top.doudou.common.tool.aspect.AspectUtils Maven / Gradle / Ivy
package top.doudou.common.tool.aspect;
import com.google.common.collect.Maps;
import com.google.gson.Gson;
import org.apache.commons.collections.MapUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.core.DefaultParameterNameDiscoverer;
import org.springframework.core.ParameterNameDiscoverer;
import org.springframework.validation.BindingResult;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Map;
import java.util.StringJoiner;
/**
* @author 傻男人<[email protected]>
* @Date: 2020/8/21 13:25
* @Version: 1.0
* @Description: 切面的工具类
*/
public class AspectUtils {
/**
* 获取参数列表
*
* @param joinPoint
* @return
* @throws ClassNotFoundException
* @throws NoSuchMethodException
*/
public static Map getParameters(JoinPoint joinPoint) {
Map result = Maps.newHashMap();
Object[] args = joinPoint.getArgs();
ParameterNameDiscoverer pnd = new DefaultParameterNameDiscoverer();
MethodSignature signature = (MethodSignature) joinPoint.getSignature();
Method method = signature.getMethod();
String[] parameterNames = pnd.getParameterNames(method);
Gson gson = new Gson();
for (int i = 0; i < parameterNames.length; i++) {
Object arg = args[i];
if(isFilterObject(arg)){
continue;
}
if(arg instanceof MultipartFile){
result.put(parameterNames[i], ((MultipartFile)arg).getOriginalFilename());
continue;
}
if(arg instanceof MultipartFile[]){
MultipartFile[] list = (MultipartFile[])arg;
StringJoiner sj = new StringJoiner(",","","");
Arrays.stream(list).forEach(item->{
sj.add(item.getOriginalFilename());
});
result.put(parameterNames[i], sj.toString());
continue;
}
result.put(parameterNames[i], gson.toJson(arg));
}
return result;
}
/**
* 获取参数列表
*
* @param joinPoint
* @return
* @throws ClassNotFoundException
* @throws NoSuchMethodException
*/
public static String getParametersToStr(JoinPoint joinPoint) {
Map parameters = getParameters(joinPoint);
return MapUtils.isNotEmpty(parameters) ? new Gson().toJson(parameters) : "";
}
/**
* 判断是否需要过滤的对象。
*
* @param o 对象信息。
* @return 如果是需要过滤的对象，则返回true；否则返回false。
*/
private static boolean isFilterObject(Object o) {
return null == o || o instanceof BindingResult || o instanceof HttpServletRequest || o instanceof HttpServletResponse;
}
}