Package org.pentaho.reporting.engine.classic.core.util

Source Code of org.pentaho.reporting.engine.classic.core.util.LegacyUpdateStructureVisitor

/*!
* 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) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.core.util;

import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.LegacyUpdateHandler;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.ReportDefinition;
import org.pentaho.reporting.engine.classic.core.ReportElement;
import org.pentaho.reporting.engine.classic.core.SubReport;
import org.pentaho.reporting.engine.classic.core.function.Expression;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionMetaData;
import org.pentaho.reporting.engine.classic.core.style.StyleKey;

public class LegacyUpdateStructureVisitor extends AbstractStructureVisitor
{
  private int version;

  public LegacyUpdateStructureVisitor()
  {
  }

  public void performUpdate(final MasterReport report)
  {
    version = report.getCompatibilityLevel();
    if (version == -1)
    {
      return;
    }
    super.inspect(report);
  }

  public void performUpdate(final SubReport report)
  {
    final ReportDefinition reportDefinition = report.getMasterReport();
    if (reportDefinition == null)
    {
      return;
    }

    final MasterReport masterReport = (MasterReport) reportDefinition;
    version = masterReport.getCompatibilityLevel();
    if (version == -1)
    {
      return;
    }
    super.inspect(report);
  }

  protected void inspectAttributeExpression(final ReportElement element,
                                            final String attributeNamespace,
                                            final String attributeName,
                                            final Expression expression,
                                            final ExpressionMetaData expressionMetaData)
  {
    if (expression instanceof LegacyUpdateHandler)
    {
      final LegacyUpdateHandler handler = (LegacyUpdateHandler) expression;
      handler.reconfigureForCompatibility(version);
    }
  }

  protected void inspectStyleExpression(final ReportElement element,
                                        final StyleKey styleKey,
                                        final Expression expression,
                                        final ExpressionMetaData expressionMetaData)
  {
    if (expression instanceof LegacyUpdateHandler)
    {
      final LegacyUpdateHandler handler = (LegacyUpdateHandler) expression;
      handler.reconfigureForCompatibility(version);
    }
  }

  protected void inspectExpression(final AbstractReportDefinition report, final Expression expression)
  {
    if (expression instanceof LegacyUpdateHandler)
    {
      final LegacyUpdateHandler handler = (LegacyUpdateHandler) expression;
      handler.reconfigureForCompatibility(version);
    }
  }
}
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