1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.tomcat.util.http;
18
19 import org.apache.tomcat.util.res.StringManager;
20
21 /**
22 * This class is not thread-safe.
23 */
24 public class ServerCookies {
25
26 private static final StringManager sm = StringManager.getManager(ServerCookies.class);
27
28 private ServerCookie[] serverCookies;
29
30 private int cookieCount = 0;
31 private int limit = 200;
32
33
34 public ServerCookies(int initialSize) {
35 serverCookies = new ServerCookie[initialSize];
36 }
37
38
39 /**
40 * Register a new, initialized cookie. Cookies are recycled, and most of the
41 * time an existing ServerCookie object is returned. The caller can set the
42 * name/value and attributes for the cookie.
43 * @return the new cookie
44 */
45 public ServerCookie addCookie() {
46 if (limit > -1 && cookieCount >= limit) {
47 throw new IllegalArgumentException(
48 sm.getString("cookies.maxCountFail", Integer.valueOf(limit)));
49 }
50
51 if (cookieCount >= serverCookies.length) {
52 int newSize = limit > -1 ? Math.min(2*cookieCount, limit) : 2*cookieCount;
53 ServerCookie scookiesTmp[] = new ServerCookie[newSize];
54 System.arraycopy(serverCookies, 0, scookiesTmp, 0, cookieCount);
55 serverCookies = scookiesTmp;
56 }
57
58 ServerCookie c = serverCookies[cookieCount];
59 if (c == null) {
60 c = new ServerCookie();
61 serverCookies[cookieCount] = c;
62 }
63 cookieCount++;
64 return c;
65 }
66
67
68 public ServerCookie getCookie(int idx) {
69 return serverCookies[idx];
70 }
71
72
73 public int getCookieCount() {
74 return cookieCount;
75 }
76
77
78 public void setLimit(int limit) {
79 this.limit = limit;
80 if (limit > -1 && serverCookies.length > limit && cookieCount <= limit) {
81 // shrink cookie list array
82 ServerCookie scookiesTmp[] = new ServerCookie[limit];
83 System.arraycopy(serverCookies, 0, scookiesTmp, 0, cookieCount);
84 serverCookies = scookiesTmp;
85 }
86 }
87
88
89 public void recycle() {
90 for (int i = 0; i < cookieCount; i++) {
91 serverCookies[i].recycle();
92 }
93 cookieCount = 0;
94 }
95 }
96