| /* |
| * 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 org.apache.sling.resourceresolver.impl.mapping; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.api.resource.mapping.ResourceMapper; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Exposes low-level methods used for resource resolving and mapping |
| * |
| * <p>This interface is intended for bundle internal use and its main goal is to |
| * prevent accidental modifications of the internal state by only exposing |
| * accessor methods.</p> |
| * |
| * @see ResourceMapper |
| * @see ResourceResolver#map(String) |
| * @see ResourceResolver#map(javax.servlet.http.HttpServletRequest, String) |
| */ |
| public interface MapEntriesHandler { |
| |
| public MapEntriesHandler EMPTY = new MapEntriesHandler() { |
| |
| @Override |
| public Iterator<MapEntry> getResolveMapsIterator(String requestPath) { |
| return Collections.emptyIterator(); |
| } |
| |
| @Override |
| public List<MapEntry> getResolveMaps() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public Collection<MapEntry> getMapMaps() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public Map<String, String> getAliasMap(String parentPath) { |
| return Collections.emptyMap(); |
| } |
| |
| @Override |
| public Map<String, List<String>> getVanityPathMappings() { |
| return Collections.emptyMap(); |
| } |
| }; |
| |
| /** |
| * Returns all alias entries that for children of the specified <tt>parentPath</tt> |
| * |
| * <p>The returned map has resource names as keys and aliases as values.</p> |
| * |
| * @param parentPath the parent path |
| * @return a map of all child alias entries, possibly empty |
| */ |
| @NotNull Map<String, String> getAliasMap(@NotNull String parentPath); |
| |
| /** |
| * Creates an iterator over the possibly applicable mapping entries for resolving a resource |
| * |
| * <p>This method uses the request path to filter out any unapplicable mapping entries and |
| * is therefore preferrable over {@link #getResolveMaps()}.</p> |
| * |
| * <p>The iterator will iterate over the mapping entries in the order of the pattern length.</p> |
| * |
| * @return the map entry iterator |
| */ |
| @NotNull Iterator<MapEntry> getResolveMapsIterator(@NotNull String requestPath); |
| |
| /** |
| * Return a flat listing of map entries used for mapping resources to URLs |
| * |
| * <p>This method returns information about all mapping rules. Note that vanity paths are excluded.</p> |
| * |
| * @return an unmodifiable collection of map entries |
| */ |
| @NotNull Collection<MapEntry> getMapMaps(); |
| |
| /** |
| * Creates a flat listing of all the map entries used for resolving URLs to resources |
| * |
| * <p>This method returns information about all resolve rules, such as vanity paths, mapping entries, |
| * virtual URLs and URL mappings.</p> |
| * |
| * <p>This list is computed on-demand and therefore should not be used in performance-critical code.</p> |
| * |
| * @return an unmodifiable, sorted, list of resolution map entries |
| */ |
| @NotNull List<MapEntry> getResolveMaps(); |
| |
| /** |
| * Returns vanity paths mappings |
| * |
| * <p>The keys in the map are resource paths and the values are the vanity mappings.</p> |
| * |
| * @return an unmodifiable list of vanity path mappings |
| */ |
| @NotNull Map<String, List<String>> getVanityPathMappings(); |
| } |