Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 com.migo.validator; import com.migo.utils.RRException; import org.apache.commons.lang.StringUtils; /** * ? * * @author * @email fei6751803@163.com */ public class Assert { public static void isBlank(String str, String message) { if (StringUtils.isBlank(str)) { throw new RRException(message); } } public static void isNull(Object object, String message) { if (object == null) { throw new RRException(message); } } }