speakable strings

src/main/java/ilarkesto/base/Str.java

@@ -1,14 +1,14 @@
 /*
  * Copyright 2011 Witoslaw Koczewsi <[email protected]>, Artjom Kochtchi
- * 
+ *
  * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero
  * General Public License as published by the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
  * License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License along with this program. If not, see
  * <http://www.gnu.org/licenses/>.
  */
@@ -38,8 +38,7 @@
 public class Str extends ilarkesto.core.base.Str {
 
 	public static void main(String[] args) {
-		System.out.println(activateLinksInHtml(toHtml("abc <http://koczewski.de?x=x&y=y>"), null));
-		System.exit(0);
+		System.out.println(getSimilarity("St. Märgen", "Sankt Märgen"));
 	}
 
 	private static final char[] UNICODE_CHARS = new char[] { ue, UE, oe, OE, ae, AE, sz, EUR };
@@ -52,6 +51,7 @@ public static void main(String[] args) {
 	private static final Object UIDLOCK = new Object();
 
 	public static List<String> tokenize(String s, String delimiters) {
+		if (s == null) return Collections.emptyList();
 		List<String> ret = new ArrayList<String>();
 		StringTokenizer tokenizer = new StringTokenizer(s, delimiters);
 		while (tokenizer.hasMoreTokens()) {
@@ -134,36 +134,6 @@ public static String generateRandomSentence(int minWords, int maxWords, int minW
 		return sb.toString();
 	}
 
-	public static boolean isSpeakable(String s) {
-		if (s == null) return false;
-		s = s.toLowerCase();
-
-		String vovels = "aeiouyäüö";
-
-		int vovelsInRow = 0;
-		int consonantsInRow = 0;
-
-		for (int i = 0; i < s.length(); i++) {
-			char ch = s.charAt(i);
-			String c = String.valueOf(ch);
-			if (!Character.isLetter(ch)) {
-				vovelsInRow = 0;
-				consonantsInRow = 0;
-			} else if (vovels.contains(c)) {
-				vovelsInRow++;
-				consonantsInRow = 0;
-			} else {
-				consonantsInRow++;
-				vovelsInRow = 0;
-			}
-			if (vovelsInRow >= 4 || consonantsInRow >= 5) return false;
-		}
-
-		if (s.length() == consonantsInRow) return false;
-
-		return true;
-	}
-
 	public static String generateRandomWord(int minLength, int maxLength, boolean uppercase) {
 		String vovels = "aeiouy";
 		String consonants = "bcdfghjklmnpqrstvwxz";