Example usage for com.mongodb Mongo Mongo

Introduction

In this page you can find the example usage for com.mongodb Mongo Mongo.

Prototype

Mongo(final MongoClientURI mongoURI, @Nullable final MongoDriverInformation mongoDriverInformation)

Source Link

Usage

From source file:test.mongodb.servlet.MongoDBServlet.java

License:Open Source License

@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    String host = System.getenv("MONGODB_HOST");
    String sport = System.getenv("MONGODB_PORT");
    String db = System.getenv("MONGODB_DATABASE");
    if (db == null)
        db = "mydb";
    String user = System.getenv("MONGODB_USER");
    String password = System.getenv("MONGODB_PASSWORD");
    int port = Integer.decode(sport.trim());

    try {/*from  w ww. j a  v  a  2 s  . co  m*/
        mongo = new Mongo(host, port);
    } catch (UnknownHostException e) {
        throw new ServletException("Failed to access Mongo server", e);
    }
    mongoDB = mongo.getDB(db);
    if (mongoDB.authenticate(user, password.toCharArray()) == false) {
        throw new ServletException("Failed to authenticate against db: " + db);
    }
}

From source file:Twitter.FilterStream.java

License:Apache License

public void LinkMongodb() throws Exception {

    /*  //from w  w w.ja v  a 2 s  . c  om
     * Link Mongodb   
     * build a data named FourS2  
     * build a collection named Foursquare  
     *    
     */
    mongo = new Mongo("localhost", 27017);
    DB db = mongo.getDB("TwitterRT");
    collection = db.getCollection("tweet2");
    System.out.println("Link Mongodb!");
}

From source file:TwitterCrawler.PrintSampleStream.java

License:Apache License

public void LinkMongodb() throws Exception {

    /*//from  w  ww  .j  a v a2s .c  o  m
     * Link Mongodb 
     * build a data named FourS2
     * build a collection named Foursquare
     *  
     */
    mongo = new Mongo("localhost", 27017);
    DB db = mongo.getDB("Twitter_131026");
    collection = db.getCollection("BarackObama");
    System.out.println("Link Mongodb!");
}

From source file:uk.ac.soton.itinnovation.sad.coordinator.Coordinator.java

License:Open Source License

/**
 * Requires valid path to configuration file.
 *
 * @param pathToConfigurationFile//from  w  w w  .  j  a v  a2 s.c o m
 */
public Coordinator(String pathToConfigurationFile) {

    logger.debug("New SAD coordinator initialising with the following path: " + pathToConfigurationFile);

    if (pathToConfigurationFile == null) {
        throw new RuntimeException("SAD coordinator configuration path can not be null");
    }

    if (pathToConfigurationFile.length() < 1) {
        throw new RuntimeException("SAD coordinator configuration path can not be empty");
    }

    File configurationFile = new File(pathToConfigurationFile);

    if (!configurationFile.exists()) {
        throw new RuntimeException("SAD coordinator configuration file does not exist on the following path: "
                + pathToConfigurationFile);
    }

    if (!configurationFile.isFile()) {
        throw new RuntimeException(
                "SAD coordinator configuration file is not a file: " + pathToConfigurationFile);
    }

    String absPathToConfigurationFile;
    try {
        absPathToConfigurationFile = configurationFile.getCanonicalPath();
    } catch (IOException ex) {
        throw new RuntimeException("Failed to resolve absolute path to Coordinator configuration file", ex);
    }

    logger.debug("Resolved SAD coordinator file path to: " + absPathToConfigurationFile);

    StringBuilder fileContents = new StringBuilder((int) configurationFile.length());
    Scanner scanner;
    try {
        scanner = new Scanner(configurationFile);
    } catch (FileNotFoundException ex) {
        throw new RuntimeException("Coordinator configuration file not found", ex);
    }
    while (scanner.hasNextLine()) {
        fileContents.append(scanner.nextLine());
        fileContents.append(lineSeparator);
    }
    scanner.close();

    String configAsString = fileContents.toString();

    if (configAsString.length() < 1) {
        throw new RuntimeException(
                "SAD coordinator configuration file can not be empty: " + absPathToConfigurationFile);
    }

    logger.debug("Loading SAD coordinator configuration: " + configAsString);

    configuration = JSONObject.fromObject(configAsString);

    if (!configuration.containsKey("database")) {
        throw new RuntimeException("SAD coordinator configuration file \'" + pathToConfigurationFile
                + "\' must contain field \'database\'");
    }

    if (!configuration.containsKey("pojo_packages")) {
        throw new RuntimeException("SAD coordinator configuration file \'" + pathToConfigurationFile
                + "\' must contain field \'pojo_packages\'");
    }

    JSONObject configurationDatabase = configuration.getJSONObject("database");

    if (!configurationDatabase.containsKey("mongo_server")) {
        throw new RuntimeException("SAD coordinator configuration file \'" + pathToConfigurationFile
                + "\' must contain field \'database/mongo_server\'");
    }
    if (!configurationDatabase.containsKey("name")) {
        throw new RuntimeException("SAD coordinator configuration file \'" + pathToConfigurationFile
                + "\' must contain field \'database/name\'");
    }

    JSONObject configurationDatabaseMongoServer = configurationDatabase.getJSONObject("mongo_server");

    if (!configurationDatabaseMongoServer.containsKey("host")) {
        throw new RuntimeException("SAD coordinator configuration file \'" + pathToConfigurationFile
                + "\' must contain field \'database/mongo_server/host\'");
    }
    if (!configurationDatabaseMongoServer.containsKey("port")) {
        throw new RuntimeException("SAD coordinator configuration file \'" + pathToConfigurationFile
                + "\' must contain field \'database/mongo_server/port\'");
    }

    configurationDatabaseMongoServerHost = configurationDatabaseMongoServer.getString("host");
    configurationDatabaseMongoServerPort = configurationDatabaseMongoServer.getInt("port");
    configurationDatabaseName = configurationDatabase.getString("name");

    configurationPojoPackages = configuration.getJSONArray("pojo_packages");

    if (configurationPojoPackages.isEmpty()) {
        logger.warn("No POJO package names detected");
    }

    logger.debug("Testing database connection");

    // connect to Mongo
    try {
        mongo = new Mongo(configurationDatabaseMongoServerHost, configurationDatabaseMongoServerPort);
    } catch (UnknownHostException ex) {
        throw new RuntimeException("Failed to connect to Mongo server, unknown host", ex);
    }

    logger.debug("Coordinator initialized successfully, call setupDatabase() or deleteDatabase() next");
}

From source file:Util.MongoConnection.java

public void connect(String username, String password, String hostname, String database, int port)
        throws Exception {
    try {//w ww  . ja  va2 s.co m
        MongoConnection.m = new Mongo(hostname, port);
        MongoConnection.db = m.getDB(database);
    } catch (Exception e) {
        System.out.print("No se pudo conectar a Mongo");
    }

}

From source file:uuidupdater.DatabaseTool.java

public DatabaseTool(String host, int port, int threads) {
    this(threads);
    try {//  w  ww  . j av  a2  s.c om
        this.mongo = new Mongo(host, port);
        db = null;
        collection = null;
    } catch (UnknownHostException ex) {
        Logger.getLogger(DatabaseTool.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:uuidupdater.DatabaseTool.java

public void connect(String host, int port) throws UnknownHostException {
    this.mongo = new Mongo(host, port);
    db = null;//w w  w  .j  a  v  a  2  s.  co m
    collection = null;
}