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1   /*
2    * $Id: MockHttpSession.java 471754 2006-11-06 14:55:09Z husted $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "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.struts.mock;
22  
23  import javax.servlet.ServletContext;
24  import javax.servlet.http.HttpSession;
25  import javax.servlet.http.HttpSessionContext;
26  
27  import java.util.Enumeration;
28  import java.util.HashMap;
29  
30  /**
31   * <p>Mock <strong>HttpSession</strong> object for low-level unit tests of
32   * Struts controller components.  Coarser grained tests should be implemented
33   * in terms of the Cactus framework, instead of the mock object classes.</p>
34   *
35   * <p><strong>WARNING</strong> - Only the minimal set of methods needed to
36   * create unit tests is provided, plus additional methods to configure this
37   * object as necessary.  Methods for unsupported operations will throw
38   * <code>UnsupportedOperationException</code>.</p>
39   *
40   * <p><strong>WARNING</strong> - Because unit tests operate in a single
41   * threaded environment, no synchronization is performed.</p>
42   *
43   * @version $Rev: 471754 $ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005)
44   *          $
45   */
46  public class MockHttpSession implements HttpSession {
47      // ----------------------------------------------------- Instance Variables
48  
49      /**
50       * <p> The set of session attributes. </p>
51       */
52      protected HashMap attributes = new HashMap();
53  
54      /**
55       * <p> The ServletContext with which we are associated. </p>
56       */
57      protected ServletContext servletContext = null;
58  
59      // ----------------------------------------------------------- Constructors
60      public MockHttpSession() {
61          super();
62      }
63  
64      public MockHttpSession(ServletContext servletContext) {
65          super();
66          setServletContext(servletContext);
67      }
68  
69      // --------------------------------------------------------- Public Methods
70      public void setServletContext(ServletContext servletContext) {
71          this.servletContext = servletContext;
72      }
73  
74      // ---------------------------------------------------- HttpSession Methods
75      public Object getAttribute(String name) {
76          return (attributes.get(name));
77      }
78  
79      public Enumeration getAttributeNames() {
80          return (new MockEnumeration(attributes.keySet().iterator()));
81      }
82  
83      public long getCreationTime() {
84          throw new UnsupportedOperationException();
85      }
86  
87      public String getId() {
88          throw new UnsupportedOperationException();
89      }
90  
91      public long getLastAccessedTime() {
92          throw new UnsupportedOperationException();
93      }
94  
95      public int getMaxInactiveInterval() {
96          throw new UnsupportedOperationException();
97      }
98  
99      public ServletContext getServletContext() {
100         return (this.servletContext);
101     }
102 
103     public HttpSessionContext getSessionContext() {
104         throw new UnsupportedOperationException();
105     }
106 
107     public Object getValue(String name) {
108         throw new UnsupportedOperationException();
109     }
110 
111     public String[] getValueNames() {
112         throw new UnsupportedOperationException();
113     }
114 
115     public void invalidate() {
116         throw new UnsupportedOperationException();
117     }
118 
119     public boolean isNew() {
120         throw new UnsupportedOperationException();
121     }
122 
123     public void putValue(String name, Object value) {
124         throw new UnsupportedOperationException();
125     }
126 
127     public void removeAttribute(String name) {
128         attributes.remove(name);
129     }
130 
131     public void removeValue(String name) {
132         throw new UnsupportedOperationException();
133     }
134 
135     public void setAttribute(String name, Object value) {
136         if (value == null) {
137             attributes.remove(name);
138         } else {
139             attributes.put(name, value);
140         }
141     }
142 
143     public void setMaxInactiveInterval(int interval) {
144         throw new UnsupportedOperationException();
145     }
146 }