| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC. |
| */ |
| |
| |
| |
| package com.sun.xml.internal.fastinfoset.sax; |
| |
| import java.io.*; |
| |
| public class SystemIdResolver { |
| |
| public SystemIdResolver() { |
| } |
| |
| public static String getAbsoluteURIFromRelative(String localPath) { |
| if (localPath == null || localPath.length() == 0) { |
| return ""; |
| } |
| |
| String absolutePath = localPath; |
| if (!isAbsolutePath(localPath)) { |
| try { |
| absolutePath = getAbsolutePathFromRelativePath(localPath); |
| } |
| catch (SecurityException se) { |
| return "file:" + localPath; |
| } |
| } |
| |
| String urlString; |
| if (null != absolutePath) { |
| urlString = absolutePath.startsWith(File.separator) ? |
| ("file://" + absolutePath) : |
| ("file:///" + absolutePath); |
| } |
| else { |
| urlString = "file:" + localPath; |
| } |
| |
| return replaceChars(urlString); |
| } |
| |
| private static String getAbsolutePathFromRelativePath(String relativePath) { |
| return new File(relativePath).getAbsolutePath(); |
| } |
| |
| public static boolean isAbsoluteURI(String systemId) { |
| if (systemId == null) { |
| return false; |
| } |
| |
| if (isWindowsAbsolutePath(systemId)) { |
| return false; |
| } |
| |
| final int fragmentIndex = systemId.indexOf('#'); |
| final int queryIndex = systemId.indexOf('?'); |
| final int slashIndex = systemId.indexOf('/'); |
| final int colonIndex = systemId.indexOf(':'); |
| |
| int index = systemId.length() -1; |
| if (fragmentIndex > 0) { |
| index = fragmentIndex; |
| } |
| if (queryIndex > 0 && queryIndex < index) { |
| index = queryIndex; |
| } |
| if (slashIndex > 0 && slashIndex <index) { |
| index = slashIndex; |
| } |
| return (colonIndex > 0) && (colonIndex < index); |
| } |
| |
| public static boolean isAbsolutePath(String systemId) { |
| if(systemId == null) |
| return false; |
| final File file = new File(systemId); |
| return file.isAbsolute(); |
| |
| } |
| |
| private static boolean isWindowsAbsolutePath(String systemId) { |
| if(!isAbsolutePath(systemId)) |
| return false; |
| if (systemId.length() > 2 |
| && systemId.charAt(1) == ':' |
| && Character.isLetter(systemId.charAt(0)) |
| && (systemId.charAt(2) == '\\' || systemId.charAt(2) == '/')) |
| return true; |
| else |
| return false; |
| } |
| |
| private static String replaceChars(String str) { |
| StringBuffer buf = new StringBuffer(str); |
| int length = buf.length(); |
| for (int i = 0; i < length; i++) { |
| char currentChar = buf.charAt(i); |
| // Replace space with "%20" |
| if (currentChar == ' ') { |
| buf.setCharAt(i, '%'); |
| buf.insert(i+1, "20"); |
| length = length + 2; |
| i = i + 2; |
| } |
| // Replace backslash with forward slash |
| else if (currentChar == '\\') { |
| buf.setCharAt(i, '/'); |
| } |
| } |
| |
| return buf.toString(); |
| } |
| |
| public static String getAbsoluteURI(String systemId) { |
| String absoluteURI = systemId; |
| if (isAbsoluteURI(systemId)) { |
| if (systemId.startsWith("file:")) { |
| String str = systemId.substring(5); |
| |
| if (str != null && str.startsWith("/")) { |
| if (str.startsWith("///") || !str.startsWith("//")) { |
| int secondColonIndex = systemId.indexOf(':', 5); |
| if (secondColonIndex > 0) { |
| String localPath = systemId.substring(secondColonIndex-1); |
| try { |
| if (!isAbsolutePath(localPath)) |
| absoluteURI = systemId.substring(0, secondColonIndex-1) + |
| getAbsolutePathFromRelativePath(localPath); |
| } |
| catch (SecurityException se) { |
| return systemId; |
| } |
| } |
| } |
| } |
| else { |
| return getAbsoluteURIFromRelative(systemId.substring(5)); |
| } |
| |
| return replaceChars(absoluteURI); |
| } |
| else { |
| return systemId; |
| } |
| } |
| else { |
| return getAbsoluteURIFromRelative(systemId); |
| } |
| } |
| } |