Example usage for com.fasterxml.jackson.core JsonParser nextToken

List of usage examples for com.fasterxml.jackson.core JsonParser nextToken

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser nextToken.

Prototype

public abstract JsonToken nextToken() throws IOException, JsonParseException;

Source Link

Document

Main iteration method, which will advance stream enough to determine type of the next token, if any.

Usage

From source file:monasca.thresh.utils.StatsdMetricConsumer.java

private boolean isValidJSON(final String json) {
    boolean valid = false;
    try {//from  ww  w .  j a v  a 2s .co m
        final JsonParser parser = new ObjectMapper().getFactory().createParser(json);
        while (parser.nextToken() != null) {
        }
        valid = true;
    } catch (JsonParseException jpe) {
        valid = false;
    } catch (IOException ioe) {
        valid = false;
    }
    return valid;
}

From source file:no.ssb.jsonstat.v2.deser.DimensionDeserializer.java

@Override
public Dimension.Builder deserialize(JsonParser p, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    // Get the name first.
    String name = parseName(p, ctxt);

    if (p.getCurrentToken() == JsonToken.START_OBJECT) {
        p.nextToken();
    }//w  w w .  j  a  v a  2 s .co m

    Dimension.Builder dimension;
    dimension = Dimension.create(name);

    while (p.nextValue() != JsonToken.END_OBJECT) {
        switch (p.getCurrentName()) {
        case "category":
            parseCategory(dimension, p, ctxt);
            break;
        case "label":
            dimension.withLabel(parseLabel(p, ctxt));
            break;
        default:
            ctxt.handleUnknownProperty(p, this, Dimension.Builder.class, p.getCurrentName());
            break;
        }
    }

    return dimension;
}

From source file:msearch.filmlisten.MSFilmlisteLesen.java

public void readFilmListe(String source, final ListeFilme listeFilme, int days) {
    JsonToken jsonToken;//from  w ww  .j a  v  a 2s.c  o m
    String sender = "", thema = "";
    listeFilme.clear();
    this.notifyStart(source, PROGRESS_MAX); // fr die Progressanzeige

    if (days > 0) {
        final long maxDays = 1000L * 60L * 60L * 24L * days;
        seconds = new Date().getTime() - maxDays;
    } else {
        seconds = 0;
    }

    try {
        InputStream in = selectDecompressor(source, getInputStreamForLocation(source));
        JsonParser jp = new JsonFactory().createParser(in);
        if (jp.nextToken() != JsonToken.START_OBJECT) {
            throw new IllegalStateException("Expected data to start with an Object");
        }

        while ((jsonToken = jp.nextToken()) != null) {
            if (jsonToken == JsonToken.END_OBJECT) {
                break;
            }
            if (jp.isExpectedStartArrayToken()) {
                for (int k = 0; k < ListeFilme.MAX_ELEM; ++k) {
                    listeFilme.metaDaten[k] = jp.nextTextValue();
                }
                break;
            }
        }
        while ((jsonToken = jp.nextToken()) != null) {
            if (jsonToken == JsonToken.END_OBJECT) {
                break;
            }
            if (jp.isExpectedStartArrayToken()) {
                // sind nur die Feldbeschreibungen, brauch mer nicht
                jp.nextToken();
                break;
            }
        }
        while (!MSConfig.getStop() && (jsonToken = jp.nextToken()) != null) {
            if (jsonToken == JsonToken.END_OBJECT) {
                break;
            }
            if (jp.isExpectedStartArrayToken()) {
                DatenFilm datenFilm = new DatenFilm();
                for (int i = 0; i < DatenFilm.COLUMN_NAMES_JSON.length; ++i) {
                    //if we are in FASTAUTO mode, we dont need film descriptions.
                    //this should speed up loading on low end devices...
                    if (workMode == WorkMode.FASTAUTO) {
                        if (DatenFilm.COLUMN_NAMES_JSON[i] == DatenFilm.FILM_BESCHREIBUNG_NR
                                || DatenFilm.COLUMN_NAMES_JSON[i] == DatenFilm.FILM_WEBSEITE_NR
                                || DatenFilm.COLUMN_NAMES_JSON[i] == DatenFilm.FILM_GEO_NR) {
                            jp.nextToken();
                            continue;
                        }
                    }

