/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package org.apache.jmeter.protocol.http.parser;

import java.net.URL;

/**
 * Helper class to allow URLs to be stored in Collections without incurring the
 * cost of the hostname lookup performed by the URL methods equals() and
 * hashCode() URL is a final class, so cannot be extended ...
 * 
 * @version $Revision: 493789 $ $Date: 2007-01-07 18:10:21 +0000 (Sun, 07 Jan 2007) $
 */
public class URLString implements Comparable // To allow use in Sorted
												// Collections
{

	private URL url;

	private String urlAsString;

	private int hashCode;

	private URLString()// not instantiable
	{
	}

	public URLString(URL u) {
		url = u;
		urlAsString = u.toExternalForm();
		/*
		 * TODO improve string version to better match browser behaviour? e.g.
		 * do browsers regard http://host/ and http://Host:80/ as the same? If
		 * so, it would be better to reflect this in the string
		 */

		hashCode = urlAsString.hashCode();
	}

	/*
	 * Parsers can return the URL as a string if it does not parse properly
	 */
	public URLString(String s) {
		url = null;
		urlAsString = s;
		hashCode = urlAsString.hashCode();
	}

	public String toString() {
		return urlAsString;
	}

	public URL getURL() {
		return url;
	}

	public int compareTo(Object o) {
		return urlAsString.compareTo(o.toString());
	}

	public boolean equals(Object o) {
		return (o instanceof URLString && urlAsString.equals(o.toString()));
	}

	public int hashCode() {
		return hashCode;
	}
}
