package org.ff4j.store.rowmapper;
/*
* #%L
* ff4j-store-jdbc
* %%
* Copyright (C) 2013 - 2014 Ff4J
* %%
* 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.
* #L%
*/
import java.sql.ResultSet;
import java.sql.SQLException;
import org.ff4j.core.Feature;
import org.ff4j.core.FlippingStrategy;
import org.ff4j.exception.FeatureAccessException;
import org.ff4j.store.JdbcFeatureStoreConstants;
import org.ff4j.utils.ParameterUtils;
import org.springframework.jdbc.core.simple.ParameterizedRowMapper;
/**
* Mapper to convert result into
*
* @author <a href="mailto:cedrick.lunven@gmail.com">Cedrick LUNVEN</a>
*/
public class FeatureRowMapper implements ParameterizedRowMapper<Feature>, JdbcFeatureStoreConstants {
/** {@inheritDoc} */
@Override
public Feature mapRow(ResultSet rs, int rowNum) throws SQLException {
String featUid = rs.getString(COL_FEAT_UID);
Feature f = new Feature(featUid, rs.getInt(COL_FEAT_ENABLE) > 0);
f.setDescription(rs.getString(COL_FEAT_DESCRIPTION));
f.setGroup(rs.getString(COL_FEAT_GROUPNAME));
// Build Flipping Strategy From DataBase
String strategy = rs.getString(COL_FEAT_STRATEGY);
if (strategy != null && !"".equals(strategy)) {
try {
FlippingStrategy flipStrategy = (FlippingStrategy) Class.forName(strategy).newInstance();
flipStrategy.init(featUid, ParameterUtils.toMap(rs.getString(COL_FEAT_EXPRESSION)));
f.setFlippingStrategy(flipStrategy);
} catch (InstantiationException ie) {
throw new FeatureAccessException("Cannot instantiate Strategy, no default constructor available", ie);
} catch (IllegalAccessException iae) {
throw new FeatureAccessException("Cannot instantiate Strategy, no visible constructor", iae);
} catch (ClassNotFoundException e) {
throw new FeatureAccessException("Cannot instantiate Strategy, classNotFound", e);
}
}
return f;
}
}