Perform check for available reflection during compile time

core/src/main/java/com/github/games647/fastlogin/core/CommonUtil.java

@@ -91,11 +91,7 @@ public final class CommonUtil {
         LoggerFactory.getLogger(parent.getName()).info("Initialize logging service");
         try {
             parent.setLevel(Level.ALL);
-
-            Class<JDK14LoggerAdapter> adapterClass = JDK14LoggerAdapter.class;
-            Constructor<JDK14LoggerAdapter> cons = adapterClass.getDeclaredConstructor(java.util.logging.Logger.class);
-            cons.setAccessible(true);
-            return cons.newInstance(parent);
+            return createJDKLogger(parent);
         } catch (IllegalAccessException | InstantiationException | InvocationTargetException
                  | NoSuchMethodException reflectEx) {
             parent.log(Level.WARNING, "Cannot create slf4j logging adapter", reflectEx);
@@ -107,6 +103,14 @@ public final class CommonUtil {
         }
     }
 
+    protected static JDK14LoggerAdapter createJDKLogger(java.util.logging.Logger parent)
+            throws NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {
+        Class<JDK14LoggerAdapter> adapterClass = JDK14LoggerAdapter.class;
+        Constructor<JDK14LoggerAdapter> cons = adapterClass.getDeclaredConstructor(java.util.logging.Logger.class);
+        cons.setAccessible(true);
+        return cons.newInstance(parent);
+    }
+
     private CommonUtil() {
         throw new RuntimeException("No instantiation of utility classes allowed");
     }

core/src/test/java/com/github/games647/fastlogin/core/CommonUtilTest.java

@@ -0,0 +1,38 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015-2022 games647 and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.github.games647.fastlogin.core;
+
+import java.util.logging.Logger;
+
+import org.junit.jupiter.api.Test;
+
+class CommonUtilTest {
+
+    @Test
+    void createJDKLogger() throws Exception {
+        CommonUtil.createJDKLogger(Logger.getAnonymousLogger());
+    }
+}