package org.apache.maven.surefire.junit;
   
   /*
    * 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.common.junit3.JUnit3Reflector;
  import org.apache.maven.surefire.common.junit3.JUnit3TestChecker;
  import org.apache.maven.surefire.api.provider.AbstractProvider;
  import org.apache.maven.surefire.api.provider.ProviderParameters;
  import org.apache.maven.surefire.api.report.ConsoleOutputCapture;
  import org.apache.maven.surefire.api.report.ConsoleOutputReceiver;
  import org.apache.maven.surefire.api.report.ReporterFactory;
  import org.apache.maven.surefire.api.report.RunListener;
  import org.apache.maven.surefire.api.report.SimpleReportEntry;
  import org.apache.maven.surefire.api.report.TestSetReportEntry;
  import org.apache.maven.surefire.api.suite.RunResult;
  import org.apache.maven.surefire.api.testset.TestSetFailedException;
  import org.apache.maven.surefire.api.util.ReflectionUtils;
  import org.apache.maven.surefire.api.util.RunOrderCalculator;
  import org.apache.maven.surefire.api.util.ScanResult;
  import org.apache.maven.surefire.api.util.TestsToRun;
  
  import java.util.Map;
  
  import static org.apache.maven.surefire.api.util.internal.ObjectUtils.systemProps;
  
  /**
   * @author Kristian Rosenvold
   */
  public class JUnit3Provider
      extends AbstractProvider
  {
      private final ClassLoader testClassLoader;
  
      private final PojoAndJUnit3Checker testChecker;
  
      private final JUnit3TestChecker jUnit3TestChecker;
  
      private final JUnit3Reflector reflector;
  
      private final ProviderParameters providerParameters;
  
      private final RunOrderCalculator runOrderCalculator;
  
      private final ScanResult scanResult;
  
      private TestsToRun testsToRun;
  
      public JUnit3Provider( ProviderParameters booterParameters )
      {
          this.providerParameters = booterParameters;
          testClassLoader = booterParameters.getTestClassLoader();
          scanResult = booterParameters.getScanResult();
          runOrderCalculator = booterParameters.getRunOrderCalculator();
          reflector = new JUnit3Reflector( testClassLoader );
          jUnit3TestChecker = new JUnit3TestChecker( testClassLoader );
          testChecker = new PojoAndJUnit3Checker( jUnit3TestChecker ); // Todo; use reflector
      }
  
      @Override
      public RunResult invoke( Object forkTestSet )
          throws TestSetFailedException
      {
          if ( testsToRun == null )
          {
              if ( forkTestSet instanceof TestsToRun )
              {
                  testsToRun = (TestsToRun) forkTestSet;
              }
              else if ( forkTestSet instanceof Class )
              {
                  testsToRun = TestsToRun.fromClass( (Class<?>) forkTestSet );
              }
              else
              {
                  testsToRun = scanClassPath();
              }
          }
  
          ReporterFactory reporterFactory = providerParameters.getReporterFactory();
          RunResult runResult;
          try
          {
             final RunListener reporter = reporterFactory.createReporter();
             ConsoleOutputCapture.startCapture( (ConsoleOutputReceiver) reporter );
             Map<String, String> systemProperties = systemProps();
             String smClassName = System.getProperty( "surefire.security.manager" );
             if ( smClassName != null )
             {
                 SecurityManager securityManager =
                     ReflectionUtils.instantiate( getClass().getClassLoader(), smClassName, SecurityManager.class );
                 System.setSecurityManager( securityManager );
             }
 
             for ( Class<?> clazz : testsToRun )
             {
                 SurefireTestSet surefireTestSet = createTestSet( clazz );
                 executeTestSet( surefireTestSet, reporter, testClassLoader, systemProperties );
             }
         }
         finally
         {
             runResult = reporterFactory.close();
         }
         return runResult;
     }
 
     private SurefireTestSet createTestSet( Class<?> clazz )
     {
         return reflector.isJUnit3Available() && jUnit3TestChecker.accept( clazz )
             ? new JUnitTestSet( clazz, reflector )
             : new PojoTestSet( clazz );
     }
 
     private void executeTestSet( SurefireTestSet testSet, RunListener reporter, ClassLoader classLoader,
                                  Map<String, String> systemProperties )
         throws TestSetFailedException
     {
         String clazz = testSet.getName();
 
         try
         {
             TestSetReportEntry started = new SimpleReportEntry( clazz, null, null, null );
             reporter.testSetStarting( started );
             testSet.execute( reporter, classLoader );
         }
         finally
         {
             TestSetReportEntry completed = new SimpleReportEntry( clazz, null, null, null, systemProperties );
             reporter.testSetCompleted( completed );
         }
     }
 
     private TestsToRun scanClassPath()
     {
         final TestsToRun testsToRun = scanResult.applyFilter( testChecker, testClassLoader );
         return runOrderCalculator.orderTestClasses( testsToRun );
     }
 
     @Override
     public Iterable<Class<?>> getSuites()
     {
         testsToRun = scanClassPath();
         return testsToRun;
     }
 }