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Thread: Java licensing system URGENT

  1. #1
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    Default Java licensing system URGENT

    Hello, Sorry to bother you busy people

    I've got a client i dont trust will pay me after a week of testing the program i have developed.

    Could somebody direct me as to where i could go for a tutorial or a way of going to create a demo license for this program, After a week it will stop working. Then i will give him the full version..

    Need this urgent have to meet client in 3 hours.

    Don't give me code just point me in the right direction, This will come handy in my future programs


  2. #2
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    Default Re: Java licensing system URGENT

    nobody culd help so i did a dodgy trial system for now..

    import java.io.FileNotFoundException;
    import java.io.FileReader;
    import java.io.FileWriter;
    import java.io.IOException;
    import java.io.PrintWriter;
    import java.util.Scanner;
     
    import javax.swing.JOptionPane;
     
     
    public class license {
     
    	public static boolean Expired;
     
    	public license() throws Exception{
     
    		FileReader file;
    		try {
    			file = new FileReader("AD Converter/temp/comp.txt");
    			Scanner scan = new Scanner(file);
     
    		    String licno = scan.next();
    		    Integer.parseInt(licno);
     
    		    int tempOut = Integer.parseInt(licno);
    		    tempOut = tempOut - 1;
     
     
    		    if(Integer.parseInt(licno) <= 0){
    		    	JOptionPane.showMessageDialog(null, "Sorry, Your trial has expired. Please purchase the product for unlimited use!");
    		    	Expired = true;
    		    }
    		    else if(Integer.parseInt(licno) <= 40){
    		    	JOptionPane.showMessageDialog(null, "You current have: " + licno + " uses left.");
    		    	PrintWriter out = new PrintWriter(new FileWriter("AD Converter/temp/comp.txt"));
    		    	System.out.println(tempOut + " Value");
    		    	out.print(tempOut);
    		    	Expired = false;
    		    	out.close();
    		    }
     
    		} catch (Exception e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		}
     
    	}
     
    }

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