Example usage for com.mongodb.util JSON serialize

Introduction

In this page you can find the example usage for com.mongodb.util JSON serialize.

Prototype

public static String serialize(final Object object)

Source Link

Document

Serializes an object into its JSON form.

This method delegates serialization to JSONSerializers.getLegacy

Usage

From source file:ezbake.training.MongoDbServlet.java

License:Apache License

/**
 * Creates a text index on the "text" field if it doesn't exist
 *
 * @throws TException/*from   w w  w.j a v a  2  s . c o m*/
 */
private void createTextIndex(MongoDatasetClient client) throws TException {
    boolean hasTextIndex = false;
    String namespace = null;

    logger.info("getting index info..");

    List<String> indexList = client.getIndexInfo(COLLECTION_NAME);
    for (String index : indexList) {
        logger.info("we have an index: {}", index);

        DBObject indexObj = (DBObject) JSON.parse(index);
        String indexName = (String) indexObj.get("name");
        if (namespace == null) {
            namespace = (String) indexObj.get("ns");
        }

        if (indexName.equals(TWEET_TEXT_FIELD_NAME + "_text")) {
            hasTextIndex = true;
        }
    }

    if (!hasTextIndex) {
        DBObject obj = new BasicDBObject();
        // we are putting a text index on the "text" field in the mongo collection
        obj.put(TWEET_TEXT_FIELD_NAME, "text");
        String jsonKeys = JSON.serialize(obj);

        logger.info("creating text index with jsonKeys: {}, COLLECTION_NAME: {}", jsonKeys, COLLECTION_NAME);

        client.createIndex(COLLECTION_NAME, jsonKeys, null);

        logger.info("MongoDbServlet: created text index: {}", jsonKeys);
    } else {
        logger.info("MongoDbServlet: we already have the text index.");
    }
}

From source file:fr.wseduc.mongodb.MongoQueryBuilder.java

License:Apache License

public static JsonObject build(QueryBuilder queryBuilder) {
    DBObject dbo = queryBuilder.get();
    return new JsonObject(JSON.serialize(dbo));
}

From source file:jahspotify.storage.statistics.MongoDBHistoricalStorage.java

License:Apache License

@Override
public TrackHistory getHistory(final Link trackLink) {
    final DBCollection tracks = _db.getCollection("history");

    final DBObject query = new BasicDBObject("id", trackLink.getUri());

    final DBCursor dbObjects = tracks.find(query);

    if (dbObjects.size() == 1) {
        return _gson.fromJson(JSON.serialize(dbObjects.next()), TrackHistory.class);
    }//from   w  w w  .  j  a  va2 s  .c om

    return null;
}

From source file:jahspotify.storage.statistics.MongoDBHistoricalStorage.java

License:Apache License

@Override
public TrackStatistics getTrackStatistics(final Link trackLink) {
    final DBCollection tracks = _db.getCollection("history");

    final BasicDBObject query = new BasicDBObject();
    query.put("trackLink.id", trackLink.getId());
    final DBCursor dbObjects = tracks.find(query);
    final BasicDBObject orderBy = new BasicDBObject();
    orderBy.put("startTime", -1);

    dbObjects.sort(orderBy);// w  w w.j  a  v  a2 s.  c o  m

    TrackStatistics trackStatistics = new TrackStatistics();

    int numCompleted = 0;
    int numSkipped = 0;
    int totalSecondsPlayed = 0;

    if (dbObjects.hasNext()) {
        final TrackHistory trackHistory = _gson.fromJson(JSON.serialize(dbObjects.next()), TrackHistory.class);
        trackStatistics.setTrackLink(trackHistory.getTrackLink());
        trackStatistics.setLastPlayed(trackHistory.getStartTime());
        totalSecondsPlayed += trackHistory.getSecondsPlayed();
        numSkipped += trackHistory.isCompleteTrackPlayed() ? 0 : 1;
        numCompleted += trackHistory.isCompleteTrackPlayed() ? 1 : 0;

