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package hydraql.shaded.fastjson2.reader;

import hydraql.shaded.fastjson2.JSONB;
import hydraql.shaded.fastjson2.JSONException;
import hydraql.shaded.fastjson2.JSONReader;
import hydraql.shaded.fastjson2.util.Fnv;

import java.lang.reflect.Type;
import java.util.BitSet;

public final class ObjectReaderImplBitSet
        extends ObjectReaderPrimitive {
    static final ObjectReaderImplBitSet INSTANCE = new ObjectReaderImplBitSet();

    public static final long HASH_TYPE = Fnv.hashCode64("BitSet");

    public ObjectReaderImplBitSet() {
        super(BitSet.class);
    }

    @Override
    public BitSet readJSONBObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) {
        if (jsonReader.nextIfNull()) {
            return null;
        }
        if (jsonReader.nextIfMatch(JSONB.Constants.BC_TYPED_ANY)) {
            long typeHash = jsonReader.readTypeHashCode();
            if (typeHash != HASH_TYPE) {
                String typeName = jsonReader.getString();
                throw new JSONException(jsonReader.info(typeName));
            }
        }

        byte[] bytes = jsonReader.readBinary();
        return BitSet.valueOf(bytes);
    }

    @Override
    public BitSet readObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) {
        if (jsonReader.nextIfNull()) {
            return null;
        }

        byte[] bytes = jsonReader.readBinary();
        return BitSet.valueOf(bytes);
    }
}