package org.apache.maven.plugins.surefire.report;
   
   /*
    * 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.io.File;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Locale;
  import java.util.ResourceBundle;
  import org.apache.maven.model.ReportPlugin;
  import org.apache.maven.plugin.surefire.log.api.ConsoleLogger;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.reporting.AbstractMavenReport;
  import org.apache.maven.reporting.MavenReportException;
  import org.apache.maven.shared.utils.PathTool;
  
  import static java.util.Collections.addAll;
  import static org.apache.maven.plugins.surefire.report.SurefireReportParser.hasReportFiles;
  import static org.apache.maven.shared.utils.StringUtils.isEmpty;
  
  /**
   * Abstract base class for reporting test results using Surefire.
   *
   * @author Stephen Connolly
   */
  public abstract class AbstractSurefireReportMojo
      extends AbstractMavenReport
  {
  
      /**
       * If set to false, only failures are shown.
       */
      @Parameter( defaultValue = "true", required = true, property = "showSuccess" )
      private boolean showSuccess;
  
      /**
       * Directories containing the XML Report files that will be parsed and rendered to HTML format.
       */
      @Parameter
      private File[] reportsDirectories;
  
      /**
       * (Deprecated, use reportsDirectories) This directory contains the XML Report files that will be parsed and
       * rendered to HTML format.
       */
      @Deprecated
      @Parameter
      private File reportsDirectory;
  
      /**
       * The projects in the reactor for aggregation report.
       */
      @Parameter( defaultValue = "${reactorProjects}", readonly = true )
      private List<MavenProject> reactorProjects;
  
      /**
       * Location of the Xrefs to link.
       */
      @Parameter( defaultValue = "${project.reporting.outputDirectory}/xref-test" )
      private File xrefLocation;
  
      /**
       * Whether to link the XRef if found.
       */
      @Parameter( defaultValue = "true", property = "linkXRef" )
      private boolean linkXRef;
  
      /**
       * Whether to build an aggregated report at the root, or build individual reports.
       */
      @Parameter( defaultValue = "false", property = "aggregate" )
      private boolean aggregate;
  
      private List<File> resolvedReportsDirectories;
  
      /**
       * Whether the report should be generated or not.
       *
       * @return {@code true} if and only if the report should be generated.
       * @since 2.11
      */
     protected boolean isSkipped()
     {
         return false;
     }
 
     /**
      * Whether the report should be generated when there are no test results.
      *
      * @return {@code true} if and only if the report should be generated when there are no result files at all.
      * @since 2.11
      */
     protected boolean isGeneratedWhenNoResults()
     {
         return false;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void executeReport( Locale locale )
         throws MavenReportException
     {
         if ( !hasReportDirectories() )
         {
             return;
         }
 
         new SurefireReportGenerator( getReportsDirectories(), locale, showSuccess, determineXrefLocation(),
                                            getConsoleLogger() )
                 .doGenerateReport( getBundle( locale ), getSink() );
     }
 
     @Override
     public boolean canGenerateReport()
     {
         return hasReportDirectories() && super.canGenerateReport();
     }
 
     private boolean hasReportDirectories()
     {
         if ( isSkipped() )
         {
             return false;
         }
 
         final List<File> reportsDirectories = getReportsDirectories();
 
         if ( reportsDirectories == null )
         {
             return false;
         }
 
         if ( !isGeneratedWhenNoResults() )
         {
             boolean atLeastOneDirectoryExists = false;
             for ( Iterator<File> i = reportsDirectories.iterator(); i.hasNext() && !atLeastOneDirectoryExists; )
             {
                 atLeastOneDirectoryExists = hasReportFiles( i.next() );
             }
             if ( !atLeastOneDirectoryExists )
             {
                 return false;
             }
         }
         return true;
     }
 
     private List<File> getReportsDirectories()
     {
         if ( resolvedReportsDirectories != null )
         {
             return resolvedReportsDirectories;
         }
 
         resolvedReportsDirectories = new ArrayList<File>();
 
