sample.mybatis.conf.DatabaseDriver.java Source code

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Here is the source code for sample.mybatis.conf.DatabaseDriver.java

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/*
 * Copyright 2012-2014 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 sample.mybatis.conf;

import org.springframework.util.Assert;
import org.springframework.util.StringUtils;

/**
 * Enumeration of common database drivers.
 *
 * @author Phillip Webb
 * @author Maciej Walkowiak
 * @since 1.2.0
 */
enum DatabaseDriver {

    /**
     * Unknown type.
     */
    UNKNOWN(null),

    /**
     * Apache Derby.
     */
    DERBY("org.apache.derby.jdbc.EmbeddedDriver"),

    /**
     * H2.
     */
    H2("org.h2.Driver", "org.h2.jdbcx.JdbcDataSource"),

    /**
     * HyperSQL DataBase.
     */
    HSQLDB("org.hsqldb.jdbc.JDBCDriver", "org.hsqldb.jdbc.pool.JDBCXADataSource"),

    /**
     * SQL Lite.
     */
    SQLITE("org.sqlite.JDBC"),

    /**
     * MySQL.
     */
    MYSQL("com.mysql.jdbc.Driver", "org.mysql.jdbc.MySQLDataSource"),

    /**
     * Maria DB.
     */
    MARIADB("org.mariadb.jdbc.Driver", "org.mariadb.jdbc.MySQLDataSource"),

    /**
     * Google App Engine.
     */
    GOOGLE("com.google.appengine.api.rdbms.AppEngineDriver"),

    /**
     * Oracle
     */
    ORACLE("oracle.jdbc.OracleDriver", "oracle.jdbc.xa.OracleXADataSource"),

    /**
     * Postres
     */
    POSTGRESQL("org.postgresql.Driver", "org.postgresql.xa.PGXADataSource"),

    /**
     * JTDS
     */
    JTDS("net.sourceforge.jtds.jdbc.Driver"),

    /**
     * SQL Server
     */
    SQLSERVER("com.microsoft.sqlserver.jdbc.SQLServerDriver");

    private final String driverClassName;

    private final String xaDataSourceClassName;

    private DatabaseDriver(String driverClassName) {
        this(driverClassName, null);
    }

    private DatabaseDriver(String driverClassName, String xaDataSourceClassName) {
        this.driverClassName = driverClassName;
        this.xaDataSourceClassName = xaDataSourceClassName;
    }

    /**
     * @return the driverClassName or {@code null}
     */
    public String getDriverClassName() {
        return this.driverClassName;
    }

    /**
     * @return the xaDataSourceClassName or {@code null}
     */
    public String getXaDataSourceClassName() {
        return this.xaDataSourceClassName;
    }

    /**
     * Find a {@link DatabaseDriver} for the given URL.
     * @param url JDBC URL
     * @return driver class name or {@link #UNKNOWN} if not found
     */
    public static DatabaseDriver fromJdbcUrl(String url) {
        if (StringUtils.hasLength(url)) {
            Assert.isTrue(url.startsWith("jdbc"), "URL must start with 'jdbc'");
            String urlWithoutPrefix = url.substring("jdbc".length()).toLowerCase();
            for (DatabaseDriver driver : values()) {
                String prefix = ":" + driver.name().toLowerCase() + ":";
                if (driver != UNKNOWN && urlWithoutPrefix.startsWith(prefix)) {
                    return driver;
                }
            }
        }
        return UNKNOWN;
    }

}