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/*
*
* 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.ant;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.tools.ant.ProjectComponent;
import org.dbunit.DatabaseUnitException;
import org.dbunit.database.DatabaseConfig;
import org.dbunit.database.IDatabaseConnection;
import org.dbunit.database.QueryDataSet;
import org.dbunit.dataset.CachedDataSet;
import org.dbunit.dataset.CompositeDataSet;
import org.dbunit.dataset.DataSetException;
import org.dbunit.dataset.ForwardOnlyDataSet;
import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.csv.CsvProducer;
import org.dbunit.dataset.excel.XlsDataSet;
import org.dbunit.dataset.stream.IDataSetProducer;
import org.dbunit.dataset.stream.StreamingDataSet;
import org.dbunit.dataset.xml.FlatDtdProducer;
import org.dbunit.dataset.xml.FlatXmlProducer;
import org.dbunit.dataset.xml.XmlProducer;
import org.dbunit.util.FileHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.InputSource;
/**
* @author Manuel Laflamme
* @author Last changed by: $Author$
* @version $Revision$ $Date$
* @since 2.1 (Apr 3, 2004)
*/
public abstract class AbstractStep extends ProjectComponent implements DbUnitTaskStep
{
/**
* Logger for this class
*/
private static final Logger logger = LoggerFactory.getLogger(AbstractStep.class);
public static final String FORMAT_FLAT = "flat";
public static final String FORMAT_XML = "xml";
public static final String FORMAT_DTD = "dtd";
public static final String FORMAT_CSV = "csv";
public static final String FORMAT_XLS = "xls";
private boolean ordered = false;
protected IDataSet getDatabaseDataSet(IDatabaseConnection connection,
List tables) throws DatabaseUnitException
{
if (logger.isDebugEnabled())
{
logger.debug("getDatabaseDataSet(connection={}, tables={}) - start",
new Object[] { connection, tables});
}
try
{
DatabaseConfig config = connection.getConfig();
// Retrieve the complete database if no tables or queries specified.
if (tables.size() == 0)
{
logger.debug("Retrieving the whole database because tables/queries have not been specified");
return connection.createDataSet();
}
List queryDataSets = createQueryDataSet(tables, connection);
IDataSet[] dataSetsArray = null;
if (config.getProperty(DatabaseConfig.PROPERTY_RESULTSET_TABLE_FACTORY)
.getClass().getName().equals("org.dbunit.database.ForwardOnlyResultSetTableFactory")) {
dataSetsArray = (IDataSet[]) createForwardOnlyDataSetArray(queryDataSets);
} else {
dataSetsArray = (IDataSet[]) queryDataSets.toArray(new IDataSet[queryDataSets.size()]);
}
return new CompositeDataSet(dataSetsArray);
}
catch (SQLException e)
{
throw new DatabaseUnitException(e);
}
}
private ForwardOnlyDataSet[] createForwardOnlyDataSetArray(List dataSets) throws DataSetException, SQLException {
ForwardOnlyDataSet[] forwardOnlyDataSets = new ForwardOnlyDataSet[dataSets.size()];
for (int i = 0; i < dataSets.size(); i++) {
forwardOnlyDataSets[i] = new ForwardOnlyDataSet(dataSets.get(i));
}
return forwardOnlyDataSets;
}
private List createQueryDataSet(List tables, IDatabaseConnection connection)
throws DataSetException, SQLException
{
logger.debug("createQueryDataSet(tables={}, connection={})", tables, connection);
List queryDataSets = new ArrayList();
QueryDataSet queryDataSet = new QueryDataSet(connection);
for (Iterator it = tables.iterator(); it.hasNext();)
{
Object item = it.next();
if(item instanceof QuerySet) {
if(queryDataSet.getTableNames().length > 0)
queryDataSets.add(queryDataSet);
QueryDataSet newQueryDataSet = (((QuerySet)item).getQueryDataSet(connection));
