/*
   Name: Joseph Schuman
   Date: 3/15/2015
   File: Chapter 10 Assignment, TestMiscStringClass
   Descripetion: Test a string by calling the MiscString class
   and AnyString class. Creates a String array and calls the 
   MiscString class and AnyString class.

*/

import java.util.Scanner;

public class TestMiscStringClass {

   public static void main(String[] args) {
   
      String s;
      Scanner input = new Scanner(System.in);
   
      while(true) {
         
         System.out.println();
         System.out.print("Input string: ");
         s = input.nextLine();
         
         if(s.equals("")) {
            break;
         }
         
         MiscString strObj = new MiscString(s);
         System.out.println(); 
         System.out.println("*****String Check*****"); 
         System.out.println(); 
         System.out.println("String input: " + s);
         System.out.println("Object string: " + strObj.getString());
         System.out.println("Is object palindrome: " + strObj.checkPalindrome());
         System.out.println("Is object numeric palindrome: " + strObj.checkNumericPalindrome());
         System.out.println("Is palindrome: " + MiscString.checkPalindrome(s));
         System.out.println("Object string length: " + strObj.getLength());
         System.out.println("Object string toString: " + strObj.toString());
         System.out.println("Object string lowercase: " + strObj.toLowerCase());
         System.out.println("Object string uppercase: " + strObj.toUpperCase());
         MiscString obj = new MiscString("abc");
         System.out.println("Object string equal: " + strObj.equals(obj));
         System.out.println("Object string isLetters: " + strObj.isLetters());
         System.out.println("Object string isNumeric: " + strObj.isNumeric());
         
      }

      char[] chArray = {'a', 'b', 'c'};
      MiscString strObj = new MiscString(chArray);
      System.out.println(); 
      System.out.println("*****Character Array Check*****"); 
      System.out.println(); 
      System.out.println("String input: " + s);
      System.out.println("Object string: " + strObj.getString());
      System.out.println("Is object palindrome: " + strObj.checkPalindrome());
      System.out.println("Is object numeric palindrome: " + strObj.checkNumericPalindrome());
      System.out.println("Is palindrome: " + MiscString.checkPalindrome(s));
      System.out.println("Object string length: " + strObj.getLength());
      System.out.println("Object string toString: " + strObj.toString());
      System.out.println("Object string lowercase: " + strObj.toLowerCase());
      System.out.println("Object string uppercase: " + strObj.toUpperCase());
      MiscString obj = new MiscString("abc");
      System.out.println("Object string equal: " + strObj.equals(obj));
      System.out.println("Object string isLetters: " + strObj.isLetters());
      System.out.println("Object string isNumeric: " + strObj.isNumeric());

   }
   
}

/*
   Name: Joseph Schuman
   Date: 3/15/2015
   File: Chapter 10 Assignment, MiscString
   Descripetion: Contains code to manipulate a
   string and check to see if a string is all characters,
   numbers, and equals to a certain string. Shares abstract
   class with AnyString class.

*/

public class MiscString extends AnyString {

 
   // Constructor method - sets the object variable to
   // the string passed to it
   public MiscString(String s) {
   
      super(s);
      
   }
   
   // Constructor method - sets the object variable to
   // the character array passed to it
   public MiscString(char[] chArray) {
   
      super(chArray);
      
   }
     
      // Returns a lowercase string value
   public String toLowerCase() {
   
      return str.toLowerCase();
      
   }
   
   
   // Returns a uppercase string value
   public String toUpperCase() {
   
      return str.toUpperCase();
      
   }

   
   // Object/Instance method to determine if the object is a 
   // palindrome
   public boolean checkPalindrome() {
  
      // Convert to lowercase for testing - create resultString
      // to hold all the letters detected in lowerString
      String lowerString = str.toLowerCase();
      String resultString = "";
       
      // If letter found store it in resultString
      for(int i=0; i<lowerString.length(); i++) {
        if(Character.isLetter(lowerString.charAt(i))) {
           resultString = resultString + lowerString.charAt(i);
        }
      }
   
      // The index of the first character in the string
      int low = 0;
   
