Example usage for com.google.gson JsonArray add

List of usage examples for com.google.gson JsonArray add

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Introduction

In this page you can find the example usage for com.google.gson JsonArray add.

Prototype

public void add(JsonElement element)

Source Link

Document

Adds the specified element to self.

Usage

From source file:com.google.samples.apps.iosched.server.schedule.model.DataExtractor.java

License:Open Source License

public JsonArray extractRooms(JsonDataSources sources) {
    HashSet<String> ids = new HashSet<String>();
    JsonArray result = new JsonArray();
    JsonDataSource source = sources.getSource(InputJsonKeys.VendorAPISource.MainTypes.rooms.name());
    if (source != null) {
        for (JsonObject origin : source) {
            JsonObject dest = new JsonObject();
            JsonElement originalId = get(origin, InputJsonKeys.VendorAPISource.Rooms.id);
            String id = Config.ROOM_MAPPING.getRoomId(originalId.getAsString());
            if (!ids.contains(id)) {
                String title = Config.ROOM_MAPPING.getTitle(id,
                        get(origin, InputJsonKeys.VendorAPISource.Rooms.name).getAsString());
                set(new JsonPrimitive(id), dest, OutputJsonKeys.Rooms.id);
                set(originalId, dest, OutputJsonKeys.Rooms.original_id);
                set(new JsonPrimitive(title), dest, OutputJsonKeys.Rooms.name);
                result.add(dest);
                ids.add(id);//from w ww. j  a  v  a2  s.  c  o  m
            }
        }
    }
    if (Config.DEBUG_FIX_DATA) {
        DebugDataExtractorHelper.changeRooms(result);
    }
    return result;
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DataExtractor.java

License:Open Source License

public JsonArray extractTags(JsonDataSources sources) {
    JsonArray result = new JsonArray();
    JsonDataSource source = sources.getSource(InputJsonKeys.VendorAPISource.MainTypes.categories.name());
    JsonDataSource tagCategoryMappingSource = sources
            .getSource(InputJsonKeys.ExtraSource.MainTypes.tag_category_mapping.name());
    JsonDataSource tagsConfSource = sources.getSource(InputJsonKeys.ExtraSource.MainTypes.tag_conf.name());

    categoryToTagMap = new HashMap<String, JsonObject>();

    // Only for checking duplicates.
    HashSet<String> originalTagNames = new HashSet<String>();

    if (source != null) {
        for (JsonObject origin : source) {
            JsonObject dest = new JsonObject();

            // set tag category, looking for parentid in the tag_category_mapping data source
            JsonElement parentId = get(origin, InputJsonKeys.VendorAPISource.Categories.parentid);

            // Ignore categories with null parents, because they are roots (tag categories).
            if (parentId != null && !parentId.getAsString().equals("")) {
                JsonElement category = null;
                if (tagCategoryMappingSource != null) {
                    JsonObject categoryMapping = tagCategoryMappingSource
                            .getElementById(parentId.getAsString());
                    if (categoryMapping != null) {
                        category = get(categoryMapping, InputJsonKeys.ExtraSource.CategoryTagMapping.tag_name);
                        JsonPrimitive isDefault = (JsonPrimitive) get(categoryMapping,
                                InputJsonKeys.ExtraSource.CategoryTagMapping.is_default);
                        if (isDefault != null && isDefault.getAsBoolean()) {
                            mainCategory = category;
                        }/*from  w w  w.  j av a  2s.  c o  m*/
                    }
                    set(category, dest, OutputJsonKeys.Tags.category);
                }

                // Ignore categories unrecognized parents (no category)
                if (category == null) {
                    continue;
                }

