package cn.com.sinosoft.unipayment.alipay.fliter;

import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Enumeration;
import java.util.Map;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.spi.LoggerFactory;
import org.slf4j.Logger;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;

@Configuration
@Order(1)
@WebFilter(filterName="urlfilter",urlPatterns="/*")
public class UrlFilter implements Filter {
private Logger logger = org.slf4j.LoggerFactory.getLogger(UrlFilter.class);
@Override
public void init(FilterConfig filterConfig) throws ServletException {
// TODO Auto-generated method stub
logger.info("初始化地址过滤器，，，");
}

@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
DateFormat df=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
HttpServletRequest request_ = (HttpServletRequest) request;
try {
String method = StringUtils.trimToEmpty(request_.getMethod()).toUpperCase();
String strBackUrl = "";
String entryId = "";
String common_url = "http://" + request_.getServerName() //服务器地址
+ ":" + request_.getServerPort() //端口号
+ request_.getContextPath() //项目名称
+ request_.getServletPath() //请求页面或其他地址
+ "?";
if (method.equals("POST")) {
Map<String, String[]> params = request.getParameterMap();
String queryString = "";
for (String key : params.keySet()) {
String[] values = params.get(key);
for (int i = 0; i < values.length; i++) {
String value = values[i];
queryString += key + "=" + value + "&";
}
}
// 去掉最后一个空格
try {
if (!"".equals(queryString)) {
strBackUrl = common_url+ queryString.substring(0,queryString.length() - 1);
} else {
strBackUrl = common_url.substring(0,common_url.length() - 1);
}
} catch (Exception e) {
logger.debug("", e);
}
} else if (method.equals("GET")) {
strBackUrl = common_url + (request_.getQueryString()); //参数
} else {
logger.debug("此连接不打印");
}
logger.info(">>>>>>>>>>>>>>>>>前置请求地址：" + method + "---->"+ strBackUrl);
logger.info(">>>>>>>>>>>>>>>>>前置请求时间：" + df.format(new Date()));
} catch (Exception e) {
e.printStackTrace();
// TODO: handle exception
}
chain.doFilter(request, response);
}

@Override
public void destroy() {
// TODO Auto-generated method stub
logger.info("销毁地址过滤器，，，");
}

}