Thu, 12 Oct 2017 19:44:07 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | * |
aoqi@0 | 25 | * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC. |
aoqi@0 | 26 | */ |
aoqi@0 | 27 | |
aoqi@0 | 28 | package com.sun.xml.internal.fastinfoset.sax; |
aoqi@0 | 29 | |
aoqi@0 | 30 | import java.io.*; |
aoqi@0 | 31 | |
aoqi@0 | 32 | public class SystemIdResolver { |
aoqi@0 | 33 | |
aoqi@0 | 34 | public SystemIdResolver() { |
aoqi@0 | 35 | } |
aoqi@0 | 36 | |
aoqi@0 | 37 | public static String getAbsoluteURIFromRelative(String localPath) { |
aoqi@0 | 38 | if (localPath == null || localPath.length() == 0) { |
aoqi@0 | 39 | return ""; |
aoqi@0 | 40 | } |
aoqi@0 | 41 | |
aoqi@0 | 42 | String absolutePath = localPath; |
aoqi@0 | 43 | if (!isAbsolutePath(localPath)) { |
aoqi@0 | 44 | try { |
aoqi@0 | 45 | absolutePath = getAbsolutePathFromRelativePath(localPath); |
aoqi@0 | 46 | } |
aoqi@0 | 47 | catch (SecurityException se) { |
aoqi@0 | 48 | return "file:" + localPath; |
aoqi@0 | 49 | } |
aoqi@0 | 50 | } |
aoqi@0 | 51 | |
aoqi@0 | 52 | String urlString; |
aoqi@0 | 53 | if (null != absolutePath) { |
aoqi@0 | 54 | urlString = absolutePath.startsWith(File.separator) ? |
aoqi@0 | 55 | ("file://" + absolutePath) : |
aoqi@0 | 56 | ("file:///" + absolutePath); |
aoqi@0 | 57 | } |
aoqi@0 | 58 | else { |
aoqi@0 | 59 | urlString = "file:" + localPath; |
aoqi@0 | 60 | } |
aoqi@0 | 61 | |
aoqi@0 | 62 | return replaceChars(urlString); |
aoqi@0 | 63 | } |
aoqi@0 | 64 | |
aoqi@0 | 65 | private static String getAbsolutePathFromRelativePath(String relativePath) { |
aoqi@0 | 66 | return new File(relativePath).getAbsolutePath(); |
aoqi@0 | 67 | } |
aoqi@0 | 68 | |
aoqi@0 | 69 | public static boolean isAbsoluteURI(String systemId) { |
aoqi@0 | 70 | if (systemId == null) { |
aoqi@0 | 71 | return false; |
aoqi@0 | 72 | } |
aoqi@0 | 73 | |
aoqi@0 | 74 | if (isWindowsAbsolutePath(systemId)) { |
aoqi@0 | 75 | return false; |
aoqi@0 | 76 | } |
aoqi@0 | 77 | |
aoqi@0 | 78 | final int fragmentIndex = systemId.indexOf('#'); |
aoqi@0 | 79 | final int queryIndex = systemId.indexOf('?'); |
aoqi@0 | 80 | final int slashIndex = systemId.indexOf('/'); |
aoqi@0 | 81 | final int colonIndex = systemId.indexOf(':'); |
aoqi@0 | 82 | |
aoqi@0 | 83 | int index = systemId.length() -1; |
aoqi@0 | 84 | if (fragmentIndex > 0) { |
aoqi@0 | 85 | index = fragmentIndex; |
aoqi@0 | 86 | } |
aoqi@0 | 87 | if (queryIndex > 0 && queryIndex < index) { |
aoqi@0 | 88 | index = queryIndex; |
aoqi@0 | 89 | } |
aoqi@0 | 90 | if (slashIndex > 0 && slashIndex <index) { |
aoqi@0 | 91 | index = slashIndex; |
aoqi@0 | 92 | } |
aoqi@0 | 93 | return (colonIndex > 0) && (colonIndex < index); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | |
aoqi@0 | 96 | public static boolean isAbsolutePath(String systemId) { |
aoqi@0 | 97 | if(systemId == null) |
aoqi@0 | 98 | return false; |
