add consumer group console

src/main/java/com/xuxd/kafka/console/beans/CounterList.java

@@ -23,4 +23,11 @@ public class CounterList<T> {
     public int getTotal() {
         return list != null ? list.size() : 0;
     }
+
+    @Override public String toString() {
+        return "CounterList{" +
+            "list=" + list +
+            ", total=" + getTotal() +
+            '}';
+    }
 }

src/main/java/com/xuxd/kafka/console/beans/vo/ConsumerGroupVO.java

@@ -0,0 +1,41 @@
+package com.xuxd.kafka.console.beans.vo;
+
+import lombok.Data;
+import org.apache.kafka.clients.admin.ConsumerGroupDescription;
+
+/**
+ * kafka-console-ui.
+ *
+ * @author xuxd
+ * @date 2021-09-10 20:16:07
+ **/
+@Data
+public class ConsumerGroupVO {
+
+    private String groupId;
+
+    private boolean isSimpleConsumerGroup;
+
+    private int members;
+
+    private String partitionAssignor;
+
+    private String state;
+
+    private String coordinator;
+
+    private int authorizedOperations;
+
+    public static ConsumerGroupVO from(ConsumerGroupDescription description) {
+        ConsumerGroupVO vo = new ConsumerGroupVO();
+        vo.setGroupId(description.groupId());
+        vo.setSimpleConsumerGroup(description.isSimpleConsumerGroup());
+        vo.setMembers(description.members().size());
+        vo.setPartitionAssignor(description.partitionAssignor());
+        vo.setState(description.state().name());
+        vo.setCoordinator(description.coordinator() != null ? description.coordinator().toString() : "");
+        vo.setAuthorizedOperations(description.authorizedOperations() != null ? description.authorizedOperations().size() : 0);
+
+        return vo;
+    }
+}