1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 package org.apache.hc.core5.http.protocol; 28 29 /** 30 * A lookup registry. 31 * 32 * @param <T> The type of objects to register and lookup. 33 */ 34 public interface LookupRegistry<T> { 35 36 /** 37 * Registers the given object for URIs matching the given pattern. 38 * 39 * @param pattern the pattern to register the handler for. 40 * @param obj the object. 41 */ 42 void register(String pattern, T obj); 43 44 /** 45 * Looks up an object matching the given request path. 46 * 47 * @param value the request path 48 * @return object or {@code null} if no match is found. 49 */ 50 T lookup(String value); 51 52 /** 53 * Removes registered object, if exists, for the given pattern. 54 * 55 * @param pattern the pattern to unregister. 56 */ 57 void unregister(String pattern); 58 59 }