JFreeReportZipHtmlComponent.java

/*
 * 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 2006 - 2009 Pentaho Corporation.  All rights reserved.
 *
*/
package org.pentaho.platform.plugin.action.jfreereport.outputs;

import java.io.IOException;
import java.io.OutputStream;

import org.pentaho.platform.plugin.action.jfreereport.AbstractJFreeReportComponent;
import org.pentaho.platform.plugin.action.messages.Messages;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
import org.pentaho.reporting.engine.classic.core.layout.output.YieldReportListener;
import org.pentaho.reporting.engine.classic.core.modules.output.table.base.FlowReportProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.table.html.AllItemsHtmlPrinter;
import org.pentaho.reporting.engine.classic.core.modules.output.table.html.FlowHtmlOutputProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.table.html.HtmlPrinter;
import org.pentaho.reporting.engine.classic.core.modules.output.table.html.SingleRepositoryURLRewriter;
import org.pentaho.reporting.libraries.repository.ContentIOException;
import org.pentaho.reporting.libraries.repository.ContentLocation;
import org.pentaho.reporting.libraries.repository.DefaultNameGenerator;
import org.pentaho.reporting.libraries.repository.RepositoryUtilities;
import org.pentaho.reporting.libraries.repository.zip.ZipRepository;

/**
 * Creation-Date: 07.07.2006, 20:42:17
 * 
 * @author Thomas Morgner
 */
public class JFreeReportZipHtmlComponent extends AbstractGenerateStreamContentComponent {
  private static final long serialVersionUID = -3904516365257691828L;

  public JFreeReportZipHtmlComponent() {
  }

  @Override
  protected String getMimeType() {
    return "application/zip"; //$NON-NLS-1$
  }

  @Override
  protected String getExtension() {
    return ".zip"; //$NON-NLS-1$
  }

  @Override
  protected boolean performExport(final MasterReport report, final OutputStream outputStream) {
    try {
      String dataDirectory = getInputStringValue(AbstractJFreeReportComponent.REPORTDIRECTORYHTML_DATADIR);
      if (dataDirectory == null) {
        dataDirectory = "data"; //$NON-NLS-1$
      }

      final ZipRepository zipRepository = new ZipRepository();
      final ContentLocation root = zipRepository.getRoot();
      final ContentLocation data = RepositoryUtilities.createLocation(zipRepository, RepositoryUtilities.split(
          dataDirectory, "/"));//$NON-NLS-1$

      final FlowHtmlOutputProcessor outputProcessor = new FlowHtmlOutputProcessor(report.getConfiguration());

      final HtmlPrinter printer = new AllItemsHtmlPrinter(report.getResourceManager());
      printer.setContentWriter(root, new DefaultNameGenerator(root, "report.html"));//$NON-NLS-1$
      printer.setDataWriter(data, new DefaultNameGenerator(data, "content"));//$NON-NLS-1$
      printer.setUrlRewriter(new SingleRepositoryURLRewriter());
      outputProcessor.setPrinter(printer);

      final FlowReportProcessor sp = new FlowReportProcessor(report, outputProcessor);
      final int yieldRate = getYieldRate();
      if (yieldRate > 0) {
        sp.addReportProgressListener(new YieldReportListener(yieldRate));
      }
      sp.processReport();
      zipRepository.write(outputStream);
      close();
      return true;
    } catch (ReportProcessingException e) {
      error(Messages.getInstance().getString("JFreeReportZipHtmlComponent.ERROR_0046_FAILED_TO_PROCESS_REPORT"), e); //$NON-NLS-1$
      return false;
    } catch (IOException e) {
      error(Messages.getInstance().getString("JFreeReportZipHtmlComponent.ERROR_0046_FAILED_TO_PROCESS_REPORT"), e); //$NON-NLS-1$
      return false;
    } catch (ContentIOException e) {
      error(Messages.getInstance().getString("JFreeReportZipHtmlComponent.ERROR_0046_FAILED_TO_PROCESS_REPORT"), e); //$NON-NLS-1$
      return false;
    }
  }
}