                // Tag name is by convention: "TAGCATEGORY_TAGNAME"
                JsonElement name = get(origin, InputJsonKeys.VendorAPISource.Categories.name);
                JsonElement tagName = new JsonPrimitive(
                        category.getAsString() + "_" + Converters.TAG_NAME.convert(name).getAsString());
                JsonElement originalTagName = tagName;

                if (obfuscate) {
                    name = Converters.OBFUSCATE.convert(name);
                    tagName = new JsonPrimitive(
                            category.getAsString() + "_" + Converters.TAG_NAME.convert(name).getAsString());
                }

                set(tagName, dest, OutputJsonKeys.Tags.tag);
                set(name, dest, OutputJsonKeys.Tags.name);
                set(origin, InputJsonKeys.VendorAPISource.Categories.id, dest, OutputJsonKeys.Tags.original_id);
                set(origin, InputJsonKeys.VendorAPISource.Categories.description, dest,
                        OutputJsonKeys.Tags._abstract, obfuscate ? Converters.OBFUSCATE : null);

                if (tagsConfSource != null) {
                    JsonObject tagConf = tagsConfSource.getElementById(originalTagName.getAsString());
                    if (tagConf != null) {
                        set(tagConf, InputJsonKeys.ExtraSource.TagConf.order_in_category, dest,
                                OutputJsonKeys.Tags.order_in_category);
                        set(tagConf, InputJsonKeys.ExtraSource.TagConf.color, dest, OutputJsonKeys.Tags.color);
                        set(tagConf, InputJsonKeys.ExtraSource.TagConf.hashtag, dest,
                                OutputJsonKeys.Tags.hashtag);
                    }
                }

                categoryToTagMap.put(get(origin, InputJsonKeys.VendorAPISource.Categories.id).getAsString(),
                        dest);
                if (originalTagNames.add(originalTagName.getAsString())) {
                    result.add(dest);
                }
            }
        }
    }
    if (Config.DEBUG_FIX_DATA) {
        DebugDataExtractorHelper.changeCategories(categoryToTagMap, result);
    }
    return result;
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DataExtractor.java

License:Open Source License

public JsonArray extractSpeakers(JsonDataSources sources) {
    speakersById = new HashMap<String, JsonObject>();
    JsonArray result = new JsonArray();
    JsonDataSource source = sources.getSource(InputJsonKeys.VendorAPISource.MainTypes.speakers.name());
    if (source != null) {
        for (JsonObject origin : source) {
            JsonObject dest = new JsonObject();
            JsonElement id = get(origin, InputJsonKeys.VendorAPISource.Speakers.id);
            set(id, dest, OutputJsonKeys.Speakers.id);
            set(origin, InputJsonKeys.VendorAPISource.Speakers.name, dest, OutputJsonKeys.Speakers.name,
                    obfuscate ? Converters.OBFUSCATE : null);
            set(origin, InputJsonKeys.VendorAPISource.Speakers.bio, dest, OutputJsonKeys.Speakers.bio,
                    obfuscate ? Converters.OBFUSCATE : null);
            set(origin, InputJsonKeys.VendorAPISource.Speakers.companyname, dest,
                    OutputJsonKeys.Speakers.company, obfuscate ? Converters.OBFUSCATE : null);
            JsonElement originalPhoto = get(origin, InputJsonKeys.VendorAPISource.Speakers.photo);
            if (originalPhoto != null && !"".equals(originalPhoto.getAsString())) {
                // Note that the input for SPEAKER_PHOTO_ID converter is the entity ID. We simply ignore the original
                // photo URL, because that will be processed by an offline cron script, resizing the
                // photos and saving them to a known location with the entity ID as its base name.
                set(origin, InputJsonKeys.VendorAPISource.Speakers.id, dest,
                        OutputJsonKeys.Speakers.thumbnailUrl, Converters.SPEAKER_PHOTO_URL);
            }/* w  ww . java 2  s.co m*/
            JsonElement info = origin.get(InputJsonKeys.VendorAPISource.Speakers.info.name());
            JsonPrimitive plusUrl = getMapValue(info,
                    InputJsonKeys.VendorAPISource.Speakers.INFO_PUBLIC_PLUS_ID, Converters.GPLUS_URL, null);
            if (plusUrl != null) {
                set(plusUrl, dest, OutputJsonKeys.Speakers.plusoneUrl);
            }
            JsonPrimitive twitter = getMapValue(info,
                    InputJsonKeys.VendorAPISource.Speakers.INFO_PUBLIC_TWITTER, Converters.TWITTER_URL, null);
            if (twitter != null) {
                set(twitter, dest, OutputJsonKeys.Speakers.twitterUrl);
            }
            result.add(dest);
            speakersById.put(id.getAsString(), dest);
        }
    }
    return result;
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DataExtractor.java

