/** * Copyright 2008 Atlassian Pty Ltd * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.bson.util; /** * Design by contract assertions. */ public class Assertions { public static <T> T notNull(final String name, final T notNull) throws IllegalArgumentException { if (notNull == null) { throw new NullArgumentException(name); } return notNull; } public static void isTrue(final String name, final boolean check) throws IllegalArgumentException { if (!check) { throw new IllegalArgumentException(name); } } // /CLOVER:OFF private Assertions() {} // /CLOVER:ON static class NullArgumentException extends IllegalArgumentException { private static final long serialVersionUID = 6178592463723624585L; NullArgumentException(final String name) { super(name + " should not be null!"); } } }