Example usage for com.fasterxml.jackson.databind JsonNode elements

List of usage examples for com.fasterxml.jackson.databind JsonNode elements

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind JsonNode elements.

Prototype

public Iterator<JsonNode> elements()

Source Link

Usage

From source file:org.jberet.support.io.MongoItemReaderTest.java

static void addTestData(final String dataResource, final String mongoCollection, final int minSizeIfExists)
        throws Exception {
    final DBCollection collection = db.getCollection(mongoCollection);
    if (collection.find().count() >= minSizeIfExists) {
        System.out.printf("The readCollection %s already contains 100 items, skip adding test data.%n",
                mongoCollection);/*from  w  w w.j a  va 2  s .co m*/
        return;
    }

    InputStream inputStream = MongoItemReaderTest.class.getClassLoader().getResourceAsStream(dataResource);
    if (inputStream == null) {
        try {
            final URL url = new URI(dataResource).toURL();
            inputStream = url.openStream();
        } catch (final Exception e) {
            System.out.printf("Failed to convert dataResource %s to URL: %s%n", dataResource, e);
        }
    }
    if (inputStream == null) {
        throw new IllegalStateException("The inputStream for the test data is null");
    }

    final JsonFactory jsonFactory = new MappingJsonFactory();
    final JsonParser parser = jsonFactory.createParser(inputStream);
    final JsonNode arrayNode = parser.readValueAs(ArrayNode.class);

    final Iterator<JsonNode> elements = arrayNode.elements();
    final List<DBObject> dbObjects = new ArrayList<DBObject>();
    while (elements.hasNext()) {
        final DBObject dbObject = (DBObject) JSON.parse(elements.next().toString());
        dbObjects.add(dbObject);
    }
    collection.insert(dbObjects);
}

From source file:system.controllers.KeywordApp.java

/**
 * //ww  w  . ja va 2s  .  c o  m
 * @Title: keyWordExcel 
 * @Description: ?excel
 * @param type 
 * @param startDate 
 * @param endDate ?
 * @param searchText 
 * @return
 */
public static Result keyWordExcel(String type, String startDate, String endDate, String searchText) {
    String result = getKeyWordCount(searchText, type, startDate, endDate, "-1");
    JsonNode json = play.libs.Json.parse(result);
    json = json.findPath("data");
    Iterator<JsonNode> iterator = json.elements();
    List<KeyWordVO> list = new ArrayList<KeyWordVO>();
    while (iterator.hasNext()) {
        json = iterator.next();
        KeyWordVO vo = new KeyWordVO();
        vo.setWord(json.findPath("word").textValue());
        vo.setSearchNum(json.findPath("searchNum").asInt());
        list.add(vo);
    }
    try {
        Long time = System.currentTimeMillis();
        play.mvc.Http.Response response = response();
        response.setContentType("application/x-msdownload;");
        response.setHeader("Content-disposition", "attachment; filename=" + java.net.URLEncoder
                .encode("_" + getExcelName(type, startDate, endDate) + ".xls", "UTF-8"));
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        ExcelUtil.export(KeyWordVO.class, list, os);
        byte[] excel = os.toByteArray();
        os.close();
        response.setHeader("Content-Length", String.valueOf(excel.length));
        return ok(excel);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return ok();
}

From source file:org.fcrepo.camel.processor.EventProcessor.java

private static Optional<List<String>> getValues(final JsonNode node, final String fieldName) {
    if (node.has(fieldName)) {
        final JsonNode field = node.get(fieldName);
        if (field.isArray()) {
            final List<String> elements = new ArrayList<>();
            field.elements().forEachRemaining(elem -> {
                if (elem.isTextual()) {
                    elements.add(elem.asText());
                }/*from w  w  w  .j a  va2s.  c  o  m*/
            });
            return of(elements);
        } else if (field.isTextual()) {
            return of(singletonList(field.asText()));
        }
    }
    return empty();
}

