Example usage for com.google.gson.reflect TypeToken getType

List of usage examples for com.google.gson.reflect TypeToken getType

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Introduction

In this page you can find the example usage for com.google.gson.reflect TypeToken getType.

Prototype

public final Type getType()

Source Link

Document

Gets underlying Type instance.

Usage

From source file:com.vko.core.common.util.gson.GsonUtil.java

License:Apache License

/**
 *  {@code JSON} ??/* w w w. j av  a 2  s .c o m*/
 * 
 * @param <T>
 *            ??
 * @param json
 *             {@code JSON} 
 * @param token
 *            {@code com.google.gson.reflect.TypeToken} 
 * @param datePattern
 *            ??
 * @return  {@code JSON} 
 * @since 1.0
 */
public static <T> T fromJson(String json, TypeToken<T> token, String datePattern) {
    if (StringUtils.isBlank(json)) {
        return null;
    }
    GsonBuilder builder = new GsonBuilder();
    if (StringUtils.isBlank(datePattern)) {
        datePattern = DEFAULT_DATE_PATTERN;
    }
    Gson gson = builder.create();
    try {
        return (T) gson.fromJson(json, token.getType());
    } catch (Exception ex) {
        LOGGER.error(json + " ? " + token.getRawType().getName() + " !", ex);
        return null;
    }
}

From source file:com.zekke.services.http.JsonRequestBuilder.java

License:Apache License

public <T> T callForResult(TypeToken<T> resultType) throws RequestException {
    String json = null;//  w ww  .j  a  va  2  s  .c  o  m
    try {
        setUpHeaders();
        setUpFormParams();
        Log.d(TAG, "URL: " + request.getURI());
        HttpResponse response = httpClient.execute(request);
        Log.d(TAG, "Status code: " + response.getStatusLine().getStatusCode());
        HttpEntity entity = response.getEntity();
        json = entity != null ? EntityUtils.toString(entity, HTTP.UTF_8) : null;
        if ((response.getStatusLine().getStatusCode() == HttpStatus.SC_OK
                || response.getStatusLine().getStatusCode() == HttpStatus.SC_CREATED)
                && !StringUtils.isNullOrBlank(json)) {
            return new Gson().fromJson(json, resultType.getType());
        }
    } catch (ClientProtocolException ex) {
        Log.e(TAG, "Developer bug :(", ex);
        throw new RequestException.Builder().setMessageResource(R.string.http_protocol_error).setErrorType(ex)
                .build();
    } catch (SocketTimeoutException ex) {
        Log.e(TAG, "Timeout", ex);
        throw new RequestException.Builder().setMessageResource(R.string.timeout_error).setErrorType(ex)
                .build();
    } catch (ConnectTimeoutException ex) {
        Log.e(TAG, "Timeout", ex);
        throw new RequestException.Builder().setMessageResource(R.string.timeout_error).setErrorType(ex)
                .build();
    } catch (UnsupportedEncodingException ex) {
        Log.e(TAG, "Developer bug :(", ex);
        throw new RequestException.Builder().setMessageResource(R.string.params_encoding_error).setErrorType(ex)
                .build();
    } catch (IOException ex) {
        Log.e(TAG, "Developer bug :(", ex);
        throw new RequestException.Builder().setMessageResource(R.string.unknown_error).setErrorType(ex)
                .build();
    } catch (JsonSyntaxException ex) {
        Log.e(TAG, "Developer bug :(", ex);
        throw new RequestException.Builder().setMessageResource(R.string.unknown_error).setErrorType(ex)
                .build();
    } catch (ParseException ex) {
        Log.e(TAG, "Developer bug :(", ex);
        throw new RequestException.Builder().setMessageResource(R.string.parse_response_error).setErrorType(ex)
                .build();
    } catch (Exception ex) {
        Log.e(TAG, "Developer bug :(", ex);
        throw new RequestException.Builder().setMessageResource(R.string.unknown_error).setErrorType(ex)
                .build();
    }

    if (!StringUtils.isNullOrBlank(json)) {
        try {
            Log.e(TAG, "Server error: " + json);
            throw new Gson().fromJson(json, RequestException.class);
        } catch (JsonSyntaxException ex) {
            throw new RequestException.Builder().setMessageResource(R.string.unknown_error).setErrorType(ex)
                    .build();
        }
    }

    return null;
}

From source file:contra.AddUpdateContraVoucher.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from  ww  w . ja v a 2s .  com*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    final String detailJson = request.getParameter("detail");
    TypeToken<List<ContraVoucherModel>> token = new TypeToken<List<ContraVoucherModel>>() {
    };
    List<ContraVoucherModel> detail = new Gson().fromJson(detailJson, token.getType());
    response.getWriter().print(saveVoucher((ArrayList<ContraVoucherModel>) detail));

