package org.apache.maven.plugin.failsafe;
   
   /*
    * 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.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugin.surefire.AbstractSurefireMojo;
  import org.apache.maven.plugin.surefire.booterclient.ChecksumCalculator;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.plugins.annotations.ResolutionScope;
  import org.apache.maven.shared.utils.StringUtils;
  import org.apache.maven.surefire.suite.RunResult;
  
  import javax.xml.bind.JAXBException;
  import java.io.File;
  import java.io.IOException;
  import java.nio.charset.Charset;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  import java.util.Locale;
  
  import static org.apache.maven.plugin.failsafe.xmlsummary.FailsafeSummaryXmlUtils.writeSummary;
  import static org.apache.maven.shared.utils.ReaderFactory.FILE_ENCODING;
  
  /**
   * Run integration tests using Surefire.
   *
   * @author Jason van Zyl
   * @author Stephen Connolly
   * @noinspection JavaDoc,
   */
  @Mojo( name = "integration-test", requiresProject = true, requiresDependencyResolution = ResolutionScope.TEST,
               defaultPhase = LifecyclePhase.INTEGRATION_TEST, threadSafe = true )
  public class IntegrationTestMojo
          extends AbstractSurefireMojo
  {
  
      private static final String FAILSAFE_IN_PROGRESS_CONTEXT_KEY = "failsafe-in-progress";
  
      /**
       * The path representing project <em>JAR</em> file, if exists; Otherwise the directory containing generated
       * classes of the project being tested. This will be included after the test classes in the test classpath.
       * Defaults to built artifact <em>JAR</em> file or ${project.build.outputDirectory}.
       */
      @Parameter
      private File classesDirectory;
  
      @Parameter( readonly = true, defaultValue = "${project.build.outputDirectory}" )
      private File defaultClassesDirectory;
  
      /**
       * Set this to "true" to skip running integration tests, but still compile them. Its use is NOT RECOMMENDED, but
       * quite convenient on occasion.
       *
       * @since 2.4.3-alpha-2
       */
      @Parameter( property = "skipITs" )
      private boolean skipITs;
  
      /**
       * Base directory where all reports are written to.
       */
      @Parameter( defaultValue = "${project.build.directory}/failsafe-reports" )
      private File reportsDirectory;
  
      /**
       * Specify this parameter to run individual tests by file name, overriding the <code>includes/excludes</code>
       * parameters. Each pattern you specify here will be used to create an include pattern formatted like
       * <code>**&#47;${it.test}.java</code>, so you can just type "-Dit.test=MyIT" to run a single test called
       * "foo/MyIT.java".<br/>
       * This parameter overrides the <code>includes/excludes</code> parameters, and the TestNG <code>suiteXmlFiles</code>
       * parameter.
       * <p/>
       * Since 2.7.3 You can execute a limited number of methods in the test with adding #myMethod or #my*ethod. E.g. type
       * "-Dit.test=MyIT#myMethod" <b>supported for junit 4.x and testNg</b>
       * <br/>
       * Since 2.19 a complex syntax is supported in one parameter (JUnit 4, JUnit 4.7+, TestNG):<br/>
       * "-Dit.test=???IT, !Unstable*, pkg&#47;**&#47;Ci*leIT.java, *IT#test*One+testTwo?????, #fast*+slowTest"<br/>
       * "-Dit.test=Basic*, !%regex[.*.Unstable.*], !%regex[.*.MyIT.class#one.*|two.*], %regex[#fast.*|slow.*]"<br/>
      * <br/>
      * The Parameterized JUnit runner <em>describes</em> test methods using an index in brackets, so the non-regex
      * method pattern would become: <em>#testMethod[*]</em>. If using <em>@Parameters(name="{index}: fib({0})={1}")</em>
      * and selecting the index e.g. 5 in pattern, the non-regex method pattern would become <em>#testMethod[5:*]</em>.
      * <br/>
      */
     @Parameter( property = "it.test" )
     private String test;
 
     /**
      * The summary file to write integration test results to.
      */
     @Parameter( defaultValue = "${project.build.directory}/failsafe-reports/failsafe-summary.xml", required = true )
     private File summaryFile;
 
