Using the java API URL class, extract the http/https hostname.
/**
* Copyright (c) 2006-2010 Berlin Brown and botnode.com/Berlin Research All Rights Reserved
*
* http://www.opensource.org/licenses/bsd-license.php
* 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.
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* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the Botnode.com (Berlin Brown) nor
* the names of its 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 OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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*
* Date: 1/23/2010
* Description: Social Networking Site Document Analysis
* Home Page: http://botnode.com/
*
* Contact: Berlin Brown <berlin dot brown at gmail.com>
*/
//package org.bresearch.websec.utils.botlist.text;
import java.net.MalformedURLException;
import java.net.URL;
/**
* Generic text manipulation utilities.
*
* @author bbrown
*/
public class TextUtils {
/**
* Using the java API URL class, extract the http/https
* hostname.
*
* e.g: http://www.google.com/search will return http://www.google.com
*
* @return
*/
public String getHTTPHostname(final String urlStr) {
try {
URL url = new URL(urlStr);
String curHostname = url.getHost();
String scheme = url.getProtocol();
String fullNewURL = "";
if (scheme.equalsIgnoreCase("http") || scheme.equalsIgnoreCase("https")) {
fullNewURL = scheme + "://" + curHostname;
return fullNewURL;
} else {
throw new MalformedURLException();
}
} catch (MalformedURLException e) {
return "invalid-hostname";
}
}
}
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