Example usage for com.fasterxml.jackson.databind ObjectMapper readValue

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind ObjectMapper readValue.

Prototype

@SuppressWarnings("unchecked")
    public <T> T readValue(byte[] src, JavaType valueType)
            throws IOException, JsonParseException, JsonMappingException

Source Link

Usage

From source file:com.amazon.android.navigator.NavigatorModelParser.java

/**
 * Parses the Navigator JSON file into a {@link NavigatorModel} object. The JSON file is
 * defined/*from   w w w .  ja  va 2  s  .co m*/
 * by the {@link Navigator#NAVIGATOR_FILE} string.
 *
 * @param context The context.
 * @return A NavigatorModel object.
 */
public static NavigatorModel parse(Context context, String navigatorFile) {

    NavigatorModel navigatorModel = null;

    try {
        ObjectMapper objectMapper = new ObjectMapper();
        String navigatorFileString = FileHelper.readFile(context, navigatorFile);
        navigatorModel = objectMapper.readValue(navigatorFileString, NavigatorModel.class);

        Log.v(TAG, "Navigator Model: " + navigatorModel.toString());

        // Preload recipes
        for (NavigatorModel.GlobalRecipes globalRecipes : navigatorModel.getGlobalRecipes()) {

            // Load category recipes if there is no hard coded name defined.
            if (globalRecipes.getCategories() != null && globalRecipes.getCategories().name == null) {

                globalRecipes.getCategories().dataLoaderRecipe = Recipe.newInstance(context,
                        globalRecipes.getCategories().dataLoader);

                globalRecipes.getCategories().dynamicParserRecipe = Recipe.newInstance(context,
                        globalRecipes.getCategories().dynamicParser);
            }

            if (globalRecipes.getContents() != null) {
                globalRecipes.getContents().dataLoaderRecipe = Recipe.newInstance(context,
                        globalRecipes.getContents().dataLoader);

                globalRecipes.getContents().dynamicParserRecipe = Recipe.newInstance(context,
                        globalRecipes.getContents().dynamicParser);
            }
        }
        // Preload Recommendation recipes
        if (navigatorModel.getRecommendationRecipes() != null) {
            for (NavigatorModel.RecommendationRecipes recommendationRecipes : navigatorModel
                    .getRecommendationRecipes()) {

                if (recommendationRecipes.getContents() != null) {
                    recommendationRecipes.getContents().dataLoaderRecipe = Recipe.newInstance(context,
                            recommendationRecipes.getContents().dataLoader);

                    recommendationRecipes.getContents().dynamicParserRecipe = Recipe.newInstance(context,
                            recommendationRecipes.getContents().dynamicParser);

                }
            }
        }
    } catch (Exception e) {
        Log.e(TAG, "Navigator parsing failed!!! ", e);
    }
    return navigatorModel;
}

From source file:com.ibm.iotf.connector.Connector.java

public static <T> T parseEnv(String serviceName, Class<T> classType) {
    try {//from  w  w  w .  j  av  a 2 s.  c  o m
        String vcap = System.getenv("VCAP_SERVICES");

        if (vcap == null) {
            logger.log(Level.FATAL, "VCAP_SERVICES env var not defined");
            return null;
        }

        ObjectMapper mapper = new ObjectMapper();
        JsonNode vcapServicesJson = mapper.readValue(vcap, JsonNode.class);

        // only attempt to parse the config if the env has an entry for the requested service
        if (vcapServicesJson.has(serviceName)) {
            T env = mapper.readValue(vcapServicesJson.get(serviceName).get(0).toString(), classType);
            return env;
        } else {
            logger.log(Level.FATAL, "Error parsing VCAP_SERVICES:  Could not find a service instance for '"
                    + serviceName + "'.");
        }
    } catch (Exception e) {
        logger.log(Level.FATAL, "Error parsing service configuraton from VCAP_SERVICES for service '"
                + serviceName + "': " + e.getMessage(), e);
    }

    return null;
}

From source file:fi.luontola.cqrshotel.JsonSerializationTest.java

private static void assertSerializable(Class<?> type, ObjectMapper objectMapper) {
    try {/*  ww  w. j av a  2 s. c o m*/
        Object original = newDummy(type);
        String json = objectMapper.writeValueAsString(original);
        Object deserialized = objectMapper.readValue(json, type);
        assertThat(deserialized, is(original));
    } catch (Exception e) {
        throw new AssertionError("Not serializable: " + type, e);
    }
}

