Jackson自定义将多个属性反序列化为值对象类

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;

import java.io.IOException;

class ValueObject {
    private String property1;
    private String property2;

    // Getters and setters
}

class CustomDeserializer extends JsonDeserializer<ValueObject> {
    @Override
    public ValueObject deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
        // 获取JSON数据中的属性
        String property1 = jsonParser.getCodec().readTree(jsonParser).get("property1").asText();
        String property2 = jsonParser.getCodec().readTree(jsonParser).get("property2").asText();

        // 创建值对象类并设置属性
        ValueObject valueObject = new ValueObject();
        valueObject.setProperty1(property1);
        valueObject.setProperty2(property2);

        return valueObject;
    }
}

public class Main {
    public static void main(String[] args) throws IOException {
        String json = "{\"property1\":\"value1\",\"property2\":\"value2\"}";

        ObjectMapper objectMapper = new ObjectMapper();
        SimpleModule module = new SimpleModule();
        module.addDeserializer(ValueObject.class, new CustomDeserializer());
        objectMapper.registerModule(module);

        ValueObject valueObject = objectMapper.readValue(json, ValueObject.class);
        System.out.println(valueObject.getProperty1()); // 输出：value1
        System.out.println(valueObject.getProperty2()); // 输出：value2
    }
}