License:Open Source License

public JsonArray extractSessions(JsonDataSources sources) {
    if (videoSessionsById == null) {
        throw new IllegalStateException(
                "You need to extract video sessions before attempting to extract sessions");
    }/*  w  ww.  ja va 2s.c o m*/
    if (categoryToTagMap == null) {
        throw new IllegalStateException("You need to extract tags before attempting to extract sessions");
    }

    JsonArray result = new JsonArray();
    JsonDataSource source = sources.getSource(InputJsonKeys.VendorAPISource.MainTypes.topics.name());
    if (source != null) {
        for (JsonObject origin : source) {
            if (isVideoSession(origin)) {
                // Sessions with the Video tag are processed as video library content
                continue;
            }
            if (isHiddenSession(origin)) {
                // Sessions with a "Hidden from schedule" flag should be ignored
                continue;
            }
            JsonElement title = get(origin, InputJsonKeys.VendorAPISource.Topics.title);
            // Since the CMS returns an empty keynote as a session, we need to ignore it
            if (title != null && title.isJsonPrimitive() && "keynote".equalsIgnoreCase(title.getAsString())) {
                continue;
            }
            JsonObject dest = new JsonObject();

            // Some sessions require a special ID, so we replace it here...
            if (title != null && title.isJsonPrimitive()
                    && "after hours".equalsIgnoreCase(title.getAsString())) {
                set(new JsonPrimitive("__afterhours__"), dest, OutputJsonKeys.Sessions.id);
            } else {
                set(origin, InputJsonKeys.VendorAPISource.Topics.id, dest, OutputJsonKeys.Sessions.id);
            }
            set(origin, InputJsonKeys.VendorAPISource.Topics.id, dest, OutputJsonKeys.Sessions.url,
                    Converters.SESSION_URL);
            set(origin, InputJsonKeys.VendorAPISource.Topics.title, dest, OutputJsonKeys.Sessions.title,
                    obfuscate ? Converters.OBFUSCATE : null);
            set(origin, InputJsonKeys.VendorAPISource.Topics.description, dest,
                    OutputJsonKeys.Sessions.description, obfuscate ? Converters.OBFUSCATE : null);
            set(origin, InputJsonKeys.VendorAPISource.Topics.start, dest,
                    OutputJsonKeys.Sessions.startTimestamp, Converters.DATETIME);
            set(origin, InputJsonKeys.VendorAPISource.Topics.finish, dest, OutputJsonKeys.Sessions.endTimestamp,
                    Converters.DATETIME);
            set(new JsonPrimitive(isFeatured(origin)), dest, OutputJsonKeys.Sessions.isFeatured);

            JsonElement documents = get(origin, InputJsonKeys.VendorAPISource.Topics.documents);
            if (documents != null && documents.isJsonArray() && documents.getAsJsonArray().size() > 0) {
                // Note that the input for SessionPhotoURL is the entity ID. We simply ignore the original
                // photo URL, because that will be processed by an offline cron script, resizing the
                // photos and saving them to a known location with the entity ID as its base name.
                set(origin, InputJsonKeys.VendorAPISource.Topics.id, dest, OutputJsonKeys.Sessions.photoUrl,
                        Converters.SESSION_PHOTO_URL);
            }

            setVideoPropertiesInSession(origin, dest);
            setRelatedContent(origin, dest);

