StaticDatabasePlatformSupport.java

/*
 * Copyright 2013-2014 the original author or authors.
 *
 * 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.springframework.cloud.aws.jdbc.datasource.support;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

/**
 * Simple implementation that holds statically all information for the database platform.
 *
 * @author Agim Emruli
 * @since 1.0
 */
public class StaticDatabasePlatformSupport extends MapBasedDatabasePlatformSupport {

    private static final String JDBC_SCHEME_NAME = "jdbc:";
    private final Map<DatabaseType, String> driverClassNameMappings;
    private final Map<DatabaseType, String> schemeNames;

    /**
     * Populates both the {@link #driverClassNameMappings} and {@link #schemeNames} with the configuration information
     */
    public StaticDatabasePlatformSupport() {
        this.driverClassNameMappings = getDefaultDriverClassNameMappings();
        this.schemeNames = getDefaultSchemeNames();
    }

    @Override
    protected Map<DatabaseType, String> getDriverClassNameMappings() {
        return this.driverClassNameMappings;
    }

    @Override
    protected Map<DatabaseType, String> getSchemeNames() {
        return this.schemeNames;
    }

    @Override
    protected Map<DatabaseType, String> getAuthenticationInfo() {
        return Collections.singletonMap(DatabaseType.ORACLE, "@");
    }

    private static Map<DatabaseType, String> getDefaultDriverClassNameMappings() {
        HashMap<DatabaseType, String> driverClassNameMappings = new HashMap<>();
        driverClassNameMappings.put(DatabaseType.MYSQL, "com.mysql.jdbc.Driver");
        driverClassNameMappings.put(DatabaseType.ORACLE, "oracle.jdbc.OracleDriver");
        driverClassNameMappings.put(DatabaseType.SQLSERVER, "net.sourceforge.jtds.jdbc.Driver");
        driverClassNameMappings.put(DatabaseType.POSTGRES, "org.postgresql.Driver");
        driverClassNameMappings.put(DatabaseType.MARIA, "org.mariadb.jdbc.Driver");
        driverClassNameMappings.put(DatabaseType.AURORA, driverClassNameMappings.get(DatabaseType.MYSQL));
        return Collections.unmodifiableMap(driverClassNameMappings);
    }

    private static Map<DatabaseType, String> getDefaultSchemeNames() {
        HashMap<DatabaseType, String> schemeNamesMappings = new HashMap<>();
        schemeNamesMappings.put(DatabaseType.MYSQL, JDBC_SCHEME_NAME + "mysql");
        schemeNamesMappings.put(DatabaseType.ORACLE, JDBC_SCHEME_NAME + "oracle:thin");
        schemeNamesMappings.put(DatabaseType.SQLSERVER, JDBC_SCHEME_NAME + "jtds:sqlserver");
        schemeNamesMappings.put(DatabaseType.POSTGRES, JDBC_SCHEME_NAME + "postgresql");
        schemeNamesMappings.put(DatabaseType.MARIA, JDBC_SCHEME_NAME + "mariadb");
        schemeNamesMappings.put(DatabaseType.AURORA, schemeNamesMappings.get(DatabaseType.MYSQL));
        return Collections.unmodifiableMap(schemeNamesMappings);
    }
}