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

List of usage examples for com.fasterxml.jackson.databind ObjectMapper readValue

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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:org.apache.parquet.cli.json.AvroJson.java

public static <T> T parse(String json, Class<T> returnType) {
    ObjectMapper mapper = new ObjectMapper();
    try {/*from ww  w .  ja va 2 s.  c  o  m*/
        return mapper.readValue(json, returnType);
    } catch (JsonParseException e) {
        throw new IllegalArgumentException("Invalid JSON", e);
    } catch (JsonMappingException e) {
        throw new IllegalArgumentException("Invalid JSON", e);
    } catch (IOException e) {
        throw new RuntimeIOException("Cannot initialize JSON parser", e);
    }
}

From source file:org.apache.parquet.cli.json.AvroJson.java

public static <T> T parse(InputStream json, Class<T> returnType) {
    ObjectMapper mapper = new ObjectMapper();
    try {/*from w  w w  .  j  av a  2s  .  c om*/
        return mapper.readValue(json, returnType);
    } catch (JsonParseException e) {
        throw new IllegalArgumentException("Invalid JSON stream", e);
    } catch (JsonMappingException e) {
        throw new IllegalArgumentException("Invalid JSON stream", e);
    } catch (IOException e) {
        throw new RuntimeIOException("Cannot initialize JSON parser", e);
    }
}

From source file:com.company.et.service.JsonService.java

public static Professor[] jsonToObjectProfessorArray(String json) throws IOException, ParseException {

    ObjectMapper mapper = new ObjectMapper();
    List<String> json_list = split(json);

    Professor[] profs = new Professor[json_list.size()];

    SimpleModule testModule = new SimpleModule("MyModule", new Version(1, 0, 0, null))
            .addDeserializer(Professor.class, new ProfessorDeserializer());

    mapper.registerModule(testModule);/*from   w w  w  . j  a  v a2  s. c o  m*/

    for (int i = 0; i < json_list.size(); i++) {
        //System.out.println(json_list.get(i));
        profs[i] = mapper.readValue(json_list.get(i), Professor.class);
    }

    return profs;
}

From source file:facturacion.restClient.EmpresaRest.java

public static Empresa GetEmpresaDetail(String empresa) {
    try {//from  w  w  w  .j a  v a  2 s  .co m
        Empresa e = new Empresa();
        ObjectMapper mapper = new ObjectMapper();
        System.out.println("empresa=" + empresa);
        WebTarget webTarget = Uri.uriEmpresaDetail(empresa);
        Invocation.Builder invocationBuilder = webTarget.request(MediaType.APPLICATION_JSON);
        invocationBuilder.header("some-header", "true");

        Response response = invocationBuilder.get();
        int in = response.getStatus();
        System.out.println("status=" + in);
        if (in == 200) {
            String cad = response.readEntity(String.class);
            e = mapper.readValue(cad, Empresa.class);
            System.out.println("FULLLLLLLLL");
        } else {
            e = null;
            System.out.println("EMPTYYYYYYYYy");
        }
        return e;
        //return (response.getStatus() == 200) ? mapper.readValue(response.readEntity(String.class),Empresa.class) : null;

    } catch (UnrecognizedPropertyException e) {
        System.out.println("error en los datooooos de mapeo de la URI");
        return null;
    } catch (ProcessingException e) {
        System.out.println("Error no se pudo conectar a la URI");
        return null;
    } catch (JsonGenerationException e) {
        System.out.println("---===> 1");
        e.printStackTrace();
        return null;
    } catch (JsonMappingException e) {
        System.out.println("---===> 2");
        e.printStackTrace();
        return null;
    } catch (Exception e) {
        System.out.println("---===> 3");
        e.printStackTrace();
        return null;
    }
}

From source file:com.zestedesavoir.zestwriter.utils.Configuration.java

public static String getLastRelease() throws IOException {
    String projectUrlRelease = "https://api.github.com/repos/firm1/zest-writer/releases/latest";

    String json = Request.Get(projectUrlRelease).execute().returnContent().asString();
    ObjectMapper mapper = new ObjectMapper(); // can reuse, share globally
    Map map = mapper.readValue(json, Map.class);
    if (map.containsKey("tag_name")) {
        return (String) map.get("tag_name");
    }//from  ww w . j  a v a2  s.  c o m
    return null;
}