From source file:utils.SampleData.java

public static String convertToHexString(JsonNode node) {
    String result = null;/*from  w  w  w . j ava2  s  .  c  o  m*/
    if (node != null) {
        if (node.isArray()) {
            Iterator<JsonNode> arrayIterator = node.elements();
            StringBuilder sb = new StringBuilder();
            while (arrayIterator.hasNext()) {
                JsonNode elementNode = arrayIterator.next();
                if (elementNode != null) {
                    String text = elementNode.asText();
                    if (StringUtils.isNotBlank(text)) {
                        byte[] bytes = text.getBytes();
                        if (bytes != null && bytes.length > 0) {
                            sb.append(String.format("%02x", text.getBytes()[0]));
                        }
                    }
                }
            }
            result = sb.toString();
        } else {
            result = node.asText();
        }
    }

    return result;
}

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

/** Converts (possibly recursively) a JsonNode to its Java equivalent
 * @param to_convert - the JsonNode to convert to...
 * @return - ...a Java primitive, or Map<String, Object>, or List<Object> (where Object is a java type) 
 *//*from   w ww.  jav  a 2s .c  o m*/
public static Object jacksonToJava(final JsonNode to_convert) {
    final JsonNodeType type = to_convert.getNodeType(); // (we'll go old school for this...)
    switch (type) {
    case ARRAY:
        return Optionals.streamOf(to_convert.elements(), false).map(j -> jacksonToJava(j))
                .collect(Collectors.toList());
    case BINARY:
        try {
            return to_convert.binaryValue();
        } catch (IOException e) {
            return null;
        }
    case BOOLEAN:
        return to_convert.asBoolean();
    case NUMBER:
        if (to_convert.isFloatingPointNumber()) {
            return to_convert.asDouble();
        } else {
            return to_convert.asLong();
        }
    case OBJECT:
        return _mapper.convertValue(to_convert, Map.class);
    case POJO:
        return ((POJONode) to_convert).getPojo();
    case STRING:
        return to_convert.asText();
    default: // (MISSING, NULL)
        return null;
    }
}

From source file:org.neo4j.ogm.drivers.http.request.HttpRequest.java

private static String parseError(String responseBody) {
    try {//from   w ww .  j  a  v  a 2s. c o m
        final JsonNode responseNode = OBJECT_MAPPER.readTree(responseBody);
        final JsonNode errors = responseNode.findValue("errors");
        if (errors.elements().hasNext()) {
            final JsonNode errorNode = errors.elements().next();
            return errorNode.findValue("message").asText();
        } else {
            return responseBody;
        }
    } catch (JsonParseException e) {
        // Don't return the responseBody here as it is logged in #execute
        // See: https://www.owasp.org/index.php/Log_Injection, returning
        // it above should be rethought as well.
        return JSON_PARSE_ERROR_EXCEPTION_MESSAGE;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:models.service.reminder.RemindService.java

/**
 * ????// www . j  av a2 s .co m
 * 
 * @param cfg json
 * @param items ??item
 * 
 * @return true:, false:
 */
public static boolean verifyCfg(JsonNode cfg, Item[] items) {
    if (null == cfg) {
        return false;
    }

    boolean isSuccess = true;
    int count = 0;
    for (Item item : items) {
        if (!item.isEnable) {
            continue;
        }

        String itemVal = item.getVal();

        // ??
        if (cfg.hasNonNull(itemVal) && cfg.get(itemVal).isArray()) {
            JsonNode optionsNode = cfg.get(itemVal);
            Iterator<JsonNode> optionsIt = optionsNode.elements();

            // ??
            Set<String> optionSet = new HashSet<>();
            while (optionsIt.hasNext()) {
                String optionString = optionsIt.next().asText();

                if (!Option.isContainVal(optionString)) {
                    isSuccess = false;
                    break;
                }

                optionSet.add(optionString);
            }
            if (!isSuccess) {
                break;
            }

            // ?????
            if (optionSet.size() != optionsNode.size()) {
                isSuccess = false;
                break;
            }

            count++;
        } else {
            isSuccess = false;
            break;
        }
    }

