feat: add close method

Signed-off-by: moxiaoying <1159230165@qq.com>

Author: CennyMo

pulsar-admin/src/main/java/io/github/protocol/pulsar/admin/jdk/InnerHttpClient.java

@@ -99,6 +99,10 @@ public HttpResponse get(String url, String... params) throws IOException, Interr
         return client.send(request).get();
     }
 
+    public void close() throws IOException {
+        this.client.close();
+    }
+
     private List<UrlBuilder.Param> convertListToParams(String... requestParams) {
         if (requestParams.length % 2 != 0) {
             throw new IllegalArgumentException("params list length cannot be odd");

pulsar-admin/src/main/java/io/github/protocol/pulsar/admin/jdk/PulsarAdmin.java

@@ -1,5 +1,7 @@
 package io.github.protocol.pulsar.admin.jdk;
 
+import java.io.IOException;
+
 public interface PulsarAdmin {
     static PulsarAdminBuilder builder() {
         return new PulsarAdminBuilderImpl();
@@ -16,4 +18,6 @@ static PulsarAdminBuilder builder() {
     PersistentTopics persistentTopics();
 
     NonPersistentTopics nonPersistentTopics();
+
+    void close() throws IOException;
 }

pulsar-admin/src/main/java/io/github/protocol/pulsar/admin/jdk/PulsarAdminImpl.java

@@ -2,6 +2,8 @@
 
 import io.github.protocol.pulsar.admin.api.Configuration;
 
+import java.io.IOException;
+
 public class PulsarAdminImpl implements PulsarAdmin {
 
     private final Clusters clusters;
@@ -16,14 +18,16 @@ public class PulsarAdminImpl implements PulsarAdmin {
 
     private final NonPersistentTopics nonPersistentTopics;
 
+    private final InnerHttpClient innerHttpClient;
+
     PulsarAdminImpl(Configuration conf) {
-        InnerHttpClient innerHttpClient = new InnerHttpClient(conf);
-        this.clusters = new Clusters(innerHttpClient);
-        this.brokers = new Brokers(innerHttpClient);
-        this.tenants = new Tenants(innerHttpClient);
-        this.namespaces = new Namespaces(innerHttpClient);
-        this.persistentTopics = new PersistentTopics(innerHttpClient);
-        this.nonPersistentTopics = new NonPersistentTopics(innerHttpClient);
+        this.innerHttpClient = new InnerHttpClient(conf);
+        this.clusters = new Clusters(this.innerHttpClient);
+        this.brokers = new Brokers(this.innerHttpClient);
+        this.tenants = new Tenants(this.innerHttpClient);
+        this.namespaces = new Namespaces(this.innerHttpClient);
+        this.persistentTopics = new PersistentTopics(this.innerHttpClient);
+        this.nonPersistentTopics = new NonPersistentTopics(this.innerHttpClient);
     }
 
     @Override
@@ -55,4 +59,9 @@ public PersistentTopics persistentTopics() {
     public NonPersistentTopics nonPersistentTopics() {
         return nonPersistentTopics;
     }
+
+    @Override
+    public void close() throws IOException {
+        this.innerHttpClient.close();
+    }
 }