Example usage for com.google.gson.stream JsonReader JsonReader

List of usage examples for com.google.gson.stream JsonReader JsonReader

  1. HOME
  2. Java
  3. com.google.gson
  4. com.google.gson.stream.*
  5. JsonReader
  6. JsonReader

Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader JsonReader.

Prototype

public JsonReader(Reader in)

Source Link

Document

Creates a new instance that reads a JSON-encoded stream from in .

Usage

From source file:com.oscarsalguero.smartystreetsautocomplete.json.GsonSmartyStreetsApiJsonParser.java

License:Apache License

@Override
public List<Address> readHistoryJson(final InputStream in) throws JsonParsingException {
    try {/*from   w  w  w  . j  a v a2s .  com*/
        JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
        List<Address> addresses = new ArrayList<>();
        reader.beginArray();
        while (reader.hasNext()) {
            Address message = gson.fromJson(reader, Address.class);
            addresses.add(message);
        }
        reader.endArray();
        reader.close();
        return addresses;
    } catch (Exception e) {
        throw new JsonParsingException(e);
    }
}

From source file:com.ovrhere.android.currencyconverter.model.parsers.AbstractJsonParser.java

License:Apache License

/** Parses the JSON stream and returns it described return type.
 * Note that this method initializes and closes the reader.
 * @param reader The input reading/*from ww w .j  av  a  2s  . co  m*/
 * @return R1, the parsed data.
 * @throws IOException Re-thrown exception from reader
 */
public R1 parseJsonStream(Reader reader) throws IOException {

    checkPause();
    jsonReader = new JsonReader(reader);
    checkPause();

    try {
        return parseJsonToReturnData();
    } finally {
        try {
            jsonReader.close();
        } catch (IOException e) {
        }
    }
}

From source file:com.ovrhere.android.currencyconverter.model.parsers.AbstractJsonParser.java

License:Apache License

/** Parses the JSON stream and returns it described return type.
 * Note that this method initializes and closes the reader.
 * @param in The input stream//from www .j  a va 2  s.  co  m
 * @return R1, the parsed data. 
 * @throws IOException Re-thrown exception from reader 
 */
public R1 parseJsonStream(InputStream in) throws IOException {
    checkPause();
    InputStreamReader reader = new InputStreamReader(in);
    jsonReader = new JsonReader(reader);
    checkPause();

    try {
        return parseJsonToReturnData();
    } finally {
        try {
            jsonReader.close();
        } catch (IOException e) {
        }
    }
}

From source file:com.pcloud.sdk.internal.RealApiClient.java

License:Apache License

private <T> T deserializeResponseBody(Response response, Class<? extends T> bodyType) throws IOException {
    try {/*www  .j a va2 s  .co m*/
        if (!response.isSuccessful()) {
            throw new APIHttpException(response.code(), response.message());
        }

        JsonReader reader = new JsonReader(
                new BufferedReader(new InputStreamReader(response.body().byteStream())));
        try {
            return gson.fromJson(reader, bodyType);
        } catch (JsonSyntaxException e) {
            throw new IOException("Malformed JSON response.", e);
        } finally {
            closeQuietly(reader);
        }
    } finally {
        closeQuietly(response);
    }
}

From source file:com.pearson.pdn.learningstudio.helloworld.OAuth2AssertionServlet.java

License:Apache License

@Override
public Map<String, String> getOAuthHeaders(String resourceUrl, String httpMethod, String httpBody)
        throws IOException {
    // you would just reuse these values in the real world,
    // but we'll recreate them on every call here for simplicity.

