content: package com.alibaba.fastjson2.writer;
  
  import com.alibaba.fastjson2.JSONWriter;
  import com.alibaba.fastjson2.util.TypeUtils;
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  
  import static com.alibaba.fastjson2.JSONWriter.Feature.*;
  
  abstract class FieldWriterInt64<T>
          extends FieldWriter<T> {
      final boolean browserCompatible;
      boolean writeAsMillis;
  
      FieldWriterInt64(
              String name,
              int ordinal,
              long features,
              String format,
              String label,
              Class fieldClass,
              Field field,
              Method method
      ) {
          super(name, ordinal, features, format, null, label, fieldClass, fieldClass, field, method);
          browserCompatible = (features & JSONWriter.Feature.BrowserCompatible.mask) != 0;
      }
  
      public final void writeInt64(JSONWriter jsonWriter, long value) {
          long features = jsonWriter.getFeatures() | this.features;
          boolean writeAsString = (features & (WriteNonStringValueAsString.mask | WriteLongAsString.mask)) != 0;
          writeFieldName(jsonWriter);
          if (!writeAsString) {
              writeAsString = browserCompatible && !TypeUtils.isJavaScriptSupport(value) && !jsonWriter.jsonb;
          }
          if (writeAsString) {
              jsonWriter.writeString(Long.toString(value));
          } else {
              jsonWriter.writeInt64(value);
          }
      }
  
      @Override
      public boolean write(JSONWriter jsonWriter, T object) {
          Long value;
          try {
              value = (Long) getFieldValue(object);
          } catch (RuntimeException error) {
              if (jsonWriter.isIgnoreErrorGetter()) {
                  return false;
              }
              throw error;
          }
  
          if (value == null) {
              long features = this.features | jsonWriter.getFeatures();
              if ((features & (JSONWriter.Feature.WriteNulls.mask | JSONWriter.Feature.NullAsDefaultValue.mask | JSONWriter.Feature.WriteNullNumberAsZero.mask)) == 0) {
                  return false;
              }
              writeFieldName(jsonWriter);
              jsonWriter.writeNumberNull();
              return true;
          }
  
          writeInt64(jsonWriter, value);
          return true;
      }
  
      @Override
      public void writeValue(JSONWriter jsonWriter, T object) {
          Long value = (Long) getFieldValue(object);
  
          if (value == null) {
              jsonWriter.writeNull();
              return;
          }
  
          jsonWriter.writeInt64(value);
      }
  }
  