Changed: Exception handlers now search through superclasses.

Author: MTrop

docs/CHANGELOG.md

@@ -3,6 +3,12 @@ Small (C) Black Rook Software 2020
 by Matt Tropiano et al. (see AUTHORS.txt)
 
 
+Changed in 1.5.4
+----------------
+
+- `Changed` Exception handlers now search through superclasses for matching handlers.
+
+
 Changed in 1.5.3
 ----------------
 

src/main/java/com/blackrook/small/SmallEnvironment.java

@@ -608,7 +608,12 @@ public boolean handleView(HttpServletRequest request, HttpServletResponse respon
 	public <T extends Throwable> boolean handleException(HttpServletRequest request, HttpServletResponse response, T throwable)
 	{
 		ExceptionHandler<T> handler;
-		if ((handler = (ExceptionHandler<T>)exceptionHandlerMap.get(throwable.getClass())) != null)
+		Class<?> exceptionClass = throwable.getClass();
+		
+		while ((handler = (ExceptionHandler<T>)exceptionHandlerMap.get(exceptionClass)) == null && exceptionClass != Object.class)
+			exceptionClass = exceptionClass.getSuperclass();
+		
+		if (handler != null)
 		{
 			handler.handleException(request, response, throwable);
 			return true;