com.bluedragon.mongo.MongoDSN.java Source code

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Here is the source code for com.bluedragon.mongo.MongoDSN.java

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/*
 *  Copyright (C) 2000 - 2015 TagServlet Ltd
 *
 *  This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
 *
 *  OpenBD is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  Free Software Foundation,version 3.
 *
 *  OpenBD 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 OpenBD.  If not, see http://www.gnu.org/licenses/
 *
 *  Additional permission under GNU GPL version 3 section 7
 *
 *  If you modify this Program, or any covered work, by linking or combining
 *  it with any of the JARS listed in the README.txt (or a modified version of
 *  (that library), containing parts covered by the terms of that JAR, the
 *  licensors of this Program grant you additional permission to convey the
 *  resulting work.
 *  README.txt @ http://www.openbluedragon.org/license/README.txt
 *
 *  http://openbd.org/
 */
package com.bluedragon.mongo;

import java.net.Inet4Address;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import net.spy.memcached.AddrUtil;

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

public class MongoDSN extends Object {

    private static Map<String, MongoClientWrapper> clientMongoMap = new HashMap<String, MongoClientWrapper>();

    public long lastUsed;
    private MongoDatabase mdb;
    private MongoClient mongoclient;

    private String server, user, pass, db, mongouri = null, ip;
    private int port;

    public MongoDSN(String mongouri) {
        this.mongouri = mongouri;
        this.mdb = null;
    }

    public MongoDSN(String server, int port, String user, String pass, String db) throws UnknownHostException {
        this.db = db;
        this.server = server;
        this.user = user;
        this.pass = pass;
        this.port = port;
        this.ip = Inet4Address.getByName(server).getHostAddress();
        this.mongouri = null;
        this.mdb = null;
    }

    public synchronized void open() throws Exception {

        if (mongouri == null) {

            if (clientMongoMap.containsKey(ip + port)) {
                mdb = clientMongoMap.get(ip + port).open().getDatabase(db);
            } else {
                mongoclient = newClient(server + ":" + port, user, pass, db);
                MongoClientWrapper mcw = new MongoClientWrapper(mongoclient);
                clientMongoMap.put(ip + port, mcw);
                mdb = mcw.open().getDatabase(db);
            }

        } else {
            MongoClientURI clientURI = new MongoClientURI(mongouri);
            mongoclient = new MongoClient(clientURI);
            mdb = mongoclient.getDatabase(clientURI.getDatabase());
        }

        lastUsed = System.currentTimeMillis();
    }

    public synchronized void close() {
        if (mdb != null) {

            if (mongouri == null) {
                clientMongoMap.get(ip + port).close();

                if (clientMongoMap.get(ip + port).getUsageCount() == 0)
                    clientMongoMap.remove(ip + port);

                mdb = null;
                mongoclient = null;
            } else {
                mongoclient.close();
                mongoclient = null;
            }

        }
    }

    public String getDBName() {
        return db;
    }

    public MongoDatabase getDatabase() {
        return mdb;
    }

    public MongoClient getClient() {
        return mongoclient;
    }

    public static MongoClient newClient(String server, String user, String pass, String db)
            throws UnknownHostException {

        MongoClientOptions options = MongoClientOptions.builder()
                .readPreference(ReadPreference.secondaryPreferred()).build();

        List<InetSocketAddress> serverList = AddrUtil.getAddresses(server);
        List<ServerAddress> addrs = new ArrayList<ServerAddress>();

        Iterator<InetSocketAddress> it = serverList.iterator();
        while (it.hasNext()) {
            InetSocketAddress isa = it.next();
            addrs.add(new ServerAddress(isa.getAddress(), isa.getPort()));
        }

        if (user != null) {
            MongoCredential cred = MongoCredential.createCredential(user, db, pass.toCharArray());
            List<MongoCredential> creds = new ArrayList<MongoCredential>();
            creds.add(cred);

            return new MongoClient(addrs, creds, options);
        } else {
            return new MongoClient(addrs, options);
        }

    }

}