LogUtils.java
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package com.huaheng.common.utils;
import com.alibaba.fastjson.JSON;
import com.huaheng.pc.config.location.domain.Location;
import org.apache.shiro.SecurityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpServletRequest;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* 处理并记录日志文件
*
* @author huaheng
*/
public class LogUtils
{
public static final Logger ERROR_LOG = LoggerFactory.getLogger("sys-error");
public static final Logger ACCESS_LOG = LoggerFactory.getLogger("sys-access");
/**
* 记录访问日志 [username][jsessionid][ip][accept][UserAgent][url][params][Referer]
*
* @param request
*/
public static void logAccess(HttpServletRequest request)
{
String username = getUsername();
String jsessionId = request.getRequestedSessionId();
String ip = IpUtils.getIpAddr(request);
String accept = request.getHeader("accept");
String userAgent = request.getHeader("User-Agent");
String url = request.getRequestURI();
String params = getParams(request);
StringBuilder s = new StringBuilder();
s.append(getBlock(username));
s.append(getBlock(jsessionId));
s.append(getBlock(ip));
s.append(getBlock(accept));
s.append(getBlock(userAgent));
s.append(getBlock(url));
s.append(getBlock(params));
s.append(getBlock(request.getHeader("Referer")));
getAccessLog().info(s.toString());
}
/**
* 记录异常错误 格式 [exception]
*
* @param message
* @param e
*/
public static void logError(String message, Throwable e)
{
String username = getUsername();
StringBuilder s = new StringBuilder();
s.append(getBlock("exception"));
s.append(getBlock(username));
s.append(getBlock(message));
ERROR_LOG.error(s.toString(), e);
}
/**
* 记录页面错误 错误日志记录 [page/eception][username][statusCode][errorMessage][servletName][uri][exceptionName][ip][exception]
*
* @param request
*/
public static void logPageError(HttpServletRequest request)
{
String username = getUsername();
Integer statusCode = (Integer) request.getAttribute("javax.servlet.error.status_code");
String message = (String) request.getAttribute("javax.servlet.error.message");
String uri = (String) request.getAttribute("javax.servlet.error.request_uri");
Throwable t = (Throwable) request.getAttribute("javax.servlet.error.exception");
if (statusCode == null)
{
statusCode = 0;
}
StringBuilder s = new StringBuilder();
s.append(getBlock(t == null ? "page" : "exception"));
s.append(getBlock(username));
s.append(getBlock(statusCode));
s.append(getBlock(message));
s.append(getBlock(IpUtils.getIpAddr(request)));
s.append(getBlock(uri));
s.append(getBlock(request.getHeader("Referer")));
StringWriter sw = new StringWriter();
while (t != null)
{
t.printStackTrace(new PrintWriter(sw));
t = t.getCause();
}
s.append(getBlock(sw.toString()));
getErrorLog().error(s.toString());
}
public static String getBlock(Object msg)
{
if (msg == null)
{
msg = "";
}
return "[" + msg.toString() + "]";
}
protected static String getParams(HttpServletRequest request)
{
Map<String, String[]> params = request.getParameterMap();
return JSON.toJSONString(params);
}
protected static String getUsername()
{
return (String) SecurityUtils.getSubject().getPrincipal();
}
public static Logger getAccessLog()
{
return ACCESS_LOG;
}
public static Logger getErrorLog()
{
return ERROR_LOG;
}
public static void main(String[] args) {
//重量小于50kg，优先放第4层
List<Location> locationss=null;
List<Location> locationList=new ArrayList<>();
Location location=new Location();
location.setILayer(4);
location.setCode("222");
locationList.add(location);
BigDecimal weight_bigdecimal=new BigDecimal(56);
if(weight_bigdecimal.compareTo(new BigDecimal(50))>0){
locationss=locationList.stream().filter(t->{
if(t.getILayer()!=4){
return true;
}
return false;
}).collect(Collectors.toList());
}
System.out.println(locationss);
}
}