/*
* Copyright 2011 Brian Matthews
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.btmatthews.maven.plugins.inmemdb.ldr;
import java.io.File;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;
import org.apache.maven.plugin.MojoFailureException;
import org.hsqldb.cmdline.SqlFile;
import org.hsqldb.cmdline.SqlToolError;
import com.btmatthews.maven.plugins.inmemdb.Database;
import com.btmatthews.maven.plugins.inmemdb.Logger;
/**
* Loader that uses HSQLDB's {@link SqlFile} to load a DDL/DML script into
* the database.
*
* @author <a href="brian@btmatthews.com">Brian Matthews</a>
* @versin 1.0.0
*/
public final class SQLLoader extends AbstractLoader {
/**
* The file extension for DDL/DML scripts.
*/
private static final String EXT = ".sql";
/**
* Return the file extension that denotes DBUnit XML data sets.
*
* @return Returns {@link EXT}.
*/
public String getExtension() {
return EXT;
}
/**
* Load a DDL/DML script into the in-memory database.
*
* @param logger
* Used to report errors and raise exceptions.
* @param dataSource
* The data source used to connect to the in-memory database.
* @param source
* The source file containing the DDL/DML script.
* @throws MojoFailureException
* If there was an error loading the DDL/DML script.
*/
public void load(Logger logger, Database database, File source)
throws MojoFailureException {
assert database != null;
assert logger != null;
assert source != null;
try {
final SqlFile sqlFile = new SqlFile(source);
final DataSource dataSource = database.getDataSource();
final Connection connection = dataSource.getConnection();
try {
sqlFile.setConnection(connection);
sqlFile.execute();
connection.commit();
} finally {
connection.close();
}
} catch (final IOException exception) {
logger.logError(CANNOT_READ_SOURCE_FILE, exception,
source.getPath());
} catch (final SQLException exception) {
logger.logError(ERROR_PROCESSING_SOURCE_FILE, exception,
source.getPath());
} catch (final SqlToolError exception) {
logger.logError(ERROR_PROCESSING_SOURCE_FILE, exception,
source.getPath());
}
}
}