    String username = resources.getString("username");

    final String grantType = "assertion";
    final String assertionType = "urn:ecollege:names:moauth:1.0:assertion";
    final String url = LS_API_URL + "/token";

    final String applicationId = resources.getString("applicationId");
    final String applicationName = resources.getString("applicationName");
    final String consumerKey = resources.getString("consumerKey");
    final String clientString = resources.getString("clientString");
    final String consumerSecret = resources.getString("consumerSecret");

    HttpsURLConnection httpConn = null;
    JsonReader in = null;/*from w ww.j  a v a 2 s.  c o m*/
    try {

        // Create the Assertion String
        String assertion = buildAssertion(applicationName, consumerKey, applicationId, clientString, username,
                consumerSecret);

        // Create the data to send
        StringBuilder data = new StringBuilder();
        data.append("grant_type=").append(URLEncoder.encode(grantType, "UTF-8"));
        data.append("&assertion_type=").append(URLEncoder.encode(assertionType, "UTF-8"));
        data.append("&assertion=").append(URLEncoder.encode(assertion, "UTF-8"));

        // Create a byte array of the data to be sent
        byte[] byteArray = data.toString().getBytes("UTF-8");

        // Setup the Request
        URL request = new URL(url);
        httpConn = (HttpsURLConnection) request.openConnection();
        httpConn.setRequestMethod("POST");
        httpConn.setRequestProperty("User-Agent", "LS-HelloWorld-Java-V1");
        httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        httpConn.setRequestProperty("Content-Length", "" + byteArray.length);
        httpConn.setDoOutput(true);

        // Write data
        OutputStream postStream = httpConn.getOutputStream();
        postStream.write(byteArray, 0, byteArray.length);
        postStream.close();

        long creationTime = System.currentTimeMillis();

        // Send Request & Get Response
        in = new JsonReader(new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8")));

        // Parse the Json response and retrieve the Access Token
        Gson gson = new Gson();
        Type mapTypeAccess = new TypeToken<Map<String, String>>() {
        }.getType();
        Map<String, String> ser = gson.fromJson(in, mapTypeAccess);
        String accessToken = ser.get("access_token");

        if (accessToken == null || accessToken.length() == 0) {
            throw new IOException("Missing Access Token");
        }

        Map<String, String> headers = new TreeMap<String, String>();
        headers.put("X-Authorization", "Access_Token access_token=" + accessToken);
        return headers;

    } finally {

        // Be sure to close out any resources or connections
        if (in != null)
            in.close();
        if (httpConn != null)
            httpConn.disconnect();
    }
}

From source file:com.pearson.pdn.learningstudio.oauth.OAuth2AssertionService.java

License:Apache License

/**
 * Generates OAuth2 Assertion Request/*w w  w  . ja  va2  s  . c om*/
 * 
 * @param username   Username for request
 * @return   OAuth2 request with assertion
 * @throws IOException
 */
public OAuth2Request generateOAuth2AssertionRequest(String username) throws IOException {

    final String grantType = "assertion";
    final String assertionType = "urn:ecollege:names:moauth:1.0:assertion";
    final String url = API_DOMAIN + "/token";

    final String applicationId = configuration.getApplicationId();
    final String applicationName = configuration.getApplicationName();
    final String consumerKey = configuration.getConsumerKey();
    final String clientString = configuration.getClientString();
    final String consumerSecret = configuration.getConsumerSecret();

    OAuth2Request oauthRequest = null;
    HttpsURLConnection httpConn = null;
    JsonReader in = null;
    try {

        // Create the Assertion String
        String assertion = buildAssertion(applicationName, consumerKey, applicationId, clientString, username,
                consumerSecret);

        // Create the data to send
        StringBuilder data = new StringBuilder();
        data.append("grant_type=").append(URLEncoder.encode(grantType, "UTF-8"));
        data.append("&assertion_type=").append(URLEncoder.encode(assertionType, "UTF-8"));
        data.append("&assertion=").append(URLEncoder.encode(assertion, "UTF-8"));

        // Create a byte array of the data to be sent
        byte[] byteArray = data.toString().getBytes("UTF-8");

