MondrianDataSource_50_CompatibilityConverter.java

/*!
* 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.extensions.datasources.mondrian.compat;

import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.designtime.DesignTimeUtil;
import org.pentaho.reporting.engine.classic.core.designtime.compat.AbstractCompatibilityConverter;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.AbstractMDXDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.CubeFileProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.MondrianUtil;
import org.pentaho.reporting.libraries.base.util.StringUtils;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;

public class MondrianDataSource_50_CompatibilityConverter extends AbstractCompatibilityConverter {
  public MondrianDataSource_50_CompatibilityConverter() {
  }

  public int getTargetVersion() {
    return ClassicEngineBoot.computeVersionId( 5, 0, 0 );
  }

  public void inspectDataSource( final AbstractReportDefinition report, final DataFactory dataFactory ) {
    if ( !( dataFactory instanceof AbstractMDXDataFactory ) ) {
      return;
    }

    final AbstractMDXDataFactory mdxDataFactory = (AbstractMDXDataFactory) dataFactory;
    final CubeFileProvider cubeFileProvider = mdxDataFactory.getCubeFileProvider();
    if ( StringUtils.isEmpty( cubeFileProvider.getCubeConnectionName() ) == false ) {
      // there is a cube-name for it already. Must be a developer sample or a new report
      return;
    }


    final ResourceManager mgr = DesignTimeUtil.getResourceManager( report );
    final ResourceKey reportContentBase = report.getContentBase();
    final String cubeName = calculateCubeNameFromProvider( mgr, reportContentBase, cubeFileProvider );

    cubeFileProvider.setCubeConnectionName( cubeName );
  }

  private String calculateCubeNameFromProvider( final ResourceManager mgr,
                                                final ResourceKey reportContentBase,
                                                final CubeFileProvider defaultCubeFileProvider ) {
    final String designTimeFile = defaultCubeFileProvider.getDesignTimeFile();
    if ( StringUtils.isEmpty( designTimeFile ) ) {
      return null;
    }
    return MondrianUtil.parseSchemaName( mgr, reportContentBase, designTimeFile );
  }
}