                    datenFilm.arr[DatenFilm.COLUMN_NAMES_JSON[i]] = jp.nextTextValue();
                    /// fr die Entwicklungszeit
                    if (datenFilm.arr[DatenFilm.COLUMN_NAMES_JSON[i]] == null) {
                        datenFilm.arr[DatenFilm.COLUMN_NAMES_JSON[i]] = "";
                    }
                }
                if (datenFilm.arr[DatenFilm.FILM_SENDER_NR].isEmpty()) {
                    datenFilm.arr[DatenFilm.FILM_SENDER_NR] = sender;
                } else {
                    sender = datenFilm.arr[DatenFilm.FILM_SENDER_NR];
                }
                if (datenFilm.arr[DatenFilm.FILM_THEMA_NR].isEmpty()) {
                    datenFilm.arr[DatenFilm.FILM_THEMA_NR] = thema;
                } else {
                    thema = datenFilm.arr[DatenFilm.FILM_THEMA_NR];
                }

                listeFilme.importFilmliste(datenFilm);
                if (seconds > 0) {
                    // muss "rckwrts" laufen, da das Datum sonst 2x gebaut werden muss
                    // wenns drin bleibt, kann mans noch ndern
                    if (!checkDate(datenFilm)) {
                        listeFilme.remove(datenFilm);
                    }
                }
            }
        }
    } catch (FileNotFoundException ex) {
        listeFilme.clear();
    } catch (Exception ex) {
        MSLog.fehlerMeldung(945123641, MSLog.FEHLER_ART_PROG,
                "MSearchIoXmlFilmlisteLesen.readFilmListe: " + source, ex);
        listeFilme.clear();
    }
    if (MSConfig.getStop()) {
        listeFilme.clear();
    }
    notifyFertig(source, listeFilme);
}

From source file:com.unboundid.scim2.client.requests.SearchRequestBuilder.java

/**
 * Invoke the SCIM retrieve request.//ww  w. j  a v a2 s  .co m
 *
 * @param post {@code true} to send the request using POST or {@code false}
 *             to send the request using GET.
 * @param <T> The type of objects to return.
 * @param resultHandler The search result handler that should be used to
 *                      process the resources.
 * @param cls The Java class object used to determine the type to return.
 * @throws ScimException If an error occurred.
 */
private <T> void invoke(final boolean post, final SearchResultHandler<T> resultHandler, final Class<T> cls)
        throws ScimException {
    Response response;
    if (post) {
        Set<String> attributeSet = null;
        Set<String> excludedAttributeSet = null;
        if (attributes != null && attributes.size() > 0) {
            if (!excluded) {
                attributeSet = attributes;
            } else {
                excludedAttributeSet = attributes;
            }
        }

        SearchRequest searchRequest = new SearchRequest(attributeSet, excludedAttributeSet, filter, sortBy,
                sortOrder, startIndex, count);

        Invocation.Builder builder = target().path(ApiConstants.SEARCH_WITH_POST_PATH_EXTENSION)
                .request(ScimService.MEDIA_TYPE_SCIM_TYPE, MediaType.APPLICATION_JSON_TYPE);
        for (Map.Entry<String, List<Object>> header : headers.entrySet()) {
            builder = builder.header(header.getKey(), StaticUtils.listToString(header.getValue(), ", "));
        }
        response = builder.post(Entity.entity(searchRequest, getContentType()));
    } else {
        response = buildRequest().get();
    }

