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Java > Open Source Codes > com > caucho > ejb > gen > UserInRoleChain


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.ejb.gen;
30
31 import com.caucho.java.JavaWriter;
32 import com.caucho.java.gen.CallChain;
33 import com.caucho.java.gen.FilterCallChain;
34 import com.caucho.util.L10N;
35
36 import java.io.IOException JavaDoc;
37 import java.util.ArrayList JavaDoc;
38
39 /**
40  * Generates the code for the user in role filter.
41  */
42 public class UserInRoleChain extends FilterCallChain {
43   private static final L10N L = new L10N(UserInRoleChain.class);
44
45   private ArrayList JavaDoc<String JavaDoc> _roles;
46   
47   public UserInRoleChain(CallChain next, ArrayList JavaDoc<String JavaDoc> roles)
48   {
49     super(next);
50     
51     _roles = roles;
52   }
53   
54   /**
55    * Prints a call within the same JVM
56    *
57    * @param methodName the name of the method to call
58    * @param method the method to call
59    */
60   public void generateCall(JavaWriter out, String JavaDoc retType,
61                String JavaDoc var, String JavaDoc []args)
62     throws IOException JavaDoc
63   {
64     out.print("if (! com.caucho.security.SecurityContext.isUserInRole(new String[] {");
65
66     for (int i = 0; i < _roles.size(); i++) {
67       String JavaDoc role = _roles.get(i);
68
69       if (i != 0)
70     out.print(", ");
71       
72       out.print("\"" + role + "\"");
73     }
74     out.println("})) {");
75
76     out.println(" throw new javax.ejb.EJBException(\"permission denied\");");
77     out.println("}");
78
79     out.println();
80     
81     super.generateCall(out, retType, var, args);
82   }
83 }
84
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