/*!
 * 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) 2002-2016 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.platform.plugin.output;

import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.base.PageableReportProcessor;
import org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.PdfOutputProcessor;
import org.pentaho.reporting.libraries.repository.ContentIOException;
import org.pentaho.reporting.platform.plugin.async.IAsyncReportListener;
import org.pentaho.reporting.platform.plugin.async.ReportListenerThreadHolder;

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

public class PDFOutput implements ReportOutputHandler {
  public PDFOutput() {
  }

  public Object getReportLock() {
    return this;
  }

  private PageableReportProcessor createProcessor( final MasterReport report, final int yieldRate,
                                                   final OutputStream outputStream ) throws ReportProcessingException {
    final PdfOutputProcessor outputProcessor = new PdfOutputProcessor( report.getConfiguration(), outputStream );
    final PageableReportProcessor proc = new PageableReportProcessor( report, outputProcessor );
    if ( yieldRate > 0 ) {
      proc.addReportProgressListener( getYieldListener( yieldRate ) );
    }
    return proc;
  }

  public int paginate( MasterReport report, int yieldRate ) throws ReportProcessingException, IOException,
    ContentIOException {
    return 0;
  }

  public int generate( final MasterReport report, final int acceptedPage, final OutputStream outputStream,
                       final int yieldRate ) throws ReportProcessingException, IOException {
    final PageableReportProcessor proc = createProcessor( report, yieldRate, outputStream );
    final IAsyncReportListener listener = ReportListenerThreadHolder.getListener();
    doProcess( listener, proc );
    return 0;
  }

  public boolean supportsPagination() {
    return false;
  }

  public void close() {
  }
}