Example usage for com.google.gson JsonObject get

List of usage examples for com.google.gson JsonObject get

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Introduction

In this page you can find the example usage for com.google.gson JsonObject get.

Prototype

public JsonElement get(String memberName)

Source Link

Document

Returns the member with the specified name.

Usage

From source file:arces.unibo.SEPA.commons.SPARQL.Bindings.java

License:Open Source License

public String getBindingValue(String variable) {
    if (solution.get(variable) == null)
        return null;
    JsonObject json = solution.get(variable).getAsJsonObject();
    return json.get("value").getAsString();
}

From source file:arces.unibo.SEPA.commons.SPARQL.Bindings.java

License:Open Source License

public String getDatatype(String variable) {
    if (solution.get(variable) == null)
        return null;
    JsonObject json = solution.get(variable).getAsJsonObject();
    if (json.get("datatype") == null)
        return null;
    return json.get("datatype").getAsString();
}

From source file:arces.unibo.SEPA.commons.SPARQL.Bindings.java

License:Open Source License

public String getLanguage(String variable) {
    if (solution.get(variable) == null)
        return null;
    JsonObject json = solution.get(variable).getAsJsonObject();
    if (json.get("xml:lang") == null)
        return null;
    return json.get("xml:lang").getAsString();
}

From source file:arces.unibo.SEPA.commons.SPARQL.Bindings.java

License:Open Source License

public boolean isLiteral(String variable) {
    if (solution.get(variable) == null)
        return false;
    JsonObject json = solution.get(variable).getAsJsonObject();
    return json.get("type").getAsString().equals("literal");
}

From source file:arces.unibo.SEPA.commons.SPARQL.Bindings.java

License:Open Source License

public boolean isURI(String variable) {
    if (solution.get(variable) == null)
        return false;
    JsonObject json = solution.get(variable).getAsJsonObject();
    return json.get("type").getAsString().equals("uri");
}

From source file:arces.unibo.SEPA.commons.SPARQL.Bindings.java

License:Open Source License

public boolean isBNode(String variable) {
    if (solution.get(variable) == null)
        return false;
    JsonObject json = solution.get(variable).getAsJsonObject();
    return json.get("type").getAsString().equals("bnode");
}

From source file:arces.unibo.SEPA.server.protocol.WSGate.java

License:Open Source License

protected Request parseRequest(Integer token, String request) {
    JsonObject req;
    try {//from  ww w .j  a v  a 2  s . com
        req = new JsonParser().parse(request).getAsJsonObject();
    } catch (JsonParseException | IllegalStateException e) {
        return null;
    }

    if (req.get("subscribe") != null) {
        if (req.get("alias") != null)
            return new SubscribeRequest(token, req.get("subscribe").getAsString(),
                    req.get("alias").getAsString());
        return new SubscribeRequest(token, req.get("subscribe").getAsString());
    }
    if (req.get("unsubscribe") != null)
        return new UnsubscribeRequest(token, req.get("unsubscribe").getAsString());

    return null;
}

From source file:arces.unibo.SEPA.server.protocol.WSSGate.java

License:Open Source License

private Response validateToken(String request) {
    JsonObject req;
    try {/*  w  ww  .j  a v a  2  s .  co  m*/
        req = new JsonParser().parse(request).getAsJsonObject();
    } catch (JsonParseException | IllegalStateException e) {

        return new ErrorResponse(500, e.getMessage());
    }

    if (req.get("authorization") == null)
        return new ErrorResponse(400, "authorization key is missing");
    ;

    //Token validation
    return am.validateToken(req.get("authorization").getAsString());
}

From source file:asteroidtracker.AsteroidTrackerSpeechlet.java

License:Open Source License

/**
 * Parse JSON-formatted list of events/births/deaths from Wikipedia, extract list of events and
 * split the events into a String array of individual events. Run Regex matchers to make the
 * list pretty by adding a comma after the year to add a pause, and by removing a unicode char.
 * /*from  w w w  .j a v a2 s .  c o m*/
 * @param text
 *            the JSON formatted list of events/births/deaths for a certain date
 * @return String array of events for that date, 1 event per element of the array
 */
private ArrayList<String> parseJson(String text, String date) {
    ArrayList<String> events = new ArrayList<String>();

    if (text.isEmpty()) {
        return events;
    }
    JsonParser parser = new JsonParser();
    JsonObject object = parser.parse(text).getAsJsonObject();

