String&XML-1.1

//停止监听
    public void desFileLister()
    {
        if(FMap.size()>0)
        {
            Iterator<String>it=FMap.keySet().iterator();
            while(it.hasNext())
            {
                String key=(String)it.next();
                FMap.get(key).cancel();
            }
        }
    }
   
    //加载配置文件配置信息
    private Properties loadProperties()
    {
        Properties prop=new Properties();
        FileInputStream in=null;
        InputStreamReader reader=null;
      
        try
        {
            if(configFile!=null)
            {
                in=new FileInputStream(configFile);
                prop.load(in);
            }
            else
            {
                configFile=defaultConfigFile;
                //根据文件名加载到其内容
                URL url=this.getClass().getClassLoader().getResource(defaultConfigFile);
                reader=new InputStreamReader(url.openStream());
                prop.load(reader);
               
            }
            //print all properties
            Enumeration<?> enu=prop.propertyNames();
            logger.info("Load configuration file[" + configFile + "] start...");
            while (enu.hasMoreElements())
            {
                String key = (String) enu.nextElement();
                logger.info(" key: " + key + ",     value: "
                        + prop.getProperty(key));
            }
            logger.info("Load configuration file[" + configFile + "] success.");         
           
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        return prop;
    }
   
    //对外开放的方法,可以取到监听的文件配置数据
    public static String getProperty(String fileName,String key)
    {
        //如果size为0,则程序没有启动,先启动程序
        if(FMap.size()==0)
        {
            synchronized (FileManager.class)
            {
                if(FMap.size()==0)
                {
                    startService();
                }
            }
        }
        Object obj=FMap.get(fileName);
        if(obj!=null)
        {
            FileListener listener=(FileListener) obj;
            if(listener.isFileFlag())
            {
                return listener.getProperties().getProperty(key);
            }
            else
            {
                return key;
            }
        }
        else
        {
            return null;
        }
    }
   
    /**
     * Function得不到配置文件中的内容时,返回defaultValue的值
     */
    public static String getProperty(String fileName,String key,String defaultValue)
    {
        String value=getProperty(fileName, key);
        if(value==null)
        {
            value=defaultValue;
        }
       
        return value;
    }
    /**
     * 提供给ESB使用的方法,取ESB配置文件数据
     */
    public static String getESBProperty(String key)
    {
        return getProperty("esb.properties", key);
    }
    /**
     * 启动监听服务
     */
    private static void startService()
    {
        FileManager fm=new FileManager();
        fm.regFileListener();
    }
   
}