#367 Follow up for java.lang imports

Author: rbygrave

http-generator-core/src/main/java/io/avaje/http/generator/core/UType.java

@@ -120,9 +120,7 @@ public String full() {
 
     @Override
     public Set<String> importTypes() {
-      return rawType.startsWith("java.lang.")
-              && Character.isUpperCase(rawType.charAt(10))
-              && rawType.indexOf('.') > -1
+      return isJavaLangPackage(rawType)
           ? Set.of()
           : Collections.singleton(rawType.replace("[]", ""));
     }
@@ -143,6 +141,10 @@ public String mainType() {
     }
   }
 
+  static boolean isJavaLangPackage(String rawType) {
+    return rawType.startsWith("java.lang.") && Character.isUpperCase(rawType.charAt(10));
+  }
+
   /**
    * Generic type.
    */

http-generator-core/src/test/java/io/avaje/http/generator/core/UTypeTest.java

@@ -0,0 +1,20 @@
+package io.avaje.http.generator.core;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class UTypeTest {
+
+  @Test
+  void isJavaLangPackage() {
+    assertTrue(UType.isJavaLangPackage("java.lang.F"));
+    assertTrue(UType.isJavaLangPackage("java.lang.Foo"));
+  }
+
+  @Test
+  void isJavaLangPackage_expect_false() {
+    assertFalse(UType.isJavaLangPackage("java.lang.other.Foo"));
+    assertFalse(UType.isJavaLangPackage("not.lang.Foo"));
+  }
+}