com.github.anonymousmister.bootfastconfig.jackson.JacksonJsonParam Maven / Gradle / Ivy

Go to download
package com.github.anonymousmister.bootfastconfig.jackson;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.anonymousmister.bootfastconfig.config.JsonPathArgumentResolver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.io.InputStream;

/**
 * @author mister
 */
public class JacksonJsonParam extends JsonPathArgumentResolver {
    private final Logger LOGGER = LoggerFactory.getLogger(JacksonJsonParam.class);

    private final ObjectMapper objectMapper;

    public JacksonJsonParam(ObjectMapper objectMapper) {
        super();
        this.objectMapper = objectMapper;
    }


    @Override
    public Object JsonStringToObject(Class c, String val) {
        if (c == String.class) return val;
        try {
            return objectMapper.readValue(val, c);
        } catch (IOException e) {
            LOGGER.error("JacksonJsonParamimpl ..... 入参转换错误", e);
        }
        return null;
    }

    @Override
    public String objectToString(Object o) throws JsonProcessingException {
        return objectMapper.writeValueAsString(o);
    }

    @Override
    public  T inputStreamToc(InputStream inputStream, Class c) throws IOException {
        if (c == String.class) {
            return (T) objectToString(objectMapper.readValue(inputStream, Object.class));
        }
        return objectMapper.readValue(inputStream, c);
    }

}