de.akquinet.jbosscc.guttenbase.export.ImportDumpConnector Maven / Gradle / Ivy

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package de.akquinet.jbosscc.guttenbase.export;

import java.sql.Connection;
import java.sql.SQLException;

import de.akquinet.jbosscc.guttenbase.connector.impl.AbstractConnector;
import de.akquinet.jbosscc.guttenbase.exceptions.ImportException;
import de.akquinet.jbosscc.guttenbase.hints.ImporterFactoryHint;
import de.akquinet.jbosscc.guttenbase.meta.DatabaseMetaData;
import de.akquinet.jbosscc.guttenbase.repository.ConnectorRepository;

/**
 * Connection info for importing data from a file.
 * 
 * 
 * © 2012 akquinet tech@spree
 * 
 * 
 * @Uses-Hint {@link ImporterFactoryHint} to determine importer implementation
 * @author M. Dahm
 */
public class ImportDumpConnector extends AbstractConnector {
	private final ImportDumpConnectionInfo _importDumpConnectionInfo;
	private DatabaseMetaData _databaseMetaData;

	public ImportDumpConnector(final ConnectorRepository connectorRepository, final String connectorId,
			final ImportDumpConnectionInfo importDumpConnectionInfo) {
		super(connectorRepository, connectorId, importDumpConnectionInfo);

		_importDumpConnectionInfo = importDumpConnectionInfo;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public Connection openConnection() throws SQLException {
		if (_connection == null || _connection.isClosed()) {
			try {
				final Importer importer = _connectorRepository.getConnectorHint(_connectorId, ImporterFactory.class).getValue().createImporter();

				importer.initializeImport(_connectorRepository, _connectorId, _importDumpConnectionInfo);

				_databaseMetaData = importer.readDatabaseMetaData();
				_connection = new ImportDumpConnection(importer);
			} catch (final Exception e) {
				throw new ImportException("openConnection", e);
			}
		}

		return _connection;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public DatabaseMetaData retrieveDatabaseMetaData() throws SQLException {
		// Make sure the information is there
		openConnection();
		closeConnection();

		return _databaseMetaData;
	}
}