Metoda pro rozparsovani textu pred encryptaci

gistfile1.java

    void prepareStringToEncrypt() {
        this.pairsToEncrypt = new HashMap<Integer, String>();
        String alterTextToEncrypt = this.textToEncrypt.replaceAll(" ", "");
        alterTextToEncrypt = Normalizer.normalize(alterTextToEncrypt, Form.NFD).replaceAll("[^\\p{ASCII}]", "");
        alterTextToEncrypt = alterTextToEncrypt.replaceAll("[^A-Z]", "");
//System.out.println( "e "+this.password+" "+alterTextToEncrypt);
        int increment = 0;
        int index = 0;
        if (alterTextToEncrypt.length() % 2 != 0) {
            alterTextToEncrypt = alterTextToEncrypt.concat("X");
        }
        for (char ch : alterTextToEncrypt.toCharArray()) {
            if (increment % 2 == 0) {
                this.pair = String.valueOf(ch);
                increment++;
            } else {
	//ZDE POKUD JE KLIC RADIO, TAK PRI ROVNOSTI PO SOBE JDOUCICH DVOU ZNAKU PRIDAM X
                if (this.password.equals("RADIO")) {
                    if (String.valueOf(ch).equals(this.pair)) {
                        this.pair += getFiller();
                        increment++;
                        this.pairsToEncrypt.put(index++, this.pair);

                        this.pair = String.valueOf(ch);
                        increment++;
                    } else {
                        this.pair += String.valueOf(ch);
                        //System.out.print(pair+" ");
                        this.pairsToEncrypt.put(index++, this.pair);

                        increment++;
                    }
                } else {
//STANDARDNI PRIPAD, ZDE NEPRIDAVAM X MEZI STEJNE ZNAKY VE DVOJICI
                    this.pair += String.valueOf(ch);
                    //System.out.print(pair+" ");
                    this.pairsToEncrypt.put(index++, this.pair);

                    increment++;
                }
            }
			if (alterTextToEncrypt.length() % 2 != 0) {
	            alterTextToEncrypt = alterTextToEncrypt.concat("X");
	        }
        }
        //System.out.println("");
    }