1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * this work for additional information regarding copyright ownership. 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (the "License"); you may not use this file except in compliance with 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the License. You may obtain a copy of the License at 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage org.apache.harmony.luni.internal.net.www.protocol.file; 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.io.IOException; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.net.Proxy; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.net.URL; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.net.URLConnection; 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.net.URLStreamHandler; 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.luni.util.Msg; 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * This is the handler that is responsible for reading files from the file 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * system. 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class Handler extends URLStreamHandler { 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Returns a connection to the a file pointed by this <code>URL</code> in 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the file system 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return A connection to the resource pointed by this url. 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param url 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * URL The URL to which the connection is pointing to 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 443819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson public URLConnection openConnection(URL url) throws IOException { 453819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson return openConnection(url, null); 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The behaviour of this method is the same as openConnection(URL). 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * <code>proxy</code> is not used in FileURLConnection. 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 523819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * @param url 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the URL which the connection is pointing to 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param proxy 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Proxy 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @return a connection to the resource pointed by this url. 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @throws IOException 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * if this handler fails to establish a connection. 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @throws IllegalArgumentException 613819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson * if the url argument is null. 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @throws UnsupportedOperationException 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * if the protocol handler doesn't support this method. 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public URLConnection openConnection(URL url, Proxy proxy) 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throws IOException { 683819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson if (null == url) { 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // K034b=url and proxy can not be null 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new IllegalArgumentException(Msg.getString("K034b")); //$NON-NLS-1$ 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 723819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson 733819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson String host = url.getHost(); 743819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson if (host == null || host.length() == 0 753819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson || host.equalsIgnoreCase("localhost")) { //$NON-NLS-1$ 763819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson return new FileURLConnection(url); 773819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson } 783819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson 793819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson // If a hostname is specified try to get the resource using FTP 803819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson URL ftpURL = new URL("ftp", host, url.getFile()); //$NON-NLS-1$ 813819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson return (proxy == null) ? ftpURL.openConnection() : ftpURL 823819a76e7c1f49253f0e077bd497f149340c02b8Jesse Wilson .openConnection(proxy); 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Parse the <code>string</code>str into <code>URL</code> u which 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * already have the context properties. The string generally have the 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * following format: <code><center>/c:/windows/win.ini</center></code>. 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param u 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The URL object that's parsed into 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param str 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The string equivalent of the specification URL 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param start 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The index in the spec string from which to begin parsing 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @param end 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The index to stop parsing 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @see java.net.URLStreamHandler#toExternalForm(URL) 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * @see java.net.URL 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project @Override 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected void parseURL(URL u, String str, int start, int end) { 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (end < start) { 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return; 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project String parseString = ""; //$NON-NLS-1$ 108f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (start < end) { 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project parseString = str.substring(start, end).replace('\\', '/'); 110f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 111f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project super.parseURL(u, parseString, 0, parseString.length()); 112f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 113f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 114