mafoo.org.uk/wordbubbles
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oops, missing a file

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Matthew Slowe 2015-11-21 19:54:53 +00:00
parent 75c45370e9
commit fdcdacf5d3
1 changed files with 52 additions and 0 deletions
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uk/org/mafoo/wordbubbles/Lexicon.java Normal file
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package uk.org.mafoo.wordbubbles;
import java.util.*;
import java.io.*;
public class Lexicon {
HashMap<String, Object> words = new HashMap<String, Object>();
HashMap<String, Object> prefixes = new HashMap<String, Object>();
static final int maxwordlength = 9;
public Lexicon (ArrayList<String> wordlist) {
for (String word : wordlist) {
if(word.length() > maxwordlength) continue;
word = word.toLowerCase();
words.put(word, true);
char[] word_a = word.toCharArray();
String prefix = "";
for(int i=0; i<maxwordlength && i<word_a.length; i++) {
prefix += word_a[i];
prefixes.put(prefix, true);
}
}
}
public boolean checkWord(String word) {
// System.out.println("Checking word: " + word + " -> " + words.containsKey(word));
return words.containsKey(word);
}
public boolean checkPrefix(String prefix) {
// System.out.println("Checking prefix: " + prefix + " -> " + prefixes.containsKey(prefix));
return prefixes.containsKey(prefix);
}
public static Lexicon loadLexiconFromFile(String file) throws FileNotFoundException, IOException {
FileReader fr = new FileReader(file);
BufferedReader br = new BufferedReader(fr);
String s;
ArrayList<String> strings = new ArrayList<String>();
while((s = br.readLine()) != null) {
if(s.length() <= maxwordlength)
strings.add(s);
}
fr.close();
return new Lexicon(strings);
}
public String toString() {
return "Lexicon object with " + words.size() + " words and " + prefixes.size() + " word prefixes";
}
}