1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/UriPatternMatcher.java $ 3 * $Revision: 630662 $ 4 * $Date: 2008-02-24 11:40:51 -0800 (Sun, 24 Feb 2008) $ 5 * 6 * ==================================================================== 7 * Licensed to the Apache Software Foundation (ASF) under one 8 * or more contributor license agreements. See the NOTICE file 9 * distributed with this work for additional information 10 * regarding copyright ownership. The ASF licenses this file 11 * to you under the Apache License, Version 2.0 (the 12 * "License"); you may not use this file except in compliance 13 * with the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, 18 * software distributed under the License is distributed on an 19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20 * KIND, either express or implied. See the License for the 21 * specific language governing permissions and limitations 22 * under the License. 23 * ==================================================================== 24 * 25 * This software consists of voluntary contributions made by many 26 * individuals on behalf of the Apache Software Foundation. For more 27 * information on the Apache Software Foundation, please see 28 * <http://www.apache.org/>. 29 * 30 */ 31 32 package org.apache.http.protocol; 33 34 import java.util.HashMap; 35 import java.util.Iterator; 36 import java.util.Map; 37 38 /** 39 * Maintains a map of objects keyed by a request URI pattern. 40 * Instances can be looked up by request URI.<br/> 41 * Patterns may have three formats: 42 * <ul> 43 * <li><code>*</code></li> 44 * <li><code>*<uri></code></li> 45 * <li><code><uri>*</code></li> 46 * </ul> 47 * 48 * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> 49 * 50 * @version $Revision: 630662 $ 51 * 52 * @deprecated Please use {@link java.net.URL#openConnection} instead. 53 * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 54 * for further details. 55 */ 56 @Deprecated 57 public class UriPatternMatcher { 58 59 private final Map handlerMap; 60 UriPatternMatcher()61 public UriPatternMatcher() { 62 super(); 63 this.handlerMap = new HashMap(); 64 } 65 register(final String pattern, final Object handler)66 public void register(final String pattern, final Object handler) { 67 if (pattern == null) { 68 throw new IllegalArgumentException("URI request pattern may not be null"); 69 } 70 if (handler == null) { 71 throw new IllegalArgumentException("HTTP request handelr may not be null"); 72 } 73 this.handlerMap.put(pattern, handler); 74 } 75 unregister(final String pattern)76 public void unregister(final String pattern) { 77 if (pattern == null) { 78 return; 79 } 80 this.handlerMap.remove(pattern); 81 } 82 setHandlers(final Map map)83 public void setHandlers(final Map map) { 84 if (map == null) { 85 throw new IllegalArgumentException("Map of handlers may not be null"); 86 } 87 this.handlerMap.clear(); 88 this.handlerMap.putAll(map); 89 } 90 lookup(String requestURI)91 public Object lookup(String requestURI) { 92 if (requestURI == null) { 93 throw new IllegalArgumentException("Request URI may not be null"); 94 } 95 //Strip away the query part part if found 96 int index = requestURI.indexOf("?"); 97 if (index != -1) { 98 requestURI = requestURI.substring(0, index); 99 } 100 101 // direct match? 102 Object handler = this.handlerMap.get(requestURI); 103 if (handler == null) { 104 // pattern match? 105 String bestMatch = null; 106 for (Iterator it = this.handlerMap.keySet().iterator(); it.hasNext();) { 107 String pattern = (String) it.next(); 108 if (matchUriRequestPattern(pattern, requestURI)) { 109 // we have a match. is it any better? 110 if (bestMatch == null 111 || (bestMatch.length() < pattern.length()) 112 || (bestMatch.length() == pattern.length() && pattern.endsWith("*"))) { 113 handler = this.handlerMap.get(pattern); 114 bestMatch = pattern; 115 } 116 } 117 } 118 } 119 return handler; 120 } 121 matchUriRequestPattern(final String pattern, final String requestUri)122 protected boolean matchUriRequestPattern(final String pattern, final String requestUri) { 123 if (pattern.equals("*")) { 124 return true; 125 } else { 126 return 127 (pattern.endsWith("*") && requestUri.startsWith(pattern.substring(0, pattern.length() - 1))) || 128 (pattern.startsWith("*") && requestUri.endsWith(pattern.substring(1, pattern.length()))); 129 } 130 } 131 132 } 133