public class Encrypt
{
    //instance field
    String keyword; //"elvispresley"
    String alphabet;
    String plaintext; //"all your base are belong to us"
    int encrypted[];
    int length;
    public char ch;
    //constructor
   public Encrypt(String k, String p)
    {   //assigning the Strings
        keyword = "elvispresley";
        putKeyword();
        String alphabet = "e l v i s p r y a b c d f g h j k m n o p q r t u w x z";
        buildAlphabet();
        plaintext = "all your base are belong to us";
        encrypted = new int[plaintext.length()];
        encrypt();
    }


    public void putKeyword()
    {
        StringBuffer alpha = new StringBuffer();
        alpha.append(keyword.charAt(0));
        for(int i = 1; i < keyword.length(); i++ )
        {
            boolean found = false;
            for(int j = 0; j < alpha.length(); j++)
            {
                if(keyword.charAt(j) == keyword.charAt(i))
                {
                     found = true;
                }
            }
            if(!found)
            {
                alpha.append(keyword.charAt(i));
            }

        }
        alpha.toString();
       alphabet = alpha.toString();
    }

    public void buildAlphabet()
    {
        StringBuffer alpha = new StringBuffer();
        int len = alpha.length();
        for(char ch = 'a'; ch <= 'z'; ch++)
        {
           boolean found = false;
            for(int j = 0; j < len; j++)
            {
                if(alpha.charAt(j) == ch)
                {
                found = true;
                }
                else
                {
                 alpha.append(keyword.charAt(ch));
                }
                alphabet = alpha.toString();
                }
            }
        }

     public void encrypt()
     {
         for(int i = 0; i < plaintext.length(); i++)
         {
            encrypted[i] = getIndex(plaintext.charAt(i));
         }
     }
     public int getIndex(char ch)
     {
         int o = 0;
         for(int i = 0; i < alphabet.length(); i++)
         {

             if(ch == alphabet.charAt(i))
             o = i;
         }
         return o;
     }
     public String getAlphabet()
     {
         return alphabet;
     }

     public int[] getEncrypted()
     {
         return encrypted;
     }

     public void printEncrypted()
     {
         final StringBuffer buf = new StringBuffer();
         buf.append("Array");
         for (int i = 0; i < length; i++)
            {
              if (i != 0) buf.append(", ");
               buf.append(encrypted[i]);
            }
     }
}