     /**
      * Option to print summary of test suites or just print the test cases that have errors.
      */
     @Parameter( property = "failsafe.printSummary", defaultValue = "true" )
     private boolean printSummary;
 
     /**
      * Selects the formatting for the test report to be generated. Can be set as "brief" or "plain".
      * Only applies to the output format of the output files  (target/surefire-reports/testName.txt)
      */
     @Parameter( property = "failsafe.reportFormat", defaultValue = "brief" )
     private String reportFormat;
 
     /**
      * Option to generate a file test report or just output the test report to the console.
      */
     @Parameter( property = "failsafe.useFile", defaultValue = "true" )
     private boolean useFile;
 
     /**
      * Set this to "true" to cause a failure if the none of the tests specified in -Dtest=... are run. Defaults to
      * "true".
      *
      * @since 2.12
      */
     @Parameter( property = "it.failIfNoSpecifiedTests" )
     private Boolean failIfNoSpecifiedTests;
 
     /**
      * Attach a debugger to the forked JVM. If set to "true", the process will suspend and wait for a debugger to attach
      * on port 5005. If set to some other string, that string will be appended to the argLine, allowing you to configure
      * arbitrary debuggability options (without overwriting the other options specified through the <code>argLine</code>
      * parameter).
      *
      * @since 2.4
      */
     @Parameter( property = "maven.failsafe.debug" )
     private String debugForkedProcess;
 
     /**
      * Kill the forked test process after a certain number of seconds. If set to 0, wait forever for the process, never
      * timing out.
      *
      * @since 2.4
      */
     @Parameter( property = "failsafe.timeout" )
     private int forkedProcessTimeoutInSeconds;
 
     /**
      * Forked process is normally terminated without any significant delay after given tests have completed.
      * If the particular tests started non-daemon Thread(s), the process hangs instead of been properly terminated
      * by <em>System.exit()</em>. Use this parameter in order to determine the timeout of terminating the process.
      * <a href="http://maven.apache.org/surefire/maven-failsafe-plugin/examples/shutdown.html">see the documentation:
      * http://maven.apache.org/surefire/maven-failsafe-plugin/examples/shutdown.html</a>;
      *
      * @since 2.20
      */
     @Parameter( property = "failsafe.exitTimeout", defaultValue = "30" )
     private int forkedProcessExitTimeoutInSeconds;
 
     /**
      * Stop executing queued parallel JUnit tests after a certain number of seconds.
      * <br/>
      * Example values: "3.5", "4"<br/>
      * <br/>
      * If set to 0, wait forever, never timing out.
      * Makes sense with specified <code>parallel</code> different from "none".
      *
      * @since 2.16
      */
     @Parameter( property = "failsafe.parallel.timeout" )
     private double parallelTestsTimeoutInSeconds;
 
     /**
      * Stop executing queued parallel JUnit tests
      * and <em>interrupt</em> currently running tests after a certain number of seconds.
      * <br/>
      * Example values: "3.5", "4"<br/>
      * <br/>
      * If set to 0, wait forever, never timing out.
      * Makes sense with specified <code>parallel</code> different from "none".
      *
      * @since 2.16
      */
     @Parameter( property = "failsafe.parallel.forcedTimeout" )
     private double parallelTestsTimeoutForcedInSeconds;
 
     /**
      * A list of &lt;include> elements specifying the tests (by pattern) that should be included in testing. When not
      * specified and when the <code>test</code> parameter is not specified, the default includes will be <code><br/>
      * &lt;includes><br/>
      * &nbsp;&lt;include>**&#47;IT*.java&lt;/include><br/>
      * &nbsp;&lt;include>**&#47;*IT.java&lt;/include><br/>
      * &nbsp;&lt;include>**&#47;*ITCase.java&lt;/include><br/>
      * &lt;/includes><br/>
      * </code>
      * <p/>
      * Each include item may also contain a comma-separated sublist of items, which will be treated as multiple
      * &nbsp;&lt;include> entries.<br/>
      * Since 2.19 a complex syntax is supported in one parameter (JUnit 4, JUnit 4.7+, TestNG):<br/>
      * &nbsp;&lt;include>%regex[.*[Cat|Dog].*], Basic????, !Unstable*&lt;/include><br/>
      * &nbsp;&lt;include>%regex[.*[Cat|Dog].*], !%regex[pkg.*Slow.*.class], pkg&#47;**&#47;*Fast*.java&lt;/include><br/>
      * <p/>
      * This parameter is ignored if the TestNG <code>suiteXmlFiles</code> parameter is specified.<br/>
      * <br/>
      * <em>Notice that</em> these values are relative to the directory containing generated test classes of the project
      * being tested. This directory is declared by the parameter <code>testClassesDirectory</code> which defaults
      * to the POM property <code>${project.build.testOutputDirectory}</code>, typically <em>src/test/java</em>
      * unless overridden.
      */
     @Parameter
     private List<String> includes;
 
