package org.apache.maven.surefire.booter;
   
   /*
    * 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.api.booter.BaseProviderFactory;
  import org.apache.maven.surefire.api.cli.CommandLineOption;
  import org.apache.maven.surefire.api.provider.ProviderParameters;
  import org.apache.maven.surefire.api.report.ReporterConfiguration;
  import org.apache.maven.surefire.api.report.ReporterFactory;
  import org.apache.maven.surefire.api.suite.RunResult;
  import org.apache.maven.surefire.api.testset.DirectoryScannerParameters;
  import org.apache.maven.surefire.api.testset.RunOrderParameters;
  import org.apache.maven.surefire.api.testset.TestArtifactInfo;
  import org.apache.maven.surefire.api.testset.TestListResolver;
  import org.apache.maven.surefire.api.testset.TestRequest;
  import org.apache.maven.surefire.api.util.RunOrder;
  import org.apache.maven.surefire.api.util.SurefireReflectionException;
  
  import java.io.File;
  import java.lang.reflect.Constructor;
  import java.lang.reflect.Method;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.Map;
  
  import static java.util.Collections.checkedList;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.getConstructor;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.getMethod;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.instantiateOneArg;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.invokeGetter;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.invokeMethodWithArray;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.invokeSetter;
  import static org.apache.maven.surefire.api.util.ReflectionUtils.newInstance;
  
  /**
   * Does reflection based invocation of the surefire methods.
   * <br>
   * This is to avoid complications with linkage issues
   *
   * @author Kristian Rosenvold
   */
  public final class SurefireReflector
  {
      private final ClassLoader surefireClassLoader;
  
      private final Class<?> reporterConfiguration;
  
      private final Class<?> testRequest;
  
      private final Class<?> testArtifactInfo;
  
      private final Class<?> directoryScannerParameters;
  
      private final Class<?> runOrderParameters;
  
      private final Class<?> baseProviderFactory;
  
      private final Class<?> runResult;
  
      private final Class<?> booterParameters;
  
      private final Class<?> reporterFactory;
  
      private final Class<?> testListResolver;
  
      private final Class<Enum<?>> commandLineOptionsClass;
  
      @SuppressWarnings( "unchecked" )
      public SurefireReflector( ClassLoader surefireClassLoader )
      {
          this.surefireClassLoader = surefireClassLoader;
          try
          {
              reporterConfiguration = surefireClassLoader.loadClass( ReporterConfiguration.class.getName() );
              testRequest = surefireClassLoader.loadClass( TestRequest.class.getName() );
              testArtifactInfo = surefireClassLoader.loadClass( TestArtifactInfo.class.getName() );
              directoryScannerParameters = surefireClassLoader.loadClass( DirectoryScannerParameters.class.getName() );
              runOrderParameters = surefireClassLoader.loadClass( RunOrderParameters.class.getName() );
              baseProviderFactory = surefireClassLoader.loadClass( BaseProviderFactory.class.getName() );
              reporterFactory = surefireClassLoader.loadClass( ReporterFactory.class.getName() );
              runResult = surefireClassLoader.loadClass( RunResult.class.getName() );
             booterParameters = surefireClassLoader.loadClass( ProviderParameters.class.getName() );
             testListResolver = surefireClassLoader.loadClass( TestListResolver.class.getName() );
             commandLineOptionsClass =
                 (Class<Enum<?>>) surefireClassLoader.loadClass( CommandLineOption.class.getName() );
         }
         catch ( ClassNotFoundException e )
         {
             throw new SurefireReflectionException( e );
         }
     }
 
     public Object convertIfRunResult( Object result )
     {
         if ( result == null || !isRunResult( result ) )
         {
             return result;
         }
         int getCompletedCount1 = (Integer) invokeGetter( result, "getCompletedCount" );
         int getErrors = (Integer) invokeGetter( result, "getErrors" );
         int getSkipped = (Integer) invokeGetter( result, "getSkipped" );
         int getFailures = (Integer) invokeGetter( result, "getFailures" );
         return new RunResult( getCompletedCount1, getErrors, getFailures, getSkipped );
     }
 
