Example usage for com.mongodb DBObject get

Introduction

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

Prototype

Object get(String key);

Source Link

Document

Gets a field from this object by a given name.

Usage

From source file:ch.agent.crnickl.mongodb.AccessMethodsForNumber.java

License:Apache License

private long extractValues(DBObject obj, Range range, TimeAddressable<Double> ts) throws Exception {
    if (range != null && range.isEmpty())
        return 0;
    long count = 0;
    @SuppressWarnings("unchecked")
    Map<String, Double> values = (Map<String, Double>) obj.get(MongoDatabase.FLD_SER_VALUES);
    for (String k : values.keySet()) {
        long t = Long.valueOf(k);
        if (range == null || range.isInRange(t)) {
            ts.put(t, values.get(k));//w w  w  .j av a 2 s .c o m
            count++;
        }
    }
    return count;
}

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From source file:ch.bfh.uniboard.persistence.mongodb.PersistedPost.java

License:GNU General Public License

/**
 * Method allowing to retrieve a PersistedPost out of the DBObject returned by the database. If the passed DBObject
 * does not represent a PersistedPost, an empty PersistedPost is retuned
 *
 * @param doc the DBObject returned by the database
 * @return the corresponding persisted post
 *///w  w  w.  ja v a  2  s.  c o  m
public static PersistedPost fromDBObject(DBObject doc) {
    PersistedPost pp = new PersistedPost();

    //TODO remove try catch when DB will be cleaned
    //this is only needed since some messages in MongoDB are not byte array
    //but string (historical reasons
    try {
        pp.message = Base64.decode((String) doc.get("message"));
    } catch (ClassCastException e) {
        pp.message = JSON.serialize(doc.get("message")).getBytes();
    }

    //fill alpha attributes
    Attributes alpha = new Attributes();
    DBObject alphaList = (DBObject) doc.get("alpha");
    for (String key : alphaList.keySet()) {
        //String key = dbObj.keySet().iterator().next();
        alpha.add(key, inflateType(alphaList.get(key)));
    }
    pp.alpha = alpha;

    //fill beta attributes
    Attributes beta = new Attributes();
    DBObject betaList = (DBObject) doc.get("beta");
    for (String key : betaList.keySet()) {
        //String key = dbObj.keySet().iterator().next();
        beta.add(key, inflateType(betaList.get(key)));
    }
    pp.beta = beta;

    return pp;
}

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From source file:ch.windmobile.server.social.mongodb.AuthenticationServiceImpl.java

License:Open Source License

@Override
public String authenticate(final String email, final Object password) throws AuthenticationServiceException {
    if (password == null) {
        throw new IllegalArgumentException("Password cannot be null");
    }/*from   w ww.  j ava2  s. com*/
    DBCollection col = db.getCollection(MongoDBConstants.COLLECTION_USERS);
    // Search user by email
    DBObject user = col.findOne(new BasicDBObject(MongoDBConstants.USER_PROP_EMAIL, email));
    if (user != null) {
        String b64 = (String) user.get(MongoDBConstants.USER_PROP_SHA1);
        try {
            boolean ok = AuthenticationServiceUtil.validateSHA1(email, password.toString(), b64);
            if (ok) {
                return (String) user.get(MongoDBConstants.USER_PROP_ROLE);
            } else {
                throw new AuthenticationService.AuthenticationServiceException("Invalid password");
            }
        } catch (NoSuchAlgorithmException e) {
            throw new AuthenticationService.AuthenticationServiceException(
                    "Unexcepted error : " + e.getMessage());
        }
    }
    throw new AuthenticationService.AuthenticationServiceException("User not found");
}

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From source file:ch.windmobile.server.social.mongodb.ChatServiceImpl.java

License:Open Source License

@Override
public Messages findMessages(String chatRoomId, int maxCount) {
    if (maxCount <= 0) {
        throw new IllegalArgumentException("maxCount arg[1] must be greater than 0");
    }//from   w  ww . j  a  v a2  s .c  o m
    final String collectionName = computeCollectionName(chatRoomId);

    final DBObject fields = BasicDBObjectBuilder.start("_id", 1).add(MongoDBConstants.CHAT_PROP_USER, 1)
            .add(MongoDBConstants.CHAT_PROP_TEXT, 1).add(MongoDBConstants.CHAT_PROP_TIME, 1)
            .add(MongoDBConstants.CHAT_PROP_EMAIL_HASH, 1).get();
    DBCursor result = db.getCollection(collectionName).find(null, fields)
            .sort(new BasicDBObject("$natural", -1)).limit(maxCount);
    List<DBObject> all = result.toArray();

