Polishing.

[#486][resolves #504]

Signed-off-by: Mark Paluch <[email protected]>

Author: mp911de

src/main/java/io/r2dbc/postgresql/PostgresqlConnectionFactoryProvider.java

@@ -171,6 +171,8 @@ public final class PostgresqlConnectionFactoryProvider implements ConnectionFact
 
     /**
      * Ssl mode alias (JDBC style). Default: disabled
+     *
+     * @since 0.8.13
      */
     public static final Option<SSLMode> SSL_MODE_ALIAS = Option.valueOf("sslmode");
 
@@ -285,25 +287,8 @@ private static void setupSsl(PostgresqlConnectionConfiguration.Builder builder,
             }
         });
 
-        mapper.from(SSL_MODE).map(it -> {
-
-            if (it instanceof String) {
-                return SSLMode.fromValue(it.toString());
-            }
-
-            return (SSLMode) it;
-
-        }).to(builder::sslMode).otherwise(() -> {
-
-            mapper.from(SSL_MODE_ALIAS).map(it -> {
-
-                if (it instanceof String) {
-                    return SSLMode.fromValue(it.toString());
-                }
-
-                return (SSLMode) it;
-
-            }).to(builder::sslMode);
+        mapper.from(SSL_MODE).map(PostgresqlConnectionFactoryProvider::toSSLMode).to(builder::sslMode).otherwise(() -> {
+            mapper.from(SSL_MODE_ALIAS).map(PostgresqlConnectionFactoryProvider::toSSLMode).to(builder::sslMode);
         });
 
         mapper.from(SSL_CERT).to(builder::sslCert);
@@ -330,6 +315,14 @@ private static void setupSsl(PostgresqlConnectionConfiguration.Builder builder,
         }).to(builder::sslHostnameVerifier);
     }
 
+    private static SSLMode toSSLMode(Object it) {
+        if (it instanceof String) {
+            return SSLMode.fromValue(it.toString());
+        }
+
+        return (SSLMode) it;
+    }
+
     @SuppressWarnings("unchecked")
     private static Map<String, String> convertToMap(Object options) {
         if (options instanceof Map) {