    try {
        if (response.getStatusInfo().getFamily() == Response.Status.Family.SUCCESSFUL) {
            InputStream inputStream = response.readEntity(InputStream.class);
            try {
                JsonParser parser = JsonUtils.getObjectReader().getFactory().createParser(inputStream);
                try {
                    parser.nextToken();
                    boolean stop = false;
                    while (!stop && parser.nextToken() != JsonToken.END_OBJECT) {
                        String field = parser.getCurrentName();
                        parser.nextToken();
                        if (field.equals("schemas")) {
                            parser.skipChildren();
                        } else if (field.equals("totalResults")) {
                            resultHandler.totalResults(parser.getIntValue());
                        } else if (field.equals("startIndex")) {
                            resultHandler.startIndex(parser.getIntValue());
                        } else if (field.equals("itemsPerPage")) {
                            resultHandler.itemsPerPage(parser.getIntValue());
                        } else if (field.equals("Resources")) {
                            while (parser.nextToken() != JsonToken.END_ARRAY) {
                                if (!resultHandler.resource(parser.readValueAs(cls))) {
                                    stop = true;
                                    break;
                                }
                            }
                        } else if (SchemaUtils.isUrn(field)) {
                            resultHandler.extension(field, parser.<ObjectNode>readValueAsTree());
                        } else {
                            // Just skip this field
                            parser.nextToken();
                        }
                    }
                } finally {
                    if (inputStream != null) {
                        inputStream.close();
                    }
                    parser.close();
                }
            } catch (IOException e) {
                throw new ResponseProcessingException(response, e);
            }
        } else {
            throw toScimException(response);
        }
    } finally {
        response.close();
    }
}

From source file:de.upb.wdqa.wdvd.datamodel.oldjson.jackson.deserializers.OldJacksonSnakDeserializer.java

@Override
public OldJacksonSnak deserialize(JsonParser p, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    OldJacksonSnak result = null;/*from w  ww .  ja  va 2  s.c  o m*/

    if (!p.getCurrentToken().equals(JsonToken.START_ARRAY)) {
        logger.warn("Token " + JsonToken.START_ARRAY + " expected");
    }

    p.nextToken();
    String type = p.getText();
    p.nextToken();

    // determine type
    if (type.equals("value")) {
        OldJacksonValueSnak valuesnak = new OldJacksonValueSnak();
        valuesnak.setProperty("P" + p.getIntValue());
        p.nextToken();
        valuesnak.setDatatype(p.getText());
        p.nextToken();

        ObjectMapper mapper = (ObjectMapper) p.getCodec();
        JsonNode root = mapper.readTree(p);
        Class<? extends OldJacksonValue> valueClass = getValueClass(valuesnak.getDatatype());
        if (valueClass != null) {
            valuesnak.setDatavalue(mapper.treeToValue(root, valueClass));
        }

        p.nextToken();

        result = valuesnak;
    } else if (type.equals("novalue")) {
        result = new OldJacksonNoValueSnak();
        result.setProperty("P" + p.getIntValue());
        p.nextToken();
    } else if (type.equals("somevalue")) {
        result = new OldJacksonSomeValueSnak();
        result.setProperty("P" + p.getIntValue());
        p.nextToken();
    } else {
        logger.warn("Unknown value type: " + type);
    }

    if (!p.getCurrentToken().equals(JsonToken.END_ARRAY)) {
        logger.warn("Token " + JsonToken.END_ARRAY + " expected");
    }

    return result;
}

From source file:no.ssb.jsonstat.v2.deser.DatasetDeserializer.java

@Override
public DatasetBuildable deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
    if (p.getCurrentToken() == JsonToken.START_OBJECT) {
        p.nextToken();
    }//w w w .  java  2s  .  co m

    Set<String> ids = Collections.emptySet();
    List<Integer> sizes = Collections.emptyList();
    Multimap<String, String> roles = ArrayListMultimap.create();
    Map<String, Dimension.Builder> dims = Collections.emptyMap();
    List<Number> values = Collections.emptyList();

