com.javamongodb.utils.DatabaseUtils.java Source code

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Here is the source code for com.javamongodb.utils.DatabaseUtils.java

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package com.javamongodb.utils;

import static com.javamongodb.application.JAVAMongoDBApplication.logger;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.MongoClient;
import java.awt.HeadlessException;
import java.net.UnknownHostException;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

/**
 *
 * @author raunakshakya
 */
public class DatabaseUtils {

    public static final String HOST_NAME = "localhost";
    public static final Integer PORT_NUMBER = 27017;
    public static final String DATABASE_NAME = "ContactManagementSystem";
    public static final String COLLECTION_NAME = "Members";

    public static DBCollection openDBConnection() {
        try {
            MongoClient mongoClient = new MongoClient(HOST_NAME, PORT_NUMBER); //connect to the mongodb server
            logger.debug("MongoClient object created");
            DB database = mongoClient.getDB(DATABASE_NAME); //connect to the database
            logger.debug("Database achieved");

            //boolean auth = db.authenticate(myUserName, myPassword);
            DBCollection collection = database.getCollection(COLLECTION_NAME);
            if (collection == null) {
                collection = database.createCollection(COLLECTION_NAME, null);
            }
            logger.debug("Database collection achieved");
            return collection;
        } catch (UnknownHostException | HeadlessException exception) {
            logger.error("Error opening database connection:\n" + exception.getMessage());
            JOptionPane.showMessageDialog(new JFrame(), MessageUtils.MESSAGES.getString("error.while.saving.data"),
                    MessageUtils.MESSAGES.getString("error.message"), JOptionPane.ERROR_MESSAGE);
        }
        return null;
    }

    public static void closeDBConnection() {

    }

}