本文整理了Java中com.fasterxml.jackson.databind.node.ObjectNode.isNull()方法的一些代码示例，展示了ObjectNode.isNull()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ObjectNode.isNull()方法的具体详情如下：
包路径：com.fasterxml.jackson.databind.node.ObjectNode
类名称：ObjectNode
方法名：isNull

ObjectNode.isNull介绍

暂无

代码示例

代码示例来源：origin: ebean-orm/ebean

if (node.isNull()) {
 return null;

代码示例来源：origin: semantic-integration/hypergraphql

private String langSTR(ObjectNode langArg) {
  if (langArg.isNull()) {
    return "";
  }
  final String LANGARG = "(lang:\"%s\")";
  return String.format(LANGARG, langArg.get("lang").asText());
}

代码示例来源：origin: hypergraphql/hypergraphql

private String langSTR(ObjectNode langArg) {
  if (langArg.isNull()) {
    return "";
  }
  final String LANGARG = "(lang:\"%s\")";
  return String.format(LANGARG, langArg.get("lang").asText());
}

代码示例来源：origin: org.apache.james/james-server-jmap

public UpdateMessagePatch fromJsonNode(ObjectNode updatePatchNode) {
    if (updatePatchNode == null || updatePatchNode.isNull() || updatePatchNode.isMissingNode()) {
      throw new IllegalArgumentException("updatePatchNode");
    }
    if (! validator.isValid(updatePatchNode)) {
      return UpdateMessagePatch.builder()
          .validationResult(validator.validate(updatePatchNode))
          .build();
    }
    try {
      return jsonParser.readerFor(UpdateMessagePatch.class).<UpdateMessagePatch>readValue(updatePatchNode);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
}

代码示例来源：origin: com.jivesoftware.os.tasmo/tasmo-configuration

if (instanceNode == null || instanceNode.isNull()) {
  throw new IllegalArgumentException("Events must contain a populated instance node");

代码示例来源：origin: com.adobe.ride/ride-model-util

(ObjectNode) (objectJsonNodeData.at(parentSearchString).get(nodeName));
if (currentValue == null || currentValue.isMissingNode() || currentValue.isEmpty(null)
  || currentValue.isNull()) {
 JSONObject nodeDef = null;
 if (parentSearchString != "/") {

代码示例来源：origin: io.ebean/ebean

if (node.isNull()) {
 return null;

代码示例来源：origin: com.jivesoftware.os.tasmo/tasmo-view-reader-service

public boolean add(ViewDescriptor viewDescriptor,
    ModelPath modelPath,
    Id[] modelPathIds,
    String[] viewPathClasses,
    ViewValue viewValue,
    Long timestamp) throws IOException {
  byte[] value = (viewValue == null) ? null : viewValue.getValue();
  viewSizeInBytes += (value == null) ? 0 : value.length;
  if (viewSizeInBytes > viewMaxSizeInBytes) {
    LOG.error("ViewDescriptor:" + viewDescriptor + " is larger than viewMaxReadableBytes:" + viewMaxSizeInBytes);
    return false;
  }
  if (viewValue == null || viewValue.getValue() == null || viewValue.getValue().length == 0) {
    return false;
  }
  ObjectNode valueObject = merger.toObjectNode(viewValue.getValue());
  if (valueObject == null || valueObject.isNull() || valueObject.size() == 0) {
    return false;
  }
  ObjectId[] modelPathInstanceIds = modelPathInstanceIds(modelPathIds, viewPathClasses, modelPath.getPathMembers());
  LOG.debug("Read view path -> with id={} instance ids={} value={} timestamp={}", new Object[]{modelPath.getId(), modelPathIds, viewValue, timestamp});
  if (treeRoot == null) {
    treeRoot = new MapTreeNode(modelPathInstanceIds[0]);
  }
  treeRoot.add(modelPath.getPathMembers().toArray(new ModelPathStep[modelPath.getPathMemberSize()]), modelPathInstanceIds, viewValue, timestamp);
  return true;
}