001// Copyright 2018 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.services;
016
017import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration;
018
019/**
020 * Chain-of-responsibility service which defines rules for blocking access to classpath resources 
021 * based on their paths. Access is blocked if any rule says it should be blocked.
022 * 
023 * @see ComponentEventRequestHandler
024 */
025@UsesOrderedConfiguration(ClasspathAssetProtectionRule.class)
026public interface ClasspathAssetProtectionRule
027{
028    /**
029     * Tells whether the access to the resource with this path should be blocked or not.
030     * If this rule doesn't concern the given path, it should return false.
031     */
032    public boolean block(String path);
033}