lingualresource.java

来自「java与模式 一书的源码」· Java 代码 · 共 61 行

package com.javapatterns.multilingual;

import java.util.HashMap;
import java.util.Locale;
import java.util.ResourceBundle;

public class LingualResource
{
    private String languageCode = "en";
    private String regionCode = "US";
    private String localeCode = "en_US";
    private static final String FILE_NAME = "res";

   /**
     * @label Creates 
     */
    private static HashMap instances = new HashMap(10);
    private Locale locale = null;
    private ResourceBundle resourceBundle = null;

    /**
     * @clientCardinality 1
     * @supplierCardinality 0..*
     * @directed
     * @label Creates 
     */
    private LingualResource lnkLingualResource;

	private LingualResource(String languageCode, String regionCode)
    {
        this.localeCode = languageCode;
        this.regionCode = regionCode;
        localeCode = makeLocaleCode(languageCode , regionCode);

		locale = new Locale(languageCode, regionCode);

		resourceBundle = ResourceBundle.getBundle(FILE_NAME, locale);

        instances.put( makeLocaleCode(languageCode, regionCode) , resourceBundle);
    }

    private LingualResource()
    {
        //do nothing
    }

    public synchronized static LingualResource getInstance(String language, String region)
    {
        return new LingualResource( language, region );
    }

	public String getLocaleString(String code)
    {
		return resourceBundle.getString(code);
    }

    private static String makeLocaleCode(String language, String region)
    {
		return language + "_" + region;
	}
}