     private Object createTestRequest( TestRequest suiteDefinition )
     {
         if ( suiteDefinition == null )
         {
             return null;
         }
         else
         {
             Object resolver = createTestListResolver( suiteDefinition.getTestListResolver() );
             Class<?>[] arguments = { List.class, File.class, testListResolver, int.class };
             Constructor<?> constructor = getConstructor( testRequest, arguments );
             return newInstance( constructor,
                                 suiteDefinition.getSuiteXmlFiles(),
                                 suiteDefinition.getTestSourceDirectory(),
                                 resolver,
                                 suiteDefinition.getRerunFailingTestsCount() );
         }
     }
 
     private Object createTestListResolver( TestListResolver resolver )
     {
         if ( resolver == null )
         {
             return null;
         }
         else
         {
             Constructor<?> constructor = getConstructor( testListResolver, String.class );
             return newInstance( constructor, resolver.getPluginParameterTest() );
         }
     }
 
     private Object createDirectoryScannerParameters( DirectoryScannerParameters directoryScannerParameters )
     {
         if ( directoryScannerParameters == null )
         {
             return null;
         }
         //Can't use the constructor with the RunOrder parameter. Using it causes some integration tests to fail.
         Class<?>[] arguments = { File.class, List.class, List.class, List.class, boolean.class, String.class };
         Constructor<?> constructor = getConstructor( this.directoryScannerParameters, arguments );
         return newInstance( constructor,
                             directoryScannerParameters.getTestClassesDirectory(),
                             directoryScannerParameters.getIncludes(),
                             directoryScannerParameters.getExcludes(),
                             directoryScannerParameters.getSpecificTests(),
                             directoryScannerParameters.isFailIfNoTests(),
                             RunOrder.asString( directoryScannerParameters.getRunOrder() ) );
     }
 
     private Object createRunOrderParameters( RunOrderParameters runOrderParameters )
     {
         if ( runOrderParameters == null )
         {
             return null;
         }
         //Can't use the constructor with the RunOrder parameter. Using it causes some integration tests to fail.
         Class<?>[] arguments = { String.class, File.class };
         Constructor<?> constructor = getConstructor( this.runOrderParameters, arguments );
         File runStatisticsFile = runOrderParameters.getRunStatisticsFile();
         return newInstance( constructor, RunOrder.asString( runOrderParameters.getRunOrder() ), runStatisticsFile );
     }
 
     private Object createTestArtifactInfo( TestArtifactInfo testArtifactInfo )
     {
         if ( testArtifactInfo == null )
         {
             return null;
         }
         Class<?>[] arguments = { String.class, String.class };
         Constructor<?> constructor = getConstructor( this.testArtifactInfo, arguments );
         return newInstance( constructor, testArtifactInfo.getVersion(), testArtifactInfo.getClassifier() );
     }
 
     private Object createReporterConfiguration( ReporterConfiguration reporterConfig )
     {
         Constructor<?> constructor = getConstructor( reporterConfiguration, File.class, boolean.class );
         return newInstance( constructor, reporterConfig.getReportsDirectory(), reporterConfig.isTrimStackTrace() );
     }
 
     public Object createBooterConfiguration( ClassLoader surefireClassLoader, boolean insideFork )
     {
         return instantiateOneArg( surefireClassLoader, BaseProviderFactory.class.getName(), boolean.class, insideFork );
     }
 
     public Object instantiateProvider( String providerClassName, Object booterParameters )
     {
         return instantiateOneArg( surefireClassLoader, providerClassName, this.booterParameters, booterParameters );
     }
 
     public void setIfDirScannerAware( Object o, DirectoryScannerParameters dirScannerParams )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             setDirectoryScannerParameters( o, dirScannerParams );
         }
     }
 
     public void setMainCliOptions( Object o, List<CommandLineOption> options )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             List<Enum<?>> newOptions = checkedList( new ArrayList<Enum<?>>( options.size() ), commandLineOptionsClass );
             Collection<Integer> ordinals = toOrdinals( options );
             for ( Enum<?> e : commandLineOptionsClass.getEnumConstants() )
             {
                 if ( ordinals.contains( e.ordinal() ) )
                 {
                     newOptions.add( e );
                 }
             }
             invokeSetter( o, "setMainCliOptions", List.class, newOptions );
         }
     }
 
