/*
 * Copyright 2008,  Unitils.org
 *
 * 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 org.unitils.dbmaintainer.util;

import static org.unitils.core.util.ConfigUtils.getInstanceOf;

import java.util.List;
import java.util.Properties;

import org.unitils.core.dbsupport.SQLHandler;

/**
 * Class containing configuration utility methods specifically for the {@link org.unitils.database.DatabaseModule} and
 * related modules
 *
 * @author Filip Neven
 * @author Tim Ducheyne
 */
public class DatabaseModuleConfigUtils {

    /**
     * Property key of the SQL dialect of the underlying DBMS implementation
     */
    public static final String PROPKEY_DATABASE_DIALECT = "database.dialect";


    /**
     * Retrieves the concrete instance of the class with the given type as configured by the given <code>Configuration</code>.
     * The concrete instance must extend the class {@link DatabaseAccessing}.
     * 
     * @param <T>              The type of the DatabaseTask 
     * @param databaseTaskType The type of the DatabaseTask, not null
     * @param configuration    The config, not null
     * @param sqlHandler       The sql handler, not null
     * @return The configured instance
     */
    @SuppressWarnings({"unchecked"})
    public static <T extends DatabaseAccessing> T getConfiguredDatabaseTaskInstance(Class<T> databaseTaskType, Properties configuration, SQLHandler sqlHandler, String dialect, List<String> schemaNames) {
        //String databaseDialect = PropertyUtils.getString(PROPKEY_DATABASE_DIALECT, configuration);
        DatabaseAccessing instance = getInstanceOf(databaseTaskType, configuration, dialect);
        instance.init(configuration, sqlHandler, dialect, schemaNames);
        return (T) instance;
    }


}