Package org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext

Source Code of org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext.PageableTextOutputProcessor

/*
* 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.pageable.plaintext;

import org.pentaho.reporting.engine.classic.core.layout.model.LogicalPageBox;
import org.pentaho.reporting.engine.classic.core.layout.model.PageGrid;
import org.pentaho.reporting.engine.classic.core.layout.output.ContentProcessingException;
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.AbstractPageableOutputProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.base.AllPageFlowSelector;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.base.PageFlowSelector;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext.driver.PrinterDriver;
import org.pentaho.reporting.libraries.base.config.Configuration;
import org.pentaho.reporting.libraries.fonts.encoding.EncodingRegistry;

/**
* Creation-Date: 13.05.2007, 13:06:24
*
* @author Thomas Morgner
*/
public class PageableTextOutputProcessor extends AbstractPageableOutputProcessor
{
  private TextDocumentWriter writer;
  private OutputProcessorMetaData metaData;
  private PrinterDriver driver;
  private PageFlowSelector flowSelector;
  private String encoding;

  public PageableTextOutputProcessor(final PrinterDriver driver,
                                     final Configuration configuration)
  {
    if (driver == null)
    {
      throw new NullPointerException();
    }
    if (configuration == null)
    {
      throw new NullPointerException();
    }
    this.driver = driver;
    this.metaData = new TextOutputProcessorMetaData
        (configuration, driver.getLinesPerInch(), driver.getCharactersPerInch());
    this.flowSelector = new AllPageFlowSelector();
  }

  public String getEncoding()
  {
    return encoding;
  }

  public void setEncoding(final String encoding)
  {
    this.encoding = encoding;
  }

  public OutputProcessorMetaData getMetaData()
  {
    return metaData;
  }

  public PageFlowSelector getFlowSelector()
  {
    return flowSelector;
  }

  public void setFlowSelector(final PageFlowSelector flowSelector)
  {
    if (flowSelector == null)
    {
      throw new NullPointerException();
    }

    this.flowSelector = flowSelector;
  }

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

    if (writer != null)
    {
      metaData.commit();
      writer.close();
    }
  }

  protected void processPhysicalPage(final PageGrid pageGrid,
                                     final LogicalPageBox logicalPage,
                                     final int row,
                                     final int col,
                                     final PhysicalPageKey pageKey)
      throws ContentProcessingException
  {
    try
    {
      if (writer == null)
      {
        if (encoding == null)
        {
          final String encoding = metaData.getConfiguration().getConfigProperty
              ("org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext.Encoding",
                  EncodingRegistry.getPlatformDefaultEncoding());

          writer = new TextDocumentWriter(metaData, driver, encoding);
        }
        else
        {
          writer = new TextDocumentWriter(metaData, driver, this.encoding);
        }

        writer.open();

        final byte[] sequence = PlainTextReportUtil.getInitSequence(metaData.getConfiguration());
        if (sequence != null)
        {
          driver.printRaw(sequence);
        }

      }
      writer.processPhysicalPage(pageGrid, logicalPage, row, col, pageKey);
    }
    catch (Exception e)
    {
      throw new ContentProcessingException("Failed to generate the PlainText document", e);
    }
  }

  protected void processLogicalPage(final LogicalPageKey key,
                                    final LogicalPageBox logicalPage)
      throws ContentProcessingException
  {
    try
    {
      if (writer == null)
      {
        if (encoding == null)
        {
          final String encoding = metaData.getConfiguration().getConfigProperty
              ("org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext.Encoding",
                  EncodingRegistry.getPlatformDefaultEncoding());

          writer = new TextDocumentWriter(metaData, driver, encoding);
        }
        else
        {
          writer = new TextDocumentWriter(metaData, driver, this.encoding);
        }
        writer.open();
      }
      writer.processLogicalPage(key, logicalPage);
    }
    catch (Exception e)
    {
      throw new ContentProcessingException("Failed to generate the PlainText document", e);
    }
  }
}
TOP

Related Classes of org.pentaho.reporting.engine.classic.core.modules.output.pageable.plaintext.PageableTextOutputProcessor

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.