Types: add paramTypes(Method, Class) method

This is like returnType(Method, Class), but for method
parameter types, rather than its return type. it leans on
GenTyRef's getExactParameterTypes to do the work.

Author: ctrueden

src/main/java/org/scijava/util/Types.java

@@ -525,6 +525,15 @@ public static Type returnType(final Method method, final Class<?> type) {
 		return GenericTypeReflector.getExactReturnType(method, wildType);
 	}
 
+	/**
+	 * As {@link #type(Field, Class)}, but with respect to the parameter types of
+	 * the given {@link Method} rather than a {@link Field}.
+	 */
+	public static Type[] paramTypes(final Method method, final Class<?> type) {
+		final Type wildType = GenericTypeReflector.addWildcardParameters(type);
+		return GenericTypeReflector.getExactParameterTypes(method, wildType);
+	}
+
 	/**
 	 * Gets the given type's {@code n}th type parameter of the specified class.
 	 * <p>