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103 lines
3.3 KiB
Java
103 lines
3.3 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.protocol;
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import java.util.Map;
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/**
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* Maintains a map of HTTP request handlers keyed by a request URI pattern.
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* <br>
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* Patterns may have three formats:
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* <ul>
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* <li><code>*</code></li>
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* <li><code>*<uri></code></li>
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* <li><code><uri>*</code></li>
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* </ul>
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* <br>
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* This class can be used to resolve an instance of
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* {@link HttpRequestHandler} matching a particular request URI. Usually the
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* resolved request handler will be used to process the request with the
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* specified request URI.
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*
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* @since 4.0
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*/
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public class HttpRequestHandlerRegistry implements HttpRequestHandlerResolver {
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private final UriPatternMatcher matcher;
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public HttpRequestHandlerRegistry() {
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matcher = new UriPatternMatcher();
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}
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/**
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* Registers the given {@link HttpRequestHandler} as a handler for URIs
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* matching the given pattern.
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*
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* @param pattern the pattern to register the handler for.
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* @param handler the handler.
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*/
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public void register(final String pattern, final HttpRequestHandler handler) {
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if (pattern == null) {
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throw new IllegalArgumentException("URI request pattern may not be null");
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}
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if (handler == null) {
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throw new IllegalArgumentException("Request handler may not be null");
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}
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matcher.register(pattern, handler);
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}
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/**
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* Removes registered handler, if exists, for the given pattern.
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*
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* @param pattern the pattern to unregister the handler for.
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*/
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public void unregister(final String pattern) {
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matcher.unregister(pattern);
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}
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/**
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* Sets handlers from the given map.
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* @param map the map containing handlers keyed by their URI patterns.
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*/
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public void setHandlers(final Map map) {
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matcher.setObjects(map);
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}
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public HttpRequestHandler lookup(final String requestURI) {
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return (HttpRequestHandler) matcher.lookup(requestURI);
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}
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/**
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* @deprecated
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*/
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protected boolean matchUriRequestPattern(final String pattern, final String requestUri) {
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return matcher.matchUriRequestPattern(pattern, requestUri);
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}
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}
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