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1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/BasicPathHandler.java $
3  * $Revision: 653041 $
4  * $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $
5  *
6  * ====================================================================
7  * Licensed to the Apache Software Foundation (ASF) under one
8  * or more contributor license agreements.  See the NOTICE file
9  * distributed with this work for additional information
10  * regarding copyright ownership.  The ASF licenses this file
11  * to you under the Apache License, Version 2.0 (the
12  * "License"); you may not use this file except in compliance
13  * with the License.  You may obtain a copy of the License at
14  *
15  *   http://www.apache.org/licenses/LICENSE-2.0
16  *
17  * Unless required by applicable law or agreed to in writing,
18  * software distributed under the License is distributed on an
19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20  * KIND, either express or implied.  See the License for the
21  * specific language governing permissions and limitations
22  * under the License.
23  * ====================================================================
24  *
25  * This software consists of voluntary contributions made by many
26  * individuals on behalf of the Apache Software Foundation.  For more
27  * information on the Apache Software Foundation, please see
28  * <http://www.apache.org/>.
29  *
30  */
31 package org.apache.http.impl.cookie;
32 
33 import org.apache.http.cookie.Cookie;
34 import org.apache.http.cookie.CookieAttributeHandler;
35 import org.apache.http.cookie.CookieOrigin;
36 import org.apache.http.cookie.MalformedCookieException;
37 import org.apache.http.cookie.SetCookie;
38 
39 public class BasicPathHandler implements CookieAttributeHandler {
40 
BasicPathHandler()41     public BasicPathHandler() {
42         super();
43     }
44 
parse(final SetCookie cookie, String value)45     public void parse(final SetCookie cookie, String value)
46             throws MalformedCookieException {
47         if (cookie == null) {
48             throw new IllegalArgumentException("Cookie may not be null");
49         }
50         if (value == null || value.trim().length() == 0) {
51             value = "/";
52         }
53         cookie.setPath(value);
54     }
55 
validate(final Cookie cookie, final CookieOrigin origin)56     public void validate(final Cookie cookie, final CookieOrigin origin)
57             throws MalformedCookieException {
58         if (!match(cookie, origin)) {
59             throw new MalformedCookieException(
60                 "Illegal path attribute \"" + cookie.getPath()
61                 + "\". Path of origin: \"" + origin.getPath() + "\"");
62         }
63     }
64 
match(final Cookie cookie, final CookieOrigin origin)65     public boolean match(final Cookie cookie, final CookieOrigin origin) {
66         if (cookie == null) {
67             throw new IllegalArgumentException("Cookie may not be null");
68         }
69         if (origin == null) {
70             throw new IllegalArgumentException("Cookie origin may not be null");
71         }
72         String targetpath = origin.getPath();
73         String topmostPath = cookie.getPath();
74         if (topmostPath == null) {
75             topmostPath = "/";
76         }
77         if (topmostPath.length() > 1 && topmostPath.endsWith("/")) {
78             topmostPath = topmostPath.substring(0, topmostPath.length() - 1);
79         }
80         boolean match = targetpath.startsWith (topmostPath);
81         // if there is a match and these values are not exactly the same we have
82         // to make sure we're not matcing "/foobar" and "/foo"
83         if (match && targetpath.length() != topmostPath.length()) {
84             if (!topmostPath.endsWith("/")) {
85                 match = (targetpath.charAt(topmostPath.length()) == '/');
86             }
87         }
88         return match;
89     }
90 
91 }
92