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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.annotations;
20  
21  import org.eclipse.jetty.annotations.AnnotationParser.ClassInfo;
22  import org.eclipse.jetty.annotations.AnnotationParser.FieldInfo;
23  import org.eclipse.jetty.annotations.AnnotationParser.MethodInfo;
24  import org.eclipse.jetty.util.log.Log;
25  import org.eclipse.jetty.util.log.Logger;
26  import org.eclipse.jetty.webapp.WebAppContext;
27  
28  /**
29   * WebServletAnnotationHandler
30   *
31   * Process a WebServlet annotation on a class.
32   */
33  public class WebServletAnnotationHandler extends AbstractDiscoverableAnnotationHandler
34  {
35      private static final Logger LOG = Log.getLogger(WebServletAnnotationHandler.class);
36  
37      public WebServletAnnotationHandler (WebAppContext context)
38      {
39          super(context);
40      }
41  
42  
43      /**
44       * Handle discovering a WebServlet annotation.
45       */
46      @Override
47      public void handle(ClassInfo info, String annotationName)
48      {
49          if (annotationName == null || !"javax.servlet.annotation.WebServlet".equals(annotationName))
50              return;
51          
52          WebServletAnnotation annotation = new WebServletAnnotation (_context, info.getClassName(), info.getContainingResource());
53          addAnnotation(annotation);
54      }
55  
56      @Override
57      public void handle(FieldInfo info, String annotationName)
58      {
59          if (annotationName == null || !"javax.servlet.annotation.WebServlet".equals(annotationName))
60              return;
61          
62          LOG.warn ("@WebServlet annotation not supported for fields");
63      }
64  
65      @Override
66      public void handle(MethodInfo info, String annotationName)
67      {
68          if (annotationName == null || !"javax.servlet.annotation.WebServlet".equals(annotationName))
69              return;
70          
71          LOG.warn ("@WebServlet annotation not supported for methods");
72      }
73  }