     /**
      * Option to pass dependencies to the system's classloader instead of using an isolated class loader when forking.
      * Prevents problems with JDKs which implement the service provider lookup mechanism by using the system's
      * classloader.
      *
      * @since 2.3
      */
     @Parameter( property = "failsafe.useSystemClassLoader", defaultValue = "true" )
     private boolean useSystemClassLoader;
 
     /**
      * By default, Surefire forks your tests using a manifest-only JAR; set this parameter to "false" to force it to
      * launch your tests with a plain old Java classpath. (See the
      * <a href="http://maven.apache.org/plugins/maven-failsafe-plugin/examples/class-loading.html">
      * http://maven.apache.org/plugins/maven-failsafe-plugin/examples/class-loading.html</a>;
      * for a more detailed explanation of manifest-only JARs and their benefits.)
      * <br/>
      * Beware, setting this to "false" may cause your tests to fail on Windows if your classpath is too long.
      *
      * @since 2.4.3
      */
     @Parameter( property = "failsafe.useManifestOnlyJar", defaultValue = "true" )
     private boolean useManifestOnlyJar;
 
     /**
      * The character encoding scheme to be applied.
      */
     @Parameter( property = "encoding", defaultValue = "${project.reporting.outputEncoding}" )
     private String encoding;
 
     /**
      * (JUnit 4+ providers)
      * The number of times each failing test will be rerun. If set larger than 0, rerun failing tests immediately after
      * they fail. If a failing test passes in any of those reruns, it will be marked as pass and reported as a "flake".
      * However, all the failing attempts will be recorded.
      */
     @Parameter( property = "failsafe.rerunFailingTestsCount", defaultValue = "0" )
     private int rerunFailingTestsCount;
 
     /**
      * (TestNG) List of &lt;suiteXmlFile> elements specifying TestNG suite xml file locations. Note that
      * <code>suiteXmlFiles</code> is incompatible with several other parameters of this plugin, like
      * <code>includes/excludes</code>.<br/>
      * This parameter is ignored if the <code>test</code> parameter is specified (allowing you to run a single test
      * instead of an entire suite).
      *
      * @since 2.2
      */
     @Parameter( property = "failsafe.suiteXmlFiles" )
     private File[] suiteXmlFiles;
 
     /**
      * Defines the order the tests will be run in. Supported values are "alphabetical", "reversealphabetical", "random",
      * "hourly" (alphabetical on even hours, reverse alphabetical on odd hours), "failedfirst", "balanced" and
      * "filesystem".
      * <br/>
      * <br/>
      * Odd/Even for hourly is determined at the time the of scanning the classpath, meaning it could change during a
      * multi-module build.
      * <br/>
      * <br/>
      * Failed first will run tests that failed on previous run first, as well as new tests for this run.
      * <br/>
      * <br/>
      * Balanced is only relevant with parallel=classes, and will try to optimize the run-order of the tests reducing the
      * overall execution time. Initially a statistics file is created and every next test run will reorder classes.
      * <br/>
      * <br/>
      * Note that the statistics are stored in a file named .surefire-XXXXXXXXX beside pom.xml, and should not be checked
      * into version control. The "XXXXX" is the SHA1 checksum of the entire surefire configuration, so different
      * configurations will have different statistics files, meaning if you change any config settings you will re-run
      * once before new statistics data can be established.
      *
      * @since 2.7
      */
     @Parameter( property = "failsafe.runOrder", defaultValue = "filesystem" )
     private String runOrder;
 
