1069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/* 2069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/utils/URIUtils.java $ 3069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Revision: 653041 $ 4069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $ 5069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 6069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 7069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 8069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 9069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 10069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * this work for additional information regarding copyright ownership. 11069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 12069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * (the "License"); you may not use this file except in compliance with 13069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * the License. You may obtain a copy of the License at 14069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 15069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 16069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 17069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 18069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 19069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * See the License for the specific language governing permissions and 21069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * limitations under the License. 22069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 23069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 24069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * This software consists of voluntary contributions made by many 25069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * individuals on behalf of the Apache Software Foundation. For more 26069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * information on the Apache Software Foundation, please see 27069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <http://www.apache.org/>. 28069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 29069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 30069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpackage org.apache.http.client.utils; 31069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 32069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.net.URI; 33069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.net.URISyntaxException; 34069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 35069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HttpHost; 36069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 37069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/** 38069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * A collection of utilities for {@link URI URIs}, to workaround 39069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * bugs within the class or for ease-of-use features. 40069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 41069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpublic class URIUtils { 42069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 43069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 44069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Constructs a {@link URI} using all the parameters. This should be 45069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * used instead of 46069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * {@link URI#URI(String, String, String, int, String, String, String)} 47069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * or any of the other URI multi-argument URI constructors. 48069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 49069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * See <a 50069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * href="https://issues.apache.org/jira/browse/HTTPCLIENT-730">HTTPCLIENT-730</a> 51069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * for more information. 52069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 53069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param scheme 54069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Scheme name 55069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param host 56069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Host name 57069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param port 58069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Port number 59069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param path 60069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Path 61069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param query 62069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Query 63069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param fragment 64069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Fragment 65069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 66069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @throws URISyntaxException 67069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * If both a scheme and a path are given but the path is 68069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * relative, if the URI string constructed from the given 69069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * components violates RFC 2396, or if the authority 70069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * component of the string is present but cannot be parsed 71069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * as a server-based authority 72069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 73069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public static URI createURI( 74069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final String scheme, 75069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final String host, 76069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project int port, 77069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final String path, 78069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final String query, 79069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final String fragment) throws URISyntaxException { 80069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 81069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project StringBuilder buffer = new StringBuilder(); 82069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (host != null) { 83069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (scheme != null) { 84069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append(scheme); 85069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append("://"); 86069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 87069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append(host); 88069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (port > 0) { 89069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append(':'); 90069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append(port); 91069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 92069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 93069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (path == null || !path.startsWith("/")) { 94069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append('/'); 95069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 96069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (path != null) { 97069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append(path); 98069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 99069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (query != null) { 100069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append('?'); 101069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append(query); 102069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 103069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (fragment != null) { 104069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append('#'); 105069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project buffer.append(fragment); 106069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 107069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new URI(buffer.toString()); 108069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 109069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 110069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 111069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * A convenience method for creating a new {@link URI} whose scheme, host 112069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * and port are taken from the target host, but whose path, query and 113069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * fragment are taken from the existing URI. The fragment is only used if 114069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * dropFragment is false. 115069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 116069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param uri 117069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Contains the path, query and fragment to use. 118069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param target 119069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Contains the scheme, host and port to use. 120069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param dropFragment 121069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * True if the fragment should not be copied. 122069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 123069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @throws URISyntaxException 124069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * If the resulting URI is invalid. 125069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 126069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public static URI rewriteURI( 127069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final URI uri, 128069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpHost target, 129069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project boolean dropFragment) throws URISyntaxException { 130069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (uri == null) { 131069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("URI may nor be null"); 132069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 133069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (target != null) { 134069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return URIUtils.createURI( 135069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project target.getSchemeName(), 136069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project target.getHostName(), 137069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project target.getPort(), 138069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project uri.getRawPath(), 139069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project uri.getRawQuery(), 140069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project dropFragment ? null : uri.getRawFragment()); 141069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } else { 142069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return URIUtils.createURI( 143069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project null, 144069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project null, 145069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project -1, 146069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project uri.getRawPath(), 147069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project uri.getRawQuery(), 148069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project dropFragment ? null : uri.getRawFragment()); 149069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 150069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 151069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 152069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 153069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * A convenience method for 154069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * {@link URIUtils#rewriteURI(URI, HttpHost, boolean)} that always keeps the 155069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * fragment. 156069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 157069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public static URI rewriteURI( 158069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final URI uri, 159069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final HttpHost target) throws URISyntaxException { 160069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return rewriteURI(uri, target, false); 161069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 162069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 163069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 164069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Resolves a URI reference against a base URI. Work-around for bug in 165069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * java.net.URI (<http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4708535>) 166069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 167069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param baseURI the base URI 168069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param reference the URI reference 169069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return the resulting URI 170069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 171069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public static URI resolve(final URI baseURI, final String reference) { 172069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return URIUtils.resolve(baseURI, URI.create(reference)); 173069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 174069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 175069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 176069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Resolves a URI reference against a base URI. Work-around for bug in 177069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * java.net.URI (<http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4708535>) 178069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 179069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param baseURI the base URI 180069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param reference the URI reference 181069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return the resulting URI 182069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 183069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public static URI resolve(final URI baseURI, URI reference){ 184069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (baseURI == null) { 185069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("Base URI may nor be null"); 186069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 187069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (reference == null) { 188069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("Reference URI may nor be null"); 189069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 190069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project boolean emptyReference = reference.toString().length() == 0; 191069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (emptyReference) { 192069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project reference = URI.create("#"); 193069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 194069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project URI resolved = baseURI.resolve(reference); 195069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (emptyReference) { 196069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project String resolvedString = resolved.toString(); 197069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project resolved = URI.create(resolvedString.substring(0, 198069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project resolvedString.indexOf('#'))); 199069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 200069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return resolved; 201069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 202069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 203069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 204069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * This class should not be instantiated. 205069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 206069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private URIUtils() { 207069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 208069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 209069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project} 210