java读取本地properties文件

package cn.edu.hbcf.pojo;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;

public class CustomizedPropertyConfigurer{

    public static Object getContextProperty(String name) {
        
        Map<String, Object> ctxPropertiesMap = new HashMap<String, Object>();
        
        Properties prop = new Properties();
        try {
            InputStream in = CustomizedPropertyConfigurer.class.getClassLoader().getResourceAsStream("system.properties");
            prop.load(in);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        Iterator<String> it = prop.stringPropertyNames().iterator();
        while(it.hasNext()){
            String key = it.next();
            String value = prop.getProperty(key);
            System.out.println(key+":"+value);
            ctxPropertiesMap.put(key, value);
        }
        return ctxPropertiesMap.get(name); 
    }
}