gt:       if ( statusListener != null ) {
context: /*
   * This program is free software; you can redistribute it and/or modify it under the
   * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
   * Foundation.
   *
   * You should have received a copy of the GNU Lesser General Public License along with this
   * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
   * or from the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   * See the GNU Lesser General Public License for more details.
   *
   * Copyright (c) 2001 - 2017 Object Refinery Ltd, Hitachi Vantara and Contributors..  All rights reserved.
   */
  
  package org.pentaho.reporting.engine.classic.core.modules.gui.html;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.pentaho.reporting.engine.classic.core.MasterReport;
  import org.pentaho.reporting.engine.classic.core.ReportInterruptedException;
  import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
  import org.pentaho.reporting.engine.classic.core.layout.output.ReportProcessor;
  import org.pentaho.reporting.engine.classic.core.modules.gui.common.StatusListener;
  import org.pentaho.reporting.engine.classic.core.modules.gui.common.StatusType;
  import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.ReportProgressDialog;
  import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.SwingGuiContext;
  import org.pentaho.reporting.engine.classic.core.modules.output.fast.html.FastHtmlContentItems;
  import org.pentaho.reporting.engine.classic.core.modules.output.fast.html.FastHtmlExportProcessor;
  import org.pentaho.reporting.engine.classic.core.modules.output.fast.validator.ReportStructureValidator;
  import org.pentaho.reporting.engine.classic.core.modules.output.table.base.StreamReportProcessor;
  import org.pentaho.reporting.engine.classic.core.modules.output.table.html.AllItemsHtmlPrinter;
  import org.pentaho.reporting.engine.classic.core.modules.output.table.html.FileSystemURLRewriter;
  import org.pentaho.reporting.engine.classic.core.modules.output.table.html.HtmlOutputProcessor;
  import org.pentaho.reporting.engine.classic.core.modules.output.table.html.HtmlPrinter;
  import org.pentaho.reporting.engine.classic.core.modules.output.table.html.StreamHtmlOutputProcessor;
  import org.pentaho.reporting.libraries.base.config.Configuration;
  import org.pentaho.reporting.libraries.base.util.IOUtils;
  import org.pentaho.reporting.libraries.base.util.Messages;
  import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
  import org.pentaho.reporting.libraries.repository.ContentLocation;
  import org.pentaho.reporting.libraries.repository.DefaultNameGenerator;
  import org.pentaho.reporting.libraries.repository.file.FileRepository;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Locale;
  
  /**
   * An export task implementation that exports the report into a single HTML file.
   *
   * @author Thomas Morgner
   */
  public class HtmlStreamExportTask implements Runnable {
    private static final Log logger = LogFactory.getLog( HtmlStreamExportTask.class );
    /**
     * Provides access to externalized strings
     */
    private Messages messages;
  
    /**
     * The progress dialog that monitors the export process.
     */
    private final ReportProgressDialog progressDialog;
  
    /**
     * The report that should be exported.
     */
    private final MasterReport report;
    private StatusListener statusListener;
    private File targetDirectory;
    private String suffix;
    private String filename;
    private boolean createParentFolder;
    /**
     * Creates a new html export task.
     *
     * @param dialog
     *          the progress monitor component.
     * @param report
     *          the report that should be exported.
     */
    public HtmlStreamExportTask( final MasterReport report, final ReportProgressDialog dialog,
        final SwingGuiContext swingGuiContext ) throws ReportProcessingException {
      if ( report == null ) {
        throw new ReportProcessingException( "HtmlStreamExportTask(..): Report-Parameter cannot be null" ); //$NON-NLS-1$
      }
      try {
        this.progressDialog = dialog;
        this.report = report;
        if ( swingGuiContext != null ) {
          this.statusListener = swingGuiContext.getStatusListener();
          this.messages =
              new Messages( swingGuiContext.getLocale(), HtmlExportGUIModule.BASE_RESOURCE_CLASS, ObjectUtilities
                  .getClassLoader( HtmlExportGUIModule.class ) );
        } else {
          this.messages =
              new Messages( Locale.getDefault(), HtmlExportGUIModule.BASE_RESOURCE_CLASS, ObjectUtilities
                  .getClassLoader( HtmlExportGUIModule.class ) );
        }
  
