catch enum illegal state exception

Author: SentryMan

http-api/src/main/java/io/avaje/http/api/PathTypeConversion.java

@@ -64,7 +64,17 @@ public static int asInt(String value) {
     checkNull(value);
     try {
       return Integer.parseInt(value);
-    } catch (NumberFormatException e) {
+    } catch (final NumberFormatException e) {
+      throw new InvalidPathArgumentException(e);
+    }
+  }
+
+  /** Convert to enum. */
+  public static <T> Enum asEnum(Class<T> clazz, String value) {
+    checkNull(value);
+    try {
+      return Enum.valueOf((Class<Enum>) clazz, value.toUpperCase());
+    } catch (final IllegalArgumentException e) {
       throw new InvalidPathArgumentException(e);
     }
   }

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

@@ -310,7 +310,7 @@ static class EnumHandler extends ObjectHandler {
 
     @Override
     public String toMethod() {
-      return type.shortType() + ".valueOf(";
+      return "(" + type.shortType() + ") asEnum(" + type.shortType() + ".class,";
     }
 
     @Override
@@ -334,7 +334,7 @@ static class CollectionHandler implements TypeHandler {
           (set ? "set" : "list")
               + "("
               + (isEnum
-                  ? handler.toMethod().replace(".", "::").replace("(", "")
+                  ? "qp -> " + handler.toMethod() + " qp)"
                   : "PathTypeConversion::" + shortName)
               + ", ";