InstallColorListener


1   /*
2    * The contents of this file are subject to the terms
3    * of the Common Development and Distribution License
4    * (the "License").  You may not use this file except
5    * in compliance with the License.
6    *
7    * You can obtain a copy of the license at
8    * glassfish/bootstrap/legal/CDDLv1.0.txt or
9    * https://glassfish.dev.java.net/public/CDDLv1.0.html.
10   * See the License for the specific language governing
11   * permissions and limitations under the License.
12   *
13   * When distributing Covered Code, include this CDDL
14   * HEADER in each file and include the License file at
15   * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable,
16   * add the following below this CDDL HEADER, with the
17   * fields enclosed by brackets "[]" replaced with your
18   * own identifying information: Portions Copyright [yyyy]
19   * [name of copyright owner]
20   *
21   * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
22   *
23   * Portions Copyright Apache Software Foundation.
24   */
25  package jsp2_1.examples.elresolver;
26  
27  import javax.servlet.ServletContext  ;
28  import javax.servlet.ServletContextEvent  ;
29  import javax.servlet.ServletContextListener  ;
30  import javax.servlet.jsp.JspApplicationContext  ;
31  import javax.servlet.jsp.JspFactory  ;
32  
33  /**
34   * ServletContextListener that installs the ColorELResolver,
35   * enabling the use of ${Color}.
36   * 
37   * @author Mark Roth
38   */
39  public class InstallColorListener 
40      implements ServletContextListener  
41  {
42      public void contextInitialized(ServletContextEvent   evt) {
43          ServletContext   context = evt.getServletContext();
44          JspApplicationContext   jspContext = 
45              JspFactory.getDefaultFactory().getJspApplicationContext(context);
46          jspContext.addELResolver(new ColorELResolver());
47          
48      }
49      
50      public void contextDestroyed(ServletContextEvent   evt) {
51      }
52  }
53
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