     /**
      * A file containing include patterns. Blank lines, or lines starting with # are ignored. If {@code includes} are
      * also specified, these patterns are appended. Example with path, simple and regex includes:<br/>
      * &#042;&#047;it/*<br/>
      * &#042;&#042;&#047;NotIncludedByDefault.java<br/>
      * %regex[.*IT.*|.*Not.*]<br/>
      */
     @Parameter( property = "failsafe.includesFile" )
     private File includesFile;
 
     /**
      * A file containing exclude patterns. Blank lines, or lines starting with # are ignored. If {@code excludes} are
      * also specified, these patterns are appended. Example with path, simple and regex excludes:<br/>
      * &#042;&#047;it/*<br/>
      * &#042;&#042;&#047;DontRunIT.*<br/>
      * %regex[.*IT.*|.*Not.*]<br/>
      */
     @Parameter( property = "failsafe.excludesFile" )
     private File excludesFile;
 
     /**
      * Set to error/failure count in order to skip remaining tests.
      * Due to race conditions in parallel/forked execution this may not be fully guaranteed.<br/>
      * Enable with system property -Dfailsafe.skipAfterFailureCount=1 or any number greater than zero.
      * Defaults to "0".<br/>
      * See the prerequisites and limitations in documentation:<br/>
      * <a href="http://maven.apache.org/plugins/maven-failsafe-plugin/examples/skip-after-failure.html">
      * http://maven.apache.org/plugins/maven-failsafe-plugin/examples/skip-after-failure.html</a>;
      *
      * @since 2.19
      */
     @Parameter( property = "failsafe.skipAfterFailureCount", defaultValue = "0" )
     private int skipAfterFailureCount;
 
     /**
      * After the plugin process is shutdown by sending SIGTERM signal (CTRL+C), SHUTDOWN command is received by every
      * forked JVM. By default (shutdown=testset) forked JVM would not continue with new test which means that
      * the current test may still continue to run.<br/>
      * The parameter can be configured with other two values "exit" and "kill".<br/>
      * Using "exit" forked JVM executes System.exit(1) after the plugin process has received SIGTERM signal.<br/>
      * Using "kill" the JVM executes Runtime.halt(1) and kills itself.
      *
      * @since 2.19
      */
     @Parameter( property = "failsafe.shutdown", defaultValue = "testset" )
     private String shutdown;
 
     protected int getRerunFailingTestsCount()
     {
         return rerunFailingTestsCount;
     }
 
     @SuppressWarnings( "unchecked" )
     protected void handleSummary( RunResult summary, Exception firstForkException )
             throws MojoExecutionException, MojoFailureException
     {
         File summaryFile = getSummaryFile();
         if ( !summaryFile.getParentFile().isDirectory() )
         {
             //noinspection ResultOfMethodCallIgnored
             summaryFile.getParentFile().mkdirs();
         }
 
         try
         {
             Object token = getPluginContext().get( FAILSAFE_IN_PROGRESS_CONTEXT_KEY );
             writeSummary( summary, summaryFile, token != null, toCharset( getEncodingOrDefault() ) );
         }
         catch ( IOException e )
         {
             throw new MojoExecutionException( e.getMessage(), e );
         }
         catch ( JAXBException e )
         {
             throw new MojoExecutionException( e.getMessage(), e );
         }
 
         getPluginContext().put( FAILSAFE_IN_PROGRESS_CONTEXT_KEY, FAILSAFE_IN_PROGRESS_CONTEXT_KEY );
     }
 
     private String getEncodingOrDefault()
     {
         if ( StringUtils.isEmpty( encoding ) )
         {
             getConsoleLogger()
                     .warning( "File encoding has not been set, using platform encoding "
                                       + FILE_ENCODING
                                       + ", i.e. build is platform dependent! The file encoding for reports output files"
                                       + " should be provided by the POM property ${project.reporting.outputEncoding}."
             );
             return FILE_ENCODING;
         }
         else
         {
             return encoding;
         }
     }
 
     private boolean isJarArtifact( File artifactFile )
     {
         return artifactFile != null && artifactFile.isFile() && artifactFile.getName().toLowerCase().endsWith( ".jar" );
     }
 
     private static File toAbsoluteCanonical( File f )
     {
         try
         {
             return f == null ? null : f.getAbsoluteFile().getCanonicalFile();
         }
         catch ( IOException e )
         {
             throw new IllegalStateException( e.getLocalizedMessage(), e );
         }
     }
 
