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.goodow.wind.server.rpc.DeltaHandler.java

License:Apache License

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    String keyString = requireParameter(req, Params.ID);
    JsonObject toRtn;/*from  ww  w . j  ava2 s . co  m*/
    try {
        if (!keyString.startsWith("[")) {
            Long version = Long.parseLong(requireParameter(req, Params.VERSION));
            String endVersionString = optionalParameter(req, Params.END_VERSION, null);
            Long endVersion = endVersionString == null ? null : Long.parseLong(endVersionString);
            toRtn = fetchHistory(new ObjectId(keyString), version, endVersion);
        } else {
            JsonElement keys = new JsonParser().parse(keyString);
            assert keys.isJsonArray();
            String sid = requireParameter(req, Params.SESSION_ID);
            toRtn = fetchHistories(new SessionId(sid), keys.getAsJsonArray());
        }
    } catch (SlobNotFoundException e) {
        throw new BadRequestException("Object not found or access denied", e);
    } catch (AccessDeniedException e) {
        throw new BadRequestException("Object not found or access denied", e);
    } catch (NumberFormatException nfe) {
        throw new BadRequestException("Parse error", nfe);
    }

    resp.setContentType("application/json");
    Util.writeJsonResult(resp.getWriter(), toRtn.toString());
}

From source file:com.google.appinventor.components.runtime.GoogleMap.java

License:Open Source License

@SimpleFunction(description = "Adding a list of markers that are represented as JsonArray. "
        + " The inner JsonObject represents a marker"
        + "and is composed of name-value pairs. Name fields for a marker are: "
        + "\"lat\" (type double) [required], \"lng\"(type double) [required], "
        + "\"color\"(type int)[in hue value ranging from 0~360], "
        + "\"title\"(type String), \"snippet\"(type String), \"draggable\"(type boolean)")
public void AddMarkersFromJson(String jsonString) {
    ArrayList<Integer> markerIds = new ArrayList<Integer>();
    JsonParser parser = new JsonParser();
    float[] hsv = new float[3];

    // parse jsonString into jsonArray
    try {/*from www  .  j a  v a 2 s. co  m*/
        JsonElement markerList = parser.parse(jsonString);
        if (markerList.isJsonArray()) {
            JsonArray markerArray = markerList.getAsJsonArray();

            Log.i(TAG, "It's a JsonArry: " + markerArray.toString());
            for (JsonElement marker : markerArray) {
                boolean addOne = true;
                // now we have marker
                if (marker.isJsonObject()) {
                    JsonObject markerJson = marker.getAsJsonObject();
                    if (markerJson.get("lat") == null || markerJson.get("lng") == null) {
                        addOne = false;

                    } else { // having correct syntax of a marker in Json

                        // check for cases: "lat" : "40.7561"  (as String)
                        JsonPrimitive jpLat = (JsonPrimitive) markerJson.get("lat");
                        JsonPrimitive jpLng = (JsonPrimitive) markerJson.get("lng");

                        double latitude = 0;
                        double longitude = 0;

                        try { //it's possible that when converting to Double, we will have errors
                              // for example, some json has "lat": "" (empty string for lat, lng values)

                            if (jpLat.isString() && jpLng.isString()) {
                                Log.i(TAG, "jpLat:" + jpLat.toString());
                                Log.i(TAG, "jpLng:" + jpLng.toString());

                                latitude = new Double(jpLat.getAsString());
                                longitude = new Double(jpLng.getAsString());
                                Log.i(TAG, "convert to double:" + latitude + "," + longitude);
                            } else {
                                latitude = markerJson.get("lat").getAsDouble();
                                longitude = markerJson.get("lng").getAsDouble();
                            }

                        } catch (NumberFormatException e) {
                            addOne = false;
                        }
                        // check for Lat, Lng correct range

                        if ((latitude < -90) || (latitude > 90) || (longitude < -180) || (longitude > 180)) {
                            Log.i(TAG, "Lat/Lng wrong range:" + latitude + "," + longitude);
                            addOne = false;

                        }

                        Color.colorToHSV(mMarkerColor, hsv);
                        float defaultColor = hsv[0];
                        float color = (markerJson.get("color") == null) ? defaultColor
                                : markerJson.get("color").getAsInt();

                        if ((color < 0) || (color > 360)) {
                            Log.i(TAG, "Wrong color");
                            addOne = false;
                        }

                        String title = (markerJson.get("title") == null) ? ""
                                : markerJson.get("title").getAsString();
                        String snippet = (markerJson.get("snippet") == null) ? ""
                                : markerJson.get("snippet").getAsString();
                        boolean draggable = (markerJson.get("draggable") == null) ? mMarkerDraggable
                                : markerJson.get("draggable").getAsBoolean();

