Handle EventPublishWriter TypeElement nulls (#726)

* handle null from typeElement

* Format only

---------

Co-authored-by: Rob Bygrave <robin.bygrave@gmail.com>

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

@@ -14,6 +14,7 @@
 import java.util.Optional;
 
 import javax.lang.model.element.Element;
+import javax.lang.model.element.PackageElement;
 import javax.tools.JavaFileObject;
 
 /** Write the source code for the bean. */
@@ -46,22 +47,23 @@ static void write(Element element) {
   private EventPublisherWriter(Element element) {
     final var asType = element.asType();
     this.utype = UType.parse(asType).param0();
-    this.packageName = APContext.elements()
-      .getPackageOf(APContext.typeElement(utype.mainType()))
-      .getQualifiedName()
-      .toString()
+    this.packageName = Optional.ofNullable(APContext.typeElement(utype.mainType()))
+      .map(APContext.elements()::getPackageOf)
+      .map(PackageElement::getQualifiedName)
+      .map(Object::toString)
+      .orElse("error.notype")
       .replaceFirst("java.", "")
       + ".events";
-    qualifier = Optional.ofNullable(Util.named(element)).orElse("");
+
+    this.qualifier = Optional.ofNullable(Util.named(element)).orElse("");
     var className =
       packageName
         + "."
         + (qualifier.isEmpty() ? "" : "Qualified")
         + Util.shortName(utype).replace(".", "_")
         + "$Publisher";
 
-    originName = getUniqueClassName(className, 0);
-
+    this.originName = getUniqueClassName(className, 0);
     if (GENERATED_PUBLISHERS.containsKey(originName)) {
       //in super niche situations when compiling the same module, we need to tell avaje that these types already exist
       //got this when running both my eclipse compiler and then the terminal build