1
22
23 package com.liferay.portal.kernel.util;
24
25 import javax.portlet.PortletRequest;
26 import javax.portlet.PortletSession;
27
28 import javax.servlet.http.HttpServletRequest;
29 import javax.servlet.http.HttpSession;
30
31
37 public class ProgressTracker {
38
39 public static final String PERCENT =
40 ProgressTracker.class.getName() + "_PERCENT";
41
42 public ProgressTracker(HttpServletRequest request, String progressId) {
43 _request = request;
44 _progressId = progressId;
45 }
46
47 public ProgressTracker(PortletRequest portletRequest, String progressId) {
48 _portletRequest = portletRequest;
49 _progressId = progressId;
50 }
51
52 public void start() {
53 updateProgress(1);
54 }
55
56 public void updateProgress(int percentage) {
57 if (_request != null) {
58 HttpSession session = _request.getSession(true);
59
60 session.setAttribute(
61 PERCENT + _progressId, new Integer(percentage));
62 }
63 else {
64 PortletSession portletSession = _portletRequest.getPortletSession(
65 true);
66
67 portletSession.setAttribute(
68 PERCENT + _progressId, new Integer(percentage),
69 PortletSession.APPLICATION_SCOPE);
70 }
71 }
72
73 public void finish() {
74 if (_request != null) {
75 HttpSession session = _request.getSession(true);
76
77 session.removeAttribute(PERCENT + _progressId);
78 }
79 else {
80 PortletSession portletSession = _portletRequest.getPortletSession(
81 true);
82
83 portletSession.removeAttribute(
84 PERCENT + _progressId, PortletSession.APPLICATION_SCOPE);
85 }
86 }
87
88 private HttpServletRequest _request;
89 private PortletRequest _portletRequest;
90 private String _progressId;
91
92 }