Urls.java example

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/*
 * GNU LESSER GENERAL PUBLIC LICENSE Copyright (C) 2006 The Lobo Project
 * 
 * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Contact info: xamjadmin@users.sourceforge.net
 */
/*
 * Created on Jun 12, 2005
 */
package org.cobra_grendel.util;

import java.net.URL;

public class Urls
{
    /**
     * Creates an absolute URL in a manner equivalent to major browsers.
     */
    public static URL createURL(final URL baseUrl, final String relativeUrl) throws java.net.MalformedURLException
    {
        return new URL(baseUrl, relativeUrl);
    }

    public static boolean hasHost(final java.net.URL url)
    {
        String host = url.getHost();
        return host != null && !"".equals(host);
    }

    public static boolean isRemote(final java.net.URL url)
    {
        String scheme = url.getProtocol();
        return "http".equalsIgnoreCase(scheme) || "https".equalsIgnoreCase(scheme) || "ftp".equalsIgnoreCase(scheme) || "file".equalsIgnoreCase(scheme) && hasHost(url);
    }

    /*
     * TODO UCdetector: Remove unused code: public static boolean isLocalFile(java.net.URL url) { String scheme = url.getProtocol(); return "file".equalsIgnoreCase(scheme) && !hasHost(url); }
     */

    /**
	 * 
	 */
    private Urls()
    {
        super();
    }
}