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

Source Code of org.pentaho.reporting.engine.classic.core.designtime.DesignTimeUtil

/*!
* 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.designtime;

import java.io.File;
import java.util.Date;

import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.CompoundDataFactory;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.ReportDefinition;
import org.pentaho.reporting.engine.classic.core.ResourceBundleFactory;
import org.pentaho.reporting.engine.classic.core.Section;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.docbundle.DocumentMetaData;
import org.pentaho.reporting.libraries.docbundle.ODFMetaAttributeNames;
import org.pentaho.reporting.libraries.docbundle.WriteableDocumentMetaData;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;

public class DesignTimeUtil
{
  private DesignTimeUtil()
  {
  }

  public static File getContextAsFile(final AbstractReportDefinition reportDefinition)
  {
    final ResourceKey key = getContextKey(reportDefinition);
    return getContextAsFile(key);
  }

  public static File getContextAsFile(ResourceKey key)
  {
    while (key != null)
    {
      final Object identifier = key.getIdentifier();
      if (identifier instanceof File)
      {
        return (File) identifier;
      }

      key = key.getParent();
    }
    return null;
  }

  public static ResourceKey getContextKey(final AbstractReportDefinition reportDefinition)
  {
    AbstractReportDefinition e = reportDefinition;
    while (e != null)
    {
      final ResourceKey base = e.getContentBase();
      if (base != null)
      {
        return base;
      }
      final Section parentSection = e.getParentSection();
      if (parentSection != null)
      {
        final ReportDefinition reportDefinition1 = parentSection.getReportDefinition();
        if (reportDefinition1 instanceof AbstractReportDefinition)
        {
          e = (AbstractReportDefinition) reportDefinition1;
        }
        else
        {
          e = null;
        }
      }
      else
      {
        e = null;
      }
    }
    return null;
  }


  public static ResourceBundleFactory getResourceBundleFactory(final AbstractReportDefinition reportDefinition)
  {
    ReportDefinition e = reportDefinition.getMasterReport();
    if (e instanceof MasterReport)
    {
      final MasterReport report = (MasterReport) e;
      final ResourceBundleFactory base = report.getResourceBundleFactory();
      if (base != null)
      {
        return base;
      }
    }
    return null;
  }

  public static ResourceManager getResourceManager(final AbstractReportDefinition reportDefinition)
  {
    ReportDefinition e = reportDefinition.getMasterReport();
    if (e instanceof MasterReport)
    {
      final MasterReport report = (MasterReport) e;
      return report.getResourceManager();
    }
    return new ResourceManager();
  }

  public static MasterReport getMasterReport(final Element element)
  {
    ReportDefinition e = element.getMasterReport();
    if (e instanceof MasterReport)
    {
      return (MasterReport) e;
    }
    return null;
  }

  public static void resetTemplate(final MasterReport report)
  {
    resetDocumentMetaData(report);
    report.setContentBase(null);
  }

  public static void resetDocumentMetaData(final MasterReport report)
  {
    final DocumentMetaData metaData = report.getBundle().getMetaData();
    if (metaData instanceof WriteableDocumentMetaData)
    {
      final WriteableDocumentMetaData wmd = (WriteableDocumentMetaData) metaData;
      wmd.setBundleAttribute(ODFMetaAttributeNames.Meta.NAMESPACE,
          ODFMetaAttributeNames.Meta.INITIAL_CREATOR, wmd.getBundleAttribute
              (ODFMetaAttributeNames.DublinCore.NAMESPACE, ODFMetaAttributeNames.DublinCore.CREATOR));
      try
      {
        wmd.setBundleAttribute(ODFMetaAttributeNames.DublinCore.NAMESPACE,
            ODFMetaAttributeNames.DublinCore.CREATOR, System.getProperty("user.name"));
      }
      catch (Exception e)
      {
        // ignore it, not that important ...
      }
      wmd.setBundleAttribute(ODFMetaAttributeNames.DublinCore.NAMESPACE,
          ODFMetaAttributeNames.DublinCore.DESCRIPTION, null);
      wmd.setBundleAttribute(ODFMetaAttributeNames.DublinCore.NAMESPACE,
          ODFMetaAttributeNames.DublinCore.SUBJECT, null);
      wmd.setBundleAttribute(ODFMetaAttributeNames.DublinCore.NAMESPACE,
          ODFMetaAttributeNames.DublinCore.TITLE, null);
      wmd.setBundleAttribute(ODFMetaAttributeNames.Meta.NAMESPACE,
          ODFMetaAttributeNames.Meta.CREATION_DATE, new Date());
      wmd.setBundleAttribute(ODFMetaAttributeNames.Meta.NAMESPACE,
          ODFMetaAttributeNames.Meta.KEYWORDS, null);
    }
  }


  public static boolean isSelectedDataSource(final AbstractReportDefinition report,
                                             final DataFactory dataFactory,
                                             final String queryName)
  {
    if (ObjectUtilities.equal(queryName, report.getQuery()) == false)
    {
      // the query/datasource combination given in the parameter cannot be a selected
      // combination if the query does not match the report's active query ..
      return false;
    }

    AbstractReportDefinition reportDefinition = report;
    while (reportDefinition != null)
    {
      final DataFactory reportDataFactory = reportDefinition.getDataFactory();
      if (reportDataFactory instanceof CompoundDataFactory)
      {
        final CompoundDataFactory compoundDataFactory = (CompoundDataFactory) reportDataFactory;
        for (int i = 0; i < compoundDataFactory.size(); i++)
        {
          final DataFactory df = compoundDataFactory.getReference(i);
          for (final String query : df.getQueryNames())
          {
            if (!query.equals(queryName))
            {
              continue;
            }

            if (df == dataFactory)
            {
              return true;
            }
            else
            {
              return false;
            }
          }
        }
      }
      else
      {
        if (reportDataFactory != null)
        {
          for (final String query : reportDataFactory.getQueryNames())
          {
            if (!query.equals(queryName))
            {
              continue;
            }

            if (reportDataFactory == dataFactory)
            {
              return true;
            }
            else
            {
              return false;
            }
          }
          return true;
        }

      }
      final Section parentSection = reportDefinition.getParentSection();
      if (parentSection == null)
      {
        reportDefinition = null;
      }
      else
      {
        reportDefinition = (AbstractReportDefinition) parentSection.getReportDefinition();
      }
    }

    return false;
  }

}
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