Places.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @author tags. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU Lesser General Public License, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package org.jboss.ballroom.client.util;

import com.gwtplatform.mvp.client.proxy.PlaceRequest;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Heiko Braun
 * @date 2/17/11
 */
public class Places {

    @Deprecated
    public static List<PlaceRequest> fromString(String urlString)
    {
        List<PlaceRequest> places = null;
        try {
            places = new ArrayList<PlaceRequest>();

            StringTokenizer tokenizer = new StringTokenizer(urlString, "/");
            while(tokenizer.hasMoreTokens())
            {
                parseSingleToken(places, tokenizer.nextToken());
            }

        } catch (Throwable e) {
            throw new RuntimeException("Error parsing token: " + urlString);
        }

        return places;
    }

    private static void parseSingleToken(List<PlaceRequest> places, String token) {

        if(token.contains(";")) // parametrized?
        {
            StringTokenizer params = new StringTokenizer(token, ";");
            PlaceRequest request = null;
            while(params.hasMoreTokens())
            {
                String tok = params.nextToken();
                if(tok.contains("="))
                {
                    if(null==request) break;

                    // parameter
                    String[] parameter = tok.split("=");
                    request = request.with(parameter[0], parameter[1]);
                }
                else
                {
                    // address
                    request = new PlaceRequest(tok);

                }
            }

            // exit, either wrong token or different formatter
            if(null==request)
                throw new IllegalArgumentException("Illegal token: "+token);

            places.add(request);
        }
        else
        {
            places.add(new PlaceRequest(token));
        }
    }
}