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.util.List;
  import java.util.function.Function;
  
  import static com.alibaba.fastjson2.JSONWriter.Feature.*;
  
  final class FieldWriterListStrFunc<T>
          extends FieldWriter<T> {
      final Function<T, List> function;
  
      FieldWriterListStrFunc(
              String fieldName,
              int ordinal,
              long features,
              String format,
              String label,
              Field field,
              Method method,
              Function<T, List> function,
              Type fieldType,
              Class fieldClass
      ) {
          super(fieldName, ordinal, features, format, null, label, fieldType, fieldClass, field, method);
          this.function = function;
      }
  
      @Override
      public Object getFieldValue(T object) {
          return function.apply(object);
      }
  
      @Override
      public boolean write(JSONWriter jsonWriter, T object) {
          List list;
          try {
              list = function.apply(object);
          } catch (RuntimeException error) {
              if (jsonWriter.isIgnoreErrorGetter()) {
                  return false;
              }
              throw error;
          }
  
          long features = this.features | jsonWriter.getFeatures();
          if (list == null) {
              if ((features & (WriteNulls.mask | NullAsDefaultValue.mask | WriteNullListAsEmpty.mask)) != 0) {
                  writeFieldName(jsonWriter);
                  jsonWriter.writeArrayNull(features);
                  return true;
              } else {
                  return false;
              }
          }
  
          if ((features & NotWriteEmptyArray.mask) != 0 && list.isEmpty()) {
              return false;
          }
  
          writeFieldName(jsonWriter);
  
          if (jsonWriter.jsonb) {
              int size = list.size();
              jsonWriter.startArray(size);
  
              for (int i = 0; i < size; i++) {
                  String item = (String) list.get(i);
                  if (item == null) {
                      jsonWriter.writeNull();
                      continue;
                  }
                  jsonWriter.writeString(item);
              }
              return true;
          }
  
          jsonWriter.startArray();
          for (int i = 0; i < list.size(); i++) {
              if (i != 0) {
                  jsonWriter.writeComma();
              }
  
              String item = (String) list.get(i);
              if (item == null) {
                  jsonWriter.writeNull();
                  continue;
              }
              jsonWriter.writeString(item);
          }
          jsonWriter.endArray();
  
          return true;
      }
  
      @Override
      public void writeValue(JSONWriter jsonWriter, T object) {
          List list = function.apply(object);
          if (list == null) {
              jsonWriter.writeNull();
              return;
          }
  
          if (jsonWriter.jsonb) {
              int size = list.size();
              jsonWriter.startArray(size);
  
              for (int i = 0; i < size; i++) {
                  String item = (String) list.get(i);
                  if (item == null) {
                      jsonWriter.writeNull();
                      continue;
                  }
                  jsonWriter.writeString(item);
              }
              return;
          }
  
          jsonWriter.startArray();
          for (int i = 0; i < list.size(); i++) {
              if (i != 0) {
                  jsonWriter.writeComma();
              }
  
              String item = (String) list.get(i);
              if (item == null) {
                  jsonWriter.writeNull();
                  continue;
              }
              jsonWriter.writeString(item);
          }
          jsonWriter.endArray();
      }
  }
  