readproperty.java

物流管理系统的登录模块及其他功能模块

package com.zzrd.j60.p100.common;

import java.io.FileInputStream;
import java.util.Properties;
/**
 * 功能介绍<br>
 * ReadProperty生成<br>
 *
 *
 */
public class ReadProperty{

    /* 声明变量*/
    private static FileInputStream is = null;

    private static Properties props;


    /**
     * 取得String值 <br>
     * @return String值 <br>
     * @param sPropName <br>
     * @param[sPropName] <br>
     * @exception[Exception] <br>
     */
    public static String getString(String sPropName) throws Exception{
        String sPropValue = String.valueOf(-1);
        open();
        sPropValue = props.getProperty(sPropName);
        close();
        return sPropValue;
    }

    /**
     * 取得int值
     * @return int值
     * @params PropName
     * @param[sPropName]
     * @exception[Exception]
     */
    public static int getInt(String sPropName) throws Exception{
        int nPropValue = -1;
        open();
        nPropValue = Integer.parseInt(props.getProperty(sPropName));
        close();
        return nPropValue;
    }

    /**
     * 打开property file
     * @return[无]
     * @param[无]
     * @param[无]
     * @exception[Exception]
     */
    private static synchronized void open() throws Exception{
        props = new Properties();
        ReadProperty rp = new ReadProperty();
        String path = rp.findPath();
        is = new FileInputStream(path);
        props.load(is);
    }

    /**
     * 关闭property file
     * @return[无]
     * @param[无]
     * @param[无]
     * @exception[Exception]
     */
    private static void close() throws Exception{
        is.close();
    }

    /**
     * 取得property file的路径
     * @return property file 路径
     */
    private String findPath() throws Exception{
        String path = this.getClass().getClassLoader().getResource("").getPath();
        int pathLength = path.length();
        path = path.substring(1,pathLength - 8);
        path = path + "lib/Resource.properties";
        return path;
    }
}