         if ( this.reportsDirectories != null )
         {
             addAll( resolvedReportsDirectories, this.reportsDirectories );
         }
         //noinspection deprecation
         if ( reportsDirectory != null )
         {
             //noinspection deprecation
             resolvedReportsDirectories.add( reportsDirectory );
         }
         if ( aggregate )
         {
             if ( !project.isExecutionRoot() )
             {
                 return null;
             }
             if ( this.reportsDirectories == null )
             {
                 for ( MavenProject mavenProject : getProjectsWithoutRoot() )
                 {
                     resolvedReportsDirectories.add( getSurefireReportsDirectory( mavenProject ) );
                 }
             }
             else
             {
                 // Multiple report directories are configured.
                 // Let's see if those directories exist in each sub-module to fix SUREFIRE-570
                 String parentBaseDir = getProject().getBasedir().getAbsolutePath();
                 for ( MavenProject subProject : getProjectsWithoutRoot() )
                 {
                     String moduleBaseDir = subProject.getBasedir().getAbsolutePath();
                     for ( File reportsDirectory1 : this.reportsDirectories )
                     {
                         String reportDir = reportsDirectory1.getPath();
                         if ( reportDir.startsWith( parentBaseDir ) )
                         {
                             reportDir = reportDir.substring( parentBaseDir.length() );
                         }
                         File reportsDirectory = new File( moduleBaseDir, reportDir );
                         if ( reportsDirectory.exists() && reportsDirectory.isDirectory() )
                         {
                             getConsoleLogger().debug( "Adding report dir : " + moduleBaseDir + reportDir );
                             resolvedReportsDirectories.add( reportsDirectory );
                         }
                     }
                 }
             }
         }
         else
         {
             if ( resolvedReportsDirectories.isEmpty() )
             {
 
                 resolvedReportsDirectories.add( getSurefireReportsDirectory( project ) );
             }
         }
         return resolvedReportsDirectories;
     }
 
     /**
      * Gets the default surefire reports directory for the specified project.
      *
      * @param subProject the project to query.
      * @return the default surefire reports directory for the specified project.
      */
     protected abstract File getSurefireReportsDirectory( MavenProject subProject );
 
     private List<MavenProject> getProjectsWithoutRoot()
     {
         List<MavenProject> result = new ArrayList<MavenProject>();
         for ( MavenProject subProject : reactorProjects )
         {
             if ( !project.equals( subProject ) )
             {
                 result.add( subProject );
             }
         }
         return result;
 
     }
 
     private String determineXrefLocation()
     {
         String location = null;
 
         if ( linkXRef )
         {
             String relativePath = PathTool.getRelativePath( getOutputDirectory(), xrefLocation.getAbsolutePath() );
             if ( isEmpty( relativePath ) )
             {
                 relativePath = ".";
             }
             relativePath = relativePath + "/" + xrefLocation.getName();
             if ( xrefLocation.exists() )
             {
                 // XRef was already generated by manual execution of a lifecycle binding
                 location = relativePath;
             }
             else
             {
                 // Not yet generated - check if the report is on its way
                 for ( Object o : project.getReportPlugins() )
                 {
                     ReportPlugin report = (ReportPlugin) o;
 
                     String artifactId = report.getArtifactId();
                     if ( "maven-jxr-plugin".equals( artifactId ) || "jxr-maven-plugin".equals( artifactId ) )
                     {
                         location = relativePath;
                     }
                 }
             }
 
             if ( location == null )
             {
                 getConsoleLogger().warning( "Unable to locate Test Source XRef to link to - DISABLED" );
             }
         }
         return location;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getName( Locale locale )
     {
         return getBundle( locale ).getString( "report.surefire.name" );
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getDescription( Locale locale )
     {
         return getBundle( locale ).getString( "report.surefire.description" );
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public abstract String getOutputName();
 
     private ResourceBundle getBundle( Locale locale )
     {
         return ResourceBundle.getBundle( "surefire-report", locale, getClass().getClassLoader() );
     }
 
     protected final ConsoleLogger getConsoleLogger()
     {
         return new PluginConsoleLogger( getLog() );
     }
 }