XMLResourceBundleControl.java Source code

Introduction

Here is the source code for XMLResourceBundleControl.java

Source

    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);
        }
    }

    The

    Strings.xml Resource Bundle

    <?xml version="1.0"encoding="UTF-8"?><!DOCTYPE properties SYSTEM"http://java.sun.com/dtd/properties.dtd</codeTitle><cnTitle></cnTitle><codeKeywords></codeKeywords><codeComments></codeComments><properties><entry key="Key</codeTitle><cnTitle></cnTitle><codeKeywords></codeKeywords><codeComments></codeComments>Value</entry>
</properties>