locale.java

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package org.gamecollege.j2me.rpg;

import java.io.InputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Hashtable;

/**
 * 文本资源读取类
 *  
 */
public class Locale {
	//单例
	private final static Locale instance = new Locale();

	//映射
	private static Hashtable map;

	//私有构造函数
	private Locale() {
		map = new Hashtable();
		InputStream is = null;
		try {
			is = this.getClass().getResourceAsStream("/locale.txt");
			boolean done = false;
			char buffer[] = new char[1];

			StringBuffer line = new StringBuffer();
			InputStreamReader isr = new InputStreamReader(is);
			// read a line and add the entries
			while (!done) {
				int bytesRead = isr.read(buffer);
				if (bytesRead != -1) {
					//读取一行
					if (buffer[0] == '\n') {
						String s = line.toString().trim();
						//跳过用'#'开头的行，跳过不带'='的行

						if (!s.startsWith("#") && s.length() > 2
								&& s.indexOf('=') != -1) {
							String key = s.substring(0, s.indexOf('=')).trim()
									.toLowerCase();
							String value = s.substring(s.indexOf('=') + 1)
									.trim();

							map.put(key, value);

						}
						line.setLength(0);
					} else
						line.append((char) buffer[0]);
				} else
					done = true;

			}

		} catch (IOException io) {
		}

		finally {
			try {
				is.close();
			}

			catch (IOException io) {
			}
		}
	}
	
	/**
	 * 获取某个key对应的字串
	 * @param key
	 * @return
	 */

	public static String getString(String key) {
		String s = (String) map.get(key.toLowerCase());
		if (s != null)
			return s;

		return key;
	}

}