From source file:com.spotify.heroic.shell.Tasks.java

public static BackendKeyFilter setupKeyFilter(KeyspaceBase params, ObjectMapper mapper) throws Exception {
    BackendKeyFilter filter = BackendKeyFilter.of();

    if (params.start != null) {
        filter = filter.withStart(//from   ww w .  j  a va2  s . c o  m
                BackendKeyFilter.gte(mapper.readValue(params.start, BackendKeyArgument.class).toBackendKey()));
    }

    if (params.startPercentage >= 0) {
        filter = filter.withStart(BackendKeyFilter.gtePercentage((float) params.startPercentage / 100f));
    }

    if (params.startToken != null) {
        filter = filter.withStart(BackendKeyFilter.gteToken(params.startToken));
    }

    if (params.end != null) {
        filter = filter.withEnd(
                BackendKeyFilter.lt(mapper.readValue(params.end, BackendKeyArgument.class).toBackendKey()));
    }

    if (params.endPercentage >= 0) {
        filter = filter.withEnd(BackendKeyFilter.ltPercentage((float) params.endPercentage / 100f));
    }

    if (params.endToken != null) {
        filter = filter.withEnd(BackendKeyFilter.ltToken(params.endToken));
    }

    filter = filter.withLimit(params.limit);
    return filter;
}

From source file:de.thingweb.desc.ThingDescriptionParser.java

/**
 * reshapes the input JSON-LD object using the standard Thing Description
 * context and having the thing description resource as object root.
 * //from  w  w  w  .jav a 2  s .  com
 * @param data
 *            UTF-8 encoded JSON-LD object
 * @return the reshaped JSON-LD object
 * @throws IOException
 *             error
 */
public static String reshape(byte[] data) throws IOException {
    ObjectMapper om = new ObjectMapper();

    try {
        Object jsonld = JsonUtils.fromInputStream(new ByteArrayInputStream(data));
        // TODO put the frame online instead
        Object frame = om.readValue("{\"http://www.w3c.org/wot/td#hasMetadata\":{}}", HashMap.class);

        jsonld = JsonLdProcessor.frame(jsonld, frame, new JsonLdOptions());
        return null;
        // return removeBlankNodes(compactJson(jsonld)).toString();
    } catch (JsonLdError e) {
        throw new IOException("Can't reshape triples", e);
    }
}

From source file:com.amazon.kinesis.streaming.agent.config.Configuration.java

/**
 * Build a configuration from an input stream containing JSON.
 *
 * @param is//from   w w  w  .  j  a  va  2 s. c  o  m
 * @return
 * @throws IOException
 */
@SuppressWarnings("unchecked")
public static Configuration get(InputStream is) throws IOException {
    ObjectMapper mapper = new ObjectMapper();
    mapper.configure(Feature.ALLOW_COMMENTS, true);
    return new Configuration(
            (Map<String, Object>) mapper.readValue(is, new TypeReference<HashMap<String, Object>>() {
            }));
}

From source file:com.ikanow.aleph2.data_model.utils.BeanTemplateUtils.java

/** Creates a property bean from the supplied config object
 * @param bean_root - the root of the configuration tree that needs to be converted to bean
 * @param bean_clazz - the class of the properties bean
 * @return//from w w w.  j ava 2 s .  c o m
 * @throws IOException 
 * @throws JsonMappingException 
 * @throws JsonParseException 
 */
static public <T> T from(final Config bean_root, final Class<T> bean_clazz)
        throws JsonParseException, JsonMappingException, IOException {
    if (null != bean_root) {
        ObjectMapper object_mapper = BeanTemplateUtils.configureMapper(Optional.empty());
        return object_mapper.readValue(bean_root.root().render(ConfigRenderOptions.concise()), bean_clazz);
    } else {
        return BeanTemplateUtils.build(bean_clazz).done().get();
    }
}

From source file:com.vmware.bdd.cli.commands.CommandsUtils.java

public static <T> T getObjectByJsonString(Class<T> entityType, String jsonString)
        throws JsonParseException, JsonMappingException, IOException {
    ObjectMapper mapper = getMapper();
    T mappedObject = null;/*w w  w. j  a v  a  2 s .c om*/
    mappedObject = mapper.readValue(jsonString, entityType);
    return mappedObject;
}