linux properties 出现java.io.FileNotFoundException

原因为：之前写的properties工具类只支持Windows平台，以下是兼容 windows和linux两个平台的 properties工具类

package com.cpcnet.util;

import java.io.*;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;



public class PropertiesUtil {
	
    /** 
	     * 得到某一个类的路径 
	     *  
	     * @param name 
	     * @return 
	     */  
	    public static String getPath(Class name) {  
	        String strResult = null;  
	        if (System.getProperty("os.name").toLowerCase().indexOf("window") > -1) {  
	            strResult = name.getResource("/").toString().replace("file:/", "")  
	                    .replace("%20", " ");  
	        } else {  
	            strResult = name.getResource("/").toString().replace("file:", "")  
	                    .replace("%20", " ");  
	        }  
	        return strResult;  
	    }  
	    /** 
	     * 读取所有的property 
	     * @param filename properties文件路径 
	     * @return 所有的property的集合(map形式) 
	     */  
	    @SuppressWarnings("unchecked")  
	    public static Map<String, String> getPropties(String filename) {  
	        if (null == filename) {  
	            return null;  
	        }  
	        String filePath = getPath(PropertiesUtil.class) + filename;  
	        Properties props = new Properties();  
	        InputStream in = null;  
	        try {  
	            in = new BufferedInputStream(new FileInputStream(filePath));  
	            props.load(in);  
	            Map<String, String> map = new HashMap<String, String>();  
	            Enumeration en = props.propertyNames();  
	            while (en.hasMoreElements()) {  
	                String key = (String) en.nextElement();  
	                String Property = props.getProperty(key);  
	                map.put(key, Property);  
	            }  
	            return map;  
	            // 关闭资源  
	        } catch (FileNotFoundException e) {  
	            e.printStackTrace();  
	        } catch (IOException e) {  
	            e.printStackTrace();  
	        } finally {  
	            try {  
	                in.close();  
	            } catch (IOException e) {  
	                // TODO Auto-generated catch block  
	                e.printStackTrace();  
	            }  
	        }  
	        return null;  
	    }  
	    /** 
	     * 获取某个property的值 
	     * @param filename 文件名 
	     * @param key  property的key 
	     * @return property的value 
	     */  
	    public static String getProp(String filename, String key) {  
	        if (null == filename || null == key) {  
	            return null;  
	        }  
	        String filePath = getPath(PropertiesUtil.class) + filename;  
	        Properties props = new Properties();  
	        InputStream in = null;  
	        try {  
	            in = new BufferedInputStream(new FileInputStream(filePath));  
	            props.load(in);  
	            return props.getProperty(key);  
	            // 关闭资源  
	        } catch (FileNotFoundException e) {  
	            e.printStackTrace();  
	        } catch (IOException e) {  
	            e.printStackTrace();  
	        } finally {  
	            try {  
	                in.close();  
	            } catch (IOException e) {  
	                // TODO Auto-generated catch block  
	                e.printStackTrace();  
	            }  
	        }  
	        return null;  
	    }  
	 
	
}