    Messages messages = new Messages();
    for (DBObject dbObject : all) {
        Message message = new Message();
        message.setId(dbObject.get("_id").toString());
        DateTime dateTime = ISODateTimeFormat.dateTime().parseDateTime((String) dbObject.get("time"));
        message.setDate(dateTime);
        message.setPseudo((String) dbObject.get(MongoDBConstants.CHAT_PROP_USER));
        message.setText((String) dbObject.get(MongoDBConstants.CHAT_PROP_TEXT));
        message.setEmailHash((String) dbObject.get(MongoDBConstants.CHAT_PROP_EMAIL_HASH));

        messages.getMessages().add(message);
    }
    return messages;
}

---

From source file:ch.windmobile.server.social.mongodb.UserServiceImpl.java

License:Open Source License

private User createUser(DBObject dbObject) {
    User user = new User();
    user.setEmail((String) dbObject.get(MongoDBConstants.USER_PROP_EMAIL));
    user.setPseudo((String) dbObject.get(MongoDBConstants.USER_PROP_PSEUDO));
    user.setFullName((String) dbObject.get(MongoDBConstants.USER_PROP_FULLNAME));
    user.setRole((String) dbObject.get(MongoDBConstants.USER_PROP_ROLE));
    return user;/*  w  w  w  .j a v a 2 s . c o m*/
}

---

From source file:ch.windmobile.server.social.mongodb.UserServiceImpl.java

License:Open Source License

@Override
public List<Favorite> getFavorites(String email) throws UserNotFound {
    if (email == null) {
        throw new IllegalArgumentException("Email cannot be null");
    }/*from ww w  .  ja v a  2  s .c o m*/
    DBCollection col = db.getCollection(MongoDBConstants.COLLECTION_USERS);
    // Search user by email
    DBObject userDb = col.findOne(new BasicDBObject(MongoDBConstants.USER_PROP_EMAIL, email));
    if (userDb == null) {
        throw new UserNotFound("Unable to find user with email '" + email + "'");
    }

    DBObject favoritesDb = (DBObject) userDb.get(MongoDBConstants.USER_PROP_FAVORITES);
    if (favoritesDb == null) {
        favoritesDb = new BasicDBObject();

        userDb.put(MongoDBConstants.USER_PROP_FAVORITES, favoritesDb);
        col.save(userDb);
    }

    List<Favorite> returnValue = new ArrayList<Favorite>(favoritesDb.keySet().size());
    for (String stationId : favoritesDb.keySet()) {
        Favorite favorite = new Favorite();
        favorite.setStationId(stationId);
        DBObject favoriteItemsDb = (DBObject) favoritesDb.get(stationId);
        favorite.setLastMessageId(
                (Long) favoriteItemsDb.get(MongoDBConstants.USER_PROP_FAVORITE_LASTMESSAGEID));
        returnValue.add(favorite);
    }
    return returnValue;
}

---

From source file:ch.windmobile.server.social.mongodb.UserServiceImpl.java

License:Open Source License

@Override
public List<Favorite> addToFavorites(String email, List<Favorite> localFavorites) throws UserNotFound {
    if (email == null) {
        throw new IllegalArgumentException("Email cannot be null");
    }/*  w  ww  . j a v a  2  s. c  o m*/
    DBCollection col = db.getCollection(MongoDBConstants.COLLECTION_USERS);
    // Search user by email
    DBObject userDb = col.findOne(new BasicDBObject(MongoDBConstants.USER_PROP_EMAIL, email));
    if (userDb == null) {
        throw new UserNotFound("Unable to find user with email '" + email + "'");
    }

    DBObject favoritesDb = (DBObject) userDb.get(MongoDBConstants.USER_PROP_FAVORITES);
    if (favoritesDb == null) {
        favoritesDb = new BasicDBObject();
    }

    if (localFavorites != null) {
        for (Favorite localFavorite : localFavorites) {
            DBObject favoriteItemsDb = (DBObject) favoritesDb.get(localFavorite.getStationId());
            long lastMessageIdDb = -1;
            if (favoriteItemsDb == null) {
                favoriteItemsDb = new BasicDBObject();
            } else {
                if (favoriteItemsDb.containsField(MongoDBConstants.USER_PROP_FAVORITE_LASTMESSAGEID)) {
                    lastMessageIdDb = (Long) favoriteItemsDb
                            .get(MongoDBConstants.USER_PROP_FAVORITE_LASTMESSAGEID);
                }
            }

            favoriteItemsDb.put(MongoDBConstants.USER_PROP_FAVORITE_LASTMESSAGEID,
                    Math.max(lastMessageIdDb, localFavorite.getLastMessageId()));
            favoritesDb.put(localFavorite.getStationId(), favoriteItemsDb);
        }
    }
    userDb.put(MongoDBConstants.USER_PROP_FAVORITES, favoritesDb);
    col.save(userDb);