                        if (addOne) {
                            Log.i(TAG, "Adding marker" + latitude + "," + longitude);
                            int uniqueId = generateMarkerId();
                            markerIds.add(uniqueId);
                            addMarkerToMap(latitude, longitude, uniqueId, color, title, snippet, draggable);
                        }
                    }
                }
            } //end of JsonArray

        } else { // not a JsonArray
            form.dispatchErrorOccurredEvent(this, "AddMarkersFromJson",
                    ErrorMessages.ERROR_GOOGLE_MAP_INVALID_INPUT,
                    "markers needs to be represented as JsonArray");
            markersList = YailList.makeList(markerIds);
        }

    } catch (JsonSyntaxException e) {
        form.dispatchErrorOccurredEvent(this, "AddMarkersFromJson",
                ErrorMessages.ERROR_GOOGLE_MAP_JSON_FORMAT_DECODE_FAILED, jsonString);
        markersList = YailList.makeList(markerIds); // return an empty markerIds list
    }

    markersList = YailList.makeList(markerIds);
    //  return YailList.makeList(markerIds);
}

From source file:com.google.dart.server.internal.remote.processor.JsonProcessor.java

License:Open Source License

/**
 * Safely get some member off of the passed {@link JsonObject} and return the {@link JsonArray}.
 * Instead of calling {@link JsonObject#has(String)} before {@link JsonObject#get(String)}, only
 * one call to the {@link JsonObject} is made in order to be faster. The result will be
 * {@code null} if the member is not on the {@link JsonObject}. This is used for optional json
 * parameters./*from   w  ww. j a  v  a  2s .c o  m*/
 * 
 * @param jsonObject the {@link JsonObject}
 * @param memberName the member name
 * @return the looked up {@link JsonArray}, or {@code null}
 */
protected JsonArray safelyGetAsJsonArray(JsonObject jsonObject, String memberName) {
    JsonElement jsonElement = jsonObject.get(memberName);
    if (jsonElement == null) {
        return null;
    } else {
        return jsonElement.getAsJsonArray();
    }
}

From source file:com.google.dart.server.internal.remote.processor.NotificationAnalysisErrorsProcessor.java

License:Open Source License

/**
 * Process the given {@link JsonObject} notification and notify {@link #listener}.
 *//* w  w w. j a va 2  s .  co  m*/
@Override
public void process(JsonObject response) throws Exception {
    JsonObject paramsObject = response.get("params").getAsJsonObject();
    String file = paramsObject.get("file").getAsString();
    // prepare error objects iterator
    JsonElement errorsElement = paramsObject.get("errors");
    // notify listener
    getListener().computedErrors(file, AnalysisError.fromJsonArray(errorsElement.getAsJsonArray()));
}

From source file:com.google.dart.server.internal.remote.processor.NotificationExecutionLaunchDataProcessor.java

License:Open Source License

@Override
public void process(JsonObject response) throws Exception {
    JsonObject paramsObject = response.get("params").getAsJsonObject();
    String file = paramsObject.get("file").getAsString();
    JsonElement jsonKind = paramsObject.get("kind");
    String kind = jsonKind == null ? null : jsonKind.getAsString();
    JsonElement jsonFiles = paramsObject.get("referencedFiles");
    JsonArray referencedFiles = jsonFiles == null ? null : jsonFiles.getAsJsonArray();
    getListener().computedLaunchData(file, kind, constructStringArray(referencedFiles));
}

From source file:com.google.debugging.sourcemap.SourceMapObject.java

License:Apache License

private static String[] getJavaStringArray(JsonElement element) throws JsonParseException {
    if (element == null) {
        return null;
    }/*from  w  w  w  . ja v  a 2  s .  c  o  m*/
    JsonArray array = element.getAsJsonArray();
    int len = array.size();
    String[] result = new String[len];
    for (int i = 0; i < len; i++) {
        result[i] = array.get(i).getAsString();
    }
    return result;
}

From source file:com.google.debugging.sourcemap.SourceMapObjectParser.java

License:Apache License

private static String[] getJavaStringArray(JsonElement element) {
    if (element == null) {
        return null;
    }/*from ww w.  ja  v a 2s  . com*/
    JsonArray array = element.getAsJsonArray();
    int len = array.size();
    String[] result = new String[len];
    for (int i = 0; i < len; i++) {
        result[i] = array.get(i).getAsString();
    }
    return result;
}

