fix proxy generation with final methods

Fixes issue where we would try to generate proxies for classes with final methods

Author: SentryMan

inject-generator/src/main/java/io/avaje/inject/generator/Util.java

@@ -402,7 +402,8 @@ static TypeElement lazyProxy(Element element) {
         : APContext.asTypeElement(((ExecutableElement) element).getReturnType());
 
     if (type.getModifiers().contains(Modifier.FINAL)
-        || !type.getKind().isInterface() && !Util.hasNoArgConstructor(type)) {
+        || !type.getKind().isInterface() && !Util.hasNoArgConstructor(type)
+        || Util.hasFinalMethods(type)) {
 
       return BeanTypesPrism.getOptionalOn(element)
           .map(BeanTypesPrism::value)
@@ -417,6 +418,13 @@ static TypeElement lazyProxy(Element element) {
     return type;
   }
 
+  private static boolean hasFinalMethods(TypeElement type) {
+    return ElementFilter.methodsIn(type.getEnclosedElements()).stream()
+        .filter(x -> !x.getModifiers().contains(Modifier.STATIC))
+        .filter(x -> !x.getModifiers().contains(Modifier.PRIVATE))
+        .anyMatch(m -> m.getModifiers().contains(Modifier.FINAL));
+  }
+
   static boolean hasNoArgConstructor(TypeElement beanType) {
     return ElementFilter.constructorsIn(beanType.getEnclosedElements()).stream()
       .anyMatch(e -> e.getParameters().isEmpty() && !e.getModifiers().contains(Modifier.PRIVATE));

inject-generator/src/test/java/io/avaje/inject/generator/models/valid/RandomFactory.java

@@ -0,0 +1,16 @@
+package io.avaje.inject.generator.models.valid;
+
+import java.security.SecureRandom;
+
+import io.avaje.inject.Bean;
+import io.avaje.inject.Factory;
+import io.avaje.inject.Lazy;
+
+@Lazy
+@Factory
+public class RandomFactory {
+  @Bean
+  public SecureRandom secureRandom() {
+    return new SecureRandom();
+  }
+}