监控队列与监控交换机，基本完善

@@ -132,6 +132,12 @@
         </dependency>
 
         <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.73</version>
+        </dependency>
+
+        <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
             <version>1.2.17</version>

+package com.sunyo.wlpt.message.bus.service.controller.view;
+
+import com.sunyo.wlpt.message.bus.service.response.ResultJson;
+import com.sunyo.wlpt.message.bus.service.service.view.ExchangeFactory;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.io.IOException;
+import java.net.URISyntaxException;
+
+/**
+ * @author 子诚
+ * Description：
+ * 时间：2020/8/27 15:23
+ */
+@CrossOrigin
+@RequestMapping("bus/view/exchange")
+@RestController
+public class ViewExchangeController {
+
+    @Resource
+    private ExchangeFactory exchangeFactory;
+
+    @GetMapping("/list")
+    public ResultJson getViewExchangeList(
+            @RequestParam(value = "serverName", required = false) String serverName,
+            @RequestParam(value = "virtualHostName", required = false) String virtualHostName,
+            @RequestParam(value = "pageNum", defaultValue = "1") Integer pageNum,
+            @RequestParam(value = "pageSize", defaultValue = "10") Integer pageSize
+    )
+    {
+        try {
+            return exchangeFactory.getViewExchangeList(serverName, virtualHostName, pageNum, pageSize);
+        } catch (IOException | URISyntaxException e) {
+            return new ResultJson<>("500", "服务器异常，查询交换机监控，失败！请联系管理员");
+        }
+    }
+}

+package com.sunyo.wlpt.message.bus.service.domain.view;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.rabbitmq.http.client.domain.ExchangeInfo;
+import com.rabbitmq.http.client.domain.ExchangeMessageStats;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author 子诚
+ * Description：
+ * 时间：2020/8/31 14:38
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class TempExchangeInfo extends ExchangeInfo {
+    @JsonProperty("message_stats")
+    private ExchangeMessageStats messageStats;
+}
\ No newline at end of file

 package com.sunyo.wlpt.message.bus.service.domain.view;
 
-import com.rabbitmq.http.client.domain.ExchangeInfo;
+import com.rabbitmq.http.client.domain.ExchangeMessageStats;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -20,5 +20,15 @@ import java.io.Serializable;
 public class ViewExchangeInfo implements Serializable {
     private static final long serialVersionUID = -3353890396017709770L;
     private String serverName;
-    private ExchangeInfo exchangeInfo;
+    private TempExchangeInfo tempExchangeInfo;
+
+    public long getPublishIn()
+    {
+        TempExchangeInfo tempExchangeInfo = getTempExchangeInfo();
+        ExchangeMessageStats messageStats = tempExchangeInfo.getMessageStats();
+        if (messageStats == null) {
+            return 0;
+        }
+        return messageStats.getPublishIn();
+    }
 }

@@ -2,14 +2,18 @@ package com.sunyo.wlpt.message.bus.service.rabbit.utils;
 
 import com.rabbitmq.http.client.Client;
 import com.rabbitmq.http.client.domain.ExchangeInfo;
+import com.rabbitmq.http.client.domain.ExchangeMessageStats;
 import com.rabbitmq.http.client.domain.QueueInfo;
 import com.rabbitmq.http.client.domain.UserPermissions;
 import com.sunyo.wlpt.message.bus.service.domain.BusServer;
 import com.sunyo.wlpt.message.bus.service.domain.UserInfo;
 import com.sunyo.wlpt.message.bus.service.domain.VirtualHost;
+import com.sunyo.wlpt.message.bus.service.domain.view.TempExchangeInfo;
 import com.sunyo.wlpt.message.bus.service.domain.view.ViewExchangeInfo;
 import com.sunyo.wlpt.message.bus.service.domain.view.ViewQueueInfo;
 import com.sunyo.wlpt.message.bus.service.utils.AESUtils;
+import org.apache.ibatis.reflection.MetaObject;
+import org.apache.ibatis.reflection.SystemMetaObject;
 
 import java.io.IOException;
 import java.net.URISyntaxException;
@@ -242,13 +246,50 @@ public class ClientUtils {
         List<ViewExchangeInfo> list = new ArrayList<>();
         // 将获取到的队列信息，拼接一个属性，服务器名称
         for (ExchangeInfo exchangeInfo : exchanges) {
-            ViewExchangeInfo viewExchangeInfo = ViewExchangeInfo.builder().serverName(serverName).exchangeInfo(exchangeInfo).build();
+            TempExchangeInfo tempExchangeInfo = exchangeInfoToTemp(exchangeInfo);
+            ViewExchangeInfo viewExchangeInfo = ViewExchangeInfo.builder().serverName(serverName).tempExchangeInfo(tempExchangeInfo).build();
             list.add(viewExchangeInfo);
         }
         return list;
     }
 
