Thread: Problem With Properties (+SSCEE)

It won't load the properties right! I am using java.util.Properties, but it isn't working! I just want a really simple way to store variables, hich I usually do with properties, but this time it isn't working. Here is the SSCEE (I think thats the right way you name it)

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;
 
public class SSCEE 
{
	public static void main(String[] args) throws Exception
	{
		Properties prop = new Properties();
		File f = new File(System.getProperty("user.home")+"/DogWalking/user-info/user.properties");
		FileOutputStream out = null;
		FileInputStream in = null;
		if(!f.exists())
		{ //Creates and sets defaults fine...
			new File(System.getProperty("user.home")+"/DogWalking/user-info/").mkdirs(); //Create directory
			f.createNewFile();//Create file
			in = new FileInputStream(f);
			out = new FileOutputStream(f);
			System.out.println("Created a new user.properties! Setting default values");
			prop.setProperty("timeWalked", "0");
			prop.setProperty("moneyGained", "0");
			prop.store(out, "--No Comment--");
			out.flush();
			out.close();
			prop.load(in);
			in.close();
			System.out.println(prop);
		}else if(f.exists())
		{ //Finds nothing
			in = new FileInputStream(f);
			out = new FileOutputStream(f);
			System.out.println("Found a user.properties! Getting values!");
			prop.load(in);
			in.close();
			if(prop.containsKey("timeWalked") && prop.containsKey("moneyGained"))
			{
				System.out.println("Success!");
				System.out.println(prop);
			}else
				System.out.println("Fail! " + prop); //Every time goes here.
			prop.store(out, "--No Comment--"); //Just Checking for debugging purposes exactly what it does... and it prints nothing!
			out.flush();
			out.close();
		}
	}
}

All help is appreciated.

The first run it prints

Created a new user.properties! Setting default values
{moneyGained=0, timeWalked=0}

And the file looks like

#--No Comment--
#Thu Aug 25 13:50:39 PDT 2011
moneyGained=0
timeWalked=0

The second run (and all following) prints

Found a user.properties! Getting values!
Fail! {}

and the file looks like

#--No Comment--
#Thu Aug 25 13:52:43 PDT 2011

Thanks for any help!

With a few mods most of your code works:

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;
 
public class PropertiesProblem 
{
   final static String PropFN = "PropertiesProblem.ini";    //<<<<<<<<<
 
	public static void main(String[] args) throws Exception
	{
		Properties prop = new Properties();
		File f = new File(PropFN); //System.getProperty("user.home")+"/DogWalking/user-info/user.properties");
		FileOutputStream out = null;
		FileInputStream in = null;
		if(!f.exists())
		{ //Creates and sets defaults fine...
//			new File(System.getProperty("user.home")+"/DogWalking/user-info/").mkdirs(); //Create directory
//			f.createNewFile();//Create file
//			in = new FileInputStream(f);
			out = new FileOutputStream(f);
			System.out.println("Created a new user.properties! Setting default values");
			prop.setProperty("timeWalked", "0");
			prop.setProperty("moneyGained", "0");
			prop.store(out, "--No Comment--");
			out.flush();
			out.close();
 
			in = new FileInputStream(f);
			prop.load(in);
			in.close();
			System.out.println("created=" + prop);    // {moneyGained=0, timeWalked=0}
         /*
         Created a new user.properties! Setting default values
         created={moneyGained=0, timeWalked=0}
 
         */
 
 
 
		}else if(f.exists())
		{ //Finds nothing
			in = new FileInputStream(f);
//			out = new FileOutputStream(f);  // WHat does this do???
			System.out.println("Found a user.properties! Getting values!");
			prop.load(in);
			System.out.println("read=" + prop);
			in.close();
			if(prop.containsKey("timeWalked") && prop.containsKey("moneyGained"))
			{
				System.out.println("Success!");
			}else
				System.out.println("Fail! " + prop); //Every time goes here.
 
			out = new FileOutputStream(f);  // WHat does this do???
			prop.store(out, "--No Comment--"); //Just Checking for debugging purposes exactly what it does... and it prints nothing!
			out.flush();
			out.close();
         /*
         Found a user.properties! Getting values!
         read={moneyGained=0, timeWalked=0}
         Success!
 
         */
 
		}
	}
}