com.nextep.designer.sqlgen.mysql.impl.MySQLDatabaseConnector.java Source code

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Here is the source code for com.nextep.designer.sqlgen.mysql.impl.MySQLDatabaseConnector.java

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/*******************************************************************************
 * Copyright (c) 2011 neXtep Software and contributors.
 * All rights reserved.
 *
 * This file is part of neXtep designer.
 *
 * NeXtep designer is free software: you can redistribute it 
 * and/or modify it under the terms of the GNU General Public 
 * License as published by the Free Software Foundation, either 
 * version 3 of the License, or any later version.
 *
 * NeXtep designer is distributed in the hope that it will be 
 * useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     neXtep Softwares - initial API and implementation
 *******************************************************************************/
package com.nextep.designer.sqlgen.mysql.impl;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.MessageFormat;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.nextep.designer.core.model.IConnection;
import com.nextep.designer.sqlgen.helpers.CaptureHelper;
import com.nextep.designer.sqlgen.model.base.AbstractDatabaseConnector;
import com.nextep.designer.sqlgen.mysql.MySQLMessages;

/**
 * @author Christophe Fondacci
 * @author Bruno Gautier
 */
public class MySQLDatabaseConnector extends AbstractDatabaseConnector {

    private static final Log LOGGER = LogFactory.getLog(MySQLDatabaseConnector.class);
    private static final String MYSQL_JDBC_DRIVER_CLASSNAME = "com.mysql.jdbc.Driver"; //$NON-NLS-1$

    @Override
    public Connection getConnection(IConnection conn) throws SQLException {
        final String connURL = getConnectionURL(conn);
        LOGGER.info(MessageFormat.format(MySQLMessages.getString("capturer.mysql.connecting"), //$NON-NLS-1$
                connURL));
        Connection connection = null;
        try {
            DriverManager.setLoginTimeout(15);
            connection = DriverManager.getConnection(connURL, conn.getLogin(), conn.getPassword());
        } catch (SQLException sqle) {
            LOGGER.error("Unable to connect to MySQL database: " + sqle.getMessage(), sqle);
            throw sqle;
        }
        LOGGER.info("MySQL connection established");
        return connection;
    }

    @Override
    public void doPostConnectionSettings(IConnection conn, Connection sqlConn) throws SQLException {
        Statement stmt = null;
        try {
            stmt = sqlConn.createStatement();
            stmt.execute("SET CHARACTER SET utf8"); //$NON-NLS-1$
        } catch (SQLException sqle) {
            LOGGER.error("Unable to set the character set: " + sqle.getMessage(), sqle);
            throw sqle;
        } finally {
            CaptureHelper.safeClose(null, stmt);
        }
    }

    @Override
    public String getConnectionURL(IConnection conn) {
        final String host = conn.getServerIP();
        final String port = conn.getServerPort();
        final String db = conn.getDatabase();
        return "jdbc:mysql://" + host + ":" + port + "/" + db //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                + "?useUnicode=true&autoReconnect=true"; //$NON-NLS-1$
    }

    @Override
    public String getJDBCDriverClassName() {
        return MYSQL_JDBC_DRIVER_CLASSNAME;
    }

    @Override
    public String getSchema(IConnection conn) {
        return conn.getDatabase();
    }

}