com.didiglobal.logi.job.utils.BeanUtil Maven / Gradle / Ivy
package com.didiglobal.logi.job.utils;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import java.util.List;
public class BeanUtil {
private static final Logger logger = LoggerFactory.getLogger(BeanUtil.class);
private static final ObjectMapper objectMapper = new ObjectMapper();
/**
* 对象转换为目标类对象.
*
* @param source 源
* @param targetClass 目标类
* @param 目标对象
* @return 转换到的对象
*/
public static T convertTo(Object source, Class targetClass) {
if (source == null) {
return null;
}
T tgt = null;
try {
tgt = targetClass.newInstance();
BeanUtils.copyProperties(source, tgt);
} catch (Exception e) {
logger.warn("convert obj2Obj error||msg={}", e.getMessage(), e);
}
return tgt;
}
/**
* 对象转换为目标类对象.
*
* @param source 源
* @param targetClass 目标类
* @param 目标对象
* @return 转换到的对象
*/
public static List convertToList(String source, Class targetClass) {
try {
JavaType javaType = objectMapper.getTypeFactory()
.constructCollectionType(List.class, targetClass);
return objectMapper.readValue(source, javaType);
} catch (Exception e) {
logger.error("", e);
return null;
}
}
/**
* 对象转json 字符串.
*
* @param source source
* @return str
*/
public static String convertToJson(Object source) {
try {
return source == null ? null : objectMapper.writeValueAsString(source);
} catch (JsonProcessingException e) {
logger.error("source to json error, e->", e);
return null;
}
}
}