Package org.pentaho.reporting.ui.datasources.kettle

Source Code of org.pentaho.reporting.ui.datasources.kettle.EmbeddedTransformationDataSourcePlugin

/*!
* 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.ui.datasources.kettle;

import java.awt.Window;
import javax.swing.JDialog;
import javax.swing.JFrame;

import org.pentaho.di.core.exception.KettleException;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.designtime.DataFactoryChangeRecorder;
import org.pentaho.reporting.engine.classic.core.designtime.DesignTimeContext;
import org.pentaho.reporting.engine.classic.core.metadata.DataFactoryMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.DataFactoryRegistry;
import org.pentaho.reporting.engine.classic.extensions.datasources.kettle.EmbeddedKettleDataFactoryEditor;
import org.pentaho.reporting.engine.classic.extensions.datasources.kettle.KettleDataFactory;

public class EmbeddedTransformationDataSourcePlugin extends KettleDataSourcePlugin
    implements EmbeddedKettleDataFactoryEditor
{
  private String metaDataId;

  public EmbeddedTransformationDataSourcePlugin()
  {
  }

  public void configure(final String metaDataId)
  {
    this.metaDataId = metaDataId;
  }


  public DataFactory performEdit(final DesignTimeContext context,
                                 final DataFactory dataFactory,
                                 final String queryName,
                                 final DataFactoryChangeRecorder changeRecorder)
  {

    try
    {
      KettleDataFactory factory;
      if (dataFactory == null)
      {
        factory = new KettleDataFactory();
      }
      else
      {
        factory = (KettleDataFactory) dataFactory;
      }
      factory.setMetadata(getMetaData());

      final KettleDataSourceDialog editor = createEmbeddedKettleDataSourceDialog(context);
      return editor.performConfiguration(context, factory, queryName);
    }
    catch (KettleException e)
    {
      context.error(e);
      return dataFactory;
    }

  }

  protected KettleDataSourceDialog createEmbeddedKettleDataSourceDialog(final DesignTimeContext context)
  {
    final KettleDataSourceDialog editor;
    final Window window = context.getParentWindow();
    if (window instanceof JDialog)
    {
      editor = new EmbeddedKettleDataSourceDialog(context, (JDialog) window, metaDataId);
    }
    else if (window instanceof JFrame)
    {
      editor = new EmbeddedKettleDataSourceDialog(context, (JFrame) window, metaDataId);
    }
    else
    {
      editor = new EmbeddedKettleDataSourceDialog(context, metaDataId);
    }
    return editor;
  }

  public DataFactoryMetaData getMetaData()
  {
    return DataFactoryRegistry.getInstance().getMetaData(metaDataId);
  }
}
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