        if (!dbObjects.hasNext()) {
            trackStatistics.setFirstPlayed(trackHistory.getStartTime());
        }
    }

    while (dbObjects.hasNext()) {
        final TrackHistory trackHistory = _gson.fromJson(JSON.serialize(dbObjects.next()), TrackHistory.class);
        totalSecondsPlayed += trackHistory.getSecondsPlayed();
        numSkipped += trackHistory.isCompleteTrackPlayed() ? 0 : 1;
        numCompleted += trackHistory.isCompleteTrackPlayed() ? 1 : 0;

        if (!dbObjects.hasNext()) {
            trackStatistics.setFirstPlayed(trackHistory.getStartTime());
        }

    }

    trackStatistics.setNumTimesCompleted(numCompleted);
    trackStatistics.setNumTimesSkipped(numSkipped);
    trackStatistics.setNumTimesPlayed(numCompleted + numSkipped);
    trackStatistics.setTotalPlaytime(totalSecondsPlayed);

    return trackStatistics;
}

From source file:jahspotify.storage.statistics.MongoDBHistoryCursor.java

License:Apache License

@Override
public TrackHistory next() {
    return _gson.fromJson(JSON.serialize(_dbObjects.next()), TrackHistory.class);
}

From source file:me.lightspeed7.mongofs.gridfs.GridFSFile.java

License:Apache License

@Override
public String toString() {

    return JSON.serialize(this);
}

From source file:me.tfeng.play.mongodb.MongoDbTypeConverter.java

License:Apache License

public static <S, T> T convertFromMongoDbType(Class<T> dataClass, S object) {
    if (object == null) {
        return null;
    } else if (dataClass.isInstance(object)) {
        return dataClass.cast(object);
    } else {/*w  w w  .  j  a va  2 s  .co  m*/
        @SuppressWarnings("unchecked")
        Converter<S, T> converter = (Converter<S, T>) CONVERTER_MAP
                .get(ImmutablePair.of(object.getClass(), dataClass));
        if (converter != null) {
            return converter.convertFromMongoDbType(object);
        } else if (String.class.isAssignableFrom(dataClass) && object instanceof DBObject) {
            return dataClass.cast(JSON.serialize(object));
        } else {
            return null;
        }
    }
}

From source file:nosqltools.DBConnection.java

/**
 * This method returns JSON data found in the collection to be loaded in Panel_Text
 * /* w  ww . java2  s.  co m*/
 */
public StringBuilder getCollectionData(String coll) {
    StringBuilder res = new StringBuilder();
    if (checkSystemColl(coll)) {
        collection = db.getCollection(coll);
        DBCursor cursor = collection.find();
        //Reference: http://www.codeconfuse.com/2014/03/mongodb-convert-data-getting-from.html
        JSON json = new JSON();
        String serialize = json.serialize(cursor);
        System.out.println(serialize);
        res.append(serialize);
    } else {
        res = null;
    }

    return res;
}

From source file:org.alfresco.bm.api.v1.ResultsRestAPI.java

License:Open Source License

@GET
@Path("/eventNames")
@Produces(MediaType.APPLICATION_JSON)/*from  w  w w. j  a  v a2  s.  com*/
public String getEventResultEventNames() {
    final BasicDBList events = new BasicDBList();

    // always add the "all events" name in the first position
    events.add(ALL_EVENT_NAMES);

    // distinct get all recorded event names from Mongo
    List<String> eventNames = getResultService().getEventNames();
    for (String eventName : eventNames) {
        events.add(eventName);
    }

    return JSON.serialize(events);
}

From source file:org.alfresco.bm.api.v1.ResultsRestAPI.java

License:Open Source License

@GET
@Path("/allEventsFilterName")
@Produces(MediaType.APPLICATION_JSON)//from   w  ww  .ja  v  a2s. com
public String getAllEventsFilterName() {
    final BasicDBList events = new BasicDBList();
    events.add(ALL_EVENT_NAMES);
    return JSON.serialize(events);
}