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 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.RunListener;

 import org.apache.maven.surefire.report.ReporterConfiguration;

 import org.apache.maven.surefire.report.ReporterException;

 import org.apache.maven.surefire.report.ReporterFactory;

 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;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import java.util.concurrent.ConcurrentHashMap;

 /**

  * @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;

     private final ReporterConfiguration reporterConfiguration;

     public JUnitCoreProvider( ProviderParameters booterParameters )

     {

         this.providerParameters = booterParameters;

         reporterConfiguration = booterParameters.getReporterConfiguration();

         this.testClassLoader = booterParameters.getTestClassLoader();

         this.directoryScanner = booterParameters.getDirectoryScanner();

         this.jUnitCoreParameters = new JUnitCoreParameters( booterParameters.getProviderProperties() );

         this.scannerFilter = new JUnit4TestChecker( testClassLoader );

         customRunListeners = JUnit4RunListenerFactory.

             createCustomListeners( booterParameters.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();

         final ReporterFactory reporterFactory = providerParameters.getReporterFactory();

         reporterFactory.createConsoleReporter().writeMessage( 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, this.reporterConfiguration,

                                                       jUnitCoreParameters.isParallelClasses(),

                                                       jUnitCoreParameters.isParallelBoth() );

         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 );

     }

 }