aoqi@0 | 99 | final File file = new File(systemId); |
aoqi@0 | 100 | return file.isAbsolute(); |
aoqi@0 | 101 | |
aoqi@0 | 102 | } |
aoqi@0 | 103 | |
aoqi@0 | 104 | private static boolean isWindowsAbsolutePath(String systemId) { |
aoqi@0 | 105 | if(!isAbsolutePath(systemId)) |
aoqi@0 | 106 | return false; |
aoqi@0 | 107 | if (systemId.length() > 2 |
aoqi@0 | 108 | && systemId.charAt(1) == ':' |
aoqi@0 | 109 | && Character.isLetter(systemId.charAt(0)) |
aoqi@0 | 110 | && (systemId.charAt(2) == '\\' || systemId.charAt(2) == '/')) |
aoqi@0 | 111 | return true; |
aoqi@0 | 112 | else |
aoqi@0 | 113 | return false; |
aoqi@0 | 114 | } |
aoqi@0 | 115 | |
aoqi@0 | 116 | private static String replaceChars(String str) { |
aoqi@0 | 117 | StringBuffer buf = new StringBuffer(str); |
aoqi@0 | 118 | int length = buf.length(); |
aoqi@0 | 119 | for (int i = 0; i < length; i++) { |
aoqi@0 | 120 | char currentChar = buf.charAt(i); |
aoqi@0 | 121 | // Replace space with "%20" |
aoqi@0 | 122 | if (currentChar == ' ') { |
aoqi@0 | 123 | buf.setCharAt(i, '%'); |
aoqi@0 | 124 | buf.insert(i+1, "20"); |
aoqi@0 | 125 | length = length + 2; |
aoqi@0 | 126 | i = i + 2; |
aoqi@0 | 127 | } |
aoqi@0 | 128 | // Replace backslash with forward slash |
aoqi@0 | 129 | else if (currentChar == '\\') { |
aoqi@0 | 130 | buf.setCharAt(i, '/'); |
aoqi@0 | 131 | } |
aoqi@0 | 132 | } |
aoqi@0 | 133 | |
aoqi@0 | 134 | return buf.toString(); |
aoqi@0 | 135 | } |
aoqi@0 | 136 | |
aoqi@0 | 137 | public static String getAbsoluteURI(String systemId) { |
aoqi@0 | 138 | String absoluteURI = systemId; |
aoqi@0 | 139 | if (isAbsoluteURI(systemId)) { |
aoqi@0 | 140 | if (systemId.startsWith("file:")) { |
aoqi@0 | 141 | String str = systemId.substring(5); |
aoqi@0 | 142 | |
aoqi@0 | 143 | if (str != null && str.startsWith("/")) { |
aoqi@0 | 144 | if (str.startsWith("///") || !str.startsWith("//")) { |
aoqi@0 | 145 | int secondColonIndex = systemId.indexOf(':', 5); |
aoqi@0 | 146 | if (secondColonIndex > 0) { |
aoqi@0 | 147 | String localPath = systemId.substring(secondColonIndex-1); |
aoqi@0 | 148 | try { |
aoqi@0 | 149 | if (!isAbsolutePath(localPath)) |
aoqi@0 | 150 | absoluteURI = systemId.substring(0, secondColonIndex-1) + |
aoqi@0 | 151 | getAbsolutePathFromRelativePath(localPath); |
aoqi@0 | 152 | } |
aoqi@0 | 153 | catch (SecurityException se) { |
aoqi@0 | 154 | return systemId; |
aoqi@0 | 155 | } |
aoqi@0 | 156 | } |
aoqi@0 | 157 | } |
aoqi@0 | 158 | } |
aoqi@0 | 159 | else { |
aoqi@0 | 160 | return getAbsoluteURIFromRelative(systemId.substring(5)); |
aoqi@0 | 161 | } |
aoqi@0 | 162 | |
aoqi@0 | 163 | return replaceChars(absoluteURI); |
aoqi@0 | 164 | } |
aoqi@0 | 165 | else { |
aoqi@0 | 166 | return systemId; |
aoqi@0 | 167 | } |
aoqi@0 | 168 | } |
aoqi@0 | 169 | else { |
aoqi@0 | 170 | return getAbsoluteURIFromRelative(systemId); |
aoqi@0 | 171 | } |
aoqi@0 | 172 | } |
aoqi@0 | 173 | } |