     /**
+     * mybatis封装的反射（根据属性名和对象，获取属性的值）
+     *
+     * @param fieldName 属性名
+     * @param object    对象
+     * @return
+     */
+    private static Object getFieldValueByFieldName(String fieldName, Object object)
+    {
+        MetaObject metaObject = SystemMetaObject.forObject(object);
+        Object value = metaObject.getValue(fieldName);
+        return value;
+    }
+
+    /**
+     * 将ExchangeInfo转换成TempExchangeInfo
+     *
+     * @param exchangeInfo ExchangeInfo
+     * @return
+     */
+    private static TempExchangeInfo exchangeInfoToTemp(ExchangeInfo exchangeInfo)
+    {
+        ExchangeMessageStats messageStats = (ExchangeMessageStats) getFieldValueByFieldName("messageStats", exchangeInfo);
+        TempExchangeInfo temp = new TempExchangeInfo();
+        temp.setVhost(exchangeInfo.getVhost());
+        temp.setName(exchangeInfo.getName());
+        temp.setType(exchangeInfo.getType());
+        temp.setDurable(exchangeInfo.isDurable());
+        temp.setAutoDelete(exchangeInfo.isAutoDelete());
+        temp.setInternal(exchangeInfo.isInternal());
+        temp.setArguments(exchangeInfo.getArguments());
+        temp.setMessageStats(messageStats);
+        return temp;
+    }
+
+
+    /**
      * 获取MQ界面的交换机信息，重载
      *
      * @param busServer MQ服务器信息
@@ -279,7 +320,8 @@ public class ClientUtils {
     {
         Client client = connectClient(busServer);
         ExchangeInfo exchangeInfo = client.getExchange(vHostName, exchangeName);
-        ViewExchangeInfo viewExchangeInfo = ViewExchangeInfo.builder().serverName(busServer.getServerName()).exchangeInfo(exchangeInfo).build();
+        TempExchangeInfo tempExchangeInfo = exchangeInfoToTemp(exchangeInfo);
+        ViewExchangeInfo viewExchangeInfo = ViewExchangeInfo.builder().serverName(busServer.getServerName()).tempExchangeInfo(tempExchangeInfo).build();
         return viewExchangeInfo;
     }
 

