content: package com.alibaba.fastjson2.writer;
  
  import com.alibaba.fastjson2.JSONWriter;
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  import java.lang.reflect.Type;
  import java.time.OffsetDateTime;
  import java.util.function.Function;
  
  final class FieldWriterOffsetDateTimeFunc<T>
          extends FieldWriterObjectFinal<T> {
      final Function function;
  
      FieldWriterOffsetDateTimeFunc(
              String name,
              int ordinal,
              long features,
              String format,
              String label,
              Type fieldType,
              Class fieldClass,
              Field field,
              Method method,
              Function function
      ) {
          super(name, ordinal, features, format, label, fieldType, fieldClass, field, method);
          this.function = function;
      }
  
      @Override
      public Object getFieldValue(Object object) {
          return function.apply(object);
      }
  
      @Override
      public boolean write(JSONWriter jsonWriter, T object) {
          OffsetDateTime dateTime = (OffsetDateTime) function.apply(object);
          if (dateTime == null) {
              long features = this.features | jsonWriter.getFeatures();
              if ((features & JSONWriter.Feature.WriteNulls.mask) != 0) {
                  writeFieldName(jsonWriter);
                  jsonWriter.writeNull();
                  return true;
              } else {
                  return false;
              }
          }
  
          writeFieldName(jsonWriter);
  
          if (objectWriter == null) {
              objectWriter = getObjectWriter(jsonWriter, OffsetDateTime.class);
          }
  
          if (objectWriter != ObjectWriterImplOffsetDateTime.INSTANCE) {
              objectWriter.write(jsonWriter, dateTime, fieldName, fieldClass, features);
          } else {
              jsonWriter.writeOffsetDateTime(dateTime);
          }
          return true;
      }
  
      @Override
      public Function getFunction() {
          return function;
      }
  }
  