    JsonArray asteroidArray = object.get("near_earth_objects").getAsJsonObject().get(date).getAsJsonArray();

    for (int i = 0; i < object.get("element_count").getAsInt(); i++) {
        JsonObject thisAsteroid = asteroidArray.get(i).getAsJsonObject();

        String asteroidName = thisAsteroid.get("name").getAsString();

        float absoluteMagnitude = thisAsteroid.get("absolute_magnitude_h").getAsFloat();

        JsonObject estimatedDiameterKilometers = thisAsteroid.get("estimated_diameter").getAsJsonObject()
                .get("kilometers").getAsJsonObject();
        float minimumDiameter = estimatedDiameterKilometers.get("estimated_diameter_min").getAsFloat();
        float maximumDiameter = estimatedDiameterKilometers.get("estimated_diameter_max").getAsFloat();

        boolean isDangerousObject = thisAsteroid.get("is_potentially_hazardous_asteroid")
                .getAsString() == "false";

        JsonObject closeApproachData = thisAsteroid.get("close_approach_data").getAsJsonArray().get(0)
                .getAsJsonObject();
        float speed = closeApproachData.get("relative_velocity").getAsJsonObject().get("kilometers_per_hour")
                .getAsFloat();
        Number missDistance = closeApproachData.get("miss_distance").getAsJsonObject().get("kilometers")
                .getAsNumber();
        String orbitingBody = closeApproachData.get("orbiting_body").getAsString();

        DecimalFormat df = new DecimalFormat("#.##");

        String asteroidIdText = "Asteroid " + i + ", name is " + asteroidName + ",";
        String magnitudeText = "The absolute magnitude is " + absoluteMagnitude;
        String sizeText = ", the estimated diameter is from " + df.format(minimumDiameter) + " to "
                + df.format(maximumDiameter) + " kilometers,";

        String dangerousnessText;
        if (isDangerousObject) {
            dangerousnessText = "This object is dangerous!";
        } else {
            dangerousnessText = "This object is not dangerous,";
        }

        String speedText = "It is traveling at " + df.format(speed) + " kilometers per hour";
        String distanceText = " at a distance of " + missDistance + " kilometers";
        String orbitingBodyText = " and is orbiting " + orbitingBody;

        String eventText = asteroidIdText + magnitudeText + sizeText + dangerousnessText + speedText
                + distanceText + orbitingBodyText;
        events.add(eventText);
    }

    return events;
}

From source file:at.ac.dbisinformatik.snowprofile.web.svgcreator.SVGCreator.java

License:Open Source License

/**
 * creates a SVG-Graph for given jsonDocument which includes ExtJS-SVG-Objects. The created SVG-Document will be converted in the given export type. 
 * //  w  w  w .  j  a v a  2  s  .  co m
 * @param jsonDocument
 * @param exportType
 * @param profileID
 * @return
 * @throws TransformerException
 * @throws URISyntaxException
 * @throws TranscoderException
 * @throws IOException
 */
public static ByteArrayOutputStream svgDocument(JsonArray jsonDocument, String exportType, String profileID)
        throws TransformerException, URISyntaxException, TranscoderException, IOException {

    ByteArrayOutputStream ret = null;

    DOMImplementation impl = SVGDOMImplementation.getDOMImplementation();
    String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI;
    Document doc = impl.createDocument(svgNS, "svg", null);

    // Get the root element (the 'svg' element).
    Element svgRoot = doc.getDocumentElement();

    // Set the width and height attributes on the root 'svg' element.
    svgRoot.setAttributeNS(null, "width", "1500");
    svgRoot.setAttributeNS(null, "height", "1500");
    JsonArray items = jsonDocument;

    for (int i = 0; i < items.size(); ++i) {
        String type = items.get(i).getAsJsonObject().get("type").getAsString();
        Element element = null;
        org.w3c.dom.Text test = null;
        String path = "";
        String width = "";
        String height = "";
        String x = "";
        String y = "";
        String fill = "";
        String text = "";
        String font = "";
        String fontFamily = "";
        String fontSize = "";
        String degrees = "";
        String stroke = "";
        String opacity = "";
        String src = "";
        switch (type) {
        case "rect":
            width = items.get(i).getAsJsonObject().get("width").getAsString();
            height = items.get(i).getAsJsonObject().get("height").getAsString();
            x = items.get(i).getAsJsonObject().get("x").getAsString();
            y = items.get(i).getAsJsonObject().get("y").getAsString();
            fill = items.get(i).getAsJsonObject().get("fill").getAsString();
            stroke = items.get(i).getAsJsonObject().get("stroke").getAsString();
            opacity = items.get(i).getAsJsonObject().get("opacity").getAsString();

