/*
* method to return a HashSet of words lower-cased and read from the file
* passed in as a parameter
*/
public HashSet<String> readDictionary(FileResource fr) {
// create a HashSet which you will be returning
HashSet<String> dict = new HashSet<String>();
for (String line : fr.lines()) {
// convert to lowercase and add to the dictionary
line = line.toLowerCase();
dict.add(line);
}
return dict;
}
public void testReadDictionary() {
FileResource fr = new FileResource("dictionaries/English");
HashSet<String> dict = readDictionary(fr);
System.out.println("dict has " + dict.size() + " entries");
Iterator<String> it = dict.iterator();
for (int i = 0; i < 25; i++) {
if (it.hasNext()) {
System.out.println(i + "\t" + it.next());
}
}
}
public void testMostCommonCharIn() {
FileResource fr = new FileResource("dictionaries/English");
HashSet<String> dict = readDictionary(fr);
System.out.println("English dict has " + dict.size() + " entries");
char mostCommon = mostCommonCharIn(dict);
System.out.println(" most common char: " + mostCommon);
FileResource fr1 = new FileResource("dictionaries/Spanish");
HashSet<String> dict1 = readDictionary(fr1);
System.out.println("Spanish dict has " + dict1.size() + " entries");
mostCommon = mostCommonCharIn(dict1);
System.out.println(" most common char: " + mostCommon);
}
/*
* returns # of valid words given message and dictionary against which to check words in
* the message. Lowercases the word before checking in dictionary
*/
public int countWords(String message, HashSet<String> dictionary) {
int validWords = 0;
int totalWords = 0;
// split the message into words
for (String word : message.split("\\W")) {
totalWords++;
word = word.toLowerCase();
if (dictionary.contains(word)) {
validWords++;
}
}
System.out.println("total words: " + totalWords + " valid words: " + validWords);
return validWords;
}
