ResourceString.java

package org.insightech.er;

import java.text.MessageFormat;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Locale;
import java.util.Map;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.TreeMap;

public class ResourceString {

    public static final String KEY_DEFAULT_VALUE_EMPTY_STRING = "label.empty.string";

    public static final String KEY_DEFAULT_VALUE_CURRENT_DATE_TIME = "label.current.date.time";

    private static ResourceBundle resource = ResourceBundle.getBundle("org.insightech.er.ERDiagram");

    private static ResourceBundle resourceEn = ResourceBundle.getBundle("org.insightech.er.ERDiagram", Locale.ROOT);

    private static ResourceBundle resourceJa = ResourceBundle.getBundle("org.insightech.er.ERDiagram", Locale.JAPAN);

    public static String getResourceString(final String key) {
        return getResourceString(key, null);
    }

    public static String normalize(final String key, final String value) {
        if (equals(key, value)) {
            return getResourceString(key);
        }

        return value;
    }

    public static boolean equals(final String key, final String value) {
        if (value == null) {
            return false;
        }

        if (value.equals(resourceEn.getString(key))) {
            return true;
        } else if (value.equals(resourceJa.getString(key))) {
            return true;
        }

        return false;
    }

    public static String getResourceString(final String key, final String[] args) {
        try {
            String string = resource.getString(key);
            string = MessageFormat.format(string, args);
            // string = string.replaceAll("\\\\r\\\\n", "\r\n");

            return string;
        } catch (final MissingResourceException e) {
            return key;
        }
    }

    public static Map getResources(final String prefix) {
        final Map<String, String> props = new TreeMap<String, String>(Collections.reverseOrder());
        final Enumeration keys = resource.getKeys();

        while (keys.hasMoreElements()) {
            final String key = (String) keys.nextElement();
            if (key.startsWith(prefix)) {
                props.put(key, resource.getString(key));
            }
        }

        return props;
    }
}