import java.util.Vector;
import java.util.Enumeration;

public class StringUtil {

    public static Vector split(String s) {
        return split(s, ' ');
    }

    public static Vector split(String s, char delim) {
        Vector rv = new Vector();

        int i = 0;
        while( i < s.length() ) {
            StringBuffer buf = new StringBuffer();

            // Skip leading delimiters.
            while( (i < s.length()) && (s.charAt(i) == delim) ) {
                ++i;
            }

            // Each new non-delimiter is part of this element of the
            // split string.
            char ch;
            while( (i < s.length()) && ((ch = s.charAt(i)) != delim) ) {
                buf.append(ch);
                ++i;
            }

            rv.add(buf.toString());
        }

        return rv;
    }

    public static String join(Vector components) {
        return join(components, ' ');
    }

    public static String join(Vector components, char delim) {
        StringBuffer rv = new StringBuffer();
        Enumeration e = components.elements();
        for( int i = 0 ;  e.hasMoreElements() ; ++i ) {
            if( i != 0 ) {
                rv.append(delim);
            }
            rv.append(e.nextElement());
        }
        return rv.toString();
    }

}