PlaceMap.java
4.73 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package fi.insomnia.bortal.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import fi.insomnia.bortal.HostnameFilter;
import fi.insomnia.bortal.beans.EventBeanLocal;
import fi.insomnia.bortal.beans.PlaceMapBeanLocal;
import fi.insomnia.bortal.model.Event;
/**
*
* @author tuukka
*/
public class PlaceMap extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 8769688627918936258L;
@EJB
private PlaceMapBeanLocal placemapBean;
private EventBeanLocal eventBean;
public static final String PARAMETER_EVENT_MAP_ID = "mapid";
public static final String PARAMETER_SELECTED_PLACE_ID = "placeid";
public static final String PARAMETER_CURRENT_USER_ID = "userid";
public static final String PARAMETER_EVENT_ID = "eventid";
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code>
* methods.
*
* @param request
* servlet request
* @param response
* servlet response
* @throws ServletException
* if a servlet-specific error occurs
* @throws IOException
* if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
Integer placeId = getIntegerParameter(request, PARAMETER_SELECTED_PLACE_ID);
Integer mapId = getIntegerParameter(request, PARAMETER_EVENT_MAP_ID);
Integer userId = getIntegerParameter(request, PARAMETER_CURRENT_USER_ID);
response.setContentType("image/png");
placemapBean.printPlaceMapToStream(response.getOutputStream(), "png", getEvent(request), mapId, userId, placeId);
/*
* TODO output your page here out.println("<html>");
* out.println("<head>");
* out.println("<title>Servlet PlaceMap</title>");
* out.println("</head>"); out.println("<body>");
* out.println("<h1>Servlet PlaceMap at " + request.getContextPath
* () + "</h1>"); out.println("</body>"); out.println("</html>");
*/
} finally {
out.close();
}
}
private Event getEvent(HttpServletRequest request) {
String hostname = HostnameFilter.getHostname(request.getSession());
return eventBean.getEventByHostname(hostname);
}
public void addPlacesToMap() {
}
/***
* Convert request parameter into integer
*
* @param request
* @param parameter
* @return
*/
private static Integer getIntegerParameter(HttpServletRequest request, String parameter) {
try {
String valueString = request.getParameter(parameter);
Integer value = Integer.parseInt(valueString);
return value;
} catch (NumberFormatException nfe) {
}
return null;
}
// <editor-fold defaultstate="collapsed"
// desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request
* servlet request
* @param response
* servlet response
* @throws ServletException
* if a servlet-specific error occurs
* @throws IOException
* if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request
* servlet request
* @param response
* servlet response
* @throws ServletException
* if a servlet-specific error occurs
* @throws IOException
* if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}