models.util.DbUtil.java Source code

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Here is the source code for models.util.DbUtil.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 BiaCode http://biacode.com
 * Author Arthur Asatryan biacoder@gmail.com
 * GIT: https://github.com/bia-code/Bia-Web
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package models.util;

import com.mongodb.MongoClient;
import com.mongodb.client.MongoDatabase;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * Database utilities
 * Created by Arthur on 4/11/2015.
 */
public class DbUtil {

    /**
     * Get connection to MongoDB
     *
     * @return MongoDatabase
     */
    public static MongoDatabase getMongoDB() {
        MongoClient mongoClient = new MongoClient("localhost", 27017);
        return mongoClient.getDatabase("mongo_test");
    }

    public static void closeQuietly(MongoClient mongoClient) {
        mongoClient.close();
    }

    /**
     * Close quietly with ResultSet, PreparedStatement and Connection
     *
     * @param resultSet         ResultSet
     * @param preparedStatement PreparedStatement
     * @param connection        Connection
     */
    public static void closeQuietly(ResultSet resultSet, PreparedStatement preparedStatement,
            Connection connection) {
        try {
            if (null != resultSet)
                resultSet.close();
            if (null != preparedStatement)
                preparedStatement.close();
            if (null != connection)
                connection.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    /**
     * Close quietly with PreparedStatement and Connection
     *
     * @param preparedStatement PreparedStatement
     * @param connection        Connection
     */
    public static void closeQuietly(PreparedStatement preparedStatement, Connection connection) {
        try {
            if (null != preparedStatement)
                preparedStatement.close();
            if (null != connection)
                connection.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    /**
     * Close quietly with Connection only
     *
     * @param connection Connection
     */
    public static void closeQuietly(Connection connection) {
        try {
            if (null != connection)
                connection.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

}