      // The index of the last character in the string
      int high = resultString.length() - 1;
   
      // Check if digits in resultString
      if(high < 0) {
         return false;
      }
      
      // Check if palindrome 
      boolean isPalindrome = true;
      while (low < high) {
        if (resultString.charAt(low) != resultString.charAt(high)) {
          isPalindrome = false;
          break;
        }
   
        low++;
        high--;
      }
  
      return isPalindrome;
   }

   
   // Object/Instance method to determine if the object is a 
   // numeric palindrome
   public boolean checkNumericPalindrome() {
  
      // Convert to lowercase for testing - create resultString
      // to hold all the letters detected in lowerString
      String lowerString = str.toLowerCase();
      String resultString = "";
       
      // If letter found store it in resultString
      for(int i=0; i<lowerString.length(); i++) {
        if(Character.isDigit(lowerString.charAt(i))) {
           resultString = resultString + lowerString.charAt(i);
        }
      }
   
      // The index of the first character in the string
      int low = 0;
   
      // The index of the last character in the string
      int high = resultString.length() - 1;
   
      // Check if digits in resultString
      if(high < 0) {
         return false;
      }
      
      // Check if palindrome 

      boolean isPalindrome = true;
      while (low < high) {
        if (resultString.charAt(low) != resultString.charAt(high)) {
          isPalindrome = false;
          break;
        }
   
        low++;
        high--;
      }
  
      return isPalindrome;
   }

   
   // Class method to determine if the string passed 
   // is a palindrome
   public static boolean checkPalindrome(String string) {
  
      // Convert to lowercase for testing - create resultString
      // to hold all the letters detected in lowerString
      String lowerString = string.toLowerCase();
      String resultString = "";
       
      // If letter found store it in resultString
      for(int i=0; i<lowerString.length(); i++) {
        if(Character.isLetter(lowerString.charAt(i))) {
           resultString = resultString + lowerString.charAt(i);
        }
      }
   
      // The index of the first character in the string
      int low = 0;
   
      // The index of the last character in the string
      int high = resultString.length() - 1;
   
      // Check if digits in resultString
      if(high < 0) {
         return false;
      }
      
      // Check if palindrome 
      boolean isPalindrome = true;
      while (low < high) {
        if (resultString.charAt(low) != resultString.charAt(high)) {
          isPalindrome = false;
          break;
        }
   
        low++;
        high--;
      }
  
      return isPalindrome;
   }
   
   
   // Returns boolean value base on string being
   // all letters
   public boolean isLetters() {
   
      boolean isLetters = true;
      
      for(int i=0; i<str.length(); i++) {
      
         if(!Character.isLetter(str.charAt(i))) {
         
            isLetters = false;
            break;
            
         }
      }
      
      return isLetters;
      
   }
   

   // Returns boolean value base on string being
   // all digits
   public boolean isNumeric() {
   
      boolean isNumeric = true;
      
      for(int i=0; i<str.length(); i++) {
      
         if(!Character.isDigit(str.charAt(i))) {
         
            isNumeric = false;
            break;
            
         }
      }
      
      return isNumeric;

   }
   
}

/*
   Name: Joseph Schuman
   Date: 3/15/2015
   File: Chapter 10 Assignment, AnyString
   Descripetion: Superclass that is inherited to the MiscString class.

*/

public class AnyString {

  // private variable hidden from user
   protected String str;

 // Constructor method - sets the object variable to
   // the string passed to it
   public AnyString(String s) {
   
      str = new String(s);
      
   }
   
   // Constructor method - sets the object variable to
   // the character array passed to it
   public AnyString(char[] chArray) {
   
      str = new String(chArray);
      
   }
   
   // Method to get the value of the string
   // and return to the caller
   public String getString() {
   
      return str;
      
   }

 //  Returns of length of the object variable
   public int getLength() {
   
      return str.length();
      
   }
   
   
   // Return the string value
   public String toString() {
   
      return str;
   
   }   
   // Returns boolean value based on two objects 
   // being equal
   public boolean equals(MiscString s) {
   
      return str.equals(s.getString());
   }
   

}