Java tutorial
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2017-2017 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://oss.oracle.com/licenses/CDDL+GPL-1.1 * or 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 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 javax.servlet.annotation; import java.lang.annotation.Documented; import java.lang.annotation.ElementType; import java.lang.annotation.Inherited; import java.lang.annotation.Target; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; /** * This annotation is used on a Servlet implementation class to specify security * constraints to be enforced by a Servlet container on HTTP protocol messages. * The Servlet container will enforce these constraints on the url-patterns * mapped to the servlets mapped to the annotated class. * * @since Servlet 3.0 */ @Inherited @Documented @Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) public @interface ServletSecurity { /** * Defines the access semantic to be applied to an empty rolesAllowed array. */ enum EmptyRoleSemantic { /** * access is to be permitted independent of authentication state and * identity. */ PERMIT, /** * access is to be denied independent of authentication state and * identity. */ DENY } /** * Defines the data protection requirements that must be satisfied by * the transport */ enum TransportGuarantee { /** * no protection of user data must be performed by the transport. */ NONE, /** * All user data must be encrypted by the transport (typically * using SSL/TLS). */ CONFIDENTIAL } /** * Get the {@link HttpConstraint} that defines the protection * that is to be applied to all HTTP methods that are NOT represented in * the array returned by <tt>httpMethodConstraints</tt>. * * @return a <code>HttpConstraint</code> object. */ HttpConstraint value() default @HttpConstraint; /** * Get the HTTP method specific constraints. Each * {@link HttpMethodConstraint} names an HTTP protocol method * and defines the protection to be applied to it. * * @return an array of {@link HttpMethodConstraint} elements each * defining the protection to be applied to one HTTP protocol method. For * any HTTP method name, there must be at most one corresponding element in * the returned array. If the returned array is of zero length, it indicates * that no HTTP method specific constraints are defined. */ HttpMethodConstraint[] httpMethodConstraints() default {}; }