    DatasetBuilder builder = Dataset.create();
    Optional<String> version = Optional.empty();
    Optional<String> clazz = Optional.empty();
    Optional<ObjectNode> extension = Optional.empty();

    while (p.nextValue() != JsonToken.END_OBJECT) {
        switch (p.getCurrentName()) {
        case "label":
            builder.withLabel(_parseString(p, ctxt));
            break;
        case "source":
            builder.withSource(_parseString(p, ctxt));
            break;
        case "href":
            break;
        case "updated":
            Instant updated = parseEcmaDate(_parseString(p, ctxt));
            builder.updatedAt(updated);
            break;
        case "value":
            values = parseValues(p, ctxt);
            break;
        case "dimension":
            if (!version.orElse("1.x").equals("2.0")) {
                dims = Maps.newHashMap();
                // Deal with the id, size and role inside dimension.
                while (p.nextValue() != JsonToken.END_OBJECT) {
                    switch (p.getCurrentName()) {
                    case "id":
                        ids = p.readValueAs(ID_SET);
                        break;
                    case "size":
                        sizes = p.readValueAs(SIZE_LIST);
                        break;
                    case "role":
                        roles = p.readValueAs(ROLE_MULTIMAP);
                        break;
                    default:
                        dims.put(p.getCurrentName(), ctxt.readValue(p, Dimension.Builder.class));
                    }
                }
            } else {
                dims = p.readValueAs(DIMENSION_MAP);
            }
            break;
        case "id":
            ids = p.readValueAs(ID_SET);
            break;
        case "size":
            sizes = p.readValueAs(SIZE_LIST);
            break;
        case "role":
            roles = p.readValueAs(ROLE_MULTIMAP);
            break;
        case "extension":
            extension = Optional.of(ctxt.readValue(p, ObjectNode.class));
            break;
        case "link":
        case "status":
            // TODO
            p.skipChildren();
            break;
        case "version":
            version = Optional.of(_parseString(p, ctxt));
            break;
        case "class":
            // TODO
            clazz = Optional.of(_parseString(p, ctxt));
            break;
        default:
            boolean handled = ctxt.handleUnknownProperty(p, this, Dimension.Builder.class, p.getCurrentName());
            if (!handled)
                p.skipChildren();
            break;
        }
    }

    // Setup roles
    for (Map.Entry<String, String> dimRole : roles.entries()) {
        Dimension.Roles role = Dimension.Roles.valueOf(dimRole.getKey().toUpperCase());
        Dimension.Builder dimension = checkNotNull(dims.get(dimRole.getValue()),
                "could not assign the role {} to the dimension {}. The dimension did not exist", role,
                dimRole.getValue()

        );
        dimension.withRole(role);
    }

    List<Dimension.Builder> orderedDimensions = Lists.newArrayList();
    for (String dimensionName : ids) {
        orderedDimensions.add(dims.get(dimensionName));
    }

    // TODO: Check size?

    // Check ids and add to the data set.
    checkArgument(ids.size() == dims.size(), "dimension and size did not match");

    if (extension.isPresent()) {
        builder.withExtension(extension.get());
    }

