oops, missing a file

uk/org/mafoo/wordbubbles/Lexicon.java

@@ -0,0 +1,52 @@
+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";
+	}
+}