Slugger.java

package br.com.caelum.guj.view;

import java.text.Normalizer;
import java.text.Normalizer.Form;
import java.util.Locale;
import java.util.regex.Pattern;

public class Slugger {

	private static final Pattern NONLATIN = Pattern.compile("[^\\w-]");
	private static final Pattern WHITESPACE = Pattern.compile("[\\s]");

	public String sluggerize(String input) {
		String nowhitespace = WHITESPACE.matcher(input).replaceAll("-");
		String normalized = Normalizer.normalize(nowhitespace, Form.NFD);
		String slug = NONLATIN.matcher(normalized).replaceAll("");
		return slug.toLowerCase(Locale.ENGLISH);
	}

}