    List<Favorite> returnValue = new ArrayList<Favorite>(favoritesDb.keySet().size());
    for (String stationId : favoritesDb.keySet()) {
        Favorite favorite = new Favorite();
        favorite.setStationId(stationId);
        DBObject favoriteItemDb = (DBObject) favoritesDb.get(stationId);
        favorite.setLastMessageId((Long) favoriteItemDb.get(MongoDBConstants.USER_PROP_FAVORITE_LASTMESSAGEID));
        returnValue.add(favorite);
    }
    return returnValue;
}

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From source file:ch.windmobile.server.social.mongodb.UserServiceImpl.java

License:Open Source License

@Override
public List<Favorite> removeFromFavorites(String email, List<Favorite> favoritesToRemove) throws UserNotFound {
    if (email == null) {
        throw new IllegalArgumentException("Email cannot be null");
    }//  w  w  w.  ja v  a  2 s .  c  o  m
    DBCollection col = db.getCollection(MongoDBConstants.COLLECTION_USERS);
    // Search user by email
    DBObject userDb = col.findOne(new BasicDBObject(MongoDBConstants.USER_PROP_EMAIL, email));
    if (userDb == null) {
        throw new UserNotFound("Unable to find user with email '" + email + "'");
    }

    DBObject favoritesDb = (DBObject) userDb.get(MongoDBConstants.USER_PROP_FAVORITES);
    if (favoritesDb == null) {
        favoritesDb = new BasicDBObject();
    }

    if (favoritesToRemove != null) {
        for (Favorite favoriteToRemove : favoritesToRemove) {
            DBObject favoriteItemsDb = (DBObject) favoritesDb.get(favoriteToRemove.getStationId());
            if (favoriteItemsDb != null) {
                favoritesDb.removeField(favoriteToRemove.getStationId());
            }
        }
    }
    userDb.put(MongoDBConstants.USER_PROP_FAVORITES, favoritesDb);
    col.save(userDb);

    List<Favorite> returnValue = new ArrayList<Favorite>(favoritesDb.keySet().size());
    for (String stationId : favoritesDb.keySet()) {
        Favorite favorite = new Favorite();
        favorite.setStationId(stationId);
        DBObject favoriteItemDb = (DBObject) favoritesDb.get(stationId);
        favorite.setLastMessageId((Long) favoriteItemDb.get(MongoDBConstants.USER_PROP_FAVORITE_LASTMESSAGEID));
        returnValue.add(favorite);
    }
    return returnValue;
}

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From source file:clustering.ClusteringArtists.java

public static void main(String[] args) throws UnknownHostException {

    ArrayList<Artist> artArr = new ArrayList<Artist>();

    DBHelper dbHelper = DBHelper.getInstance();
    DBCursor artists = dbHelper.findAllArtistsWithFB();
    while (artists.hasNext()) {
        DBObject currentArtist = artists.next();
        artArr.add(/* ww w . j a  va  2  s  . com*/
                new Artist((ObjectId) currentArtist.get("_id"), (Integer) currentArtist.get("facebook_likes")));
    }

    Collections.sort(artArr);

    parse(artArr, 1);
    merge_clusters(5);
    print_clusters();

}

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From source file:clustering.ClusteringArtistsTW.java

public static void main(String[] args) throws UnknownHostException {

    new Integer(5).doubleValue();

    ArrayList<ArtistTW> artArr = new ArrayList<ArtistTW>();

    DBHelper dbHelper = DBHelper.getInstance();
    DBCursor artists = dbHelper.findAllArtistsWithTW();
    while (artists.hasNext()) {
        DBObject currentArtist = artists.next();
        //System.out.println(currentArtist);            
        String twf = currentArtist.get("twitter_followers").toString();
        StringTokenizer st = new StringTokenizer(twf, ".");
        int twfint = Integer.parseInt(st.nextToken());
        System.out.println(twfint);
        ArtistTW artist = new ArtistTW((ObjectId) currentArtist.get("_id"), twfint);
        artArr.add(artist);//from   w w  w  .j a  v a 2s  .  co  m
    }

    Collections.sort(artArr);

    parse(artArr, 1);
    merge_clusters(6);
    print_clusters();

}

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