BatchStatementDecorator.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.database.statement;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import org.dbunit.dataset.DataSetUtils;
- import org.dbunit.dataset.datatype.DataType;
- import org.dbunit.dataset.datatype.TypeCastException;
- import java.sql.SQLException;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.StringTokenizer;
- /**
- * @author Manuel Laflamme
- * @version $Revision$
- * @since Mar 16, 2002
- */
- public class BatchStatementDecorator implements IPreparedBatchStatement
- {
- /**
- * Logger for this class
- */
- private static final Logger logger = LoggerFactory.getLogger(BatchStatementDecorator.class);
- private final IBatchStatement _statement;
- private final String[] _sqlTemplate;
- private StringBuilder _sqlBuffer;
- private int _index;
- BatchStatementDecorator(String sql, IBatchStatement statement)
- {
- List list = new ArrayList();
- StringTokenizer tokenizer = new StringTokenizer(sql, "?");
- while (tokenizer.hasMoreTokens())
- {
- list.add(tokenizer.nextToken());
- }
- if (sql.endsWith("?"))
- {
- list.add("");
- }
- _sqlTemplate = (String[])list.toArray(new String[0]);
- _statement = statement;
- // reset sql buffer
- _index = 0;
- _sqlBuffer = new StringBuilder(_sqlTemplate[_index++]);
- }
- ////////////////////////////////////////////////////////////////////////////
- // IPreparedBatchStatement interface
- public void addValue(Object value, DataType dataType)
- throws TypeCastException, SQLException
- {
- logger.debug("addValue(value={}, dataType={}) - start", value, dataType);
- _sqlBuffer.append(DataSetUtils.getSqlValueString(value, dataType));
- _sqlBuffer.append(_sqlTemplate[_index++]);
- }
- public void addBatch() throws SQLException
- {
- logger.debug("addBatch() - start");
- _statement.addBatch(_sqlBuffer.toString());
- // reset sql buffer
- _index = 0;
- _sqlBuffer = new StringBuilder(_sqlTemplate[_index++]);
- }
- public int executeBatch() throws SQLException
- {
- logger.debug("executeBatch() - start");
- return _statement.executeBatch();
- }
- public void clearBatch() throws SQLException
- {
- logger.debug("clearBatch() - start");
- _statement.clearBatch();
- // reset sql buffer
- _index = 0;
- _sqlBuffer = new StringBuilder(_sqlTemplate[_index++]);
- }
- public void close() throws SQLException
- {
- logger.debug("close() - start");
- _statement.close();
- }
- }