/*
*
* Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
* one or more contributor license agreements (see COPYRIGHT for details).
* The CA licenses this file to you under the GNU Affero General Public
* License version 3, (the "License"); you may not use this file except in
* compliance with the License. This file is part of kune.
*
* 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 Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package cc.kune.core.client.state.impl;
/**
* The Class HistoryUtils.
*
* @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
*/
public class HistoryUtils {
/** The Constant PREFIX. */
public static final String PREFIX = "!";
/**
* Hashbang makes #!hash googleables
* https://developers.google.com/webmasters/ajax-crawling/docs/getting-started
*
* @param historyToken
* the #history token fragment
* @return the #!history token fragment with ! added
*/
public static String hashbang(final String historyToken) {
return historyToken == null || historyToken.startsWith(PREFIX) ? historyToken : PREFIX
+ historyToken;
}
/**
* Undo hashbang (removes ! from a #!hash).
*
* @param historyToken
* the history token
* @return the #!fragment history token without !
*/
public static String undoHashbang(final String historyToken) {
return historyToken != null && historyToken.startsWith(PREFIX) ? historyToken.substring(1)
: historyToken;
}
}