}

From source file:DC.AddUpdateDCDetail.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*ww  w . ja v  a2s. c  o  m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    final String detailJson = request.getParameter("detail");
    TypeToken<List<SalesBillDetail>> token = new TypeToken<List<SalesBillDetail>>() {
    };
    List<SalesBillDetail> detail = new Gson().fromJson(detailJson, token.getType());
    response.getWriter().print(saveVoucher((ArrayList<SalesBillDetail>) detail));

}

From source file:de.anycook.einkaufszettel.tasks.LoadRecipesTask.java

License:Open Source License

@Override
protected List<RecipeResponse> doInBackground(Void... b) {
    try {//from ww w  .jav  a  2s.  c om
        LOGGER.d("Trying to load recipes from %s", url);

        HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();

        if (sharedPreferences.contains("last-modified-recipes") && !emptyRecipes) {
            httpURLConnection.setRequestProperty("If-Modified-Since",
                    sharedPreferences.getString("last-modified-recipes", null));
        }

        if (httpURLConnection.getResponseCode() != HttpURLConnection.HTTP_OK) {
            throw new IOException(httpURLConnection.getResponseMessage());
        }

        String newLastModified = httpURLConnection.getHeaderField("last-modified");
        if (newLastModified != null) {
            SharedPreferences.Editor editor = sharedPreferences.edit();
            editor.putString("last-modified-recipes", newLastModified);
            editor.apply();
        }

        Reader reader = new InputStreamReader(httpURLConnection.getInputStream());
        Gson gson = new Gson();
        TypeToken<ArrayList<RecipeResponse>> typeToken = new TypeToken<ArrayList<RecipeResponse>>() {
        };
        return gson.fromJson(reader, typeToken.getType());
    } catch (IOException e) {
        LOGGER.e("failed to load recipes from " + url, e);
        return Collections.emptyList();
    }
}

From source file:de.clemensbartz.jtwitchstreamsapi.util.network.JSONRequestor.java

License:Apache License

public synchronized static <T> T requestJSONForTypeToken(URL url, TypeToken<T> clazz) throws IOException {
    return new Gson().fromJson(JSONRequestor.getContent(url), clazz.getType());
}

From source file:de.hshannover.f4.trust.irongpm.rest.IfmapGraphJsonAdapter.java

License:Apache License

@Override
public IfmapGraphImpl deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
    IfmapGraphImpl graph = new IfmapGraphImpl();
    TypeToken<HashMap<String, JsonElement>> hashMapType = new TypeToken<HashMap<String, JsonElement>>() {
    };/*from w  w w .java 2s. c o m*/
    HashMap<String, JsonElement> jsonGraph = GSON.fromJson(json, hashMapType.getType());
    graph.setLastUpdated(jsonGraph.get("timestamp").getAsLong());
    JsonArray jsonLinkList = jsonGraph.get("links").getAsJsonArray();

    // Iterate over all link items, i.e. entries of identifier(s) and their
    // metadata
    for (JsonElement jsonLink : jsonLinkList) {
        HashMap<String, JsonElement> jsonItem = GSON.fromJson(jsonLink, hashMapType.getType());

        // Either we have two identifiers with a link that contains metadata
        if (jsonItem.get("identifiers").isJsonArray()) {
            JsonArray jsonIdentifierList = jsonItem.get("identifiers").getAsJsonArray();
            IfmapVertex identifierOne = ifmapVertexFromJson(jsonIdentifierList.get(0));
            IfmapVertex identifierTwo = ifmapVertexFromJson(jsonIdentifierList.get(1));
            IfmapVertex existingIdentifierOne = findVertex(identifierOne, graph);
            IfmapVertex existingIdentifierTwo = findVertex(identifierTwo, graph);
            if (existingIdentifierOne == null) {
                graph.addVertex(identifierOne);
            } else {
                identifierOne = existingIdentifierOne;
            }
            if (existingIdentifierTwo == null) {
                graph.addVertex(identifierTwo);
            } else {
                identifierTwo = existingIdentifierTwo;
            }

            if (jsonItem.get("metadata") != null) {
                // More than 1 metadatum
                if (jsonItem.get("metadata").isJsonArray()) {
                    JsonArray jsonMetadataList = jsonItem.get("metadata").getAsJsonArray();
                    for (JsonElement jsonMetadata : jsonMetadataList) {
                        Metadata meta = metadataFromJson(jsonMetadata);
                        IfmapEdgeImpl edge = new IfmapEdgeImpl(identifierOne, identifierTwo, meta);
                        graph.addEdgeSensitive(identifierOne, identifierTwo, edge);
                    }
                    // Exactly one connected metadatum
                } else {
                    Metadata meta = metadataFromJson(jsonItem.get("metadata"));
                    IfmapEdgeImpl edge = new IfmapEdgeImpl(identifierOne, identifierTwo, meta);
                    edge.setMetadata(meta);
                    graph.addEdgeSensitive(identifierOne, identifierTwo, edge);
                }
            }