queryDataSets.add(newQueryDataSet);
queryDataSet = new QueryDataSet(connection);
}
else if (item instanceof Query)
{
Query queryItem = (Query)item;
queryDataSet.addTable(queryItem.getName(), queryItem.getSql());
}
else if (item instanceof Table)
{
Table tableItem = (Table)item;
queryDataSet.addTable(tableItem.getName());
}
else
{
throw new IllegalArgumentException("Unsupported element type " + item.getClass().getName() + ".");
}
}
if(queryDataSet.getTableNames().length > 0)
queryDataSets.add(queryDataSet);
return queryDataSets;
}
protected IDataSet getSrcDataSet(File src, String format,
boolean forwardonly) throws DatabaseUnitException
{
if (logger.isDebugEnabled())
{
logger.debug("getSrcDataSet(src={}, format={}, forwardonly={}) - start",
new Object[]{ src, format, String.valueOf(forwardonly) });
}
try
{
IDataSetProducer producer = null;
if (format.equalsIgnoreCase(FORMAT_XML))
{
producer = new XmlProducer(getInputSource(src));
}
else if (format.equalsIgnoreCase(FORMAT_CSV))
{
producer = new CsvProducer(src);
}
else if (format.equalsIgnoreCase(FORMAT_FLAT))
{
producer = new FlatXmlProducer(getInputSource(src), true, true);
}
else if (format.equalsIgnoreCase(FORMAT_DTD))
{
producer = new FlatDtdProducer(getInputSource(src));
}
else if (format.equalsIgnoreCase(FORMAT_XLS))
{
return new CachedDataSet(new XlsDataSet(src));
}
else
{
throw new IllegalArgumentException("Type must be either 'flat'(default), 'xml', 'csv', 'xls' or 'dtd' but was: " + format);
}
if (forwardonly)
{
return new StreamingDataSet(producer);
}
return new CachedDataSet(producer);
}
catch (IOException e)
{
throw new DatabaseUnitException(e);
}
}
/**
* Checks if the given format is a format which contains tabular data.
* @param format The format to check
* @return true if the given format is a data format. A data
* format is a format which holds tabular data that can be loaded via dbunit.
* An example for a data format is "xml" or "flat". A non-data format is "dtd" which
* holds only metadata information.
* @since 2.4
*/
public boolean isDataFormat(String format)
{
logger.debug("isDataFormat(format={}) - start", format);
if (format.equalsIgnoreCase(FORMAT_FLAT)
|| format.equalsIgnoreCase(FORMAT_XML)
|| format.equalsIgnoreCase(FORMAT_CSV)
|| format.equalsIgnoreCase(FORMAT_XLS)
)
{
return true;
}
else
{
return false;
}
}
/**
* Checks if the given data format is a valid one according to
* the method {@link #isDataFormat(String)}. If it is not an
* {@link IllegalArgumentException} is thrown.
* @param format The format to check
* @throws IllegalArgumentException If the given format is not
* a valid data format
* @since 2.4
*/
protected void checkDataFormat(String format)
{
logger.debug("checkDataFormat(format={}) - start", format);
if (!isDataFormat(format))
{
throw new IllegalArgumentException("format must be either 'flat'(default), 'xml', 'csv' or 'xls' but was: " + format);
}
}
/**
* Creates and returns an {@link InputSource}
* @param file The file for which an {@link InputSource} should be created
* @return The input source for the given file
* @throws MalformedURLException
*/
public static InputSource getInputSource(File file) throws MalformedURLException
{
InputSource source = FileHelper.createInputSource(file);
return source;
}
public boolean isOrdered()
{
return ordered;
}
public void setOrdered(boolean ordered)
{
this.ordered = ordered;
}
public String toString()
{
StringBuffer result = new StringBuffer();
result.append("AbstractStep: ");
result.append("ordered=").append(this.ordered);
return result.toString();
}
}