            JsonElement mainTag = null;
            JsonElement hashtag = null;
            JsonElement mainTagColor = null;
            JsonArray categories = origin
                    .getAsJsonArray(InputJsonKeys.VendorAPISource.Topics.categoryids.name());
            JsonArray tags = new JsonArray();
            for (JsonElement category : categories) {
                JsonObject tag = categoryToTagMap.get(category.getAsString());
                if (tag != null) {
                    JsonElement tagName = get(tag, OutputJsonKeys.Tags.tag);
                    tags.add(tagName);
                    usedTags.add(tagName.getAsString());

                    if (mainTag == null) {
                        // check if the tag is from a "default" category. For example, if THEME is the default
                        // category, all sessions will have a "mainTag" property set to the first tag of type THEME
                        JsonElement tagCategory = get(tag, OutputJsonKeys.Tags.category); // THEME, TYPE or TOPIC
                        if (tagCategory.equals(mainCategory)) {
                            mainTag = tagName;
                            mainTagColor = get(tag, OutputJsonKeys.Tags.color);
                        }
                        if (hashtag == null && isHashtag(tag)) {
                            hashtag = get(tag, OutputJsonKeys.Tags.hashtag);
                            if (hashtag == null || hashtag.getAsString() == null
                                    || hashtag.getAsString().isEmpty()) {
                                // If no hashtag set in the tagsconf file, we will convert the tagname to find one:
                                hashtag = new JsonPrimitive(
                                        get(tag, OutputJsonKeys.Tags.name, Converters.TAG_NAME).getAsString()
                                                .toLowerCase());
                            }
                        }
                    }
                }
            }
            set(tags, dest, OutputJsonKeys.Sessions.tags);
            if (mainTag != null) {
                set(mainTag, dest, OutputJsonKeys.Sessions.mainTag);
            }
            if (mainTagColor != null) {
                set(mainTagColor, dest, OutputJsonKeys.Sessions.color);
            }
            if (hashtag != null) {
                set(hashtag, dest, OutputJsonKeys.Sessions.hashtag);
            }

            JsonArray speakers = getAsArray(origin, InputJsonKeys.VendorAPISource.Topics.speakerids);
            if (speakers != null)
                for (JsonElement speaker : speakers) {
                    String speakerId = speaker.getAsString();
                    usedSpeakers.add(speakerId);
                }
            set(speakers, dest, OutputJsonKeys.Sessions.speakers);

            JsonArray sessions = origin.getAsJsonArray(InputJsonKeys.VendorAPISource.Topics.sessions.name());
            if (sessions != null && sessions.size() > 0) {
                String roomId = get(sessions.get(0).getAsJsonObject(),
                        InputJsonKeys.VendorAPISource.Sessions.roomid).getAsString();
                roomId = Config.ROOM_MAPPING.getRoomId(roomId);
                set(new JsonPrimitive(roomId), dest, OutputJsonKeys.Sessions.room);

                // captions URL is set based on the session room, so keep it here.
                String captionsURL = Config.ROOM_MAPPING.getCaptions(roomId);
                if (captionsURL != null) {
                    set(new JsonPrimitive(captionsURL), dest, OutputJsonKeys.Sessions.captionsUrl);
                }
            }

            if (Config.DEBUG_FIX_DATA) {
                DebugDataExtractorHelper.changeSession(dest, usedTags);
            }
            result.add(dest);
        }
    }
    return result;
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DataExtractor.java

License:Open Source License

public JsonArray extractVideoSessions(JsonDataSources sources) {
    videoSessionsById = new HashMap<String, JsonObject>();
    if (categoryToTagMap == null) {
        throw new IllegalStateException("You need to extract tags before attempting to extract video sessions");
    }/*w  w  w.j a va 2s.co m*/
    if (speakersById == null) {
        throw new IllegalStateException(
                "You need to extract speakers before attempting to extract video sessions");
    }

