Example usage for com.google.gson JsonElement getAsJsonArray

List of usage examples for com.google.gson JsonElement getAsJsonArray

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Introduction

In this page you can find the example usage for com.google.gson JsonElement getAsJsonArray.

Prototype

public JsonArray getAsJsonArray()

Source Link

Document

convenience method to get this element as a JsonArray .

Usage

From source file:com.google.iosched.model.DataModelHelper.java

License:Open Source License

public static JsonArray getAsArray(JsonObject source, Enum<?> sourceProperty) {
    if (source == null) {
        return null;
    }/*from   www  . j a va2  s.co  m*/
    JsonElement el = source.get(sourceProperty.name());
    if (el == null || !el.isJsonArray()) {
        return null;
    }
    return el.getAsJsonArray();
}

From source file:com.google.iosched.model.DataModelHelper.java

License:Open Source License

public static JsonPrimitive getMapValue(JsonElement map, String key, Converter converter,
        String defaultValueStr) {
    JsonPrimitive defaultValue = null;/*from   w ww  . j ava2  s  .co m*/
    if (defaultValueStr != null) {
        defaultValue = new JsonPrimitive(defaultValueStr);
        if (converter != null)
            defaultValue = converter.convert(defaultValue);
    }
    if (map == null || !map.isJsonArray()) {
        return defaultValue;
    }
    for (JsonElement el : map.getAsJsonArray()) {
        if (!el.isJsonObject()) {
            continue;
        }
        JsonObject obj = el.getAsJsonObject();
        if (!obj.has("name") || !obj.has("value")) {
            continue;
        }
        if (key.equals(obj.getAsJsonPrimitive("name").getAsString())) {
            JsonElement value = obj.get("value");
            if (!value.isJsonPrimitive()) {
                throw new ConverterException(value, converter, "Expected a JsonPrimitive");
            }
            if (converter != null)
                value = converter.convert(value);
            return value.getAsJsonPrimitive();
        }
    }
    return defaultValue;
}

From source file:com.google.iosched.server.input.DataSourceInput.java

License:Open Source License

public JsonArray fetch(EnumType entityType) throws IOException {
    JsonElement element = getFetcher().fetch(entityType, null);
    if (element == null) {
        return null;
    }/*from   w  ww  .  j  av a2s  .  c om*/
    if (element.isJsonArray()) {
        return element.getAsJsonArray();
    } else {
        throw new JsonParseException(
                "Invalid response from DataSourceInput. Expected " + "a JsonArray, but fetched "
                        + element.getClass().getName() + ". Entity fetcher is " + getFetcher());
    }
}

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");
    }/*from w  w  w.  j  a v a 2  s  . c om*/
    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

@Deprecated
private void setRelatedVideos(JsonObject origin, JsonObject dest) {
    JsonArray related = getAsArray(origin, InputJsonKeys.VendorAPISource.Topics.related);
    if (related == null) {
        return;//from   ww w  .j av  a 2s .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_VIDEO
                .equals(obj.getAsJsonPrimitive("name").getAsString())) {

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

            // As per the data specification, related content is formatted as
            // "video1 title1\nvideo2 title2\n..."
            StringBuilder relatedContentStr = new StringBuilder();
            for (JsonElement value : values.getAsJsonArray()) {
                String relatedSessionId = value.getAsString();
                JsonObject relatedVideo = videoSessionsById.get(relatedSessionId);
                if (relatedVideo != null) {
                    JsonElement vid = get(relatedVideo, OutputJsonKeys.VideoLibrary.vid);
                    JsonElement title = get(relatedVideo, OutputJsonKeys.VideoLibrary.title);
                    if (vid != null && title != null) {
                        relatedContentStr.append(vid.getAsString()).append(" ").append(title.getAsString())
                                .append("\n");
                    }
                }
            }
            set(new JsonPrimitive(relatedContentStr.toString()), dest, OutputJsonKeys.Sessions.relatedContent);
        }
    }
}

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 va  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.server.input.VendorDynamicInput.java

License:Open Source License

public JsonArray fetchArray(InputJsonKeys.VendorAPISource.MainTypes entityType, int page) throws IOException {

    HashMap<String, String> params = null;

    if (entityType.equals(InputJsonKeys.VendorAPISource.MainTypes.topics)
            || entityType.equals(InputJsonKeys.VendorAPISource.MainTypes.speakers)) {
        params = new HashMap<String, String>();

        // Topics and speakers require param "includeinfo=true" to bring extra data
        params.put("includeinfo", "true");

        if (entityType.equals(InputJsonKeys.VendorAPISource.MainTypes.topics)) {
            if (extractUnpublished) {
                params.put("minpublishstatus", "0");
            }//from w  w  w .  j  ava  2s  . com
        }
    }

    if (page == 0) {
        page = 1;
    } else if (page > 1) {
        if (params == null) {
            params = new HashMap<String, String>();
        }
        params.put("page", Integer.toString(page));
    }

