/*
* 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 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.gui.html;
import java.io.File;
import java.io.IOException;
import java.util.Locale;
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.modules.gui.common.StatusListener;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.ReportProgressDialog;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.StatusType;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.SwingGuiContext;
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;
/**
* 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;
/**
* 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 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
{
final FileRepository targetRepository = new FileRepository(targetDirectory);
final ContentLocation targetRoot = targetRepository.getRoot();
// final DummyRepository dataRepository = new DummyRepository();
// final ContentLocation dataRoot = dataRepository.getRoot();
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);
final StreamReportProcessor sp = new StreamReportProcessor(report, outputProcessor);
if (progressDialog != null)
{
progressDialog.setModal(false);
progressDialog.setVisible(true);
sp.addReportProgressListener(progressDialog);
}
sp.processReport();
if (progressDialog != null)
{
sp.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); //$NON-NLS-1$
if (statusListener != null)
{
statusListener.setStatus
(StatusType.ERROR, messages.getString("HtmlStreamExportTask.USER_TASK_ERROR"), re); //$NON-NLS-1$);
}
}
if (progressDialog != null)
{
progressDialog.setVisible(false);
}
}
}