    JsonArray result = new JsonArray();
    JsonDataSource source = sources.getSource(InputJsonKeys.VendorAPISource.MainTypes.topics.name());
    if (source != null) {
        for (JsonObject origin : source) {

            if (!isVideoSession(origin)) {
                continue;
            }
            if (isHiddenSession(origin)) {
                // Sessions with a "Hidden from schedule" flag should be ignored
                continue;
            }

            JsonObject dest = new JsonObject();

            JsonPrimitive vid = setVideoForVideoSession(origin, dest);

            JsonElement id = get(origin, InputJsonKeys.VendorAPISource.Topics.id);
            // video library id must be the Youtube video id
            set(vid, dest, OutputJsonKeys.VideoLibrary.id);
            set(origin, InputJsonKeys.VendorAPISource.Topics.title, dest, OutputJsonKeys.VideoLibrary.title,
                    obfuscate ? Converters.OBFUSCATE : null);
            set(origin, InputJsonKeys.VendorAPISource.Topics.description, dest,
                    OutputJsonKeys.VideoLibrary.desc, obfuscate ? Converters.OBFUSCATE : null);
            set(new JsonPrimitive(Config.CONFERENCE_YEAR), dest, OutputJsonKeys.VideoLibrary.year);

            JsonElement videoTopic = null;
            JsonArray categories = origin
                    .getAsJsonArray(InputJsonKeys.VendorAPISource.Topics.categoryids.name());
            for (JsonElement category : categories) {
                JsonObject tag = categoryToTagMap.get(category.getAsString());
                if (tag != null) {
                    if (isHashtag(tag)) {
                        videoTopic = get(tag, OutputJsonKeys.Tags.name);
                        // by definition, the first tag that can be a hashtag (usually a TOPIC) is considered the video tag
                        break;
                    }
                }
            }
            if (videoTopic != null) {
                set(videoTopic, dest, OutputJsonKeys.VideoLibrary.topic);
            }

            // Concatenate speakers:
            JsonArray speakers = getAsArray(origin, InputJsonKeys.VendorAPISource.Topics.speakerids);
            StringBuilder sb = new StringBuilder();
            if (speakers != null)
                for (int i = 0; i < speakers.size(); i++) {
                    String speakerId = speakers.get(i).getAsString();
                    usedSpeakers.add(speakerId);
                    JsonObject speaker = speakersById.get(speakerId);
                    if (speaker != null) {
                        sb.append(get(speaker, OutputJsonKeys.Speakers.name).getAsString());
                        if (i < speakers.size() - 1)
                            sb.append(", ");
                    }
                }
            set(new JsonPrimitive(sb.toString()), dest, OutputJsonKeys.VideoLibrary.speakers);
            videoSessionsById.put(id.getAsString(), dest);
            result.add(dest);
        }
    }
    return result;
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DataExtractor.java

License:Open Source License

private void setRelatedContent(JsonObject origin, JsonObject dest) {
    JsonArray related = getAsArray(origin, InputJsonKeys.VendorAPISource.Topics.related);
    JsonArray outputArray = new JsonArray();

    if (related == null) {
        return;//from   w w w.j a  v a  2  s. co  m
    }
    for (JsonElement el : related) {
        if (!el.isJsonObject()) {
            continue;
        }
        JsonObject obj = el.getAsJsonObject();
        if (!obj.has("name") || !obj.has("values")) {
            continue;
        }

        if (InputJsonKeys.VendorAPISource.Topics.RELATED_NAME_SESSIONS
                .equals(obj.getAsJsonPrimitive("name").getAsString())) {

            JsonElement values = obj.get("topics");
            if (!values.isJsonArray()) {
                continue;
            }

            // As per the data specification, related content is formatted as
            // "video1 title1\nvideo2 title2\n..."
            for (JsonElement topic : values.getAsJsonArray()) {
                if (!topic.isJsonObject()) {
                    continue;
                }

                JsonObject topicObj = topic.getAsJsonObject();

