Example usage for com.google.gson Gson fromJson

Introduction

In this page you can find the example usage for com.google.gson Gson fromJson.

Prototype

@SuppressWarnings("unchecked")
public <T> T fromJson(JsonElement json, Type typeOfT) throws JsonSyntaxException 

Source Link

Document

This method deserializes the Json read from the specified parse tree into an object of the specified type.

Usage

From source file:au.org.ala.fielddata.mobile.dao.GenericDAO.java

License:Open Source License

protected T map(SQLiteDatabase db, Cursor result, Class<T> modelClass) {
    T modelObject;/*from   w  w w .j a  va2s .  c o m*/
    String json = result.getString(5);
    Gson gson = Mapper.getGson(context);
    modelObject = (T) gson.fromJson(json, modelClass);
    modelObject.setId(result.getInt(0));

    return modelObject;
}

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From source file:authentication.ValidadeUser.java

public contratos.Usuario ValidarTokenPeloRequest(HttpServletRequest request)
        throws NoSuchAlgorithmException, InvalidKeyException, IOException, JWTVerifyException {
    String json = request.getHeader("Authorization");
    String url = request.getRequestURI();

    if (json == null || json.equals("null")) {
        return null;
    }/*from w  w  w  . java2  s.c o  m*/

    Gson gson = new Gson();
    contratos.LoginUsuario token = gson.fromJson(json, contratos.LoginUsuario.class);

    contratos.Usuario usuario = ValidarToken(token.getToken(), token.getUserName());
    return usuario;
}

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From source file:ayushi.util.TinyDB.java

License:Apache License

public ArrayList<Product> getListObject(String key, Class<?> mClass) {
    Gson gson = new Gson();

    ArrayList<String> objStrings = getListString(key);
    ArrayList<Product> objects = new ArrayList<Product>();

    for (String jObjString : objStrings) {
        Product value = (Product) gson.fromJson(jObjString, mClass);
        objects.add(value);//from w w w .j  a  v  a2s  . co m
    }
    return objects;
}

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From source file:azkaban.flow.FlowUtils.java

License:Apache License

public static Project toProject(final String json) {
    final Gson gson = new Gson();
    return gson.fromJson(json, Project.class);
}

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From source file:bank.OurRabbitBank.java

public static void main(String[] args) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, ExchangeName.GLOBAL, RoutingKeys.OUR_JSON_BANK);

    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(queueName, true, consumer);
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        AMQP.BasicProperties properties = delivery.getProperties();
        String message = new String(delivery.getBody());

        Gson g = new Gson();

        Message msg = g.fromJson(message, Message.class);

        System.out.println(" [x] Received '" + message + "'");

        sendToNormalizer(msg, properties);
    }//from  w  ww  . j  a  v a 2s .c o  m
}

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From source file:bas.animalkingdom.SpringHelper.java

public static String getParameterFromAjaxString(String ajaxString, String paramKey)
        throws UnsupportedEncodingException, IOException {
    Gson gson = new Gson();
    LinkedTreeMap result = gson.fromJson(ajaxString, LinkedTreeMap.class);
    return (String) result.getOrDefault(paramKey, null);
}

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From source file:basedefense.client.version.ModificationVersionCheck.java

License:Apache License

/**
 * Checks the modification version./*www.j a  v a2s. c  o  m*/
 *
 * @return The version.
 */
public Optional<String> check() {
    // We will only run this check once as this check may take a lot of time to process
    if (this.latestVersion != null)
        return this.latestVersion;

    InputStreamReader inputStreamReader = null;

    try {
        HttpGet getRequest = new HttpGet(API_URL + String.format(API_PATTERN, "LordAkkarin", "BaseDefense2"));
        HttpResponse response = this.httpClient.execute(getRequest);
        Preconditions.checkState(response.getStatusLine().getStatusCode() == 200,
                "Expected status code 200 but received %s", response.getStatusLine());

        HttpEntity entity = response.getEntity();
        inputStreamReader = new InputStreamReader(entity.getContent());

        Gson gson = new Gson();
        JsonObject object = gson.fromJson(inputStreamReader, JsonObject.class);
        Preconditions.checkState(object.has("tag_name"), "No valid version found.");

        this.latestVersion = Optional.of(object.get("tag_name").getAsString());
    } catch (Exception ex) {
        BaseDefenseModification.getInstance().getLogger()
                .warn("Unable to retrieve version information: " + ex.getMessage(), ex);
        this.latestVersion = Optional.empty();
    } finally {
        IOUtils.closeQuietly(inputStreamReader);
    }

    return this.latestVersion;
}

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From source file:batch.card.generator.BatchCardGenerator.java