        // Setup the Request
        URL request = new URL(url);
        httpConn = (HttpsURLConnection) request.openConnection();
        httpConn.setRequestMethod("POST");
        httpConn.addRequestProperty("User-Agent", "LS-Library-OAuth-Java-V1");
        httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        httpConn.setRequestProperty("Content-Length", "" + byteArray.length);
        httpConn.setDoOutput(true);

        // Write data
        OutputStream postStream = httpConn.getOutputStream();
        postStream.write(byteArray, 0, byteArray.length);
        postStream.close();

        long creationTime = System.currentTimeMillis();

        // Send Request & Get Response
        in = new JsonReader(new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8")));

        // Parse the Json response and retrieve the Access Token
        Gson gson = new Gson();
        Type mapTypeAccess = new TypeToken<Map<String, String>>() {
        }.getType();
        Map<String, String> ser = gson.fromJson(in, mapTypeAccess);
        String accessToken = ser.get("access_token");

        if (accessToken == null || accessToken.length() == 0) {
            throw new IOException("Missing Access Token");
        }

        oauthRequest = new OAuth2Request();
        oauthRequest.setAccessToken(accessToken);
        oauthRequest.setExpiresInSeconds(new Integer(ser.get("expires_in")));
        oauthRequest.setCreationTime(creationTime);

        Map<String, String> headers = new TreeMap<String, String>();
        headers.put("X-Authorization", "Access_Token access_token=" + accessToken);
        oauthRequest.setHeaders(headers);

    } finally {

        // Be sure to close out any resources or connections
        if (in != null)
            in.close();
        if (httpConn != null)
            httpConn.disconnect();
    }

    return oauthRequest;
}

From source file:com.pearson.pdn.learningstudio.oauth.OAuth2PasswordService.java

License:Apache License

private OAuth2Request doRequest(byte[] byteArray) throws IOException {
    final String url = API_DOMAIN + "/token";

    OAuth2Request oauthRequest = null;
    HttpsURLConnection httpConn = null;
    JsonReader in = null;/* w ww . ja va2  s  .co  m*/
    try {
        // Setup the Request
        URL request = new URL(url);
        httpConn = (HttpsURLConnection) request.openConnection();
        httpConn.setRequestMethod("POST");
        httpConn.addRequestProperty("User-Agent", "LS-Library-OAuth-Java-V1");
        httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        httpConn.setRequestProperty("Content-Length", "" + byteArray.length);
        httpConn.setDoOutput(true);

        // Write data
        OutputStream postStream = httpConn.getOutputStream();
        postStream.write(byteArray, 0, byteArray.length);
        postStream.close();

        long creationTime = System.currentTimeMillis();

        // Send Request & Get Response
        in = new JsonReader(new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8")));

        // Parse the Json response and retrieve the Access Token
        Gson gson = new Gson();
        Type mapType = new TypeToken<Map<String, String>>() {
        }.getType();
        Map<String, String> ser = gson.fromJson(in, mapType);
        String accessToken = ser.get("access_token");

        if (accessToken == null || accessToken.length() == 0) {
            throw new IOException("Missing Access Token");
        }

        oauthRequest = new OAuth2Request();
        oauthRequest.setAccessToken(accessToken);
        oauthRequest.setExpiresInSeconds(new Integer(ser.get("expires_in")));
        oauthRequest.setRefreshToken(ser.get("refresh_token"));
        oauthRequest.setCreationTime(creationTime);

        Map<String, String> headers = new TreeMap<String, String>();
        headers.put("X-Authorization", "Access_Token access_token=" + accessToken);
        oauthRequest.setHeaders(headers);

    } finally {
        // Be sure to close out any resources or connections
        if (in != null)
            in.close();
        if (httpConn != null)
            httpConn.disconnect();
    }

    return oauthRequest;
}

From source file:com.persistencia.PersistenciaJson.java

public List<TablaDePago> tablasDepago(String ruta) throws FileNotFoundException, IOException {
    List<TablaDePago> result = null;
    System.out.println("Ruta de la tabla de pagos: " + ruta);
    if (ruta == null) {
        return null;
    }/*w w w .j  a va  2  s  .  c  o  m*/

    if (ruta.isEmpty()) {
        return null;
    }

    if (!new File(ruta).exists()) {
        ruta = "tablasDePago.json";
        try (Writer writer = new FileWriter(ruta)) {