            // Create the rectangle.
            element = doc.createElementNS(svgNS, "rect");
            element.setAttributeNS(null, "width", width);
            element.setAttributeNS(null, "height", height);
            element.setAttributeNS(null, "x", x);
            element.setAttributeNS(null, "y", y);
            element.setAttributeNS(null, "fill", fill);
            element.setAttributeNS(null, "stroke", stroke);
            element.setAttributeNS(null, "opacity", opacity);
            break;

        case "path":
            path = items.get(i).getAsJsonObject().get("path").getAsString();
            fill = items.get(i).getAsJsonObject().get("fill").getAsString();
            stroke = items.get(i).getAsJsonObject().get("stroke").getAsString();

            // Create the path.
            element = doc.createElementNS(svgNS, "path");
            element.setAttributeNS(null, "d", path);
            element.setAttributeNS(null, "fill", fill);
            element.setAttributeNS(null, "stroke", stroke);
            break;

        case "image":
            x = items.get(i).getAsJsonObject().get("x").getAsString();
            y = items.get(i).getAsJsonObject().get("y").getAsString();
            width = items.get(i).getAsJsonObject().get("width").getAsString();
            height = items.get(i).getAsJsonObject().get("height").getAsString();
            src = System.class.getResource("/at/ac/dbisinformatik/snowprofile/web/resources/"
                    + items.get(i).getAsJsonObject().get("src").getAsString()).toString();

            // Create the path.
            element = doc.createElementNS(svgNS, "image");
            element.setAttributeNS(null, "x", x);
            element.setAttributeNS(null, "y", y);
            element.setAttributeNS(null, "width", width);
            element.setAttributeNS(null, "height", height);
            element.setAttributeNS(null, "xlink:href", src);
            break;

        case "text":
            text = items.get(i).getAsJsonObject().get("text").getAsString();
            fill = items.get(i).getAsJsonObject().get("fill").getAsString();
            font = items.get(i).getAsJsonObject().get("font").getAsString();
            x = items.get(i).getAsJsonObject().get("x").getAsString();
            y = items.get(i).getAsJsonObject().get("y").getAsString();

            // Transformation
            if (items.get(i).getAsJsonObject().get("rotate") != null) {
                JsonObject temp = items.get(i).getAsJsonObject().get("rotate").getAsJsonObject();
                degrees = temp.get("degrees").getAsString();
            }

            fontSize = font.split(" ")[0];
            fontFamily = font.split(" ")[1];

            // Create the text.
            test = doc.createTextNode(text);
            element = doc.createElementNS(svgNS, "text");
            element.setAttributeNS(null, "text", text);
            element.setAttributeNS(null, "fill", fill);
            element.setAttributeNS(null, "font-family", fontFamily);
            element.setAttributeNS(null, "font-size", fontSize);
            element.setAttributeNS(null, "x", x);
            element.setAttributeNS(null, "y", y);
            if (!degrees.equals("")) {
                // element.setAttributeNS(null, "transform",
                // "rotate(270 "+500+","+80+")");
            }
            element.appendChild(test);
            break;

        default:
            break;
        }

        // Attach the rectangle to the root 'svg' element.
        svgRoot.appendChild(element);
    }

    TransformerFactory tFactory = TransformerFactory.newInstance();
    Transformer transformer = tFactory.newTransformer();

    DOMSource source = new DOMSource(doc);

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    StreamResult result = new StreamResult(outputStream);
    transformer.transform(source, result);
    InputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());

    switch (exportType) {
    case "png":
        ret = createPNG(inputStream);
        break;

    case "jpg":
        ret = createJPG(inputStream);
        break;

    case "pdf":
        ret = createPDF(inputStream);
        break;

    default:
        break;
    }
    return ret;
}