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package com.alibaba.fastjson2.writer;

import com.alibaba.fastjson2.JSONWriter;
import com.alibaba.fastjson2.function.ToFloatFunction;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

final class FieldWriterFloatValueFunc
        extends FieldWriter {
    final ToFloatFunction function;

    FieldWriterFloatValueFunc(
            String fieldName,
            int ordinal,
            long features,
            String format,
            String label,
            Field field,
            Method method,
            ToFloatFunction function
    ) {
        super(fieldName, ordinal, features, format, label, float.class, float.class, field, method);
        this.function = function;
    }

    @Override
    public Object getFieldValue(Object object) {
        return function.applyAsFloat(object);
    }

    @Override
    public void writeValue(JSONWriter jsonWriter, Object object) {
        float fieldValue = function.applyAsFloat(object);
        if (decimalFormat != null) {
            jsonWriter.writeDouble(fieldValue, decimalFormat);
        } else {
            jsonWriter.writeDouble(fieldValue);
        }
    }

    @Override
    public boolean write(JSONWriter jsonWriter, Object object) {
        float value;
        try {
            value = function.applyAsFloat(object);
        } catch (RuntimeException error) {
            if (jsonWriter.isIgnoreErrorGetter()) {
                return false;
            }
            throw error;
        }

        writeFieldName(jsonWriter);
        if (decimalFormat != null) {
            jsonWriter.writeFloat(value, decimalFormat);
        } else {
            jsonWriter.writeFloat(value);
        }
        return true;
    }
}