                String id = get(topicObj, InputJsonKeys.VendorAPISource.RelatedTopics.id).getAsString();
                String title = get(topicObj, InputJsonKeys.VendorAPISource.RelatedTopics.title).getAsString();

                if (id != null && title != null) {
                    JsonObject outputObj = new JsonObject();
                    set(new JsonPrimitive(id), outputObj, OutputJsonKeys.RelatedContent.id);
                    set(new JsonPrimitive(title), outputObj, OutputJsonKeys.RelatedContent.title);
                    outputArray.add(outputObj);
                }
            }
            set(outputArray, dest, OutputJsonKeys.Sessions.relatedContent);
        }
    }
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DebugDataExtractorHelper.java

License:Open Source License

public static final void changeRooms(JsonArray allRooms) {
    for (String room : rooms) {
        JsonObject dest = new JsonObject();
        JsonPrimitive roomId = new JsonPrimitive(room);
        JsonPrimitive roomName = new JsonPrimitive("Room " + room);
        DataModelHelper.set(roomId, dest, OutputJsonKeys.Rooms.id);
        DataModelHelper.set(roomName, dest, OutputJsonKeys.Rooms.name);
        allRooms.add(dest);
    }/*from www.j  a  va 2  s.  c om*/
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DebugDataExtractorHelper.java

License:Open Source License

public static final void changeCategories(HashMap<String, JsonObject> categoryToTagMap, JsonArray allTags) {
    topicTags = new ArrayList<JsonObject>();
    Iterator<Map.Entry<String, JsonObject>> it = categoryToTagMap.entrySet().iterator();
    while (it.hasNext()) {
        JsonObject tag = it.next().getValue();
        String category = tag.get(OutputJsonKeys.Tags.category.name()).getAsString();
        if ("TOPIC".equals(category)) {
            topicTags.add(tag);//from w w  w  . j av a 2  s .c  om
        } else {
            it.remove();
        }
    }
    for (JsonObject tag : themeTags) {
        allTags.add(tag);
    }
    for (JsonObject tag : typeTags) {
        allTags.add(tag);
    }
}

From source file:com.google.samples.apps.iosched.server.schedule.model.DebugDataExtractorHelper.java

License:Open Source License

public static final void changeSession(JsonObject session, Set<String> usedTags) {
    int hash = session.get(OutputJsonKeys.Sessions.id.name()).getAsString().hashCode();
    r.setSeed(hash);/*from   w  w  w  .j a  v  a2  s .  com*/

    // timeslot:
    int day = days[uniform(2)];
    int[] timeSlot = sessionTimes[uniform(sessionTimes.length)];
    Calendar start = new GregorianCalendar(2014, Calendar.JUNE, day, timeSlot[0], timeSlot[1], 0);
    Calendar end = new GregorianCalendar(2014, Calendar.JUNE, day, timeSlot[2], timeSlot[3], 0);
    long offset = TimeZone.getTimeZone("PST").getOffset(start.getTimeInMillis());
    start.setTimeInMillis(start.getTimeInMillis() - offset);
    end.setTimeInMillis(end.getTimeInMillis() - offset);
    String startS = formatter.format(start.getTime());
    String endS = formatter.format(end.getTime());

    DataModelHelper.set(new JsonPrimitive(startS), session, OutputJsonKeys.Sessions.startTimestamp);
    DataModelHelper.set(new JsonPrimitive(endS), session, OutputJsonKeys.Sessions.endTimestamp);

    // Room:
    DataModelHelper.set(new JsonPrimitive(rooms[uniform(rooms.length)]), session, OutputJsonKeys.Sessions.room);

    JsonArray tags = new JsonArray();

    // 2 random topic tags
    Collections.shuffle(topicTags, r); // not the most efficient, but good enough and avoid duplicates
    if (topicTags.size() > 0)
        tags.add(topicTags.get(0).get(OutputJsonKeys.Tags.tag.name()));
    if (topicTags.size() > 1)
        tags.add(topicTags.get(1).get(OutputJsonKeys.Tags.tag.name()));