/**
 * @param args the command line arguments
 *//*from   w  ww. j a v  a2s  . c  o m*/
public static void main(String[] args) throws IOException {
    String path = "D:\\Tabletop Models\\2D stuff\\Cards\\";
    String path_vehicles = "D:\\Tabletop Models\\2D stuff\\tanks\\";
    List<String> vehicle_paths = new ArrayList<>();

    try {
        Files.walk(Paths.get(path_vehicles)).forEach(filePath -> {
            if (Files.isRegularFile(filePath)) {
                vehicle_paths.add(filePath.getFileName().toString());
            }
        });
    } catch (IOException ex) {
        Logger.getLogger(BatchCardGenerator.class.getName()).log(Level.SEVERE, null, ex);
    }
    System.out.println("Vehicles found: " + vehicle_paths.size());
    // load source images
    BufferedImage image = null;
    try {
        image = ImageIO.read(new File(path, "blank_template-400x563.png"));
    } catch (IOException ex) {
        Logger.getLogger(BatchCardGenerator.class.getName()).log(Level.SEVERE, null, ex);
    }
    // END - Loading images, onto the card building

    // create the new image, canvas size is the max. of both image sizes
    int w = 400;
    int h = 563;
    List<Font> card_fonts = new ArrayList<>(); //Add 9

    card_fonts.add(new Font("Britannic Bold", Font.BOLD, 35)); //Title
    card_fonts.add(new Font("Sans", Font.ITALIC, 16)); //Subtitle
    card_fonts.add(new Font("Sans", Font.BOLD, 18)); //Key titles
    card_fonts.add(new Font("Sans", Font.PLAIN, 18)); //Key info and stats upper
    card_fonts.add(new Font("Sans", Font.PLAIN, 13)); //Stats lower
    card_fonts.add(new Font("Sans", Font.BOLD, 14)); //Resists title
    card_fonts.add(new Font("Sans", Font.PLAIN, 14)); //Resists data
    card_fonts.add(new Font("Sans", Font.BOLD, 12)); //Weapons title
    card_fonts.add(new Font("Sans", Font.PLAIN, 12)); //Weapons data and bio

    // Read json file into string
    BufferedReader reader = null;

    try {
        reader = new BufferedReader(new FileReader(
                "C:\\Users\\Aaron\\Documents\\NetBeansProjects\\batch-card-generator\\cards.json"));
    } catch (FileNotFoundException ex) {
        Logger.getLogger(BatchCardGenerator.class.getName()).log(Level.SEVERE, null, ex);
    }

    Gson gson = new GsonBuilder().create();

    Machina[] people = gson.fromJson(reader, Machina[].class);

    //        for (Machina each : people) {
    //            System.out.println("Object mode: " + each.bio);
    //        }
    Rectangle title_rect = new Rectangle(96, 65, 192, 36);

    for (int i = 0; i < vehicle_paths.size(); i++) {
        BufferedImage overlay = null;
        BufferedImage combined = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);

        try {
            overlay = ImageIO.read(new File(path_vehicles, vehicle_paths.get(i)));
        } catch (IOException ex) {
            Logger.getLogger(BatchCardGenerator.class.getName()).log(Level.SEVERE, null, ex);
        }

        // paint both images, preserving the alpha channels
        Graphics g = combined.getGraphics();
        g.drawImage(image, 0, 0, null);
        g.drawImage(overlay, 208, 99, null); //208, 99 for tanks
        g.setColor(Color.black);

        Graphics2D g2 = (Graphics2D) g;
        RenderingHints rh = new RenderingHints(RenderingHints.KEY_TEXT_ANTIALIASING,
                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g2.setRenderingHints(rh);

        // if the tank has data
        for (Machina each : people) {
            if (vehicle_paths.get(i).equals(each.file)) {
                System.out.println(each.name + " has a match!");
                g2.setFont(card_fonts.get(0));
                FontMetrics metrics = g.getFontMetrics(card_fonts.get(0));
                int x = title_rect.x + (title_rect.width - metrics.stringWidth(each.name)) / 2;
                int y = (title_rect.y);
                // Name
                g2.drawString(each.name, x, y);
                // Subtitle
                g2.setFont(card_fonts.get(1));
                metrics = g.getFontMetrics(card_fonts.get(1));
                int x2 = title_rect.x + (title_rect.width - metrics.stringWidth(each.type)) / 2;
                g2.drawString(each.type, x2, y + 20);
                // Key stats
                g2.setFont(card_fonts.get(2));
                int keyY = 120;
                g2.drawString("Armor class:", 30, keyY);
                g2.drawString("Hit points:", 30, keyY + 20);
                g2.drawString("Speed:", 30, keyY + 40);
                g2.drawString("Hp/ton:", 30, keyY + 60);
                g2.setFont(card_fonts.get(3));
                g2.drawString(each.armor_class, 150, keyY);
                g2.drawString(each.hit_points, 130, keyY + 20);
                g2.drawString(each.speed, 100, keyY + 40);
                g2.drawString(each.power_weight, 100, keyY + 60);
                // Stats
                int statY = 230;
                g2.drawString("STR", 30, statY);
                g2.drawString("DEX", 90, statY);
                g2.drawString("CON", 148, statY);
                g2.drawString("INT", 215, statY);
                g2.drawString("WIS", 272, statY);
                g2.drawString("CHA", 330, statY);
                // Stats lower
                g2.setFont(card_fonts.get(4));
                g2.drawString(each.strength, 30, statY + 20);
                g2.drawString(each.dexterity, 90, statY + 20);
                g2.drawString(each.constitution, 152, statY + 20);
                g2.drawString(each.intelligence, 212, statY + 20);
                g2.drawString(each.wisdom, 272, statY + 20);
                g2.drawString(each.charisma, 335, statY + 20);
                // Resists etc
                int resistY = 275;
                g2.setFont(card_fonts.get(5));
                if (!"".equals(each.dmg_resist)) {
                    g2.drawString("Damage Resistance:", 30, resistY);
                    resistY = resistY + 15;
                }

