Java tutorial
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package org.sample.validation; import java.util.Calendar; import java.util.Date; import java.util.List; import javax.validation.constraints.Future; import javax.validation.constraints.NotNull; import javax.validation.constraints.Size; /** * @author Arun Gupta */ //@RequestScoped public class MyBean { public String sayHello(@Size(max = 3) String name) { return "Hello " + name; } @Future public Date showDate(boolean correct) { Calendar cal = Calendar.getInstance(); cal.add(Calendar.DAY_OF_MONTH, correct ? 5 : -5); return cal.getTime(); } public String showList(@NotNull @Size(min = 1, max = 3) List<String> list, @NotNull String prefix) { StringBuilder builder = new StringBuilder(); for (String s : list) { builder.append(prefix).append(s).append(" "); } return builder.toString(); } // @NotNull(validationAppliesTo=ConstraintType.PARAMETERS) // @NotNull // public void concat(String str1, String str2) { // str1.concat(str2); // } }