tools.java

模仿腾讯QQ的

package com.softfz.jn0708.util;

import java.awt.Font;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import javax.swing.UIManager;

/**
 * 工具类
 *  用于存储客户端的设置信息.
 * @author admin
 *
 */
public class Tools {

	public static Properties properties = null;
	
	
	/**
	 * 设置字体的方法
	 * @param font
	 */
	public static void setFont(Font font){
		
	    javax.swing.plaf.FontUIResource fontRes = new javax.swing.plaf.
	        FontUIResource(font);
	    java.util.Enumeration keys = UIManager.getDefaults().keys();
	    while (keys.hasMoreElements()) {
	      Object key = keys.nextElement();
	      Object value = UIManager.get(key);
	      if (value instanceof javax.swing.plaf.FontUIResource) {
	        UIManager.put(key, fontRes);
	      }
	    }
	}
	  	    
	
	/**
	 * 工具类_构造函数
	 *
	 */
	public Tools(){
		
		/**
		 * 获取配置信息.使用静态块加载默认配置信息.
		 */

			properties = new Properties();
			try {
				properties.load(new FileInputStream("./config.ini"));
			} catch (IOException e) {
//				JOptionPane.showMessageDialog(null, "获取配置信息出错!");
				Log.getInstance(Tools.class).log("获取配置信息!");
				Log.getInstance(Tools.class).log(e);
			}

	}
	
//	/**
//	 * 加载QQ对应设置信息.
//	 * 
//	 * @param dir
//	 *            QQ号码.
//	 */
//	public static void setProperties(String dir) {
//		File qqFile = new File("./log/" + dir);
//		if (qqFile.exists()) {// 如果对应的文件夹存在,则表示用户登录过,加载.
//			try {
//				properties.clear();
//				properties.load(new FileInputStream("./log/" + dir
//						+ "/selfset.ini"));
//			} catch (IOException e) {
//				Log.getInstance(Tools.class).log("获取配置信息!");
//				Log.getInstance(Tools.class).log(e);
//			}
//		} else {// 如果用户第一次登录,产生相应的文件夹.
//			qqFile.mkdir();
//			saveProperties(dir);
//		}
//	}
//
	/**
	 * 保存设置.
	 * 
	 */
	public static void saveProperties(String dir) {
		try {
			properties.store(new FileOutputStream("./" + dir
					+ "/config.ini"), null);
		} catch (Exception ex) {
			Log.getInstance(Tools.class).log(ex);
		}
	}		
	
	/**
	 * 写入日志文件的方法.
	 */
	public static void writeToLogFile(String str) {

		BufferedWriter bufferedWriter = null;
		FileWriter fileWriter = null;
		
		Date nowDate = new Date();
		DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		String nowTime = dateFormat.format(nowDate);
		
		str = "{"+nowTime+"} "+str+"\n";
		
		try {
			fileWriter = new FileWriter(new File("./Log.txt"),true);
			bufferedWriter = new BufferedWriter(fileWriter);
			bufferedWriter.write(str, 0, str.length());
			bufferedWriter.flush();
		} catch (IOException e) {
			Log.getInstance(Tools.class).log(e);
		}

	}	

	
}