Fixes the clone method of the state reporter (#43) (#44)

* Fixes the clone method of the state reporter (#43)

Since the cloned object may reside in a different class loader,
we need to use the Theme class from the given class loader instead
of the class from our own class loader.

Co-authored-by: Andre Wachsmuth <awa@xima.de>

* Update project version

---------

Co-authored-by: Andre Wachsmuth <sensenmann5@gmail.com>
Co-authored-by: Andre Wachsmuth <awa@xima.de>

README.md

@@ -21,7 +21,7 @@ Configure your POM like the following
         <dependency>
             <groupId>me.fabriciorby</groupId>
             <artifactId>maven-surefire-junit5-tree-reporter</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.1</version>
         </dependency>
     </dependencies>
     <configuration>

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>me.fabriciorby</groupId>
     <artifactId>maven-surefire-junit5-tree-reporter</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1</version>
     <packaging>jar</packaging>
 
     <name>maven-surefire-junit5-tree-reporter</name>

src/main/java/org/apache/maven/plugin/surefire/extensions/junit5/JUnit5StatelessTestsetInfoTreeReporter.java

@@ -35,6 +35,11 @@ public Object clone(ClassLoader target) {
             Object clone = super.clone(target);
 
             Class<?> cls = clone.getClass();
+
+            Class<?> themeClass = target.loadClass(Theme.class.getName());
+            @SuppressWarnings({ "rawtypes", "unchecked" })
+            Object clonedTheme = Enum.valueOf((Class) themeClass, getTheme().name());
+
             cls.getMethod("setPrintStacktraceOnError", boolean.class).invoke(clone, isPrintStacktraceOnError());
             cls.getMethod("setPrintStacktraceOnFailure", boolean.class).invoke(clone, isPrintStacktraceOnFailure());
             cls.getMethod("setPrintStderrOnError", boolean.class).invoke(clone, isPrintStderrOnError());
@@ -43,11 +48,11 @@ public Object clone(ClassLoader target) {
             cls.getMethod("setPrintStdoutOnError", boolean.class).invoke(clone, isPrintStdoutOnError());
             cls.getMethod("setPrintStdoutOnFailure", boolean.class).invoke(clone, isPrintStdoutOnFailure());
             cls.getMethod("setPrintStdoutOnSuccess", boolean.class).invoke(clone, isPrintStdoutOnSuccess());
-            cls.getMethod("setTheme", Theme.class).invoke(clone, getTheme());
+            cls.getMethod("setTheme", themeClass).invoke(clone, clonedTheme);
 
             return clone;
         } catch (ReflectiveOperationException e) {
-            throw new IllegalStateException(e.getLocalizedMessage());
+            throw new IllegalStateException(e.getLocalizedMessage(), e);
         }
     }