code cleanup

src/main/java/com/postmarkapp/postmark/client/HttpClient.java

@@ -132,35 +132,34 @@ public Client getClient() {
     }
 
     /**
-     * Build HTTP client used for requests
+     * Build default HTTP client used for requests
      *
-     * @return initialized HTTP client
-     */
-    private Client buildClient() {
-        ClientBuilder clientBuilder = ClientBuilder.newBuilder();
-        return clientBuilder.withConfig(clientConfig()).build();
-    }
-
-    /** Jersey client uses HttpUrlConnection by default which doesn't have PATCH method:
+     * Jersey client uses HttpUrlConnection by default which doesn't have PATCH method:
      * https://docs.oracle.com/javase/8/docs/api/java/net/HttpURLConnection.html#setRequestMethod-java.lang.String-
      * https://github.com/eclipse-ee4j/jersey/issues/4825
      *
      * Workaround for being able to do PATCH requests is by using reflection, which would work up to Java 16.
      * https://stackoverflow.com/questions/55778145/how-to-use-patch-method-with-jersey-invocation-builder
      *
-     * This workaround doesn't need to be set if custom connector like grizzly is used
-     * supported connector list can be seen here:
-     * https://www.cwiki.us/display/JERSEYEN/Client+Transport+Connectors
-     * https://eclipse-ee4j.github.io/jersey.github.io/documentation/latest/client.html#d0e4979
+     * @return initialized HTTP client
+     */
+    private Client buildClient() {
+        Client client = ClientBuilder.newClient();
+        // this allows calls to PATCH by using reflection
+        client.property(HttpUrlConnectorProvider.SET_METHOD_WORKAROUND, true);
+        return client;
+    }
+
+    /**
+     * Build HTTP client with custom config used for requests
+     * like:
      *
-     * @return client configuration which determines connection provider used by Jersey HTTP client.
+     * ClientConfig clientConfig = new ClientConfig();
+     * clientConfig.connectorProvider(new GrizzlyConnectorProvider());
+     * clientConfig.connectorProvider(new HttpUrlConnectorProvider().useSetMethodWorkaround());
      */
-    private ClientConfig clientConfig() {
-        ClientConfig clientConfig = new ClientConfig();
-        // use default provider, you can also use providers that support jdk 16+ like:
-        //clientConfig.connectorProvider(new GrizzlyConnectorProvider());
-        clientConfig.connectorProvider(new HttpUrlConnectorProvider().useSetMethodWorkaround());
-        return clientConfig;
+    private Client buildClient(ClientConfig config) {
+        return ClientBuilder.newClient(config);
     }
 
     /**