        final Configuration config = report.getConfiguration();
        final String targetFileName =
            config.getConfigProperty( "org.pentaho.reporting.engine.classic.core.modules.gui.html.stream.TargetFileName" ); //$NON-NLS-1$
        if ( targetFileName == null ) {
          throw new ReportProcessingException( messages.getErrorString( "HtmlStreamExportTask.ERROR_0002_TARGET_NOT_SET" ) ); //$NON-NLS-1$
        }
        final String createParentFolder =
          config.getConfigProperty( "org.pentaho.reporting.engine.classic.core.modules.gui.html.stream.CreateParentFolder" ); //$NON-NLS-1$
        if ( createParentFolder == null ) {
          this.createParentFolder = false;
        } else {
          this.createParentFolder = Boolean.parseBoolean( createParentFolder );
        }
        final File targetFile = new File( targetFileName ).getCanonicalFile();
        targetDirectory = targetFile.getParentFile();
  
        suffix = getSuffix( targetFileName );
        filename = IOUtils.getInstance().stripFileExtension( targetFile.getName() );
  
        if ( targetFile.exists() ) {
          // lets try to delete it ..
          if ( targetFile.delete() == false ) {
            throw new ReportProcessingException( messages.getErrorString(
                "HtmlStreamExportTask.ERROR_0003_TARGET_FILE_EXISTS", targetFile.getAbsolutePath() ) ); //$NON-NLS-1$
          }
        }
      } catch ( IOException ioe ) {
        throw new ReportProcessingException( "Failed to normalize directories.", ioe );
      }
    }
  
    private String getSuffix( final String filename ) {
      final String suffix = IOUtils.getInstance().getFileExtension( filename );
      if ( suffix.length() == 0 ) {
        return ""; //$NON-NLS-1$
      }
      return suffix.substring( 1 );
    }
  
    /**
     * Exports the report into a Html Directory Structure.
     */
    public void run() {
      try {
        if ( createParentFolder ) {
          final File directory = targetDirectory.getCanonicalFile();
          if ( directory != null ) {
            if ( directory.exists() == false ) {
              if ( directory.mkdirs() == false ) {
                HtmlStreamExportTask.logger.warn( "Can't create directories." ); //$NON-NLS-1$
              }
            }
          }
        }
        final FileRepository targetRepository = new FileRepository( targetDirectory );
        final ContentLocation targetRoot = targetRepository.getRoot();
  
        // final DummyRepository dataRepository = new DummyRepository();
        // final ContentLocation dataRoot = dataRepository.getRoot();
        ReportProcessor reportProcessor;
        ReportStructureValidator validator = new ReportStructureValidator();
        if ( validator.isValidForFastProcessing( report ) == false ) {
          final HtmlOutputProcessor outputProcessor = new StreamHtmlOutputProcessor( report.getConfiguration() );
          final HtmlPrinter printer = new AllItemsHtmlPrinter( report.getResourceManager() );
          printer.setContentWriter( targetRoot, new DefaultNameGenerator( targetRoot, filename, suffix ) );
          printer.setDataWriter( null, null ); //$NON-NLS-1$
          printer.setUrlRewriter( new FileSystemURLRewriter() );
          outputProcessor.setPrinter( printer );
          reportProcessor = new StreamReportProcessor( report, outputProcessor );
        } else {
          FastHtmlContentItems printer = new FastHtmlContentItems();
          printer.setContentWriter( targetRoot, new DefaultNameGenerator( targetRoot, filename, suffix ) );
          printer.setDataWriter( null, null ); //$NON-NLS-1$
          printer.setUrlRewriter( new FileSystemURLRewriter() );
          reportProcessor = new FastHtmlExportProcessor( report, printer );
        }
  
        if ( progressDialog != null ) {
          progressDialog.setModal( false );
          progressDialog.setVisible( true );
          reportProcessor.addReportProgressListener( progressDialog );
        }
        reportProcessor.processReport();
  
        if ( progressDialog != null ) {
          reportProcessor.removeReportProgressListener( progressDialog );
        }
  
        if ( statusListener != null ) {
          statusListener.setStatus( StatusType.INFORMATION, messages
              .getString( "HtmlStreamExportTask.USER_TASK_FINISHED" ), null ); //$NON-NLS-1$);
        }
      } catch ( ReportInterruptedException re ) {
        if ( statusListener != null ) {
          statusListener.setStatus( StatusType.INFORMATION,
              messages.getString( "HtmlStreamExportTask.USER_TASK_ABORTED" ), null ); //$NON-NLS-1$);
        }
      } catch ( Exception re ) {
        HtmlStreamExportTask.logger.error( "Exporting failed .", re ); //$NON-NLS-1$
  