package org.apache.maven.surefire.common.junit48;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import org.apache.maven.surefire.NonAbstractClassFilter;

 import org.apache.maven.surefire.common.junit4.JUnit4TestChecker;

 import org.apache.maven.surefire.util.ScannerFilter;

 import org.junit.experimental.runners.Enclosed;

 /**

  * Looks for additional junit48-like features

  * @author Geoff Denning

  * @author Kristian Rosenvold

  */

 public class JUnit48TestChecker

     implements ScannerFilter

 {

     private final NonAbstractClassFilter nonAbstractClassFilter;

     private final JUnit4TestChecker jUnit4TestChecker;

     public JUnit48TestChecker( ClassLoader testClassLoader )

     {

         this.jUnit4TestChecker = new JUnit4TestChecker( testClassLoader );

         this.nonAbstractClassFilter = new NonAbstractClassFilter();

     }

     public boolean accept( Class testClass )

     {

         return jUnit4TestChecker.accept( testClass ) || isAbstractWithEnclosedRunner( testClass );

     }

     @SuppressWarnings( { "unchecked" } )

     private boolean isAbstractWithEnclosedRunner( Class testClass )

     {

         return jUnit4TestChecker.isRunWithPresentInClassLoader() &&  isAbstract( testClass ) && isRunWithEnclosedRunner(testClass);

     }

     private boolean isRunWithEnclosedRunner(Class testClass )

     {

         @SuppressWarnings( "unchecked" ) org.junit.runner.RunWith runWithAnnotation =

             (org.junit.runner.RunWith) testClass.getAnnotation( org.junit.runner.RunWith.class );

         return ( runWithAnnotation != null && Enclosed.class.equals( runWithAnnotation.value()));

     }

     private boolean isAbstract( Class testClass )

     {

         return !nonAbstractClassFilter.accept( testClass );

     }

 }