001// Copyright 2008, 2009, 2013 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry5.annotations;
016
017import org.apache.tapestry5.ioc.annotations.AnnotationUseContext;
018import org.apache.tapestry5.ioc.annotations.UseWith;
019
020import java.lang.annotation.Documented;
021import java.lang.annotation.Retention;
022import java.lang.annotation.Target;
023
024import static java.lang.annotation.ElementType.TYPE;
025import static java.lang.annotation.RetentionPolicy.RUNTIME;
026
027/**
028 * A marker annotation that indicates that the page in question may only be accessed with a exact activation context.
029 *
030 * @see org.apache.tapestry5.MetaDataConstants#UNKNOWN_ACTIVATION_CONTEXT_CHECK
031 * @since 5.4
032 */
033@Target(TYPE)
034@Retention(RUNTIME)
035@Documented
036@UseWith(AnnotationUseContext.PAGE)
037public @interface UnknownActivationContextCheck
038{
039    /**
040     * If <code>true</code>, the default, the framework will check for an exact (number and type of parameters)
041     * activation context method and if not found will respond with a 404 Not Found status code, if <code>false</code>
042     * the activation context is ignored as it was before 5.4 release.
043     *
044     * @see org.apache.tapestry5.MetaDataConstants#UNKNOWN_ACTIVATION_CONTEXT_CHECK
045     * @see org.apache.tapestry5.services.HttpError
046     */
047    boolean value() default true;
048}