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• HttpConstraint.java

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javax.servlet.annotation.HttpConstraint Maven / Gradle / Ivy

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2008-2009 Sun Microsystems, Inc. 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.html
 * or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
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 * elects to include this software in this distribution under the [CDDL or GPL
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package javax.servlet.annotation;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import javax.servlet.annotation.ServletSecurity.EmptyRoleSemantic;
import javax.servlet.annotation.ServletSecurity.TransportGuarantee;

/**
 * This annotation is used within the {@link ServletSecurity} annotation to
 * represent the security constraints to be applied to all HTTP protocol
 * methods for which a corresponding {@link HttpMethodConstraint} element does
 * NOT occur within the {@link ServletSecurity} annotation.
 *
 * @since Servlet 3.0
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
public @interface HttpConstraint {

    /**
     * The default authorization semantic.
     * This value is insignificant when rolesAllowed returns a
     * non-empty array, and should not be specified when a non-empty
     * array is specified for rolesAllowed.
     *
     * @return the {@link EmptyRoleSemantic} to be applied when
     * rolesAllowed returns an empty (that is, zero-length) array.
     */
    EmptyRoleSemantic value() default EmptyRoleSemantic.PERMIT;

    /**
     * The data protection requirements (i.e., whether or not SSL/TLS is
     * required) that must be satisfied by the connections on which requests
     * arrive.
     * 
     * @return the {@link TransportGuarantee}
     * indicating the data protection that must be provided by the connection.
     */
    TransportGuarantee transportGuarantee() default TransportGuarantee.NONE;

    /**
     * The names of the authorized roles.
     *
     * Duplicate role names appearing in rolesAllowed are insignificant and
     * may be discarded during runtime processing of the annotation. The String
     * "*" has no special meaning as a role name (should it occur in
     * rolesAllowed).
     *
     * @return an array of zero or more role names. When the array contains
     * zero elements, its meaning depends on the EmptyRoleSemantic
     * returned by the value method. If value returns
     * DENY, and rolesAllowed returns a zero length array,
     * access is to be denied independent of authentication state and identity.
     * Conversely, if value returns PERMIT, it
     * indicates that access is to be allowed independent of authentication
     * state and identity. When the array contains the names of one or more
     * roles, it indicates that access is contingent on membership in at
     * least one of the named roles (independent of the
     * EmptyRoleSemantic returned by the value method).
     */
    String[] rolesAllowed() default {};
}