                if (!"".equals(each.dmg_immune)) {
                    g2.drawString("Damage Immunities:", 30, resistY);
                    resistY = resistY + 15;
                }
                if (!"".equals(each.condition_immune)) {
                    g2.drawString("Condition Immunities:", 30, resistY);
                    resistY = resistY + 15;
                }

                g2.drawString("Senses:", 30, resistY);
                resistY = resistY + 15;
                g2.drawString("Languages:", 30, resistY);
                resistY = resistY + 15;
                g2.drawString("Challenge:", 30, resistY);
                g2.setFont(card_fonts.get(6));
                resistY = 275;
                if (!"".equals(each.dmg_resist)) {
                    g2.drawString(each.dmg_resist, 178, resistY);
                    resistY = resistY + 15;
                }
                if (!"".equals(each.dmg_immune)) {
                    g2.drawString(each.dmg_immune, 176, resistY);
                    resistY = resistY + 15;
                }
                if (!"".equals(each.condition_immune)) {
                    g2.drawString(each.condition_immune, 188, resistY);
                    resistY = resistY + 15;
                }
                g2.drawString(each.senses, 90, resistY);
                resistY = resistY + 15;
                g2.drawString(each.languages, 118, resistY);
                resistY = resistY + 15;
                g2.drawString(each.challenge, 110, resistY);
                resistY = resistY + 30;
                // Weapons and hurting stuff
                int weaponY = resistY;
                g2.setFont(card_fonts.get(7));
                int width1 = 0;
                int width2 = 0;
                int width3 = 0;
                if (!"".equals(each.ability_1)) {
                    g2.drawString(each.ability_1, 30, weaponY);
                    width1 = g2.getFontMetrics().stringWidth(each.ability_1);
                }
                if (!"".equals(each.ability_2)) {
                    g2.drawString(each.ability_2, 30, weaponY + 30);
                    width2 = g2.getFontMetrics().stringWidth(each.ability_2);
                }
                if (!"".equals(each.ability_3)) {
                    g2.drawString(each.ability_3, 30, weaponY + 60);
                    width3 = g2.getFontMetrics().stringWidth(each.ability_3);
                }

                // Bio
                g2.setFont(card_fonts.get(8));
                if (!"".equals(each.ability_1)) {
                    drawTextWrap(each.ability_1_d, g2.getFontMetrics(card_fonts.get(7)), g2, 35 + width1,
                            weaponY, 300);
                }
                if (!"".equals(each.ability_2)) {
                    drawTextWrap(each.ability_2_d, g2.getFontMetrics(card_fonts.get(7)), g2, 35 + width2,
                            weaponY + 30, 300);
                }
                if (!"".equals(each.ability_3)) {
                    drawTextWrap(each.ability_3_d, g2.getFontMetrics(card_fonts.get(7)), g2, 35 + width3,
                            weaponY + 60, 300);
                }
                drawTextWrap(each.bio, g.getFontMetrics(card_fonts.get(8)), g2, 58, 505, 290);
            }
        }

        try {
            // Save as new image
            ImageIO.write(combined, "PNG", new File(path + "\\javaDeck\\", "01x " + vehicle_paths.get(i)));
        } catch (IOException ex) {
            Logger.getLogger(BatchCardGenerator.class.getName()).log(Level.SEVERE, null, ex);
        }
        System.out.println("Completed: " + vehicle_paths.get(i) + "- No. " + i + "/" + vehicle_paths.size());
    }
    System.out.println("Thanks!");

}

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From source file:bd.ac.seu.jsondemo.Main.java

public static void readFromURL() {
    try {//from  w ww  . j av  a  2 s . c  o m
        URL url = new URL(
                "http://my.seu.ac.bd/~kmhasan/__WebServices/spring2017aj/schedule_section_json.php?semester=45");
        InputStream inputStream = url.openStream();
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));

        String line = bufferedReader.readLine();

        Gson gson = new GsonBuilder().create();

        Type sectionsListType = new TypeToken<List<Section>>() {
        }.getType();
        List<Section> sectionsList = gson.fromJson(line, sectionsListType);

        sectionsList.forEach(System.out::println);
    } catch (MalformedURLException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:bd.ac.seu.jsondemo.Main.java

public static void readingExample() {
    try {/*  w ww  . j  ava  2  s .c  o  m*/
        RandomAccessFile inFile = new RandomAccessFile("student.txt", "r");
        String line;
        String inputString = "";

        while ((line = inFile.readLine()) != null) {
            inputString += line;
        }

        Gson gson = new GsonBuilder().create();
        Student s1 = gson.fromJson(inputString, Student.class);
        System.out.println(s1.getStudentName());
        inFile.close();
    } catch (FileNotFoundException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    }

}

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