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1
11
12 package org.jivesoftware.messenger.plugin.presence;
13
14 import org.jivesoftware.messenger.XMPPServer;
15 import org.jivesoftware.messenger.plugin.PresencePlugin;
16 import org.jivesoftware.messenger.user.UserNotFoundException;
17 import org.jivesoftware.util.Log;
18 import org.jivesoftware.admin.AuthCheckFilter;
19 import org.xmpp.packet.Presence;
20
21 import javax.servlet.ServletConfig  ;
22 import javax.servlet.ServletContext ;
23 import javax.servlet.ServletException ;
24 import javax.servlet.http.HttpServlet ;
25 import javax.servlet.http.HttpServletRequest ;
26 import javax.servlet.http.HttpServletResponse ;
27 import java.io.ByteArrayOutputStream ;
28 import java.io.IOException ;
29 import java.io.InputStream ;
30
31
43 public class PresenceStatusServlet extends HttpServlet {
44
45 private PresencePlugin plugin;
46 private XMLPresenceProvider xmlProvider;
47 private ImagePresenceProvider imageProvider;
48
49 byte available[];
50 byte away[];
51 byte chat[];
52 byte dnd[];
53 byte offline[];
54 byte xa[];
55
56 public void init(ServletConfig servletConfig) throws ServletException {
57 super.init(servletConfig);
58 plugin =
59 (PresencePlugin) XMPPServer.getInstance().getPluginManager().getPlugin("presence");
60 xmlProvider = new XMLPresenceProvider();
61 imageProvider = new ImagePresenceProvider(this);
62 available = loadResource("/images/user-green-16x16.gif");
63 away = loadResource("/images/user-yellow-16x16.gif");
64 chat = loadResource("/images/user-green-16x16.gif");
65 dnd = loadResource("/images/user-red-16x16.gif");
66 offline = loadResource("/images/user-clear-16x16.gif");
67 xa = loadResource("/images/user-yellow-16x16.gif");
68 AuthCheckFilter.addExclude("presence/status");
70 }
71
72 protected void doGet(HttpServletRequest request, HttpServletResponse response)
73 throws ServletException , IOException {
74 String sender = request.getParameter("req_jid");
75 String jid = request.getParameter("jid");
76 String type = request.getParameter("type");
77 type = type == null ? "image" : type;
78
79 try {
80 Presence presence = plugin.getPresence(sender, jid);
81 if ("image".equals(type)) {
82 imageProvider.sendInfo(request, response, presence);
83 }
84 else if ("xml".equals(type)) {
85 xmlProvider.sendInfo(request, response, presence);
86 }
87 else {
88 Log.warn("The presence servlet received an invalid request of type: " + type);
89 }
91 }
92 catch (UserNotFoundException e) {
93 if ("image".equals(type)) {
94 imageProvider.sendUserNotFound(request, response);
95 }
96 else if ("xml".equals(type)) {
97 xmlProvider.sendUserNotFound(request, response);
98 }
99 else {
100 Log.warn("The presence servlet received an invalid request of type: " + type);
101 }
103 }
104 catch (IllegalArgumentException e) {
105 if ("image".equals(type)) {
106 imageProvider.sendUserNotFound(request, response);
107 }
108 else if ("xml".equals(type)) {
109 xmlProvider.sendUserNotFound(request, response);
110 }
111 else {
112 Log.warn("The presence servlet received an invalid request of type: " + type);
113 }
115 }
116 }
117
118 protected void doPost(HttpServletRequest request, HttpServletResponse response)
119 throws ServletException , IOException {
120 doGet(request, response);
121 }
122
123 public void destroy() {
124 super.destroy();
125 available = null;
126 away = null;
127 chat = null;
128 dnd = null;
129 offline = null;
130 xa = null;
131 AuthCheckFilter.removeExclude("presence/status");
133 }
134
135 private byte[] loadResource(String path) {
136 ServletContext context = getServletContext();
137 InputStream in = context.getResourceAsStream(path);
138 ByteArrayOutputStream out = new ByteArrayOutputStream ();
139 try {
140 for (int i = in.read(); i > -1; i = in.read()) {
141 out.write(i);
142 }
143 }
144 catch (IOException e) {
145 Log.error("error loading:" + path);
146 }
147 return out.toByteArray();
148 }
149
150 }
151 |
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