diff -r 000000000000 -r 6474c204b198 mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/UriPatternMatcher.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/UriPatternMatcher.java Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,164 @@ +/* + * ==================================================================== + * 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + * + */ + +package ch.boye.httpclientandroidlib.protocol; + +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +/** + * Maintains a map of objects keyed by a request URI pattern. + *
+ * Patterns may have three formats: + * + *
+ * This class can be used to resolve an object matching a particular request + * URI. + * + * @since 4.0 + */ +public class UriPatternMatcher { + + /** + * TODO: Replace with ConcurrentHashMap + */ + private final Map map; + + public UriPatternMatcher() { + super(); + this.map = new HashMap(); + } + + /** + * Registers the given object for URIs matching the given pattern. + * + * @param pattern the pattern to register the handler for. + * @param obj the object. + */ + public synchronized void register(final String pattern, final Object obj) { + if (pattern == null) { + throw new IllegalArgumentException("URI request pattern may not be null"); + } + this.map.put(pattern, obj); + } + + /** + * Removes registered object, if exists, for the given pattern. + * + * @param pattern the pattern to unregister. + */ + public synchronized void unregister(final String pattern) { + if (pattern == null) { + return; + } + this.map.remove(pattern); + } + + /** + * @deprecated use {@link #setObjects(Map)} + */ + public synchronized void setHandlers(final Map map) { + if (map == null) { + throw new IllegalArgumentException("Map of handlers may not be null"); + } + this.map.clear(); + this.map.putAll(map); + } + + /** + * Sets objects from the given map. + * @param map the map containing objects keyed by their URI patterns. + */ + public synchronized void setObjects(final Map map) { + if (map == null) { + throw new IllegalArgumentException("Map of handlers may not be null"); + } + this.map.clear(); + this.map.putAll(map); + } + + /** + * Looks up an object matching the given request URI. + * + * @param requestURI the request URI + * @return object or null if no match is found. + */ + public synchronized Object lookup(String requestURI) { + if (requestURI == null) { + throw new IllegalArgumentException("Request URI may not be null"); + } + //Strip away the query part part if found + int index = requestURI.indexOf("?"); + if (index != -1) { + requestURI = requestURI.substring(0, index); + } + + // direct match? + Object obj = this.map.get(requestURI); + if (obj == null) { + // pattern match? + String bestMatch = null; + for (Iterator it = this.map.keySet().iterator(); it.hasNext();) { + String pattern = (String) it.next(); + if (matchUriRequestPattern(pattern, requestURI)) { + // we have a match. is it any better? + if (bestMatch == null + || (bestMatch.length() < pattern.length()) + || (bestMatch.length() == pattern.length() && pattern.endsWith("*"))) { + obj = this.map.get(pattern); + bestMatch = pattern; + } + } + } + } + return obj; + } + + /** + * Tests if the given request URI matches the given pattern. + * + * @param pattern the pattern + * @param requestUri the request URI + * @return true if the request URI matches the pattern, + * false otherwise. + */ + protected boolean matchUriRequestPattern(final String pattern, final String requestUri) { + if (pattern.equals("*")) { + return true; + } else { + return + (pattern.endsWith("*") && requestUri.startsWith(pattern.substring(0, pattern.length() - 1))) || + (pattern.startsWith("*") && requestUri.endsWith(pattern.substring(1, pattern.length()))); + } + } + +}