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Diffstat (limited to 'mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/UriHttpRequestHandlerMapper.java')
-rw-r--r-- | mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/UriHttpRequestHandlerMapper.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/UriHttpRequestHandlerMapper.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/UriHttpRequestHandlerMapper.java new file mode 100644 index 000000000..f09dea611 --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/UriHttpRequestHandlerMapper.java @@ -0,0 +1,115 @@ +/* + * ==================================================================== + * 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 + * <http://www.apache.org/>. + * + */ + +package ch.boye.httpclientandroidlib.protocol; + +import ch.boye.httpclientandroidlib.HttpRequest; +import ch.boye.httpclientandroidlib.annotation.ThreadSafe; +import ch.boye.httpclientandroidlib.util.Args; + +/** + * Maintains a map of HTTP request handlers keyed by a request URI pattern. + * <br> + * Patterns may have three formats: + * <ul> + * <li><code>*</code></li> + * <li><code>*<uri></code></li> + * <li><code><uri>*</code></li> + * </ul> + * <br> + * This class can be used to map an instance of + * {@link HttpRequestHandler} matching a particular request URI. Usually the + * mapped request handler will be used to process the request with the + * specified request URI. + * + * @since 4.3 + */ +@ThreadSafe // provided injected dependencies are thread-safe +public class UriHttpRequestHandlerMapper implements HttpRequestHandlerMapper { + + private final UriPatternMatcher<HttpRequestHandler> matcher; + + protected UriHttpRequestHandlerMapper(final UriPatternMatcher<HttpRequestHandler> matcher) { + super(); + this.matcher = Args.notNull(matcher, "Pattern matcher"); + } + + public UriHttpRequestHandlerMapper() { + this(new UriPatternMatcher<HttpRequestHandler>()); + } + + /** + * Registers the given {@link HttpRequestHandler} as a handler for URIs + * matching the given pattern. + * + * @param pattern the pattern to register the handler for. + * @param handler the handler. + */ + public void register(final String pattern, final HttpRequestHandler handler) { + Args.notNull(pattern, "Pattern"); + Args.notNull(handler, "Handler"); + matcher.register(pattern, handler); + } + + /** + * Removes registered handler, if exists, for the given pattern. + * + * @param pattern the pattern to unregister the handler for. + */ + public void unregister(final String pattern) { + matcher.unregister(pattern); + } + + /** + * Extracts request path from the given {@link HttpRequest} + */ + protected String getRequestPath(final HttpRequest request) { + String uriPath = request.getRequestLine().getUri(); + int index = uriPath.indexOf("?"); + if (index != -1) { + uriPath = uriPath.substring(0, index); + } else { + index = uriPath.indexOf("#"); + if (index != -1) { + uriPath = uriPath.substring(0, index); + } + } + return uriPath; + } + + /** + * Looks up a handler matching the given request URI. + * + * @param request the request + * @return handler or <code>null</code> if no match is found. + */ + public HttpRequestHandler lookup(final HttpRequest request) { + Args.notNull(request, "HTTP request"); + return matcher.lookup(getRequestPath(request)); + } + +} |