package org.nextprot.api.commons.exception; import java.util.Collection; public class NPreconditions { private NPreconditions(){} public static void checkNull(Object o, String message) { if (o != null){ throw new NextProtException(message); } } public static void checkNotEmpty(Collection<?> c, String message) { if (c.isEmpty()){ throw new NextProtException(message); } } public static void checkNotNull(Object o, String message) { if (o == null){ throw new NextProtException(message); } } public static void checkTrue(boolean condition, String message) { if (!condition){ throw new NextProtException(message); } } }