DataSetProducerAdapter.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.stream;
- import org.dbunit.dataset.Column;
- import org.dbunit.dataset.DataSetException;
- import org.dbunit.dataset.IDataSet;
- import org.dbunit.dataset.ITable;
- import org.dbunit.dataset.ITableIterator;
- import org.dbunit.dataset.ITableMetaData;
- import org.dbunit.dataset.RowOutOfBoundsException;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- /**
- * Implementation of {@link IDataSetProducer} based on a given {@link IDataSet} or a
- * {@link ITableIterator}.
- *
- * @author Manuel Laflamme
- * @author Last changed by: $Author$
- * @version $Revision$ $Date$
- * @since Apr 17, 2003
- */
- public class DataSetProducerAdapter implements IDataSetProducer
- {
- /**
- * Logger for this class
- */
- private static final Logger logger = LoggerFactory.getLogger(DataSetProducerAdapter.class);
- private static final IDataSetConsumer EMPTY_CONSUMER = new DefaultConsumer();
- private final ITableIterator _iterator;
- private IDataSetConsumer _consumer = EMPTY_CONSUMER;
- public DataSetProducerAdapter(ITableIterator iterator)
- {
- _iterator = iterator;
- }
- public DataSetProducerAdapter(IDataSet dataSet) throws DataSetException
- {
- _iterator = dataSet.iterator();
- }
- ////////////////////////////////////////////////////////////////////////////
- // IDataSetProducer interface
- public void setConsumer(IDataSetConsumer consumer) throws DataSetException
- {
- logger.debug("setConsumer(consumer) - start");
- _consumer = consumer;
- }
- public void produce() throws DataSetException
- {
- logger.debug("produce() - start");
- _consumer.startDataSet();
- while(_iterator.next())
- {
- ITable table = _iterator.getTable();
- ITableMetaData metaData = table.getTableMetaData();
- _consumer.startTable(metaData);
- try
- {
- Column[] columns = metaData.getColumns();
- if (columns.length == 0)
- {
- _consumer.endTable();
- continue;
- }
- for (int i = 0; ; i++)
- {
- Object[] values = new Object[columns.length];
- for (int j = 0; j < columns.length; j++)
- {
- Column column = columns[j];
- values[j] = table.getValue(i, column.getColumnName());
- }
- _consumer.row(values);
- }
- }
- catch (RowOutOfBoundsException e)
- {
- // This exception occurs when records are exhausted
- // and we reach the end of the table. Ignore this error
- // and close table.
- // end of table
- _consumer.endTable();
- }
- }
- _consumer.endDataSet();
- }
- }