001    package com.thaiopensource.relaxng.impl;
002    
003    import java.util.StringTokenizer;
004    
005    class StringNormalizer {
006      static String normalize(String s) {
007        StringBuffer buf = new StringBuffer();
008        for (StringTokenizer e = new StringTokenizer(s); e.hasMoreElements();) {
009          if (buf.length() > 0)
010            buf.append(' ');
011          buf.append((String)e.nextElement());
012        }
013        return buf.toString();
014      }
015    }