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1
21
22 package org.armedbear.j;
23
24 import java.util.Vector  ;
25 import java.net.URL ;
26
27 public final class Cookie
28 {
29 private static Vector cookies;
30
31 private String name;
32 private String value;
33 private String domain;
34 private String path;
35 private String expires;
36 private boolean secure;
37
38 private Cookie()
39 {
40 }
41
42 public static void setCookie(URL url, String s)
43 {
44 Cookie cookie = new Cookie();
45 String remaining = s.trim();
46 while (remaining.length() > 0) {
47 int index = remaining.indexOf('=');
48 if (index < 0) {
49 cookie.set(remaining, null);
50 break;
51 }
52 String key = remaining.substring(0, index);
53 remaining = remaining.substring(index + 1);
54 index = remaining.indexOf(';');
55 String value;
56 if (index < 0) {
57 value = remaining;
58 cookie.set(key, value);
59 break;
60 } else {
61 value = remaining.substring(0, index);
62 cookie.set(key, value);
63 remaining = remaining.substring(index + 1).trim();
64 }
65 }
66 if (cookie.domain == null)
67 cookie.domain = url.getHost();
68 if (cookie.path == null) {
69 String file = url.getFile();
71 int index = file.lastIndexOf('?');
72 if (index >= 0)
73 cookie.path = file.substring(0, index);
74 else
75 cookie.path = file;
76 }
77 if (cookie.isValid())
78 addCookie(cookie);
79 }
80
81 public static String getCookie(URL url)
83 {
84 if (cookies == null)
85 return null;
86 String host = url.getHost();
87 String file = url.getFile();
89 int index = file.lastIndexOf('?');
90 String path = index >= 0 ? file.substring(0, index) : file;
91 FastStringBuffer sb = new FastStringBuffer(256);
92 for (int i = cookies.size()-1; i >= 0; i--) {
93 Cookie cookie = (Cookie) cookies.get(i);
94 if (cookie.domain != null && host.endsWith(cookie.domain)) {
95 if (cookie.path != null && path.startsWith(cookie.path)) {
96 if (sb.length() > 0)
97 sb.append("; ");
98 sb.append(cookie.name);
99 sb.append('=');
100 sb.append(cookie.value);
101 }
102 }
103 }
104 if (sb.length() == 0)
105 return null;
106 return sb.toString();
107 }
108
109 public static void deleteCookies()
110 {
111 cookies = null;
112 }
113
114 private static void addCookie(Cookie cookie)
115 {
116 if (cookies != null) {
117 for (int i = cookies.size()-1; i >= 0; i--) {
118 Cookie c = (Cookie) cookies.get(i);
119 if (c.domain.equals(cookie.domain) &&
120 c.path.equals(cookie.path) &&
121 c.name.equals(cookie.name)) {
122 c.value = cookie.value;
125 return;
126 }
127 }
128 } else
129 cookies = new Vector ();
130 cookies.add(cookie);
131 }
132
133 private void set(String key, String s)
134 {
135 if (key.equals("domain"))
136 domain = s;
137 else if (key.equals("path"))
138 path = s;
139 else if (key.equals("expires"))
140 expires = s;
141 else if (key.equals("secure"))
142 secure = true;
143 else {
144 name = key;
145 value = s;
146 }
147 }
148
149 private boolean isValid()
150 {
151 if (name != null && name.length() > 0)
152 if (value != null && value.length() > 0)
153 return true;
154 return false;
155 }
156 }
157 |
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