JellyServletContext


1   /*
2    * Copyright 2002,2004 The Apache Software Foundation.
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  
17  package org.apache.commons.jelly.servlet;
18  
19  import org.apache.commons.jelly.JellyContext;
20  
21  import javax.servlet.ServletContext  ;
22  import java.io.InputStream  ;
23  import java.net.MalformedURLException  ;
24  import java.net.URL  ;
25  
26  /**
27   *
28   * @author <a HREF="mailto:kelvint@apache.org">Kelvin Tan</a>
29   * @version 1.1
30   */
31  public class JellyServletContext extends JellyContext {
32  
33      private ServletContext   ctx;
34  
35      public JellyServletContext() {
36      }
37  
38      public JellyServletContext(ServletContext   ctx) {
39          super();
40          this.ctx = ctx;
41      }
42  
43      public JellyServletContext(JellyContext parent, ServletContext   ctx) {
44          super(parent);
45          this.ctx = ctx;
46      }
47  
48      /**
49       * Allow access of relative URIs when performing &lt;j:include&gt;.
50       * @param s
51       * @return
52       * @throws MalformedURLException
53       */
54      public URL   getResource(String   s) throws MalformedURLException   {
55          return ctx.getResource(s);
56      }
57  
58      /**
59       * Allow access of relative URIs when performing &lt;j:include&gt;.
60       * @param s
61       * @return
62       */
63      public InputStream   getResourceAsStream(String   s) {
64          return ctx.getResourceAsStream(s);
65      }
66  
67      protected JellyContext createChildContext()
68      {
69          return new JellyServletContext(this, ctx);
70      }
71  }
72
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