            List<TablaDePago> tabla = new ArrayList<>();
            for (int i = 0; i < 10; i++) {
                TablaDePago t = new TablaDePago(FiguraPagoFactoria.cartones());
                t.setNumero(i);
                tabla.add(t);
            }

            Gson gson = new GsonBuilder().create();
            gson.toJson(tabla, writer);
        }
    }

    Gson gson = new Gson();
    Type tipo = new TypeToken<List<TablaDePago>>() {
    }.getType();
    JsonReader reader = new JsonReader(new FileReader(ruta));
    result = gson.fromJson(reader, tipo); // Lista cargada
    return result;
}

From source file:com.persistencia.PersistenciaJson.java

/**
 * Crea la configuracion de acceso a la base de datos JSON
 *///  w  w w.  ja  v a 2s  .  c  o  m
private void crearConfiguracion() throws IOException {
    if (new File("config.db").exists()) {
        System.out.println("Existe el archivo config.db");
        Gson gson = new Gson();
        JsonReader reader = new JsonReader(new FileReader("config.db"));
        config = gson.fromJson(reader, ConfiguracionPersistencia.class); // Configuracion cargada
    } else {
        //No existe el archivo, crearlo
        System.out.println("No existe el archivo config.db, creando...");
        try (Writer writer = new FileWriter("config.db")) {

            //Bonus por defecto
            Map<Integer, Integer> premiosFijosBonusMap = new HashMap<>();
            Map<Integer, Integer> premiosVariablesBonusMap = new HashMap<>();

            //Bonus fijo
            premiosFijosBonusMap.put(10, 4);
            premiosFijosBonusMap.put(50, 4);
            premiosFijosBonusMap.put(100, 4);

            //Premios variables
            premiosVariablesBonusMap.put(2, 4);
            premiosVariablesBonusMap.put(4, 4);
            premiosVariablesBonusMap.put(8, 4);

            config = new ConfiguracionPersistencia();
            config.setRutaDeLasTablasDePago("tablasDePago.json");
            config.setLimiteMaximoGratis(10);
            config.setLimiteMinimoGratis(0);
            config.setUtilizarUmbral(false);
            config.setUmbralParaLiberarBolasExtra(10);
            config.setFactorDePorcentajeDeCostoDeBolaExtraSegunElPremioMayor(0.1);
            config.setUtilizarPremiosFijosBonus(true);
            config.setPremiosFijosBonus(premiosFijosBonusMap);
            config.setUtilizarPremiosVariablesBonus(false);
            config.setPremiosVariablesBonus(premiosVariablesBonusMap);
            config.setCantidadDePremiosEnBonus(16);
            config.setIndiceConfiguracionJugadores(0);
            config.setProbabilidadDeApostarPorPerfil(new Double[] { .3, .6, .95 });
            config.setProbabilidadDeComprarBolasExtra(new Double[] { .3, .6, .95 });
            config.setCreditosMaximosPorPerfil(new Integer[] { 100, 250, 500 });
            config.setIndiceConfiguracionCostoBolaExtra(0);

            Gson gson = new GsonBuilder().create();
            gson.toJson(config, writer);

            writer.flush();
            writer.close();
        }
    }
}

From source file:com.persistencia.PersistenciaJson.java

private ConfiguracionPersistencia leerConfiguracion() throws FileNotFoundException {
    ConfiguracionPersistencia result;/*from www  .  j av a2s .co m*/
    Gson gson = new Gson();
    JsonReader reader = new JsonReader(new FileReader("config.db"));
    result = gson.fromJson(reader, ConfiguracionPersistencia.class); // Lista cargada
    return result;
}