    // ?
    if (cfg.size() > count) {
        isSuccess = false;
    }

    return isSuccess;
}

From source file:io.gravitee.policy.oauth2.Oauth2Policy.java

static boolean hasRequiredScopes(JsonNode oauthResponseNode, List<String> requiredScopes,
        String scopeSeparator) {/*from w w  w  .j  a  v  a  2  s . c o  m*/
    if (requiredScopes == null) {
        return true;
    }

    JsonNode scopesNode = oauthResponseNode.path(OAUTH_PAYLOAD_SCOPE_NODE);

    List<String> scopes;
    if (scopesNode instanceof ArrayNode) {
        Iterator<JsonNode> scopeIterator = scopesNode.elements();
        scopes = new ArrayList<>(scopesNode.size());
        List<String> finalScopes = scopes;
        scopeIterator.forEachRemaining(jsonNode -> finalScopes.add(jsonNode.asText()));
    } else {
        scopes = Arrays.asList(scopesNode.asText().split(scopeSeparator));
    }

    return scopes.containsAll(requiredScopes);
}

From source file:com.msopentech.odatajclient.engine.data.json.DOMTreeUtils.java

/**
 * Recursively builds DOM content out of JSON subtree rooted at given node.
 *
 * @param document root of the DOM document being built
 * @param parent parent of the nodes being generated during this step
 * @param node JSON node to be used as source for DOM elements
 *//*w  w  w. j av a2  s.  co m*/
public static void buildSubtree(final Element parent, final JsonNode node) {
    final Iterator<String> fieldNameItor = node.fieldNames();
    final Iterator<JsonNode> nodeItor = node.elements();
    while (nodeItor.hasNext()) {
        final JsonNode child = nodeItor.next();
        final String name = fieldNameItor.hasNext() ? fieldNameItor.next() : "";

        // no name? array item
        if (name.isEmpty()) {
            final Element element = parent.getOwnerDocument().createElementNS(ODataConstants.NS_DATASERVICES,
                    ODataConstants.PREFIX_DATASERVICES + ODataConstants.ELEM_ELEMENT);
            parent.appendChild(element);

            if (child.isValueNode()) {
                if (child.isNull()) {
                    element.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_NULL,
                            Boolean.toString(true));
                } else {
                    element.appendChild(parent.getOwnerDocument().createTextNode(child.asText()));
                }
            }

            if (child.isContainerNode()) {
                buildSubtree(element, child);
            }
        } else if (!name.contains("@") && !ODataConstants.JSON_TYPE.equals(name)) {
            final Element property = parent.getOwnerDocument().createElementNS(ODataConstants.NS_DATASERVICES,
                    ODataConstants.PREFIX_DATASERVICES + name);
            parent.appendChild(property);

            boolean typeSet = false;
            if (node.hasNonNull(name + "@" + ODataConstants.JSON_TYPE)) {
                property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                        node.get(name + "@" + ODataConstants.JSON_TYPE).textValue());
                typeSet = true;
            }

            if (child.isNull()) {
                property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_NULL,
                        Boolean.toString(true));
            } else if (child.isValueNode()) {
                if (!typeSet) {
                    if (child.isInt()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Int32.toString());
                    }
                    if (child.isLong()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Int64.toString());
                    }
                    if (child.isBigDecimal()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Decimal.toString());
                    }
                    if (child.isDouble()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Double.toString());
                    }
                    if (child.isBoolean()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Boolean.toString());
                    }
                    if (child.isTextual()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.String.toString());
                    }
                }

                property.appendChild(parent.getOwnerDocument().createTextNode(child.asText()));
            } else if (child.isContainerNode()) {
                if (!typeSet && child.hasNonNull(ODataConstants.JSON_TYPE)) {
                    property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                            child.get(ODataConstants.JSON_TYPE).textValue());
                }

                final String type = property.getAttribute(ODataConstants.ATTR_M_TYPE);
                if (StringUtils.isNotBlank(type) && EdmSimpleType.isGeospatial(type)) {
                    if (EdmSimpleType.Geography.toString().equals(type)
                            || EdmSimpleType.Geometry.toString().equals(type)) {