From source file:com.twosigma.beaker.table.serializer.TableDisplayDeSerializer.java

@SuppressWarnings("unchecked")
public static List<String> getColumns(JsonNode n, ObjectMapper mapper) throws IOException {
    List<String> columns = null;
    if (n.has("columnNames"))
        columns = mapper.readValue(n.get("columnNames").asText(), List.class);
    return columns;
}

From source file:com.netflix.suro.routing.TestMessageRouter.java

private static Map<String, Sink> getSinkMap(ObjectMapper jsonMapper, String desc) throws Exception {
    return jsonMapper.readValue(desc, new TypeReference<Map<String, Sink>>() {
    });/*  ww w  . j  a  va 2 s  .  c  om*/
}

From source file:com.netflix.suro.routing.TestMessageRouter.java

private static Map<String, RoutingInfo> getRoutingMap(ObjectMapper jsonMapper, String desc) throws Exception {
    return jsonMapper.readValue(desc, new TypeReference<Map<String, RoutingInfo>>() {
    });//from   www  .ja v a  2 s  .c  om
}

From source file:com.streamsets.datacollector.util.PipelineConfigurationUtil.java

private static PipelineConfiguration getPipelineConfiguration(String pipelineJson) throws IOException {
    ObjectMapper json = ObjectMapperFactory.getOneLine();
    PipelineConfigurationJson pipelineConfigBean = json.readValue(pipelineJson,
            PipelineConfigurationJson.class);
    return BeanHelper.unwrapPipelineConfiguration(pipelineConfigBean);
}

From source file:at.becast.youploader.account.Account.java

public static Account read(String name) throws IOException {
    PreparedStatement stmt;/*from   w ww  . ja v  a2s  .  co m*/
    try {
        stmt = c.prepareStatement("SELECT * FROM `accounts` WHERE `name`=? LIMIT 1");
        stmt.setString(1, name);
        ResultSet rs = stmt.executeQuery();
        ObjectMapper mapper = new ObjectMapper();
        List<Cookie> c = mapper.readValue(rs.getString("cookie"), new TypeReference<List<Cookie>>() {
        });
        int id = rs.getInt("id");
        String token = rs.getString("refresh_token");
        stmt.close();
        rs.close();
        return new Account(id, name, token, c);
    } catch (SQLException e) {
        LOG.error("Account read error!", e);
        return null;
    }
}

From source file:at.becast.youploader.account.Account.java

public static Account read(int id) throws IOException {
    PreparedStatement stmt;/*w w  w  .ja va 2 s . co m*/
    try {
        stmt = c.prepareStatement("SELECT * FROM `accounts` WHERE `id`=? LIMIT 1");
        stmt.setInt(1, id);
        ResultSet rs = stmt.executeQuery();
        ObjectMapper mapper = new ObjectMapper();
        List<Cookie> c = mapper.readValue(rs.getString("cookie"), new TypeReference<List<Cookie>>() {
        });
        String name = rs.getString("name");
        String token = rs.getString("refresh_token");
        stmt.close();
        rs.close();
        return new Account(id, name, token, c);
    } catch (SQLException e) {
        LOG.error("Account read error!", e);
        return null;
    }
}

From source file:uk.ac.sanger.cgp.wwdocker.actions.Utils.java

public static Object jsonToObject(String json, Class classType) {
    ObjectMapper mapper = new ObjectMapper();
    Object obj;//from   www . j ava  2  s .  c  o m
    try {
        obj = mapper.readValue(json, classType);
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    return obj;
}