content: package com.alibaba.fastjson2.writer;
  
  import com.alibaba.fastjson2.JSONB;
  import com.alibaba.fastjson2.JSONWriter;
  import com.alibaba.fastjson2.util.Fnv;
  import com.alibaba.fastjson2.util.TypeUtils;
  
  import java.lang.reflect.Type;
  import java.math.BigDecimal;
  import java.text.DecimalFormat;
  
  final class ObjectWriterArrayFinal
          extends ObjectWriterPrimitiveImpl {
      public static final ObjectWriterArrayFinal FLOAT_ARRAY = new ObjectWriterArrayFinal(Float.class, null);
      public static final ObjectWriterArrayFinal DOUBLE_ARRAY = new ObjectWriterArrayFinal(Double.class, null);
      public static final ObjectWriterArrayFinal DECIMAL_ARRAY = new ObjectWriterArrayFinal(BigDecimal.class, null);
  
      final byte[] typeNameBytes;
      final long typeNameHash;
      final Class itemClass;
      volatile ObjectWriter itemObjectWriter;
      public final DecimalFormat format;
      public final boolean refDetect;
  
      public ObjectWriterArrayFinal(Class itemClass, DecimalFormat format) {
          this.itemClass = itemClass;
          this.format = format;
  
          String typeName = '[' + TypeUtils.getTypeName(itemClass);
          typeNameBytes = JSONB.toBytes(typeName);
          typeNameHash = Fnv.hashCode64(typeName);
          refDetect = !ObjectWriterProvider.isNotReferenceDetect(itemClass);
      }
  
      public ObjectWriter getItemObjectWriter(JSONWriter jsonWriter) {
          ObjectWriter itemObjectWriter = this.itemObjectWriter;
          if (itemObjectWriter == null) {
              if (itemClass == Float.class) {
                  if (format != null) {
                      itemObjectWriter = new ObjectWriterImplFloat(format);
                  } else {
                      itemObjectWriter = ObjectWriterImplFloat.INSTANCE;
                  }
              } else if (itemClass == Double.class) {
                  if (format != null) {
                      itemObjectWriter = new ObjectWriterImplDouble(format);
                  } else {
                      itemObjectWriter = ObjectWriterImplDouble.INSTANCE;
                  }
              } else if (itemClass == BigDecimal.class) {
                  if (format != null) {
                      itemObjectWriter = new ObjectWriterImplBigDecimal(format, null);
                  } else {
                      itemObjectWriter = ObjectWriterImplBigDecimal.INSTANCE;
                  }
              } else {
                  itemObjectWriter = jsonWriter.getObjectWriter(this.itemClass);
              }
              this.itemObjectWriter = itemObjectWriter;
          }
          return itemObjectWriter;
      }
  
      @Override
      public void write(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
          if (jsonWriter.jsonb) {
              writeJSONB(jsonWriter, object, fieldName, fieldType, features);
              return;
          }
  
          if (object == null) {
              jsonWriter.writeArrayNull();
              return;
          }
  
          boolean refDetect = jsonWriter.isRefDetect();
          if (refDetect) {
              refDetect = this.refDetect;
          }
  
          Object[] list = (Object[]) object;
  
          jsonWriter.startArray();
          for (int i = 0; i < list.length; i++) {
              if (i != 0) {
                  jsonWriter.writeComma();
              }
  
              Object item = list[i];
              if (item == null) {
                  jsonWriter.writeNull();
                  continue;
              }
              ObjectWriter itemObjectWriter = getItemObjectWriter(jsonWriter);
              if (refDetect) {
                  String refPath = jsonWriter.setPath(i, item);
                  if (refPath != null) {
                      jsonWriter.writeReference(refPath);
                      jsonWriter.popPath(item);
                      continue;
                  }
              }
  
              itemObjectWriter.write(jsonWriter, item, i, this.itemClass, features);
  
              if (refDetect) {
                  jsonWriter.popPath(item);
              }
          }
          jsonWriter.endArray();
      }
  
      @Override
      public void writeJSONB(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
          if (object == null) {
              jsonWriter.writeArrayNull();
              return;
          }
  
          boolean refDetect = jsonWriter.isRefDetect();
          if (refDetect) {
              refDetect = this.refDetect;
          }
  
          Object[] list = (Object[]) object;
  
          if (jsonWriter.isWriteTypeInfo(object, fieldType)) {
              jsonWriter.writeTypeName(typeNameBytes, typeNameHash);
          }
  
          jsonWriter.startArray(list.length);
          for (int i = 0; i < list.length; i++) {
              Object item = list[i];
              if (item == null) {
                  jsonWriter.writeNull();
                  continue;
              }
  
              ObjectWriter itemObjectWriter = getItemObjectWriter(jsonWriter);
  
              if (refDetect) {
                  String refPath = jsonWriter.setPath(i, item);
                  if (refPath != null) {
                      jsonWriter.writeReference(refPath);
                      jsonWriter.popPath(item);
                      continue;
                  }
              }
  
              itemObjectWriter.writeJSONB(jsonWriter, item, i, this.itemClass, features);
  
              if (refDetect) {
                  jsonWriter.popPath(item);
              }
          }
      }
  }
  