    // 1 randomly distributed theme tag
    tags.add(themeTags[roullette(themeDistribution)].get(OutputJsonKeys.Tags.tag.name()));

    // 1 randomly distributed type tag
    tags.add(typeTags[roullette(typeDistribution)].get(OutputJsonKeys.Tags.tag.name()));

    for (JsonElement tag : tags) {
        usedTags.add(tag.getAsString());
    }
    DataModelHelper.set(tags, session, OutputJsonKeys.Sessions.tags);

    // Livestream
    boolean isLiveStream = uniform(2) == 1;
    if (isLiveStream) {
        DataModelHelper.set(new JsonPrimitive("https://www.youtube.com/watch?v=dQw4w9WgXcQ"), session,
                OutputJsonKeys.Sessions.youtubeUrl);
        DataModelHelper.set(new JsonPrimitive("http://www.google.com/humans.txt"), session,
                OutputJsonKeys.Sessions.captionsUrl);
        DataModelHelper.set(new JsonPrimitive(Boolean.TRUE), session, OutputJsonKeys.Sessions.isLivestream);
    } else {
        session.remove(OutputJsonKeys.Sessions.youtubeUrl.name());
        session.remove(OutputJsonKeys.Sessions.captionsUrl.name());
        DataModelHelper.set(new JsonPrimitive(Boolean.FALSE), session, OutputJsonKeys.Sessions.isLivestream);
    }
}

From source file:com.google.samples.apps.iosched.server.schedule.server.servlet.CMSUpdateServlet.java

License:Open Source License

private void process(HttpServletResponse resp, boolean showOnly) throws IOException {
    // everything ok, let's update
    StringBuilder summary = new StringBuilder();
    JsonObject contents = new JsonObject();
    JsonDataSources sources = new VendorDynamicInput().fetchAllDataSources();
    for (String entity : sources) {
        JsonArray array = new JsonArray();
        JsonDataSource source = sources.getSource(entity);
        for (JsonObject obj : source) {
            array.add(obj);
        }//from ww  w .j  ava 2 s  . c o m
        summary.append(entity).append(": ").append(source.size()).append("\n");
        contents.add(entity, array);
    }

    if (showOnly) {
        // Show generated contents to the output
        resp.setContentType("application/json");
        Writer writer = Channels.newWriter(Channels.newChannel(resp.getOutputStream()), "UTF-8");
        JsonWriter outputWriter = new JsonWriter(writer);
        outputWriter.setIndent("  ");
        new Gson().toJson(contents, outputWriter);
        outputWriter.flush();

    } else {
        // Write file to cloud storage
        CloudFileManager fileManager = new CloudFileManager();
        fileManager.createOrUpdate("__raw_session_data.json", contents, true);

        // send email
        Message message = new Message();
        message.setSender(Config.EMAIL_FROM);
        message.setSubject("[iosched-data-update] Manual sync from CMS");
        message.setTextBody("Hey,\n\n" + "(this message is autogenerated)\n" + "This is a heads up that "
                + userService.getCurrentUser().getEmail()
                + " has just updated the IOSched 2015 data from the Vendor CMS.\n\n"
                + "Here is a brief status of what has been extracted from the Vendor API:\n" + summary + "\n\n"
                + "If you want to check the most current data that will soon be sync'ed to the IOSched Android app, "
                + "check this link: http://storage.googleapis.com/iosched-updater-dev.appspot.com/__raw_session_data.json\n"
                + "This data will remain unchanged until someone with proper privileges updates it again on https://iosched-updater-dev.appspot.com/cmsupdate\n\n"
                + "Thanks!\n\n" + "A robot on behalf of the IOSched team!\n\n"
                + "PS: you are receiving this either because you are an admin of the IOSched project or "
                + "because you are in a hard-coded list of I/O organizers. If you don't want to "
                + "receive it anymore, pay me a beer and ask kindly.");
        MailServiceFactory.getMailService().sendToAdmins(message);

        resp.sendRedirect("/admin/schedule/updateok.html");
    }
}