/*
* 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) 2008 - 2009 Pentaho Corporation, . All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.datasources.pmd.types;
import java.util.Date;
import org.pentaho.reporting.engine.classic.core.wizard.DataAttributeContext;
import org.pentaho.reporting.engine.classic.core.wizard.ConceptQueryMapper;
import org.pentaho.metadata.model.concept.types.DataType;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class DataTypeConceptMapper implements ConceptQueryMapper
{
public DataTypeConceptMapper()
{
}
/**
* @param value
* @param type
* @return
*/
public Object getValue(final Object value, final Class type, final DataAttributeContext context)
{
if (value == null)
{
return null;
}
if (value instanceof DataType == false)
{
return null;
}
if (type == null || DataType.class.equals(type))
{
return value;
}
DataType dataTypeSettings = (DataType) value;
// public static final int DATA_TYPE_STRING = 1;
// public static final int DATA_TYPE_DATE = 2;
// public static final int DATA_TYPE_BOOLEAN = 3;
// public static final int DATA_TYPE_NUMERIC = 4;
// public static final int DATA_TYPE_BINARY = 5;
// public static final int DATA_TYPE_IMAGE = 6;
// public static final int DATA_TYPE_URL = 7;
final Class convertedValue;
if (DataType.STRING.equals(dataTypeSettings))
{
convertedValue = String.class;
}
else if (DataType.DATE.equals(dataTypeSettings))
{
convertedValue = Date.class;
}
else if (DataType.BOOLEAN.equals(dataTypeSettings))
{
convertedValue = Boolean.class;
}
else if (DataType.NUMERIC.equals(dataTypeSettings))
{
convertedValue = Number.class;
}
else if (DataType.URL.equals(dataTypeSettings))
{
convertedValue = String.class;
}
else
{
// we cannot safely handle binary, image or URL types. For them, we fall back to the
// database metadata instead ..
return null;
}
if (Class.class.equals(type))
{
return convertedValue;
}
if (String.class.equals(type))
{
return convertedValue.getName();
}
return null;
}
}