wdzwdz
Posts: 3
Nickname: wdzwdz
Registered: Dec, 2002
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Re: how to use the '.ini' file in java program?
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Posted: Dec 4, 2002 5:44 PM
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package wdz200211151;
/**
* <p>Title: </p>
* <p>Description:Properties?????????????????????????????? </p>
* <p>Copyright: Copyright (c) 2002</p>
* <p>Company:netsky </p>
* <p>Date: 2002-11-15</p>
* @author wdz
* @version 1.0
*/
import java.util.*;
import java.io.*;
public class Untitled1 {
/** ????????????????
* Properties ??Hashtable????????????????????????????????????
* public class Properties extends Hashtable
*
* @param Properties ????????????????
* @param fileName ????????
* */
static public void saveProperties(Properties p,String fileName){
java.io.FileOutputStream out=null;
try {
out =new FileOutputStream(fileName) ;
}
catch(Exception e){
System.out.println("error create file error!"+e.getMessage());
}
try{
p.store(out,"saveproperty");
}
catch(Exception e){
System.out.println("error save file error!"+e.getMessage());
}
}
/** ????????????????
* Properties ??Hashtable????????????????????????????????????
* public class Properties extends Hashtable
*
* @param fileName ????????
* @return ??????????????????
* */
static public Properties loadProperties(String fileName){
Properties p=new Properties();
FileInputStream in=null ;
try{
in = new FileInputStream(fileName);}
catch(Exception e){
System.out.println("error create file error!"+e.getMessage());
}
try {
p.load(in);
}
catch(Exception e){
System.out.println("error load file error!"+e.getMessage());
}
return p;
}
/**????????????????????????????????????
* Properties ??Hashtable????????????????????????????????????
* public class Properties extends Hashtable
*
* @param Properties Properties????
* @sKey ????????
* @return ??????????????
* */
static public String getAPropertyValue(Properties p,String sKey){
String sValue="";
if (p.containsKey(sKey)){
sValue = p.getProperty(sKey);
}
return sValue;
}
/**????????????????????????????????
* Properties ??Hashtable????????????????????????????????????
* public class Properties extends Hashtable
*
* @param fileName ??????????????
* @param sKey ????????
* @return ??????????????
* */
static public String getAPropertyValue(String fileName,String sKey){
String value="";
Properties wdzp = loadProperties( fileName);
value = getAPropertyValue(wdzp,sKey);
return value;
}
public static void main(String[] args) {
Untitled1 untitled11 = new Untitled1();
String fileName="wdzwdz.txt";
Properties p = new Properties();
p.put("author","wdz");
p.put("date","2002-11-15");
p.put("corp","netsky");
p.put("description","Properties??????! ");
//test save Properties
saveProperties(p,fileName);
//test load Properties
Properties pp =loadProperties(fileName);
System.out.println(pp);
//test load Property from Properties list
String author = getAPropertyValue(pp,"author");
System.out.println("author="+author);
//test load Property from a file
String corp = getAPropertyValue(fileName,"corp");
System.out.println("corp="+corp);
}
}
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