     @SuppressWarnings( "deprecation" )
     protected boolean isSkipExecution()
     {
         return isSkip() || isSkipTests() || isSkipITs() || isSkipExec();
     }
 
     protected String getPluginName()
     {
         return "failsafe";
     }
 
     protected String[] getDefaultIncludes()
     {
         return new String[]{ "**/IT*.java", "**/*IT.java", "**/*ITCase.java" };
     }
 
     @Override
     protected String getReportSchemaLocation()
     {
         return "https://maven.apache.org/surefire/maven-failsafe-plugin/xsd/failsafe-test-report.xsd";
     }
 
     public boolean isSkipTests()
     {
         return skipTests;
     }
 
     public void setSkipTests( boolean skipTests )
     {
         this.skipTests = skipTests;
     }
 
     public boolean isSkipITs()
     {
         return skipITs;
     }
 
     public void setSkipITs( boolean skipITs )
     {
         this.skipITs = skipITs;
     }
 
     @SuppressWarnings( "deprecation" )
     @Deprecated
     public boolean isSkipExec()
     {
         return skipExec;
     }
 
     @SuppressWarnings( "deprecation" )
     @Deprecated
     public void setSkipExec( boolean skipExec )
     {
         this.skipExec = skipExec;
     }
 
     public boolean isSkip()
     {
         return skip;
     }
 
     public void setSkip( boolean skip )
     {
         this.skip = skip;
     }
 
     public File getBasedir()
     {
         return basedir;
     }
 
     public void setBasedir( File basedir )
     {
         this.basedir = basedir;
     }
 
     public File getTestClassesDirectory()
     {
         return testClassesDirectory;
     }
 
     public void setTestClassesDirectory( File testClassesDirectory )
     {
         this.testClassesDirectory = testClassesDirectory;
     }
 
     /**
      * @return Output directory, or artifact file if artifact type is "jar". If not forking the JVM, parameter
      * {@link #useSystemClassLoader} is ignored and the {@link org.apache.maven.surefire.booter.IsolatedClassLoader} is
      * used instead. See the resolution of {@link #getClassLoaderConfiguration() ClassLoaderConfiguration}.
      */
     public File getClassesDirectory()
     {
         File artifact = getProject().getArtifact().getFile();
         boolean isDefaultClsDir = classesDirectory == null;
         return isDefaultClsDir ? ( isJarArtifact( artifact ) ? artifact : defaultClassesDirectory ) : classesDirectory;
     }
 
     public void setClassesDirectory( File classesDirectory )
     {
         this.classesDirectory = toAbsoluteCanonical( classesDirectory );
     }
 
     public void setDefaultClassesDirectory( File defaultClassesDirectory )
     {
         this.defaultClassesDirectory = toAbsoluteCanonical( defaultClassesDirectory );
     }
 
     public File getReportsDirectory()
     {
         return reportsDirectory;
     }
 
     public void setReportsDirectory( File reportsDirectory )
     {
         this.reportsDirectory = reportsDirectory;
     }
 
     public String getTest()
     {
         return test;
     }
 
     public void setTest( String test )
     {
         this.test = test;
     }
 
     public File getSummaryFile()
     {
         return summaryFile;
     }
 
     public void setSummaryFile( File summaryFile )
     {
         this.summaryFile = summaryFile;
     }
 
     public boolean isPrintSummary()
     {
         return printSummary;
     }
 
     public void setPrintSummary( boolean printSummary )
     {
         this.printSummary = printSummary;
     }
 
     public String getReportFormat()
     {
         return reportFormat;
     }
 
     public void setReportFormat( String reportFormat )
     {
         this.reportFormat = reportFormat;
     }
 
     public boolean isUseFile()
     {
         return useFile;
     }
 
     public void setUseFile( boolean useFile )
     {
         this.useFile = useFile;
     }
 
     public String getDebugForkedProcess()
     {
         return debugForkedProcess;
     }
 
     public void setDebugForkedProcess( String debugForkedProcess )
     {
         this.debugForkedProcess = debugForkedProcess;
     }
 
     public int getForkedProcessTimeoutInSeconds()
     {
         return forkedProcessTimeoutInSeconds;
     }
 
