1
22
23 package com.liferay.portal.servlet;
24
25 import com.liferay.portal.kernel.util.Validator;
26
27 import java.util.Collection;
28 import java.util.Map;
29 import java.util.concurrent.ConcurrentHashMap;
30
31 import javax.servlet.http.HttpSession;
32
33
39 public class PortalSessionContext {
40
41 public static int count() {
42 return _instance._count();
43 }
44
45 public static HttpSession get(String sessionId) {
46 return _instance._get(sessionId);
47 }
48
49 public static void put(String sessionId, HttpSession session) {
50 _instance._put(sessionId, session);
51 }
52
53 public static HttpSession remove(String sessionId) {
54 return _instance._remove(sessionId);
55 }
56
57 public static Collection<HttpSession> values() {
58 return _instance._values();
59 }
60
61 private PortalSessionContext() {
62 _sessionPool = new ConcurrentHashMap<String, HttpSession>();
63 }
64
65 private int _count() {
66 return _sessionPool.size();
67 }
68
69 private HttpSession _get(String sessionId) {
70 if (Validator.isNull(sessionId)) {
71 return null;
72 }
73
74 return _sessionPool.get(sessionId);
75 }
76
77 private void _put(String sessionId, HttpSession session) {
78 _sessionPool.put(sessionId, session);
79 }
80
81 private HttpSession _remove(String sessionId) {
82 return _sessionPool.remove(sessionId);
83 }
84
85 public Collection<HttpSession> _values() {
86 return _sessionPool.values();
87 }
88
89 private static PortalSessionContext _instance = new PortalSessionContext();
90
91 private Map<String, HttpSession> _sessionPool;
92
93 }