/*
* Tanaguru - Automated webpage assessment
* Copyright (C) 2008-2015 Tanaguru.org
*
* This file is part of Tanaguru.
*
* Tanaguru 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/>.
*
* Contact us by mail: tanaguru AT tanaguru DOT org
*/
package org.tanaguru.util;
/**
*
* @author jkowalczyk
*/
public class FileNaming {
private static final String FILE_PROTOCOL_PREFIX="file://";
private static final String HTTP_PROTOCOL_PREFIX = "http://";
private static final String HTTPS_PROTOCOL_PREFIX = "https://";
private static final String FILE_PREFIX = "/";
/**
* Default private constructor
*/
private FileNaming() {}
/**
* This method add the protocol to the url if the protocol is missing
* @param url
* @return
*/
public static String addProtocolToUrl(String url) {
if (!url.startsWith(HTTP_PROTOCOL_PREFIX)
&& !url.startsWith(HTTPS_PROTOCOL_PREFIX)
&& !url.startsWith(FILE_PROTOCOL_PREFIX)) {
if (url.startsWith(FILE_PREFIX)) {
url = FILE_PROTOCOL_PREFIX + url;
} else {
url = HTTP_PROTOCOL_PREFIX + url;
}
}
return url;
}
/**
* Removes the prefix for an url of file type (i.e. file:///file.txt)
* @param url
* @return
*/
public static String removeFilePrefix(String url){
if (url.startsWith(FILE_PROTOCOL_PREFIX)) {
return url.substring(FILE_PROTOCOL_PREFIX.length());
}
return url;
}
}