/*
 * 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 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;

Specific security constraints can be applied to different types of request, differentiated by the HTTP protocol method type by using this annotation inside the ServletSecurity annotation. 
Since:
Servlet 3.0/**
 * Specific security constraints can be applied to different types of request,
 * differentiated by the HTTP protocol method type by using this annotation
 * inside the {@link javax.servlet.annotation.ServletSecurity} annotation.
 *
 * @since Servlet 3.0
 *
 */
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface HttpMethodConstraint {

    
HTTP Protocol method name (e.g. POST, PUT)
Returns:
method name/**
     * HTTP Protocol method name (e.g. POST, PUT)
     *
     * @return method name
     */
    String value();

    
The EmptyRoleSemantic determines the behaviour when the rolesAllowed list
is empty.
Returns:
empty role semantic/**
     * The EmptyRoleSemantic determines the behaviour when the rolesAllowed list
     * is empty.
     *
     * @return empty role semantic
     */
    EmptyRoleSemantic emptyRoleSemantic() default EmptyRoleSemantic.PERMIT;

    
Determines whether SSL/TLS is required to process the current request.
Returns:
transport guarantee/**
     * Determines whether SSL/TLS is required to process the current request.
     *
     * @return transport guarantee
     */
    TransportGuarantee transportGuarantee() default TransportGuarantee.NONE;

    
The authorized roles' names. The container may discard duplicate role
names during processing of the annotation. N.B. The String "*" does not
have a special meaning if it occurs as a role name.
Returns:
array of names. The array may be of zero length, in which case
        the EmptyRoleSemantic applies; the returned value determines
        whether access is to be permitted or denied regardless of the
        identity and authentication state in either case, PERMIT or DENY.

        Otherwise, when the array contains one or more role names access
        is permitted if the user a member of at least one of the named
        roles. The EmptyRoleSemantic is not applied in this case./**
     * The authorized roles' names. The container may discard duplicate role
     * names during processing of the annotation. N.B. The String "*" does not
     * have a special meaning if it occurs as a role name.
     *
     * @return array of names. The array may be of zero length, in which case
     *         the EmptyRoleSemantic applies; the returned value determines
     *         whether access is to be permitted or denied regardless of the
     *         identity and authentication state in either case, PERMIT or DENY.<br>
     *         Otherwise, when the array contains one or more role names access
     *         is permitted if the user a member of at least one of the named
     *         roles. The EmptyRoleSemantic is not applied in this case.
     */
    String[] rolesAllowed() default {};
}