/*
* $HeadURL: http://svn.apache.org/repos/asf/jakarta/httpcomponents/httpclient/tags/4.0-alpha1/module-client/src/main/java/org/apache/http/impl/cookie/NetscapeDraftSpec.java $
* $Revision: 535132 $
* $Date: 2007-05-04 11:01:16 +0200 (Fri, 04 May 2007) $
*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.impl.cookie;
import org.apache.http.Header;
import org.apache.http.HeaderElement;
import org.apache.http.cookie.Cookie;
import org.apache.http.cookie.CookieOrigin;
import org.apache.http.cookie.MalformedCookieException;
import org.apache.http.cookie.SM;
import org.apache.http.message.BasicHeaderElement;
import org.apache.http.message.BufferedHeader;
import org.apache.http.util.CharArrayBuffer;
/**
* Netscape cookie draft compliant cookie policy
*
* @author B.C. Holmes
* @author <a href="mailto:jericho@thinkfree.com">Park, Sung-Gu</a>
* @author <a href="mailto:dsale@us.britannica.com">Doug Sale</a>
* @author Rod Waldhoff
* @author dIon Gillard
* @author Sean C. Sullivan
* @author <a href="mailto:JEvans@Cyveillance.com">John Evans</a>
* @author Marc A. Saegesser
* @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
* @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
*
* @since 4.0
*/
public class NetscapeDraftSpec extends CookieSpecBase {
/** Default constructor */
public NetscapeDraftSpec() {
super();
registerAttribHandler("path", new BasicPathHandler());
registerAttribHandler("domain", new NetscapeDomainHandler());
registerAttribHandler("max-age", new BasicMaxAgeHandler());
registerAttribHandler("secure", new BasicSecureHandler());
registerAttribHandler("comment", new BasicCommentHandler());
registerAttribHandler("expires", new BasicExpiresHandler(
new String[] {"EEE, dd-MMM-yyyy HH:mm:ss z"}));
}
/**
* Parses the Set-Cookie value into an array of <tt>Cookie</tt>s.
*
* <p>Syntax of the Set-Cookie HTTP Response Header:</p>
*
* <p>This is the format a CGI script would use to add to
* the HTTP headers a new piece of data which is to be stored by
* the client for later retrieval.</p>
*
* <PRE>
* Set-Cookie: NAME=VALUE; expires=DATE; path=PATH; domain=DOMAIN_NAME; secure
* </PRE>
*
* <p>Please note that Netscape draft specification does not fully
* conform to the HTTP header format. Netscape draft does not specify
* whether multiple cookies may be sent in one header. Hence, comma
* character may be present in unquoted cookie value or unquoted
* parameter value.</p>
*
* @link http://wp.netscape.com/newsref/std/cookie_spec.html
*
* @param header the <tt>Set-Cookie</tt> received from the server
* @return an array of <tt>Cookie</tt>s parsed from the Set-Cookie value
* @throws MalformedCookieException if an exception occurs during parsing
*/
public Cookie[] parse(final Header header, final CookieOrigin origin)
throws MalformedCookieException {
if (header == null) {
throw new IllegalArgumentException("Header may not be null");
}
if (origin == null) {
throw new IllegalArgumentException("Cookie origin may not be null");
}
String headervalue = header.getValue();
return parse(new HeaderElement[] { BasicHeaderElement.parse(headervalue) }, origin);
}
public Header[] formatCookies(final Cookie[] cookies) {
if (cookies == null) {
throw new IllegalArgumentException("Cookie array may not be null");
}
if (cookies.length == 0) {
throw new IllegalArgumentException("Cookie array may not be empty");
}
CharArrayBuffer buffer = new CharArrayBuffer(20 * cookies.length);
buffer.append(SM.COOKIE);
buffer.append(": ");
for (int i = 0; i < cookies.length; i++) {
Cookie cookie = cookies[i];
if (i > 0) {
buffer.append("; ");
}
buffer.append(cookie.getName());
String s = cookie.getValue();
if (s != null) {
buffer.append("=");
buffer.append(s);
}
}
return new Header[] { new BufferedHeader(buffer) };
}
}