From source file:com.google.gwtjsonrpc.server.CallDeserializer.java

License:Apache License

public CallType deserialize(final JsonElement json, final Type typeOfT,
        final JsonDeserializationContext context) throws JsonParseException, NoSuchRemoteMethodException {
    if (!json.isJsonObject()) {
        throw new JsonParseException("Expected object");
    }//from w w  w . ja  v  a  2  s .c o  m

    final JsonObject in = json.getAsJsonObject();
    req.id = in.get("id");

    final JsonElement jsonrpc = in.get("jsonrpc");
    final JsonElement version = in.get("version");
    if (isString(jsonrpc) && version == null) {
        final String v = jsonrpc.getAsString();
        if ("2.0".equals(v)) {
            req.versionName = "jsonrpc";
            req.versionValue = jsonrpc;
        } else {
            throw new JsonParseException("Expected jsonrpc=2.0");
        }

    } else if (isString(version) && jsonrpc == null) {
        final String v = version.getAsString();
        if ("1.1".equals(v)) {
            req.versionName = "version";
            req.versionValue = version;
        } else {
            throw new JsonParseException("Expected version=1.1");
        }
    } else {
        throw new JsonParseException("Expected version=1.1 or jsonrpc=2.0");
    }

    final JsonElement method = in.get("method");
    if (!isString(method)) {
        throw new JsonParseException("Expected method name as string");
    }

    req.method = server.lookupMethod(method.getAsString());
    if (req.method == null) {
        throw new NoSuchRemoteMethodException();
    }

    final JsonElement callback = in.get("callback");
    if (callback != null) {
        if (!isString(callback)) {
            throw new JsonParseException("Expected callback as string");
        }
        req.callback = callback.getAsString();
    }

    final JsonElement xsrfKey = in.get("xsrfKey");
    if (xsrfKey != null) {
        if (!isString(xsrfKey)) {
            throw new JsonParseException("Expected xsrfKey as string");
        }
        req.xsrfKeyIn = xsrfKey.getAsString();
    }

    final Type[] paramTypes = req.method.getParamTypes();
    final JsonElement params = in.get("params");
    if (params != null) {
        if (!params.isJsonArray()) {
            throw new JsonParseException("Expected params array");
        }

        final JsonArray paramsArray = params.getAsJsonArray();
        if (paramsArray.size() != paramTypes.length) {
            throw new JsonParseException("Expected " + paramTypes.length + " parameter values in params array");
        }

        final Object[] r = new Object[paramTypes.length];
        for (int i = 0; i < r.length; i++) {
            final JsonElement v = paramsArray.get(i);
            if (v != null) {
                r[i] = context.deserialize(v, paramTypes[i]);
            }
        }
        req.params = r;
    } else {
        if (paramTypes.length != 0) {
            throw new JsonParseException("Expected params array");
        }
        req.params = JsonServlet.NO_PARAMS;
    }

    return req;
}

From source file:com.google.iosched.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  w w .j a  v a  2  s .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(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, 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();
            set(origin, VendorAPISource.Topics.id, dest, OutputJsonKeys.Sessions.id);
            set(origin, VendorAPISource.Topics.id, dest, OutputJsonKeys.Sessions.url, Converters.SESSION_URL);
            set(origin, VendorAPISource.Topics.title, dest, OutputJsonKeys.Sessions.title, null);
            set(origin, VendorAPISource.Topics.description, dest, OutputJsonKeys.Sessions.description, null);
            set(origin, VendorAPISource.Topics.start, dest, OutputJsonKeys.Sessions.startTimestamp,
                    Converters.DATETIME);
            set(origin, VendorAPISource.Topics.finish, dest, OutputJsonKeys.Sessions.endTimestamp,
                    Converters.DATETIME);

            JsonElement documents = get(origin, 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, VendorAPISource.Topics.id, dest, OutputJsonKeys.Sessions.photoUrl,
                        Converters.SESSION_PHOTO_URL);
            }

            setVideoPropertiesInSession(origin, dest);
            setRelatedVideos(origin, dest);

            JsonElement mainTag = null;
            JsonElement hashtag = null;
            JsonElement mainTagColor = null;
            JsonArray categories = origin.getAsJsonArray(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, 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(VendorAPISource.Topics.sessions.name());
            if (sessions != null && sessions.size() > 0) {
                String roomId = get(sessions.get(0).getAsJsonObject(), 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);
                }
            }

            result.add(dest);
        }
    }
    return result;
}

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

License:Open Source License

private void setRelatedVideos(JsonObject origin, JsonObject dest) {
    JsonArray related = getAsArray(origin, VendorAPISource.Topics.related);
    if (related == null) {
        return;//from  www . ja v a 2 s. c  om
    }
    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);
        }
    }
}