add configs request.

ci/spotbugs/exclude.xml

@@ -7,6 +7,10 @@
 
     <!-- pattern sort by alpha -->
 
+    <Match>
+        <Bug pattern="EI_EXPOSE_REP"/>
+    </Match>
+
     <Match>
         <Bug pattern="EI_EXPOSE_REP2"/>
     </Match>

src/main/java/io/github/protocol/bookkeeper/Configs.java

@@ -0,0 +1,12 @@
+package io.github.protocol.bookkeeper;
+
+
+import java.util.Map;
+
+public interface Configs {
+
+    void putConfig(Map<String, String> config) throws Exception;
+
+    Map<String, String> getConfig() throws Exception;
+
+}

src/main/java/io/github/protocol/bookkeeper/ConfigsImpl.java

@@ -0,0 +1,24 @@
+package io.github.protocol.bookkeeper;
+
+
+import java.net.http.HttpResponse;
+import java.util.Map;
+
+public class ConfigsImpl implements Configs {
+
+    private final InnerHttpClient innerHttpClient;
+
+    public ConfigsImpl(InnerHttpClient innerHttpClient) {
+        this.innerHttpClient = innerHttpClient;
+    }
+    @Override
+    public void putConfig(Map<String, String> config) throws Exception {
+        innerHttpClient.put(UrlConst.CONFIG_SERVER_CONFIG, JacksonService.toJson(config));
+    }
+
+    @Override
+    public Map<String, String> getConfig() throws Exception {
+        HttpResponse<String> resp = innerHttpClient.get(UrlConst.CONFIG_SERVER_CONFIG);
+        return JacksonService.toObject(resp.body(), Map.class);
+    }
+}

src/test/java/io/github/protocol/bookkeeper/ConfigsImplTest.java

@@ -0,0 +1,48 @@
+package io.github.protocol.bookkeeper;
+
+import io.github.embedded.bookkeeper.core.EmbeddedBookkeeperServer;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ConfigsImplTest {
+
+
+    private static final EmbeddedBookkeeperServer SERVER = new EmbeddedBookkeeperServer();
+
+    private static ConfigsImpl configsImpl = null;
+
+    @BeforeAll
+    public static void setup() throws Exception {
+        SERVER.start();
+        Configuration conf = new Configuration();
+        conf.setHost("localhost");
+        conf.setPort(SERVER.getBkWebPort());
+        configsImpl = new ConfigsImpl(new InnerHttpClient(conf));
+    }
+
+    @Test
+    public void testPutConfig() throws Exception {
+        HashMap<String, String> config = new HashMap<>();
+        config.put("allowEphemeralPorts", "false");
+        configsImpl.putConfig(config);
+        Map<String, String> resp = configsImpl.getConfig();
+        Assertions.assertEquals("false", resp.get("allowEphemeralPorts"));
+
+    }
+
+    @Test
+    public void testGetConfig() throws Exception {
+        Map<String, String> config = configsImpl.getConfig();
+        Assertions.assertTrue(config.size() != 0);
+    }
+
+    @AfterAll
+    public static void teardown() throws Exception {
+        SERVER.close();
+    }
+}