com.redhat.thermostat.web2.endpoint.command.MongoStorage.java Source code

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Here is the source code for com.redhat.thermostat.web2.endpoint.command.MongoStorage.java

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/*
 * Copyright 2012-2016 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat 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 2, or (at your
 * option) any later version.
 *
 * Thermostat 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 Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.web2.endpoint.command;

import java.util.Collections;

import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;
import com.mongodb.client.MongoDatabase;

public class MongoStorage {
    private static MongoClient mongoClient;

    private static final String username = "mongodevuser";
    private static final char[] password = "mongodevpassword".toCharArray();
    private static String dbName;

    public static void start(final String dbName, int port) {
        MongoStorage.dbName = dbName;
        MongoCredential credential = MongoCredential.createCredential(username, dbName, password);
        ServerAddress address = new ServerAddress("127.0.0.1", port);
        mongoClient = new MongoClient(address, Collections.singletonList(credential),
                new MongoClientOptions.Builder().serverSelectionTimeout(0).build());
    }

    public static boolean isConnected() {
        try {
            mongoClient.getAddress();
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    public static void finish() {
        mongoClient.close();
    }

    public static MongoDatabase getDatabase() {
        return MongoStorage.mongoClient.getDatabase(MongoStorage.dbName);
    }
}