package org.apache.maven.surefire.junitcore;
   
   /*
    * 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 java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  import org.apache.maven.surefire.common.junit4.JUnit4RunListenerFactory;
  import org.apache.maven.surefire.common.junit4.JUnit4TestChecker;
  import org.apache.maven.surefire.providerapi.AbstractProvider;
  import org.apache.maven.surefire.providerapi.ProviderParameters;
  import org.apache.maven.surefire.report.ConsoleLogger;
  import org.apache.maven.surefire.report.ConsoleOutputCapture;
  import org.apache.maven.surefire.report.ConsoleOutputReceiver;
  import org.apache.maven.surefire.report.ReporterException;
  import org.apache.maven.surefire.report.ReporterFactory;
  import org.apache.maven.surefire.report.RunListener;
  import org.apache.maven.surefire.suite.RunResult;
  import org.apache.maven.surefire.testset.TestSetFailedException;
  import org.apache.maven.surefire.util.DirectoryScanner;
  import org.apache.maven.surefire.util.ScannerFilter;
  import org.apache.maven.surefire.util.TestsToRun;
  
  /**
   * @author Kristian Rosenvold
   */
  @SuppressWarnings( { "UnusedDeclaration" } )
  public class JUnitCoreProvider
      extends AbstractProvider
  {
      private final ClassLoader testClassLoader;
  
      private final DirectoryScanner directoryScanner;
  
      private final JUnitCoreParameters jUnitCoreParameters;
  
      private final ScannerFilter scannerFilter;
  
      private final List<org.junit.runner.notification.RunListener> customRunListeners;
  
      private final ProviderParameters providerParameters;
  
      private TestsToRun testsToRun;
  
  
      public JUnitCoreProvider( ProviderParameters providerParameters )
      {
          this.providerParameters = providerParameters;
          this.testClassLoader = providerParameters.getTestClassLoader();
          this.directoryScanner = providerParameters.getDirectoryScanner();
          this.jUnitCoreParameters = new JUnitCoreParameters( providerParameters.getProviderProperties() );
          this.scannerFilter = new JUnit4TestChecker( testClassLoader );
          customRunListeners = JUnit4RunListenerFactory.
              createCustomListeners( providerParameters.getProviderProperties().getProperty( "listener" ) );
  
      }
  
      public Boolean isRunnable()
      {
          return Boolean.TRUE;
      }
  
      public Iterator getSuites()
      {
          testsToRun = scanClassPath();
          return testsToRun.iterator();
      }
  
      public RunResult invoke( Object forkTestSet )
          throws TestSetFailedException, ReporterException
      {
          final String message = "Concurrency config is " + jUnitCoreParameters.toString() + "\n";
          final ReporterFactory reporterFactory = providerParameters.getReporterFactory();
  
          final ConsoleLogger consoleLogger = providerParameters.getConsoleLogger();
          consoleLogger.info( message );
  
          if ( testsToRun == null )
          {
              testsToRun = forkTestSet == null ? scanClassPath() : TestsToRun.fromClass( (Class) forkTestSet );
          }
         final Map<String, TestSet> testSetMap = new ConcurrentHashMap<String, TestSet>();
 
         RunListener listener = ConcurrentReporterManager.createInstance( testSetMap, reporterFactory,
                                                                          jUnitCoreParameters.isParallelClasses(),
                                                                          jUnitCoreParameters.isParallelBoth(),
                                                                          consoleLogger );
 
         ConsoleOutputCapture.startCapture( (ConsoleOutputReceiver) listener );
 
         org.junit.runner.notification.RunListener jUnit4RunListener = new JUnitCoreRunListener( listener, testSetMap );
         customRunListeners.add( 0, jUnit4RunListener );
 
         JUnitCoreWrapper.execute( testsToRun, jUnitCoreParameters, customRunListeners );
         return reporterFactory.close();
     }
 
     private TestsToRun scanClassPath()
     {
         return directoryScanner.locateTestClasses( testClassLoader, scannerFilter );
     }
 }