CaseInsensitiveDataSet.java
/*
*
* The DbUnit Database Testing Framework
* Copyright (C)2002-2004, DbUnit.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package org.dbunit.dataset;
import org.dbunit.database.AmbiguousTableNameException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Allows access to a decorated dataset in a case insensitive way. Dataset
* implementations provided by the framework are case sensitive. This class
* allows using them in situation where case sensitiveness is not desirable.
*
* @author Manuel Laflamme
* @author Last changed by: $Author$
* @version $Revision$ $Date$
* @deprecated All IDataSet implementations are case insensitive since DbUnit 1.5 - may change again since tablenames on RDBMSes can be case sensitive
* @since 1.0
*/
public class CaseInsensitiveDataSet extends AbstractDataSet
{
/**
* Logger for this class
*/
private static final Logger logger = LoggerFactory.getLogger(CaseInsensitiveDataSet.class);
private final IDataSet _dataSet;
private OrderedTableNameMap orderedTableMap;
public CaseInsensitiveDataSet(IDataSet dataSet) throws AmbiguousTableNameException, DataSetException
{
_dataSet = dataSet;
// Check for duplicates using the OrderedTableNameMap as helper
orderedTableMap = new OrderedTableNameMap(false);
ITableIterator tableIterator = _dataSet.iterator();
while(tableIterator.next()) {
ITable table = (ITable) tableIterator.getTable();
String tableName = table.getTableMetaData().getTableName();
orderedTableMap.add(tableName.toUpperCase(), tableName);
}
}
private String getInternalTableName(String tableName) throws DataSetException
{
logger.debug("getInternalTableName(tableName={}) - start", tableName);
String originalTableName = (String)orderedTableMap.get(tableName.toUpperCase());
if(originalTableName==null){
throw new NoSuchTableException(tableName);
}
else {
return originalTableName;
}
}
////////////////////////////////////////////////////////////////////////////
// AbstractDataSet class
protected ITableIterator createIterator(boolean reversed)
throws DataSetException
{
if(logger.isDebugEnabled())
logger.debug("createIterator(reversed={}) - start", String.valueOf(reversed));
return new CaseInsensitiveIterator(reversed ?
_dataSet.reverseIterator() : _dataSet.iterator());
}
////////////////////////////////////////////////////////////////////////////
// IDataSet interface
public String[] getTableNames() throws DataSetException
{
return _dataSet.getTableNames();
}
public ITableMetaData getTableMetaData(String tableName)
throws DataSetException
{
logger.debug("getTableMetaData(tableName={}) - start", tableName);
return _dataSet.getTableMetaData(getInternalTableName(tableName));
}
public ITable getTable(String tableName) throws DataSetException
{
logger.debug("getTable(tableName={}) - start", tableName);
ITable table = _dataSet.getTable(getInternalTableName(tableName));
return new CaseInsensitiveTable(table);
}
////////////////////////////////////////////////////////////////////////////
// CaseInsensitiveIterator class
private class CaseInsensitiveIterator implements ITableIterator
{
private final ITableIterator _iterator;
public CaseInsensitiveIterator(ITableIterator iterator)
{
_iterator = iterator;
}
////////////////////////////////////////////////////////////////////////
// ITableIterator interface
public boolean next() throws DataSetException
{
return _iterator.next();
}
public ITableMetaData getTableMetaData() throws DataSetException
{
return _iterator.getTableMetaData();
}
public ITable getTable() throws DataSetException
{
return new CaseInsensitiveTable(_iterator.getTable());
}
}
}