读取properties配置文件

package com.uuzone.comp.wite;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class PropertiesLoader ...{

    public static Map loadProperties(String configFile) ...{
        Properties properties = new Properties();
        FileInputStream fileStream = null;
        Map<String, String> map = new HashMap<String, String>();
        try ...{
            fileStream = new FileInputStream(configFile);
            properties.load(fileStream);
            // properties.loadFromXML(fileStream);

            if (properties == null) ...{
                System.out
                        .println("config file " + configFile + " not loaded!");
            } else ...{
                String smtpHost = properties.getProperty("smtpHost", "smtp.gmail.com");
                String emailUser = properties.getProperty("emailUser", "uuzonemail");
                String emailPassword = properties.getProperty("emailPassword", "1qaz2wsx");
                map.put("smtpHost", smtpHost);
                map.put("emailUser", emailUser);
                map.put("emailPassword", emailPassword);
//                String str1 = properties.getProperty("a", "11");
//                String str2 = properties.getProperty("b", "22");
//                System.out.println(str1);
//                System.out.println(str2);
            }
        } catch (IOException e) ...{
            System.out.println("Could not find "" + configFile + ""!");
        } finally ...{
            try ...{
                fileStream.close();
                properties = null;
            } catch (IOException e) ...{
            }
        }
        
        return map;
    }
    
    public static void main(String args[]) ...{
        System.out.println(loadProperties("E:/test.properties"));
    }
}