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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2013 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 java.util.List;
22  
23  import org.eclipse.jetty.annotations.AnnotationParser.Value;
24  import org.eclipse.jetty.util.log.Log;
25  import org.eclipse.jetty.util.log.Logger;
26  import org.eclipse.jetty.webapp.DiscoveredAnnotation;
27  import org.eclipse.jetty.webapp.WebAppContext;
28  
29  /**
30   * WebServletAnnotationHandler
31   *
32   * Process a WebServlet annotation on a class.
33   *
34   */
35  public class WebServletAnnotationHandler extends AbstractDiscoverableAnnotationHandler
36  {
37      private static final Logger LOG = Log.getLogger(WebServletAnnotationHandler.class);
38  
39      public WebServletAnnotationHandler (WebAppContext context)
40      {
41          super(context);
42      }
43  
44      public WebServletAnnotationHandler (WebAppContext context, List<DiscoveredAnnotation> list)
45      {
46          super(context, list);
47      }
48      
49  
50      /**
51       * Handle discovering a WebServlet annotation.
52       *
53       *
54       * @see org.eclipse.jetty.annotations.AnnotationParser.DiscoverableAnnotationHandler#handleClass(java.lang.String, int, int, java.lang.String, java.lang.String, java.lang.String[], java.lang.String, java.util.List)
55       */
56      @Override
57      public void handleClass(String className, int version, int access, String signature, String superName, String[] interfaces, String annotationName,
58                              List<Value> values)
59      {
60          if (!"javax.servlet.annotation.WebServlet".equals(annotationName))
61              return;
62  
63          WebServletAnnotation annotation = new WebServletAnnotation (_context, className, _resource);
64          addAnnotation(annotation);
65      }
66  
67      @Override
68      public void handleField(String className, String fieldName, int access, String fieldType, String signature, Object value, String annotation,
69                              List<Value> values)
70      {
71          LOG.warn ("@WebServlet annotation not supported for fields");
72      }
73  
74      @Override
75      public void handleMethod(String className, String methodName, int access, String params, String signature, String[] exceptions, String annotation,
76                               List<Value> values)
77      {
78          LOG.warn ("@WebServlet annotation not supported for methods");
79      }
80  
81  
82      @Override
83      public String getAnnotationName()
84      {
85          return "javax.servlet.annotation.WebServlet";
86      }
87  }