            // ... or we have a single identifier with metadata attached to
        } else {
            IfmapVertex identifier = ifmapVertexFromJson(jsonItem.get("identifiers"));
            IfmapVertex existingIdentifier = findVertex(identifier, graph);
            if (existingIdentifier == null) {
                graph.addVertex(identifier);
            } else {
                identifier = existingIdentifier;
            }

            if (jsonItem.get("metadata") != null) {
                // More than 1 metadatum
                if (jsonItem.get("metadata").isJsonArray()) {
                    JsonArray jsonMetadataList = jsonItem.get("metadata").getAsJsonArray();
                    for (JsonElement jsonMetadata : jsonMetadataList) {
                        Metadata meta = metadataFromJson(jsonMetadata);
                        graph.addMetadataToVertex(identifier, meta);
                        // identifier.addMetadata(meta);
                    }
                    // Exactly one connected metadatum
                } else {
                    Metadata meta = metadataFromJson(jsonItem.get("metadata"));
                    graph.addMetadataToVertex(identifier, meta);
                    // identifier.addMetadata(meta);
                }
            }
            // ... or we have broken data

        }
    }
    return graph;
}

From source file:de.mtrstudios.nflpickem.Handlers.PickEmDataHandler.java

License:Apache License

/**
 * Pulls appData from the shared preferences
 * This appData is then stored in the appData variables
 * As appData from collections is stored as a JSON String, it needs to be deserialized
 *///ww w .j a  va2  s  . c om
private void loadDataFromSharedPreferences() {
    PickEmSharedPreferences preferences = PickEmSharedPreferences.getInstance();
    Gson gson = GsonHandler.getInstance().getGson();

    // User Name and Access-Token
    this.userToken = preferences.loadString(PickEmSharedPreferences.NAME_TOKEN);
    this.userName = preferences.loadString(PickEmSharedPreferences.NAME_USERNAME);

    // Last Season Info update
    long lastUpdateMs = preferences.loadLong(PickEmSharedPreferences.NAME_LAST_SEASON_UPDATE);
    if (lastUpdateMs != 0) {
        this.lastSeasonUpdate.setTimeInMillis(lastUpdateMs);
    }

    // Last appData update
    long lastDataUpdateMs = preferences.loadLong(PickEmSharedPreferences.NAME_LAST_DATA_UPDATE);
    if (lastDataUpdateMs != 0) {
        this.lastDataUpdate.setTimeInMillis(lastUpdateMs);
    }

    // Season Info
    String jsonSeasonInfo = preferences.loadString(PickEmSharedPreferences.NAME_SEASON_INFO);
    if (!jsonSeasonInfo.equals("null")) {
        seasonInfo = gson.fromJson(jsonSeasonInfo, SeasonInfo.class);
    }

    // Games
    String jsonGames = preferences.loadString(PickEmSharedPreferences.NAME_GAMES);
    if (!jsonGames.equals("null")) {
        TypeToken<List<Game>> typeToken = new TypeToken<List<Game>>() {
        };
        games = gson.fromJson(jsonGames, typeToken.getType());
    }

    // Scores
    String jsonScores = preferences.loadString(PickEmSharedPreferences.NAME_SCORES);
    if (!jsonScores.equals("null")) {
        TypeToken<HashMap<Integer, Score>> typeToken = new TypeToken<HashMap<Integer, Score>>() {
        };
        scoresByWeek = gson.fromJson(jsonScores, typeToken.getType());
    }

    // Games/Week
    String jsonGamesPerWeek = preferences.loadString(PickEmSharedPreferences.NAME_GAMES_PER_WEEK);
    if (!jsonGamesPerWeek.equals("null")) {
        TypeToken<HashMap<Integer, Integer>> typeToken = new TypeToken<HashMap<Integer, Integer>>() {
        };
        gamesPerWeek = gson.fromJson(jsonGamesPerWeek, typeToken.getType());
    }

    // HighScores
    String jsonHighscores = preferences.loadString(PickEmSharedPreferences.NAME_HIGHSCORES);
    if (!jsonHighscores.equals("null")) {
        TypeToken<List<Highscore>> typeToken = new TypeToken<List<Highscore>>() {
        };
        highscores = gson.fromJson(jsonHighscores, typeToken.getType());
    }
}

From source file:ec.com.espe.arqui.web.AsignarRecursosBean.java

public void consultaProductosRestFul() {
    ClienteConsultaSuministros cliente = new ClienteConsultaSuministros();

    String productos = cliente.consultaPOST(this.cadenaCOnsulta, MediaType.APPLICATION_JSON.getClass());

    TypeToken<List<Producto>> token = new TypeToken<List<Producto>>() {
    };/* w  w w .jav a  2s  .  c  o  m*/
    Gson gson = new Gson();
    this.productosConsulta = gson.fromJson(productos, token.getType());
}

From source file:fr.dudie.keolis.client.JsonResponseHandler.java

License:Open Source License

public JsonResponseHandler(final TypeToken<ApiResponse<V>> responseType) {
    this.type = responseType.getType();
}