package com.leigq.www.shiro.config;

import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Druid监控配置,使用基于Java代码实现的servlet和filter
 * <p>
 *     <a href='https://juejin.im/post/5ad703686fb9a028dd4ec453'>具体实现参考</a>
 *     <br>
 *     <a href='https://blog.csdn.net/l_sail/article/details/70233529'>基于注解的配置StatView的Servlet</a>
 * <p/>
 * <p>
 * 创建人：leigq <br>
 * 创建时间：2018-11-10 13:43 <br>
 * <p>
 * 修改人： <br>
 * 修改时间： <br>
 * 修改备注： <br>
 * </p>
 */
@Configuration
@Slf4j
public class DruidMonitorConfig {

    /**
     * 注册ServletRegistrationBean
     * @return
     */
    @Bean
    public ServletRegistrationBean<StatViewServlet> registrationBean() {
        //org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
        ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
        /** 初始化参数配置，initParams**/
        //白名单
        bean.addInitParameter("allow", "127.0.0.1");//多个ip逗号隔开
        //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
        //bean.addInitParameter("deny", "192.168.1.110");
        //登录查看信息的账号密码.
        bean.addInitParameter("loginUsername", "admin");
        bean.addInitParameter("loginPassword", "123456");
        //是否能够重置数据.
        bean.addInitParameter("resetEnable", "false");
        return bean;
    }

    /**
     * 注册FilterRegistrationBean
     * @return
     */
    @Bean
    public FilterRegistrationBean<WebStatFilter> druidStatFilter() {
        FilterRegistrationBean<WebStatFilter> bean = new FilterRegistrationBean<>(new WebStatFilter());
        //添加过滤规则.
        bean.addUrlPatterns("/*");
        //添加不需要忽略的格式信息.
        bean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
        return bean;
    }

}