RandomStringGenerator

import java.util.ArrayList;
/*
 * File Name: RandomStringGenerator.java
 * Package Name: N/A
 * Application Name: Random String Generator
 *
 * Version Info: 1.0.0
 * Version Date: 09-09-2014
 *
 * Creator: Corey D. Eacret
 * Website: http://www.appdappdev.com
 * Contact: appdapp@gmail.com
 *
 * Description:
 * This is the main class file for the Random String Generator application. This program
 * will take user input, including type of string (mixed or single), and string length
 * then produce a string of said length and type. The user can then choose to either
 * produce another string, or finish the application. Error checking keeps the user from
 * entering any bad data.
 *
 */


public class RandomStringGenerator {

    public static void main (String args[]) {

        int inputLength = 0;
        char inputType = 'a';
        char inputRepeat = 'y';
        // These variables let us define what options we allow for certain user input later on.
        char[] errorCheckLength = {'a','b','c','d','e','A','B','C','D','E'};
        char[] errorCheckRepeat = {'y','n','Y','N'};
        boolean keepAlive = true;

        // These variables store the basic text output used in various parts of the program.
        String programHeader = "***************************************\r\n*       Random String Generator       *\r\n***************************************";
        String textType = "\r\nWhat Type Of String Do You Want?\r\n\r\nA = Mixed Alpha Numeric w/Symbols\r\nB = Mixed Alpha Numeric\r\nC = Just Alpha\r\nD = Just Numeric\r\nE = Just Symbols\r\n";
        String textLength = "\r\nHow long would you likle the string of characters to be?";
        String textRepeat = "\r\n\r\nWould you like to generate another string?\r\nType a 'y' for Yes, or 'n' for No.";
        String textGenerated = "\r\nHere is your generated random string: \r\n";
        String inputText = "\r\nPlease Enter Your Choice Here:  ";

        // Here are the two objects we need for this program.
        InputHandler getInput = new InputHandler();
        RandomGenerator getString = new RandomGenerator();

        // This is the fancy little header. I like to make things look pretty.
        System.out.println(programHeader);

        // Now we start our loop that does the actually generation. As long as the user hits 'y' when
        // the program asks, this stays true.
        while (keepAlive==true) {

            // Here we start using our two separate input handlers to get settings from the user.
            System.out.print(textType);
            inputType = getInput.inputChar(inputText,errorCheckLength);
            System.out.print(textLength);
            inputLength = getInput.inputInt(inputText);
            System.out.print(textGenerated);

            // Now we call to the Random generator to get the actual random string they requested.
            ArrayList<String> outputRnd = getString.randGenerator(inputType,inputLength);

            // An enhanced for loop to walk through the array containing the random string.
            for (String a:outputRnd) {
                System.out.print(a);
            }

            // We ask the user if they want to generate another random string.
            System.out.print(textRepeat);
            inputRepeat = getInput.inputChar(inputText,errorCheckRepeat);

            // A simple if else to test what answer the user gave, and either repeat or stop.
            if (inputRepeat == 'y'  || inputRepeat == 'Y') {
                keepAlive = true;
            }
            else if (inputRepeat == 'n' || inputRepeat == 'N') {
                keepAlive = false;
            }

        }
    }
}