.stringPropertyNames();
return Collections.enumeration(handleKeys);
}
}
]]>