     public void setSkipAfterFailureCount( Object o, int skipAfterFailureCount )
     {
         invokeSetter( o, "setSkipAfterFailureCount", int.class, skipAfterFailureCount );
     }
 
     public void setSystemExitTimeout( Object o, Integer systemExitTimeout )
     {
         invokeSetter( o, "setSystemExitTimeout", Integer.class, systemExitTimeout );
     }
 
     void setDirectoryScannerParameters( Object o, DirectoryScannerParameters dirScannerParams )
     {
         Object param = createDirectoryScannerParameters( dirScannerParams );
         invokeSetter( o, "setDirectoryScannerParameters", directoryScannerParameters, param );
     }
 
     public void setRunOrderParameters( Object o, RunOrderParameters runOrderParameters )
     {
         Object param = createRunOrderParameters( runOrderParameters );
         invokeSetter( o, "setRunOrderParameters", this.runOrderParameters, param );
     }
 
     public void setTestSuiteDefinitionAware( Object o, TestRequest testSuiteDefinition2 )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             setTestSuiteDefinition( o, testSuiteDefinition2 );
         }
     }
 
     void setTestSuiteDefinition( Object o, TestRequest testSuiteDefinition1 )
     {
         Object param = createTestRequest( testSuiteDefinition1 );
         invokeSetter( o, "setTestRequest", testRequest, param );
     }
 
     public void setProviderPropertiesAware( Object o, Map<String, String> properties )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             setProviderProperties( o, properties );
         }
     }
 
     void setProviderProperties( Object o, Map<String, String> providerProperties )
     {
         invokeSetter( o, "setProviderProperties", Map.class, providerProperties );
     }
 
     public void setReporterConfigurationAware( Object o, ReporterConfiguration reporterConfiguration1 )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             setReporterConfiguration( o, reporterConfiguration1 );
         }
     }
 
     private void setReporterConfiguration( Object o, ReporterConfiguration reporterConfiguration )
     {
         Object param = createReporterConfiguration( reporterConfiguration );
         invokeSetter( o, "setReporterConfiguration", this.reporterConfiguration, param );
     }
 
     public void setTestClassLoaderAware( Object o, ClassLoader testClassLoader )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             setTestClassLoader( o, testClassLoader );
         }
     }
 
     void setTestClassLoader( Object o, ClassLoader testClassLoader )
     {
         Method setter = getMethod( o, "setClassLoaders", ClassLoader.class );
         invokeMethodWithArray( o, setter, testClassLoader );
     }
 
     public void setTestArtifactInfoAware( Object o, TestArtifactInfo testArtifactInfo1 )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             setTestArtifactInfo( o, testArtifactInfo1 );
         }
     }
 
     void setTestArtifactInfo( Object o, TestArtifactInfo testArtifactInfo )
     {
         Object param = createTestArtifactInfo( testArtifactInfo );
         invokeSetter( o, "setTestArtifactInfo", this.testArtifactInfo, param );
     }
 
     public void setReporterFactoryAware( Object o, Object reporterFactory )
     {
         if ( baseProviderFactory.isAssignableFrom( o.getClass() ) )
         {
             setReporterFactory( o, reporterFactory );
         }
     }
 
     void setReporterFactory( Object o, Object reporterFactory )
     {
         invokeSetter( o, "setReporterFactory", this.reporterFactory, reporterFactory );
     }
 
     private boolean isRunResult( Object o )
     {
         return runResult.isAssignableFrom( o.getClass() );
     }
 
     private static Collection<Integer> toOrdinals( Collection<? extends Enum<?>> enums )
     {
         Collection<Integer> ordinals = new ArrayList<>( enums.size() );
         for ( Enum<?> e : enums )
         {
             ordinals.add( e.ordinal() );
         }
         return ordinals;
     }
 }