    return builder.withDimensions(orderedDimensions).withValues(values);
}

From source file:com.addthis.codec.jackson.CodecTypeDeserializer.java

private Object _deserializeObjectFromProperty(ObjectNode objectNode, ObjectCodec objectCodec,
        DeserializationContext ctxt) throws IOException {
    String type = objectNode.get(_typePropertyName).asText();
    if (!_typeIdVisible) {
        objectNode.remove(_typePropertyName);
    }//from   ww w.jav a2 s .  c o m
    JsonDeserializer<Object> deser;
    try {
        deser = _findDeserializer(ctxt, type);
    } catch (Throwable cause) {
        throw wrapWithPath(cause, Class.class, _typePropertyName);
    }
    ConfigObject aliasDefaults = pluginMap.aliasDefaults(type);
    String primaryField;
    if (aliasDefaults.containsKey("_primary")) {
        primaryField = (String) aliasDefaults.get("_primary").unwrapped();
    } else {
        primaryField = null;
    }
    boolean unwrapPrimary = handleDefaultsAndImplicitPrimary(objectNode, aliasDefaults, deser, ctxt);
    try {
        JsonParser treeParser = objectCodec.treeAsTokens(objectNode);
        treeParser.nextToken();
        return deser.deserialize(treeParser, ctxt);
    } catch (IOException cause) {
        if (unwrapPrimary) {
            throw Jackson.maybeUnwrapPath(primaryField, cause);
        } else {
            throw cause;
        }
    }
}

From source file:com.addthis.codec.jackson.CodecTypeDeserializer.java

@Nullable
private Object _deserializeTypedFromArray(ArrayNode arrayNode, ObjectCodec objectCodec,
        DeserializationContext ctxt) throws IOException {
    if (idRes.isValidTypeId("_array")) {
        Config aliasDefaults = pluginMap.aliasDefaults("_array").toConfig();
        String arrayField = aliasDefaults.getString("_primary");
        try {/*from  w  w  w. j  a va2s  .  co  m*/
            ObjectNode objectFieldValues = (ObjectNode) objectCodec.createObjectNode();
            Jackson.setAt(objectFieldValues, arrayNode, arrayField);
            ObjectNode aliasFieldDefaults = Jackson.configConverter(aliasDefaults.root());
            Jackson.merge(objectFieldValues, aliasFieldDefaults);
            JsonDeserializer<Object> deser = _findDeserializer(ctxt, "_array");
            JsonParser treeParser = objectCodec.treeAsTokens(objectFieldValues);
            treeParser.nextToken();
            return deser.deserialize(treeParser, ctxt);
        } catch (IOException ex) {
            throw Jackson.maybeUnwrapPath(arrayField, ex);
        }
    } else {
        return null;
    }
}

From source file:com.boundary.zoocreeper.Restore.java

private void doRestore(JsonParser jp, ZooKeeper zk) throws IOException, KeeperException, InterruptedException {
    expectNextToken(jp, JsonToken.START_OBJECT);
    final Set<String> createdPaths = Sets.newHashSet();
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        final BackupZNode zNode = readZNode(jp, jp.getCurrentName());
        // We are the root
        if (path.isEmpty()) {
            path.add(zNode);//from   w w w  .j  av  a2 s.co  m
        } else {
            for (ListIterator<BackupZNode> it = path.listIterator(path.size()); it.hasPrevious();) {
                final BackupZNode parent = it.previous();
                if (zNode.path.startsWith(parent.path)) {
                    break;
                }
                it.remove();
            }
            path.add(zNode);
        }
        if (zNode.ephemeralOwner != 0) {
            LOGGER.info("Skipping ephemeral ZNode: {}", zNode.path);
            continue;
        }
        if (!zNode.path.startsWith(options.rootPath)) {
            LOGGER.info("Skipping ZNode (not under root path '{}'): {}", options.rootPath, zNode.path);
            continue;
        }
        if (options.isPathExcluded(LOGGER, zNode.path) || !options.isPathIncluded(LOGGER, zNode.path)) {
            continue;
        }
        for (BackupZNode pathComponent : path) {
            if (createdPaths.add(pathComponent.path)) {
                restoreNode(zk, pathComponent);
            }
        }
    }
}

From source file:io.pdef.json.JsonJacksonFormat.java

private <T> T read(final JsonParser parser, final DataTypeDescriptor<T> descriptor) throws Exception {
    Object jsonObject;//w  ww  .java 2s .c om

    try {
        parser.nextToken();
        jsonObject = read(parser);
    } finally {
        parser.close();
    }

    return objectFormat.read(jsonObject, descriptor);
}