/**
* Powerunit - A JDK1.8 test framework
* Copyright (C) 2014 Mathieu Boretti.
*
* This file is part of Powerunit
*
* Powerunit is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Powerunit is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Powerunit. If not, see <http://www.gnu.org/licenses/>.
*/
package ch.powerunit.impl.validator;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.stream.Stream;
import ch.powerunit.exception.InternalError;
public interface ParametersValidator {
default void checkParametersAnnotationForMethod(Method m) {
if (!Modifier.isStatic(m.getModifiers())) {
throw new InternalError("@Parameters method is not static "
+ m.toString());
}
if (!Modifier.isPublic(m.getModifiers())) {
throw new InternalError("@Parameters method is not public "
+ m.toString());
}
if (!Stream.class.isAssignableFrom(m.getReturnType())) {
throw new InternalError("@Parameters method is not Stream<...> "
+ m.toString());
}
if (m.getParameterCount() != 0) {
throw new InternalError("@Parameters method is not 0-parameter "
+ m.toString());
}
}
}