01: /*
02: * $Id: ChatAuthenticationInterceptor.java 471756 2006-11-06 15:01:43Z husted $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21: package org.apache.struts2.showcase.chat;
22:
23: import org.apache.commons.logging.Log;
24: import org.apache.commons.logging.LogFactory;
25: import org.apache.struts2.dispatcher.SessionMap;
26:
27: import com.opensymphony.xwork2.Action;
28: import com.opensymphony.xwork2.ActionContext;
29: import com.opensymphony.xwork2.ActionInvocation;
30: import com.opensymphony.xwork2.interceptor.Interceptor;
31:
32: public class ChatAuthenticationInterceptor implements Interceptor {
33:
34: private static final long serialVersionUID = 1L;
35:
36: private static final Log _log = LogFactory
37: .getLog(ChatAuthenticationInterceptor.class);
38:
39: public static final String USER_SESSION_KEY = "chatUserSessionKey";
40:
41: public void destroy() {
42: }
43:
44: public void init() {
45: }
46:
47: public String intercept(ActionInvocation invocation)
48: throws Exception {
49:
50: _log.debug("Authenticating chat user");
51:
52: SessionMap session = (SessionMap) ActionContext.getContext()
53: .get(ActionContext.SESSION);
54: User user = (User) session.get(USER_SESSION_KEY);
55:
56: if (user == null) {
57: return Action.LOGIN;
58: }
59: return invocation.invoke();
60: }
61:
62: }
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