     public void setForkedProcessTimeoutInSeconds( int forkedProcessTimeoutInSeconds )
     {
         this.forkedProcessTimeoutInSeconds = forkedProcessTimeoutInSeconds;
     }
 
     public int getForkedProcessExitTimeoutInSeconds()
     {
         return forkedProcessExitTimeoutInSeconds;
     }
 
     public void setForkedProcessExitTimeoutInSeconds( int forkedProcessExitTimeoutInSeconds )
     {
         this.forkedProcessExitTimeoutInSeconds = forkedProcessExitTimeoutInSeconds;
     }
 
     public double getParallelTestsTimeoutInSeconds()
     {
         return parallelTestsTimeoutInSeconds;
     }
 
     public void setParallelTestsTimeoutInSeconds( double parallelTestsTimeoutInSeconds )
     {
         this.parallelTestsTimeoutInSeconds = parallelTestsTimeoutInSeconds;
     }
 
     public double getParallelTestsTimeoutForcedInSeconds()
     {
         return parallelTestsTimeoutForcedInSeconds;
     }
 
     public void setParallelTestsTimeoutForcedInSeconds( double parallelTestsTimeoutForcedInSeconds )
     {
         this.parallelTestsTimeoutForcedInSeconds = parallelTestsTimeoutForcedInSeconds;
     }
 
     public boolean isUseSystemClassLoader()
     {
         return useSystemClassLoader;
     }
 
     public void setUseSystemClassLoader( boolean useSystemClassLoader )
     {
         this.useSystemClassLoader = useSystemClassLoader;
     }
 
     public boolean isUseManifestOnlyJar()
     {
         return useManifestOnlyJar;
     }
 
     public void setUseManifestOnlyJar( boolean useManifestOnlyJar )
     {
         this.useManifestOnlyJar = useManifestOnlyJar;
     }
 
     // the following will be refactored out once the common code is all in one place
 
     public boolean isTestFailureIgnore()
     {
         return true; // ignore
     }
 
     public void setTestFailureIgnore( boolean testFailureIgnore )
     {
         // ignore
     }
 
     protected void addPluginSpecificChecksumItems( ChecksumCalculator checksum )
     {
         checksum.add( skipITs );
         checksum.add( summaryFile );
     }
 
     public Boolean getFailIfNoSpecifiedTests()
     {
         return failIfNoSpecifiedTests;
     }
 
     public void setFailIfNoSpecifiedTests( boolean failIfNoSpecifiedTests )
     {
         this.failIfNoSpecifiedTests = failIfNoSpecifiedTests;
     }
 
     public int getSkipAfterFailureCount()
     {
         return skipAfterFailureCount;
     }
 
     public String getShutdown()
     {
         return shutdown;
     }
 
     @Override
     public List<String> getIncludes()
     {
         return includes;
     }
 
     @Override
     public void setIncludes( List<String> includes )
     {
         this.includes = includes;
     }
 
     public File[] getSuiteXmlFiles()
     {
         return suiteXmlFiles.clone();
     }
 
     @SuppressWarnings( "UnusedDeclaration" )
     public void setSuiteXmlFiles( File[] suiteXmlFiles )
     {
         this.suiteXmlFiles = suiteXmlFiles.clone();
     }
 
     public String getRunOrder()
     {
         return runOrder;
     }
 
     @SuppressWarnings( "UnusedDeclaration" )
     public void setRunOrder( String runOrder )
     {
         this.runOrder = runOrder;
     }
 
     @Override
     public File getIncludesFile()
     {
         return includesFile;
     }
 
     @Override
     public File getExcludesFile()
     {
         return excludesFile;
     }
 
     @Override
     protected final List<File> suiteXmlFiles()
     {
         return hasSuiteXmlFiles() ? Arrays.asList( suiteXmlFiles ) : Collections.<File>emptyList();
     }
 
     @Override
     protected final boolean hasSuiteXmlFiles()
     {
         return suiteXmlFiles != null && suiteXmlFiles.length != 0;
     }
 
     static Charset toCharset( String encoding )
     {
         return Charset.forName( Charset.isSupported( encoding ) ? encoding : encoding.toUpperCase( Locale.ROOT ) );
     }
 }