View Javadoc
1   package org.apache.maven.surefire.common.junit4;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.lang.reflect.InvocationTargetException;
23  import java.lang.reflect.Method;
24  import org.apache.maven.surefire.util.ReflectionUtils;
25  
26  import org.apache.maven.surefire.util.SurefireReflectionException;
27  import org.junit.Ignore;
28  import org.junit.runner.Description;
29  import org.junit.runner.Request;
30  
31  /**
32   * JUnit4 reflection helper
33   *
34   */
35  public final class JUnit4Reflector
36  {
37      private static final Class[] PARAMS = new Class[]{ Class.class };
38  
39      private static final Class[] IGNORE_PARAMS = new Class[]{ Ignore.class };
40  
41      public Ignore getAnnotatedIgnore( Description description )
42      {
43          Method getAnnotation = ReflectionUtils.tryGetMethod( description.getClass(), "getAnnotation", PARAMS );
44  
45          if ( getAnnotation == null )
46          {
47              return null;
48          }
49  
50          return (Ignore) ReflectionUtils.invokeMethodWithArray( description, getAnnotation, IGNORE_PARAMS );
51      }
52  
53      public String getAnnotatedIgnoreValue( Description description )
54      {
55          final Ignore ignore = getAnnotatedIgnore( description );
56          return ignore != null ? ignore.value() : null;
57      }
58  
59      public Request createRequest( Class<?>... classes )
60      {
61          try
62          {
63              return (Request) Request.class.getDeclaredMethod( "classes", Class[].class )// Since of JUnit 4.5
64                  .invoke( null, new Object[]{ classes } );
65          }
66          catch ( NoSuchMethodException e )
67          {
68              return Request.classes( null, classes ); // Since of JUnit 4.0
69          }
70          catch ( InvocationTargetException e )
71          {
72              throw new SurefireReflectionException( e.getCause() );
73          }
74          catch ( IllegalAccessException e )
75          {
76              // probably JUnit 5.x
77              throw new SurefireReflectionException( e );
78          }
79      }
80  }