package org.apache.maven.plugin.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 org.apache.maven.surefire.report.ReportEntry;
  import org.apache.maven.surefire.report.ReporterException;
  
  import java.io.BufferedWriter;
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.OutputStreamWriter;
  import java.io.PrintWriter;
  import java.io.Writer;
  import java.nio.charset.Charset;
  import java.util.List;
  
  import static org.apache.maven.plugin.surefire.report.FileReporterUtils.stripIllegalFilenameChars;
  import static org.apache.maven.surefire.util.internal.StringUtils.isNotBlank;
  
  /**
   * Base class for file reporters.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   * @author Kristian Rosenvold
   */
  public class FileReporter
  {
      private final File reportsDirectory;
      private final String reportNameSuffix;
      private final Charset encoding;
  
      public FileReporter( File reportsDirectory, String reportNameSuffix, Charset encoding )
      {
          this.reportsDirectory = reportsDirectory;
          this.reportNameSuffix = reportNameSuffix;
          this.encoding = encoding;
      }
  
      private PrintWriter testSetStarting( ReportEntry report )
      {
          File reportFile = getReportFile( reportsDirectory, report.getName(), reportNameSuffix, ".txt" );
  
          File reportDir = reportFile.getParentFile();
  
          // noinspection ResultOfMethodCallIgnored
          reportDir.mkdirs();
  
          try
          {
              Writer encodedStream = new OutputStreamWriter( new FileOutputStream( reportFile ), encoding );
  
              PrintWriter writer = new PrintWriter( new BufferedWriter( encodedStream, 16 * 1024 ) );
  
              writer.println( "-------------------------------------------------------------------------------" );
  
              writer.println( "Test set: " + report.getName() );
  
              writer.println( "-------------------------------------------------------------------------------" );
  
              return writer;
          }
          catch ( IOException e )
          {
              throw new ReporterException( "Unable to create file for report: " + e.getMessage(), e );
          }
      }
  
      static File getReportFile( File reportsDirectory, String reportEntryName, String reportNameSuffix,
                                        String fileExtension )
      {
          String fileName =
                  reportEntryName + ( isNotBlank( reportNameSuffix ) ? "-" + reportNameSuffix : "" ) + fileExtension;
          return new File( reportsDirectory, stripIllegalFilenameChars( fileName ) );
      }
  
      public void testSetCompleted( WrappedReportEntry report, TestSetStats testSetStats, List<String> testResults )
      {
          try ( PrintWriter writer = testSetStarting( report ) )
          {
              writer.println( testSetStats.getTestSetSummary( report ) );
              for ( String testResult : testResults )
             {
                 writer.println( testResult );
             }
         }
     }
 }