Java URL Normalize normalizeURL(URL url)

Description

Normalize a URL, by forcing its host name and protocol to lower case.

License

BSD License

Parameter

Parameter	Description
url	The URL to normalize.

Return

a new URL object representing the normalized URL

Declaration

public static URL normalizeURL(URL url) 

Method Source Code

//package com.java2s;
/*---------------------------------------------------------------------------*\
  This software is released under a BSD license, adapted from
  <http://opensource.org/licenses/bsd-license.php>
    /*from   ww w . j  a va 2s  .  c  om*/
  Copyright &copy; 2004-2012 Brian M. Clapper.
  All rights reserved.
    
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:
    
  * Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
    
  * Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
    
  * Neither the name "clapper.org", "curn", nor the names of the project's
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
    
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\*---------------------------------------------------------------------------*/

import java.net.URL;
import java.net.MalformedURLException;

public class Main {
    /**
     * Normalize a URL, by forcing its host name and protocol to lower
     * case.
     *
     * @param url  The URL to normalize.
     *
     * @return a new <tt>URL</tt> object representing the normalized URL
     *
     * @see #normalizeURL(String)
     */
    public static URL normalizeURL(URL url) {
        try {
            String protocol = url.getProtocol().toLowerCase();
            String host = url.getHost().toLowerCase();
            int port = url.getPort();
            String file = url.getFile();
            String ref = url.getRef();

            if ((ref != null) && (ref.length() > 0))
                file = file + "#" + ref;

            url = new URL(protocol, host, port, file);
        }

        catch (MalformedURLException ex) {
            // Shouldn't happen
        }

        return url;
    }

    /**
     * Normalize a URL, by forcing its host name and protocol to lower
     * case.
     *
     * @param url  The URL to normalize, as a string
     *
     * @return a new <tt>URL</tt> object representing the normalized URL
     *
     * @see #normalizeURL(URL)
     *
     * @throws MalformedURLException bad URL string
     */
    public static URL normalizeURL(final String url) throws MalformedURLException {
        return normalizeURL(new URL(url));
    }
}

Related

1. normalizeUrl(URL url)
2. normalizeUrl(URL url)
3. normalizeURL(URL url)
4. normalizeUrl(URL url)
5. normalizeUrl(URL url)
6. normalizeUrlStr(String urlStr)