content: package com.alibaba.fastjson2.writer;
  
  import com.alibaba.fastjson2.JSONB;
  import com.alibaba.fastjson2.JSONWriter;
  import com.alibaba.fastjson2.util.Fnv;
  
  import java.lang.reflect.Type;
  
  final class ObjectWriterImplStringArray
          extends ObjectWriterPrimitiveImpl {
      static final byte[] TYPE_NAME_BYTES = JSONB.toBytes("[String");
      static final long JSONB_TYPE_HASH = Fnv.hashCode64("[String");
  
      static final ObjectWriterImplStringArray INSTANCE = new ObjectWriterImplStringArray();
  
      @Override
      public void write(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
          if (object == null) {
              jsonWriter.writeArrayNull();
              return;
          }
  
          String[] strings = (String[]) object;
          jsonWriter.writeString(strings);
      }
  
      @Override
      public void writeJSONB(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
          if (object == null) {
              jsonWriter.writeArrayNull();
              return;
          }
  
          if (jsonWriter.isWriteTypeInfo(object, fieldType, features)) {
              jsonWriter.writeTypeName(TYPE_NAME_BYTES, JSONB_TYPE_HASH);
          }
  
          String[] list = (String[]) object;
  
          jsonWriter.startArray(list.length);
          for (int i = 0; i < list.length; i++) {
              String item = list[i];
              if (item == null) {
                  if (jsonWriter.isEnabled(JSONWriter.Feature.NullAsDefaultValue.mask | JSONWriter.Feature.WriteNullStringAsEmpty.mask)) {
                      jsonWriter.writeString("");
                  } else {
                      jsonWriter.writeNull();
                  }
                  continue;
              }
              jsonWriter.writeString(item);
          }
      }
  }
  