#36 Extract guard method

Signed-off-by: Sven Strittmatter <sven.strittmatter@iteratec.com>

Author: Weltraumschaf

src/main/java/io/securecodebox/persistence/defectdojo/service/DefaultImportScanService.java

@@ -60,7 +60,7 @@ HttpHeaders createDefectDojoAuthorizationHeaders() {
     }
 
     private RestTemplate createRestTemplate() {
-        if (System.getProperty("http.proxyUser") != null && System.getProperty("http.proxyPassword") != null) {
+        if (shouldConfigureProxySettings()) {
             // Configuring Proxy Authentication explicitly as it isn't done by default for spring rest templates :(
             final var credentials = new BasicCredentialsProvider();
             credentials.setCredentials(
@@ -83,6 +83,10 @@ private RestTemplate createRestTemplate() {
         }
     }
 
+    private static boolean shouldConfigureProxySettings() {
+        return System.getProperty("http.proxyUser") != null && System.getProperty("http.proxyPassword") != null;
+    }
+
     /*
      * Before version 1.5.4. testName (in DefectDojo _test_type_) must be defectDojoScanName, afterward, you can have something else.
      */