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1 /* |
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2 * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 * |
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25 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC. |
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26 */ |
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27 |
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28 package com.sun.xml.internal.fastinfoset.tools; |
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29 |
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30 import java.io.BufferedInputStream; |
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31 import java.io.BufferedOutputStream; |
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32 import java.io.File; |
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33 import java.io.FileInputStream; |
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34 import java.io.FileOutputStream; |
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35 import java.io.IOException; |
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36 import java.io.InputStream; |
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37 import java.io.OutputStream; |
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38 import com.sun.xml.internal.fastinfoset.CommonResourceBundle; |
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39 import java.net.URI; |
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40 import java.net.URISyntaxException; |
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41 import org.xml.sax.EntityResolver; |
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42 import org.xml.sax.InputSource; |
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43 import org.xml.sax.SAXException; |
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44 |
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45 public abstract class TransformInputOutput { |
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46 |
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47 /** Creates a new instance of TransformInputOutput */ |
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48 public TransformInputOutput() { |
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49 } |
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50 |
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51 public void parse(String[] args) throws Exception { |
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52 InputStream in = null; |
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53 OutputStream out = null; |
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54 if (args.length == 0) { |
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55 in = new BufferedInputStream(System.in); |
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56 out = new BufferedOutputStream(System.out); |
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57 } else if (args.length == 1) { |
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58 in = new BufferedInputStream(new FileInputStream(args[0])); |
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59 out = new BufferedOutputStream(System.out); |
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60 } else if (args.length == 2) { |
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61 in = new BufferedInputStream(new FileInputStream(args[0])); |
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62 out = new BufferedOutputStream(new FileOutputStream(args[1])); |
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63 } else { |
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64 throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.optinalFileNotSpecified")); |
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65 } |
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66 |
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67 parse(in, out); |
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68 } |
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69 |
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70 abstract public void parse(InputStream in, OutputStream out) throws Exception; |
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71 |
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72 // parse alternative with current working directory parameter |
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73 // is used to process xml documents, which have external imported entities |
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74 public void parse(InputStream in, OutputStream out, String workingDirectory) throws Exception { |
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75 throw new UnsupportedOperationException(); |
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76 } |
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77 |
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78 private static URI currentJavaWorkingDirectory; |
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79 static { |
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80 currentJavaWorkingDirectory = new File(System.getProperty("user.dir")).toURI(); |
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81 } |
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82 |
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83 protected static EntityResolver createRelativePathResolver(final String workingDirectory) { |
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84 return new EntityResolver() { |
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85 public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException { |
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86 if (systemId != null && systemId.startsWith("file:/")) { |
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87 URI workingDirectoryURI = new File(workingDirectory).toURI(); |
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88 URI workingFile; |
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89 try { |
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90 // Construction new File(new URI(String)).toURI() is used to be sure URI has correct representation without redundant '/' |
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91 workingFile = convertToNewWorkingDirectory(currentJavaWorkingDirectory, workingDirectoryURI, new File(new URI(systemId)).toURI()); |
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92 return new InputSource(workingFile.toString()); |
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93 } catch (URISyntaxException ex) { |
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94 //Should not get here |
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95 } |
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96 } |
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97 return null; |
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98 } |
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99 }; |
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100 } |
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101 |
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102 private static URI convertToNewWorkingDirectory(URI oldwd, URI newwd, URI file) throws IOException, URISyntaxException { |
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103 String oldwdStr = oldwd.toString(); |
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104 String newwdStr = newwd.toString(); |
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105 String fileStr = file.toString(); |
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106 |
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107 String cmpStr = null; |
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108 // In simpliest case <user.dir>/file.xml - do it faster |
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109 if (fileStr.startsWith(oldwdStr) && (cmpStr = fileStr.substring(oldwdStr.length())).indexOf('/') == -1) { |
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110 return new URI(newwdStr + '/' + cmpStr); |
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111 } |
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112 |
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113 String[] oldwdSplit = oldwdStr.split("/"); |
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114 String[] newwdSplit = newwdStr.split("/"); |
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115 String[] fileSplit = fileStr.split("/"); |
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116 |
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117 int diff; |
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118 for(diff = 0; diff<oldwdSplit.length & diff<fileSplit.length; diff++) { |
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119 if (!oldwdSplit[diff].equals(fileSplit[diff])) { |
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120 break; |
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121 } |
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122 } |
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123 |
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124 int diffNew; |
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125 for(diffNew=0; diffNew<newwdSplit.length && diffNew<fileSplit.length; diffNew++) { |
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126 if (!newwdSplit[diffNew].equals(fileSplit[diffNew])) { |
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127 break; |
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128 } |
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129 } |
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130 |
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131 //Workaround for case, when extrnal imported entity has imports other entity |
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132 //in that case systemId has correct path, not based on user.dir |
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133 if (diffNew > diff) { |
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134 return file; |
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135 } |
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136 |
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137 int elemsToSub = oldwdSplit.length - diff; |
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138 StringBuffer resultStr = new StringBuffer(100); |
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139 for(int i=0; i<newwdSplit.length - elemsToSub; i++) { |
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140 resultStr.append(newwdSplit[i]); |
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141 resultStr.append('/'); |
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142 } |
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143 |
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144 for(int i=diff; i<fileSplit.length; i++) { |
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145 resultStr.append(fileSplit[i]); |
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146 if (i < fileSplit.length - 1) resultStr.append('/'); |
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147 } |
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148 |
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149 return new URI(resultStr.toString()); |
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150 } |
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151 } |