Optionalized password config

jedis/runtime/src/main/java/org/pagan/quarkus/jedis/JedisConfig.java

@@ -3,6 +3,7 @@ package org.pagan.quarkus.jedis;
 import io.quarkus.runtime.annotations.ConfigItem;
 import io.quarkus.runtime.annotations.ConfigPhase;
 import io.quarkus.runtime.annotations.ConfigRoot;
+import java.util.Optional;
 
 /**
  *
@@ -39,6 +40,6 @@ public class JedisConfig {
      * Cluster access password
      */
     @ConfigItem(defaultValue = "")
-    public String password;
+    public Optional<String> password;
 
 }

jedis/runtime/src/main/java/org/pagan/quarkus/jedis/JedisSupport.java

@@ -37,8 +37,8 @@ public class JedisSupport {
         if (config.shards.contains(",")) {
             List<JedisShardInfo> jedisShards = Arrays.stream(config.shards.split(",")).map(uri -> {
                 JedisShardInfo jedisShardInfo = new JedisShardInfo(URI.create(uri));
-                if (config.password.length() > 0) {
+                if (config.password.isPresent()) {
-                    jedisShardInfo.setPassword(config.password);
+                    jedisShardInfo.setPassword(config.password.get());
                 }
                 return jedisShardInfo;
             }).collect(Collectors.toList());
@@ -46,9 +46,9 @@ public class JedisSupport {
 
         } else {
             URI server = URI.create(config.shards);
-            if (config.password.length() > 0) {
+            if (config.password.isPresent()) {
                 this.jedisPool = new JedisPool(poolConfig, server.getHost(), server.getPort(), Protocol.DEFAULT_TIMEOUT,
-                        config.password);
+                        config.password.get());
             } else {
                 this.jedisPool = new JedisPool(poolConfig, server);
             }