com.anji.captcha.util.JsonUtil Maven / Gradle / Ivy
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package com.anji.captcha.util;
import com.anji.captcha.model.vo.PointVO;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* 替换掉fastjson，自定义实现相关方法
* note: 该实现不具有通用性，仅用于本项目。
*
*@author WongBin
*@date 2021/1/8
*/
public class JsonUtil {
private static Logger logger = LoggerFactory.getLogger(JsonUtil.class);
public static List parseArray(String text, Class clazz) {
if (text == null) {
return null;
} else {
String[] arr = text.replaceFirst("\\[","")
.replaceFirst("\\]","").split("\\}");
List ret = new ArrayList<>(arr.length);
for (String s : arr) {
ret.add(parseObject(s,PointVO.class));
}
return ret;
}
}
public static PointVO parseObject(String text, Class clazz) {
if(text == null) {
return null;
}
/*if(!clazz.isAssignableFrom(PointVO.class)) {
throw new UnsupportedOperationException("不支持的输入类型:"
+ clazz.getSimpleName());
}*/
try {
PointVO ret = clazz.newInstance();
return ret.parse(text);
}catch (Exception ex){
logger.error("json解析异常", ex);
}
return null;
}
public static String toJSONString(Object object) {
if(object == null) {
return "{}";
}
if(object instanceof PointVO){
PointVO t = (PointVO)object;
return t.toJsonString();
}
if(object instanceof List){
List list = (List)object;
StringBuilder buf = new StringBuilder("[");
list.stream().forEach(t->{
buf.append(t.toJsonString()).append(",");
});
return buf.deleteCharAt(buf.lastIndexOf(",")).append("]").toString();
}
if(object instanceof Map){
return ((Map)object).entrySet().toString();
}
throw new UnsupportedOperationException("不支持的输入类型:"
+object.getClass().getSimpleName());
}
}