                        final String geoType = child.get(ODataConstants.ATTR_TYPE).textValue();
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                geoType.startsWith("Geo") ? EdmSimpleType.namespace() + "." + geoType
                                        : type + geoType);
                    }

                    if (child.has(ODataConstants.JSON_COORDINATES)
                            || child.has(ODataConstants.JSON_GEOMETRIES)) {
                        GeospatialJSONHandler.deserialize(child, property,
                                property.getAttribute(ODataConstants.ATTR_M_TYPE));
                    }
                } else {
                    buildSubtree(property, child);
                }
            }
        }
    }
}

From source file:com.msopentech.odatajclient.engine.data.json.DOMTreeUtilsV4.java

public static void buildSubtree(final Element parent, final JsonNode node) {
    final String v4AnnotationPrefix = "@";
    final Iterator<String> fieldNameItor = node.fieldNames();
    final Iterator<JsonNode> nodeItor = node.elements();
    while (nodeItor.hasNext()) {
        final JsonNode child = nodeItor.next();
        final String name = fieldNameItor.hasNext() ? fieldNameItor.next() : "";

        // no name? array item
        if (name.isEmpty()) {
            final Element element = parent.getOwnerDocument().createElementNS(ODataConstants.NS_DATASERVICES,
                    ODataConstants.PREFIX_DATASERVICES + ODataConstants.ELEM_ELEMENT);
            parent.appendChild(element);

            if (child.isValueNode()) {
                if (child.isNull()) {
                    element.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_NULL,
                            Boolean.toString(true));
                } else {
                    element.appendChild(parent.getOwnerDocument().createTextNode(child.asText()));
                }/*  w w w .  j  ava 2  s  .  c  o m*/
            }

            if (child.isContainerNode()) {
                buildSubtree(element, child);
            }
        } else if (!name.contains("@") && !ODataConstants.JSON_TYPE.equals(name)) {
            final Element property = parent.getOwnerDocument().createElementNS(ODataConstants.NS_DATASERVICES,
                    ODataConstants.PREFIX_DATASERVICES + name);
            parent.appendChild(property);

            boolean typeSet = false;
            if (node.hasNonNull(name + "@" + ODataConstants.JSON_TYPE)) {
                property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                        node.get(name + "@" + ODataConstants.JSON_TYPE).textValue());
                typeSet = true;
            }

            if (child.isNull()) {
                property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_NULL,
                        Boolean.toString(true));
            } else if (child.isValueNode()) {
                if (!typeSet) {
                    if (child.isInt()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Int32.toString());
                    }
                    if (child.isLong()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Int64.toString());
                    }
                    if (child.isBigDecimal()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Decimal.toString());
                    }
                    if (child.isDouble()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Double.toString());
                    }
                    if (child.isBoolean()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.Boolean.toString());
                    }
                    if (child.isTextual()) {
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                EdmSimpleType.String.toString());
                    }
                }

                property.appendChild(parent.getOwnerDocument().createTextNode(child.asText()));
            } else if (child.isContainerNode()) {
                if (!typeSet && child.hasNonNull(v4AnnotationPrefix + ODataConstants.JSON_TYPE)) {
                    property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                            child.get(v4AnnotationPrefix + ODataConstants.JSON_TYPE).textValue());
                }

                final String type = property.getAttribute(ODataConstants.ATTR_M_TYPE);
                if (StringUtils.isNotBlank(type) && EdmSimpleType.isGeospatial(type)) {
                    if (EdmSimpleType.Geography.toString().equals(type)
                            || EdmSimpleType.Geometry.toString().equals(type)) {

                        final String geoType = child.get(ODataConstants.ATTR_TYPE).textValue();
                        property.setAttributeNS(ODataConstants.NS_METADATA, ODataConstants.ATTR_M_TYPE,
                                geoType.startsWith("Geo") ? EdmSimpleType.namespace() + "." + geoType
                                        : type + geoType);
                    }

                    if (child.has(ODataConstants.JSON_COORDINATES)
                            || child.has(ODataConstants.JSON_GEOMETRIES)) {
                        GeospatialJSONHandler.deserialize(child, property,
                                property.getAttribute(ODataConstants.ATTR_M_TYPE));
                    }
                } else {
                    buildSubtree(property, child);
                }
            }
        }
    }
}