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 28 package org.apache.http.nio.protocol; 29 30 import java.util.Map; 31 32 import org.apache.http.protocol.UriPatternMatcher; 33 34 /** 35 * Maintains a map of HTTP request handlers keyed by a request URI pattern. 36 * <br> 37 * Patterns may have three formats: 38 * <ul> 39 * <li>{@code *}</li> 40 * <li>{@code *<uri>}</li> 41 * <li>{@code <uri>*}</li> 42 * </ul> 43 * <br> 44 * This class can be used to resolve an instance of 45 * {@link NHttpRequestHandler} matching a particular request URI. Usually the 46 * resolved request handler will be used to process the request with the 47 * specified request URI. 48 * 49 * @since 4.0 50 * 51 * @deprecated (4.2) use {@link UriHttpAsyncRequestHandlerMapper} 52 */ 53 @Deprecated 54 public class NHttpRequestHandlerRegistry implements NHttpRequestHandlerResolver { 55 56 private final UriPatternMatcher<NHttpRequestHandler> matcher; 57 58 public NHttpRequestHandlerRegistry() { 59 matcher = new UriPatternMatcher<NHttpRequestHandler>(); 60 } 61 62 /** 63 * Registers the given {@link NHttpRequestHandler} as a handler for URIs 64 * matching the given pattern. 65 * 66 * @param pattern the pattern to register the handler for. 67 * @param handler the handler. 68 */ 69 public void register(final String pattern, final NHttpRequestHandler handler) { 70 matcher.register(pattern, handler); 71 } 72 73 /** 74 * Removes registered handler, if exists, for the given pattern. 75 * 76 * @param pattern the pattern to unregister the handler for. 77 */ 78 public void unregister(final String pattern) { 79 matcher.unregister(pattern); 80 } 81 82 /** 83 * Sets handlers from the given map. 84 * @param map the map containing handlers keyed by their URI patterns. 85 */ 86 public void setHandlers(final Map<String, NHttpRequestHandler> map) { 87 matcher.setObjects(map); 88 } 89 90 /** 91 * Get the handler map. 92 * @return The map of handlers and their associated URI patterns. 93 * 94 * @since 4.2 95 */ 96 public Map<String, NHttpRequestHandler> getHandlers() { 97 return matcher.getObjects(); 98 } 99 100 @Override 101 public NHttpRequestHandler lookup(final String requestURI) { 102 return matcher.lookup(requestURI); 103 } 104 105 }