Package org.pentaho.reporting.engine.classic.core.modules.output.table.csv

Source Code of org.pentaho.reporting.engine.classic.core.modules.output.table.csv.PageableCSVOutputProcessor

/*
* 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.output.table.csv;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.pentaho.reporting.engine.classic.core.layout.model.LogicalPageBox;
import org.pentaho.reporting.engine.classic.core.layout.output.ContentProcessingException;
import org.pentaho.reporting.engine.classic.core.layout.output.DisplayAllFlowSelector;
import org.pentaho.reporting.engine.classic.core.layout.output.FlowSelector;
import org.pentaho.reporting.engine.classic.core.layout.output.LogicalPageKey;
import org.pentaho.reporting.engine.classic.core.layout.output.OutputProcessorMetaData;
import org.pentaho.reporting.engine.classic.core.layout.output.PhysicalPageKey;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.base.PageableOutputProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.table.base.AbstractTableOutputProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.table.base.TableContentProducer;
import org.pentaho.reporting.engine.classic.core.modules.output.table.csv.helper.CSVOutputProcessorMetaData;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.repository.ContentLocation;
import org.pentaho.reporting.libraries.repository.NameGenerator;

/**
* Creation-Date: 09.05.2007, 14:36:28
*
* @author Thomas Morgner
*/
public class PageableCSVOutputProcessor extends AbstractTableOutputProcessor
    implements PageableOutputProcessor
{
  private List physicalPages;
  private OutputProcessorMetaData metaData;
  private CSVPrinter printer;
  private FlowSelector flowSelector;

  public PageableCSVOutputProcessor(final Configuration configuration)
  {
    if (configuration == null)
    {
      throw new NullPointerException();
    }

    this.physicalPages = new ArrayList();
    this.metaData = new CSVOutputProcessorMetaData(configuration, CSVOutputProcessorMetaData.PAGINATION_FULL);
    this.flowSelector = new DisplayAllFlowSelector();

    this.printer = new CSVPrinter(configuration);
  }

  public String getEncoding()
  {
    return printer.getEncoding();
  }

  public void setEncoding(final String encoding)
  {
    if (encoding == null)
    {
      throw new NullPointerException();
    }

    printer.setEncoding(encoding);
  }

  protected void processingPagesFinished()
  {
    super.processingPagesFinished();
    physicalPages = Collections.unmodifiableList(physicalPages);
  }

  public int getPhysicalPageCount()
  {
    return physicalPages.size();
  }

  public PhysicalPageKey getPhysicalPage(final int page)
  {
    if (isPaginationFinished() == false)
    {
      throw new IllegalStateException();
    }

    return (PhysicalPageKey) physicalPages.get(page);
  }

  protected LogicalPageKey createLogicalPage(final int width,
                                             final int height)
  {
    final LogicalPageKey key = super.createLogicalPage(width, height);
    for (int h = 0; h < key.getHeight(); h++)
    {
      for (int w = 0; w < key.getWidth(); w++)
      {
        physicalPages.add(key.getPage(w, h));
      }
    }
    return key;
  }

  public OutputProcessorMetaData getMetaData()
  {
    return metaData;
  }

  public FlowSelector getFlowSelector()
  {
    return flowSelector;
  }

  public void setFlowSelector(final FlowSelector flowSelector)
  {
    this.flowSelector = flowSelector;
  }

  protected void processTableContent(final LogicalPageKey logicalPageKey,
                                     final LogicalPageBox logicalPage,
                                     final TableContentProducer contentProducer)
      throws ContentProcessingException
  {
    printer.print(logicalPage, contentProducer, metaData, false);
  }

  protected void processingContentFinished()
  {
    if (isContentGeneratable() == false)
    {
      return;
    }

    metaData.commit();
    printer.close();
  }

  public ContentLocation getContentLocation()
  {
    return printer.getContentLocation();
  }

  public void setContentLocation(final ContentLocation contentLocation)
  {
    printer.setContentLocation(contentLocation);
  }

  public NameGenerator getContentNameGenerator()
  {
    return printer.getContentNameGenerator();
  }

  public void setContentNameGenerator(final NameGenerator contentNameGenerator)
  {
    printer.setContentNameGenerator(contentNameGenerator);
  }

}
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