001: /*
002: * SessionObject.java
003: *
004: *
005: * Copyright (c) 2003 Rimfaxe ApS (www.rimfaxe.com).
006: * All rights reserved.
007: *
008: * This package is written by Lars Andersen <lars@rimfaxe.com>
009: * and licensed by Rimfaxe ApS.
010: *
011: * Redistribution and use in source and binary forms, with or without
012: * modification, are permitted provided that the following conditions
013: * are met:
014: *
015: * 1. Redistributions of source code must retain the above copyright
016: * notice, this list of conditions and the following disclaimer.
017: *
018: * 2. Redistributions in binary form must reproduce the above copyright
019: * notice, this list of conditions and the following disclaimer in
020: * the documentation and/or other materials provided with the
021: * distribution.
022: *
023: * 3. The end-user documentation included with the redistribution, if
024: * any, must include the following acknowlegement:
025: * "This product includes software developed by Rimfaxe ApS
026: (www.rimfaxe.com)"
027: * Alternately, this acknowlegement may appear in the software itself,
028: * if and wherever such third-party acknowlegements normally appear.
029: *
030: * 4. The names "Rimfaxe", "Rimfaxe Software", "Lars Andersen" and
031: * "Rimfaxe WebServer" must not be used to endorse or promote products
032: * derived from this software without prior written permission. For written
033: * permission, please contact info@rimfaxe.com
034: *
035: * 5. Products derived from this software may not be called "Rimfaxe"
036: * nor may "Rimfaxe" appear in their names without prior written
037: * permission of the Rimfaxe ApS.
038: *
039: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
040: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
041: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
042: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
043: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
044: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
045: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
046: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
047: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
048: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
049: * SUCH DAMAGE.
050: *
051: */
052:
053: package com.rimfaxe.webserver.servletapi.session;
054:
055: import java.util.*;
056: import com.rimfaxe.webserver.servletapi.RimfaxeHttpSession;
057: import com.rimfaxe.webserver.VirtualHost;
058:
059: /**
060: *
061: * @author Lars Andersen
062: */
063: public class SessionStore {
064: HashMap hmap = new HashMap();
065: //ArrayList arraylist = new ArrayList();
066:
067: VirtualHost vhost;
068:
069: int cookiecount = 0;
070:
071: /** Creates a new instance of SessionObject */
072: public SessionStore(VirtualHost vhost) {
073: this .vhost = vhost;
074: }
075:
076: public void removeSessionObject(String id) {
077: hmap.remove(id);
078: }
079:
080: public int getSize() {
081: return hmap.size();
082: }
083:
084: public String getNewCookieValue() {
085: com.rimfaxe.util.Calendar cal = new com.rimfaxe.util.Calendar();
086: cookiecount++;
087: String res = "rwsid" + cal.getTimeInMillisSpecial()
088: + cookiecount;
089: if (cookiecount > 9999999)
090: cookiecount = 0;
091: return res;
092: }
093:
094: public void putSessionObject(String cookiestr,
095: RimfaxeHttpSession session) {
096: Object obj = hmap.get(cookiestr);
097: if (obj == null) {
098: session.setID(cookiestr);
099: hmap.put(cookiestr, session);
100: //arraylist.add(session);
101: }
102: }
103:
104: public synchronized RimfaxeHttpSession getSessionObject(
105: String cookiestr) {
106:
107: RimfaxeHttpSession obj = (RimfaxeHttpSession) hmap
108: .get(cookiestr);
109: if (obj != null) {
110: if (obj.hasExpired()) {
111: hmap.remove(cookiestr);
112: return null;
113: }
114: obj.setLastAccessedTime();
115: return obj;
116: }
117:
118: // Once in a while, do some cleaning up!
119: cleanup();
120: //
121:
122: return null;
123: }
124:
125: int cleaning_interval = 10;
126: int clean = 0;
127:
128: public void cleanup() {
129: if (clean < cleaning_interval) {
130: clean++;
131: return;
132: } else {
133: clean = 0;
134: }
135:
136: Iterator iter = hmap.keySet().iterator();
137: while (iter.hasNext()) {
138: String key = (String) iter.next();
139: RimfaxeHttpSession test_obj = (RimfaxeHttpSession) hmap
140: .get(key);
141: if (test_obj.hasExpired())
142: hmap.remove(key);
143: }
144: System.out.println("Size of session store : " + hmap.size());
145: }
146: }
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