/*!
* 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.parameters;
import javax.swing.table.TableModel;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.function.ExpressionRuntime;
import org.pentaho.reporting.engine.classic.core.function.ProcessingContext;
import org.pentaho.reporting.engine.classic.core.layout.output.GenericOutputProcessorMetaData;
import org.pentaho.reporting.engine.classic.core.wizard.DefaultDataSchema;
import org.pentaho.reporting.engine.classic.core.wizard.DataSchema;
import org.pentaho.reporting.engine.classic.core.DataRow;
import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
import org.pentaho.reporting.engine.classic.core.ResourceBundleFactory;
import org.pentaho.reporting.engine.classic.core.layout.output.DefaultProcessingContext;
import org.pentaho.reporting.engine.classic.core.states.datarow.EmptyTableModel;
import org.pentaho.reporting.libraries.base.config.Configuration;
public class ParameterExpressionRuntime implements ExpressionRuntime
{
private DefaultDataSchema dataSchema;
private DataRow dataRow;
private ProcessingContext processingContext;
private TableModel model;
private DataFactory dataFactory;
public ParameterExpressionRuntime(final ParameterContext parameterContext,
final DataRow dataRow)
throws ReportProcessingException
{
if (parameterContext == null)
{
throw new NullPointerException();
}
if (dataRow == null)
{
throw new NullPointerException();
}
this.dataFactory = parameterContext.getDataFactory();
this.model = new EmptyTableModel();
this.dataSchema = new DefaultDataSchema();
this.dataRow = dataRow;
this.processingContext = new DefaultProcessingContext
(new GenericOutputProcessorMetaData(),
parameterContext.getResourceBundleFactory(),
parameterContext.getConfiguration(),
parameterContext.getResourceManager(),
parameterContext.getContentBase(),
parameterContext.getDocumentMetaData(),
parameterContext.getReportEnvironment(), -1);
}
public DataFactory getDataFactory()
{
return dataFactory;
}
/**
* Returns the current data-row. The datarow can be used to access the computed values of all expressions and
* functions and the current row in the tablemodel.
*
* @return the data-row.
*/
public DataRow getDataRow()
{
return dataRow;
}
public DataSchema getDataSchema()
{
return dataSchema;
}
/**
* Returns the report configuration that was used to initiate this processing run.
*
* @return the report configuration.
*/
public Configuration getConfiguration()
{
return getProcessingContext().getConfiguration();
}
/**
* Returns the resource-bundle factory of current processing context.
*
* @return the current resource-bundle factory.
*/
public ResourceBundleFactory getResourceBundleFactory()
{
return getProcessingContext().getResourceBundleFactory();
}
/**
* Grants access to the tablemodel was granted using report properties, now direct.
*
* @return the current tablemodel used in the report.
*/
public TableModel getData()
{
return model;
}
/**
* Returns the number of the row in the tablemodel that is currently being processed.
*
* @return the current row number.
*/
public int getCurrentRow()
{
return -1;
}
public int getCurrentDataItem()
{
return -1;
}
public int getCurrentGroup()
{
return -1;
}
public int getGroupStartRow(final String groupName)
{
return 0;
}
public int getGroupStartRow(final int groupIndex)
{
return 0;
}
/**
* Returns the current export descriptor as returned by the OutputProcessorMetaData object. The output descriptor is
* a simple string collections consisting of the following components: exportclass/type/subtype
* <p/>
* For example, the PDF export would be: pageable/pdf and the StreamHTML export would return table/html/stream
*
* @return the export descriptor.
*/
public String getExportDescriptor()
{
return getProcessingContext().getExportDescriptor();
}
/**
* Returns the current processing context.
*
* @return the processing context.
*/
public ProcessingContext getProcessingContext()
{
return processingContext;
}
public boolean isStructuralComplexReport()
{
return false;
}
public boolean isCrosstabActive()
{
return false;
}
}