/**
* Construction du Cryptotron
*
* @param src - source à crypter ou décrypter
* @param mode - Crytpage ou Decryptage
* @param cryptCentage
* @param caeserKey
*/
public Cryptotron(String src, CryptModeEnum mode, int cryptCentage, List<Integer> caeserKey) {
this.src = src;
this.mode = mode;
this.centage = cryptCentage;
this.centageBDecimal = new BigDecimal(this.centage);
this.centageBDecimal = this.centageBDecimal.divide(BIGDEC_100, 2, RoundingMode.HALF_UP);
this.keyList = caeserKey;
this.split = CryptotronUtils.splitIntoWordsAndSpaces(this.src, this.mode);
}
/**
* Retourne la source traité par le {@link Cryptotron}
*
* @return
*/
public String cypher() {
if (this.centage == 0) return this.src;
int nbWord = split.getWordIndexSet().size();
TreeSet<Integer> cypheredIndex = new TreeSet<Integer>();
// Selection des indexs mots à traiter
Integer[] wordIndexArray = new Integer[split.getWordIndexSet().size()];
split.getWordIndexSet().toArray(wordIndexArray);
for (int i = 0; i < nbWord; i++) {
if (i < split.getWordIndexSet().size() && isCyphered(cypheredIndex.size(), i))
cypheredIndex.add(wordIndexArray[i]);
}
this.cypheredIndex = cypheredIndex;
// sur tout les mots à crypter
List<String> cryptedResult = new ArrayList<String>();
for (int i = 0; i < split.getListOfWordsAndWhiteSpace().size(); i++) {
String cypher = split.getListOfWordsAndWhiteSpace().get(i);
if (!cypheredIndex.contains(new Integer(i)) || CryptotronUtils.isWhiteSpaceOnly(cypher)) {
// Pas chiffré
cypher = split.getListOfWordsAndWhiteSpace().get(i);
} else {
cypher = cryptIt(cypher, mode);
}
cryptedResult.add(cypher);
}
StringBuilder sb = new StringBuilder();
for (String cypher : cryptedResult) {
sb.append(cypher);
}
return sb.toString();
}
/** @param mode the mode to set */
public void setMode(CryptModeEnum mode) {
this.mode = mode;
this.split = CryptotronUtils.splitIntoWordsAndSpaces(this.src, this.mode);
}
/** @param src the src to set */
public void setSrc(String src) {
this.src = src;
this.split = CryptotronUtils.splitIntoWordsAndSpaces(this.src, this.mode);
}
