FakeServletConfig


1   /*
2    * Copyright 2005 Joe Walker
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.directwebremoting.util;
17  
18  import java.util.Collections  ;
19  import java.util.Enumeration  ;
20  import java.util.HashMap  ;
21  import java.util.Map  ;
22  
23  import javax.servlet.ServletConfig  ;
24  import javax.servlet.ServletContext  ;
25  
26  /**
27   * A fake implementation of ServletConfig for cases (Like inside Spring) when
28   * you don't have a real one.
29   * @author Joe Walker [joe at getahead dot ltd dot uk]
30   */
31  public class FakeServletConfig implements ServletConfig  
32  {
33      /**
34       * @param name The servlet name
35       * @param servletContext The ServletContext
36       */
37      public FakeServletConfig(String   name, ServletContext   servletContext)
38      {
39          this(name, servletContext, null);
40      }
41  
42      /**
43       * @param name The servlet name
44       * @param servletContext The ServletContext
45       * @param initParameters Optional init parameters (can be null)
46       */
47      public FakeServletConfig(String   name, ServletContext   servletContext, Map   initParameters)
48      {
49          this.name = name;
50          this.servletContext = servletContext;
51          this.initParameters = initParameters;
52  
53          if (this.initParameters == null)
54          {
55              this.initParameters = new HashMap  ();
56          }
57      }
58  
59      /* (non-Javadoc)
60       * @see javax.servlet.ServletConfig#getServletName()
61       */
62      public String   getServletName()
63      {
64          return name;
65      }
66  
67      /* (non-Javadoc)
68       * @see javax.servlet.ServletConfig#getServletContext()
69       */
70      public ServletContext   getServletContext()
71      {
72          return servletContext;
73      }
74  
75      /* (non-Javadoc)
76       * @see javax.servlet.ServletConfig#getInitParameter(java.lang.String)
77       */
78      public String   getInitParameter(String   paramName)
79      {
80          Object   obj = initParameters.get(paramName);
81          if (obj instanceof String  )
82          {
83              return (String  ) obj;
84          }
85          else
86          {
87              return null;
88          }
89      }
90  
91      /* (non-Javadoc)
92       * @see javax.servlet.ServletConfig#getInitParameterNames()
93       */
94      public Enumeration   getInitParameterNames()
95      {
96          return Collections.enumeration(initParameters.keySet());
97      }
98  
99      /**
100      * The servlet name
101      */
102     private final String   name;
103 
104     /**
105      * The servlet deployment information
106      */
107     private ServletContext   servletContext;
108 
109     /**
110      * Initialization parameters
111      */
112     private Map   initParameters;
113 }
114
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