    JsonElement element = getFetcher().fetch(entityType, params);

    if (element.isJsonArray()) {
        return element.getAsJsonArray();
    } else if (element.isJsonObject()) {
        // check if there are extra pages requiring further fetching
        JsonObject obj = element.getAsJsonObject();
        checkPagingConsistency(entityType, page, obj);

        int pageSize = obj.get("pagesize").getAsInt();
        int totalEntities = obj.get("total").getAsInt();
        JsonArray elements = getEntities(obj);
        if (page * pageSize < totalEntities) {
            // fetch the next page
            elements.addAll(fetchArray(entityType, page + 1));
        }
        return elements;
    } else {
        throw new JsonParseException("Invalid response from Vendor API. Request should return "
                + "either a JsonArray or a JsonObject, but returned " + element.getClass().getName()
                + ". Entity fetcher is " + getFetcher());
    }
}

From source file:com.google.wave.api.RobotSerializer.java

License:Apache License

/**
 * Deserializes operations. This method supports only the new JSON-RPC style
 * operations./*from ww w  .jav a  2s . c o  m*/
 *
 * @param jsonString the operations JSON string to deserialize.
 * @return a list of {@link OperationRequest},that represents the operations.
 * @throws InvalidRequestException if there is a problem deserializing the
 *     operations.
 */
public List<OperationRequest> deserializeOperations(String jsonString) throws InvalidRequestException {
    if (Util.isEmptyOrWhitespace(jsonString)) {
        return Collections.emptyList();
    }

    // Parse incoming operations.
    JsonArray requestsAsJsonArray = null;

    JsonElement json = null;
    try {
        json = jsonParser.parse(jsonString);
    } catch (JsonParseException e) {
        throw new InvalidRequestException("Couldn't deserialize incoming operations: " + jsonString, null, e);
    }

    if (json.isJsonArray()) {
        requestsAsJsonArray = json.getAsJsonArray();
    } else {
        requestsAsJsonArray = new JsonArray();
        requestsAsJsonArray.add(json);
    }

    // Convert incoming operations into a list of JsonRpcRequest.
    ProtocolVersion protocolVersion = determineProtocolVersion(requestsAsJsonArray);
    PROTOCOL_VERSION_COUNTERS.get(protocolVersion).incrementAndGet();
    List<OperationRequest> requests = new ArrayList<OperationRequest>(requestsAsJsonArray.size());
    for (JsonElement requestAsJsonElement : requestsAsJsonArray) {
        validate(requestAsJsonElement);
        requests.add(getGson(protocolVersion).fromJson(requestAsJsonElement, OperationRequest.class));
    }
    return requests;
}

From source file:com.googlesource.gerrit.plugins.oauth.CasOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    final String protectedResourceUrl = String.format(PROTECTED_RESOURCE_URL, rootUrl);
    OAuthRequest request = new OAuthRequest(Verb.GET, protectedResourceUrl);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);/*from  w w w.j a v a 2 s . co  m*/

    Response response = request.send();
    if (response.getCode() != HttpServletResponse.SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }

    if (log.isDebugEnabled()) {
        log.debug("User info response: {}", response.getBody());
    }

    JsonElement userJson = JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (!userJson.isJsonObject()) {
        throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
    }
    JsonObject jsonObject = userJson.getAsJsonObject();

    JsonElement id = jsonObject.get("id");
    if (id == null || id.isJsonNull()) {
        throw new IOException(String.format("CAS response missing id: %s", response.getBody()));
    }

    JsonElement attrListJson = jsonObject.get("attributes");
    if (attrListJson == null) {
        throw new IOException(String.format("CAS response missing attributes: %s", response.getBody()));
    }

    String email = null, name = null, login = null;

    if (attrListJson.isJsonArray()) {
        // It is possible for CAS to be configured to not return any attributes (email, name, login),
        // in which case,
        // CAS returns an empty JSON object "attributes":{}, rather than "null" or an empty JSON array
        // "attributes": []

        JsonArray attrJson = attrListJson.getAsJsonArray();
        for (JsonElement elem : attrJson) {
            if (elem == null || !elem.isJsonObject()) {
                throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", elem));
            }
            JsonObject obj = elem.getAsJsonObject();

            String property = getStringElement(obj, "email");
            if (property != null)
                email = property;
            property = getStringElement(obj, "name");
            if (property != null)
                name = property;
            property = getStringElement(obj, "login");
            if (property != null)
                login = property;
        }
    }

    return new OAuthUserInfo(CAS_PROVIDER_PREFIX + id.getAsString(), login, email, name,
            fixLegacyUserId ? id.getAsString() : null);
}

From source file:com.gst.batch.service.ResolutionHelper.java

License:Apache License

private JsonElement resolveDependentVariables(final Entry<String, JsonElement> entryElement,
        final JsonModel responseJsonModel) {
    JsonElement value = null;/*from   www  .  j a  v a  2 s  .com*/

    final JsonElement element = entryElement.getValue();

    if (element.isJsonObject()) {
        final JsonObject jsObject = element.getAsJsonObject();
        value = processJsonObject(jsObject, responseJsonModel);
    } else if (element.isJsonArray()) {
        final JsonArray jsElementArray = element.getAsJsonArray();
        value = processJsonArray(jsElementArray, responseJsonModel);
    } else {
        value = resolveDependentVariable(element, responseJsonModel);
    }
    return value;
}