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

Source Code of org.pentaho.reporting.engine.classic.core.modules.output.table.xml.XmlTableOutputProcessor

/*
* 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 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.core.modules.output.table.xml;

import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.pentaho.reporting.engine.classic.core.InvalidReportStateException;
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.xml.internal.XmlDocumentWriter;
import org.pentaho.reporting.engine.classic.core.modules.output.table.xml.internal.XmlTableOutputProcessorMetaData;

public class XmlTableOutputProcessor extends AbstractTableOutputProcessor implements PageableOutputProcessor
{
  private List<PhysicalPageKey> physicalPages;
  private FlowSelector flowSelector;
  private OutputProcessorMetaData metaData;
  private OutputStream outputStream;
  private XmlDocumentWriter writer;

  public XmlTableOutputProcessor(final OutputStream outputStream)
  {
    this(outputStream, new XmlTableOutputProcessorMetaData());
  }

  public XmlTableOutputProcessor(final OutputStream outputStream,
                                 final OutputProcessorMetaData metaData)
  {
    if (metaData == null)
    {
      throw new NullPointerException("MetaData must not be null");
    }
    if (outputStream == null)
    {
      throw new NullPointerException("OutputStream must not be null");
    }

    this.outputStream = outputStream;
    this.metaData = metaData;
    this.physicalPages = new ArrayList<PhysicalPageKey>();

    this.flowSelector = new DisplayAllFlowSelector();
  }

  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 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;
  }

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

    if (writer != null)
    {
      try
      {
        this.metaData.commit();
        writer.close();
      }
      catch (IOException e)
      {
        throw new InvalidReportStateException("Failed to close writer");
      }
    }
  }

  protected void processTableContent(final LogicalPageKey logicalPageKey,
                                     final LogicalPageBox logicalPage,
                                     final TableContentProducer contentProducer) throws ContentProcessingException
  {
    try
    {
      if (writer == null)
      {
        writer = new XmlDocumentWriter(outputStream, metaData);
        writer.open();
      }
      writer.processTableContent(logicalPage, metaData, contentProducer, false);
    }
    catch (Exception e)
    {
      throw new ContentProcessingException("Failed to generate PDF document", e);
    }
  }

  protected void updateTableContent(final LogicalPageKey logicalPageKey,
                                    final LogicalPageBox logicalPage,
                                    final TableContentProducer contentProducer,
                                    final boolean performOutput) throws ContentProcessingException
  {
    try
    {
      if (writer == null)
      {
        writer = new XmlDocumentWriter(outputStream, metaData);
        writer.open();
      }
      writer.processTableContent(logicalPage, metaData, contentProducer, true);
    }
    catch (Exception e)
    {
      throw new ContentProcessingException("Failed to generate PDF document", e);
    }
  }

  protected FlowSelector getFlowSelector()
  {
    return flowSelector;
  }

  public OutputProcessorMetaData getMetaData()
  {
    return metaData;
  }
}
TOP

Related Classes of org.pentaho.reporting.engine.classic.core.modules.output.table.xml.XmlTableOutputProcessor

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.