+package com.sunyo.wlpt.message.bus.service.service.view;
+
+import com.sunyo.wlpt.message.bus.service.domain.BusServer;
+import com.sunyo.wlpt.message.bus.service.domain.VirtualHost;
+import com.sunyo.wlpt.message.bus.service.domain.view.ViewExchangeInfo;
+import com.sunyo.wlpt.message.bus.service.mapper.BusServerMapper;
+import com.sunyo.wlpt.message.bus.service.mapper.VirtualHostMapper;
+import com.sunyo.wlpt.message.bus.service.rabbit.utils.ClientUtils;
+import com.sunyo.wlpt.message.bus.service.response.ResultJson;
+import io.netty.util.internal.StringUtil;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * @author 子诚
+ * Description：
+ * 时间：2020/8/27 17:08
+ */
+@Service
+public class ExchangeFactory {
+
+    @Resource
+    private BusServerMapper busServerMapper;
+
+    @Resource
+    private VirtualHostMapper virtualHostMapper;
+
+    public ResultJson getViewExchangeList(String serverName, String virtualHostName, Integer pageNum, Integer pageSize) throws IOException, URISyntaxException
+    {
+        List<ViewExchangeInfo> list = new ArrayList<>();
+
+        // 服务器名称、虚拟主机名称，均为空
+        if (StringUtil.isNullOrEmpty(serverName) && StringUtil.isNullOrEmpty(virtualHostName)) {
+            List<BusServer> serverList = busServerMapper.getServerList();
+            for (BusServer busServer : serverList) {
+                List<ViewExchangeInfo> viewExchanges = ClientUtils.getViewExchanges(busServer);
+                list.addAll(viewExchanges);
+            }
+        }
+
+        // 仅，服务器名称不为空
+        if (!StringUtil.isNullOrEmpty(serverName) && StringUtil.isNullOrEmpty(virtualHostName)) {
+            BusServer busServer = busServerMapper.selectByServerName(serverName);
+            if (busServer == null) {
+                return new ResultJson("400", "该服务器名称不存在,请仔细检查");
+            }
+            List<ViewExchangeInfo> viewExchanges = ClientUtils.getViewExchanges(busServer);
+            list.addAll(viewExchanges);
+        }
+
+        // 仅，虚拟主机名称不为空
+        if (StringUtil.isNullOrEmpty(serverName) && !StringUtil.isNullOrEmpty(virtualHostName)) {
+            VirtualHost virtualHost = virtualHostMapper.selectByVirtualHostName(virtualHostName);
+            if (virtualHost == null) {
+                return new ResultJson("400", "该虚拟主机名称不存在,请仔细检查");
+            }
+            BusServer busServer = busServerMapper.selectByPrimaryKey(virtualHost.getServerId());
+            List<ViewExchangeInfo> viewExchanges = ClientUtils.getViewExchanges(busServer, virtualHostName);
+            list.addAll(viewExchanges);
+        }
+
+        // 服务器名称、虚拟主机名称，均不为空
+        if (!StringUtil.isNullOrEmpty(serverName) && !StringUtil.isNullOrEmpty(virtualHostName)) {
+            BusServer busServer = busServerMapper.selectByServerName(serverName);
+            if (busServer == null) {
+                return new ResultJson("400", "该服务器名称不存在,请仔细检查");
+            }
+            VirtualHost virtualHost = virtualHostMapper.selectByVirtualHostName(virtualHostName);
+            if (virtualHost == null) {
+                return new ResultJson("400", "该虚拟主机名称不存在,请仔细检查");
+            }
+            if (!virtualHost.getServerId().equals(busServer.getId())) {
+                return new ResultJson("400", "该虚拟主机不属于该服务器,请仔细检查");
+            }
+            List<ViewExchangeInfo> viewExchanges = ClientUtils.getViewExchanges(busServer, virtualHostName);
+            list.addAll(viewExchanges);
+        }
+
+        Integer total = list.size();
+        List<ViewExchangeInfo> resultList = subAndSortList(pageNum, pageSize, list);
+        return resultList.size() > 0
+                ? new ResultJson<>("200", "查询交换机监控，成功！", resultList, total)
+                : new ResultJson<>("500", "查询交换机监控，失败！");
+    }
+
+    /**
+     * 实现排序与分页效果
+     *
+     * @param pageNum  当前的页数
+     * @param pageSize 每页的大小
+     * @param list     List<ViewExchangeInfo>
+     * @return
+     */
+    private List<ViewExchangeInfo> subAndSortList(Integer pageNum, Integer pageSize, List<ViewExchangeInfo> list)
+    {
+        Integer start = (pageNum - 1) * pageSize;
+        Integer end = start + pageSize;
+        Integer total = list.size();
+        if (start > total) {
+            start = 0;
+            end = total;
+        }
+        if (end > total) {
+            end = total;
+        }
+        List<ViewExchangeInfo> sortedList =
+                list.stream().sorted(Comparator.comparing(ViewExchangeInfo::getPublishIn).reversed())
+                        .collect(Collectors.toList());
+        List<ViewExchangeInfo> pageList = sortedList.subList(start, end);
+        return pageList;
+    }
+}

@@ -92,7 +92,7 @@ public class ViewQueueFactory {
     }
 
     /**
-     * 实现分页与排序效果
+     * 实现排序与分页效果
      *
      * @param pageNum  开始页
      * @param pageSize 每页大小
@@ -111,11 +111,13 @@ public class ViewQueueFactory {
         if (end > total) {
             end = total;
         }
-        List<ViewQueueInfo> pageList = list.subList(start, end);
+
         // 对积压数，进行降序排序
-        List<ViewQueueInfo> resultList =
-                pageList.stream().sorted(Comparator.comparing(ViewQueueInfo::getMessageReady).reversed())
+        List<ViewQueueInfo> sortedList =
+                list.stream().sorted(Comparator.comparing(ViewQueueInfo::getMessageReady).reversed())
                         .collect(Collectors.toList());
+        // 分页
+        List<ViewQueueInfo> resultList = sortedList.subList(start, end);
         return resultList;
     }
 }