annotate src/share/vm/prims/jvmtiGen.java @ 10405:f2110083203d

8005849: JEP 167: Event-Based JVM Tracing Reviewed-by: acorn, coleenp, sla Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author sla
date Mon, 10 Jun 2013 11:30:51 +0200
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1 /*
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2 * Copyright (c) 2003, 2013, 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.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions.
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22 *
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23 */
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24
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25 import javax.xml.parsers.DocumentBuilder;
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26 import javax.xml.parsers.DocumentBuilderFactory;
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27 import javax.xml.parsers.FactoryConfigurationError;
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28 import javax.xml.parsers.ParserConfigurationException;
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29
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30 import org.xml.sax.SAXException;
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31 import org.xml.sax.SAXParseException;
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32 import org.w3c.dom.Document;
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33 import org.w3c.dom.DOMException;
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34 // For write operation
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35 import javax.xml.transform.Transformer;
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36 import javax.xml.transform.TransformerException;
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37 import javax.xml.transform.TransformerFactory;
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38 import javax.xml.transform.TransformerConfigurationException;
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39 import javax.xml.transform.dom.DOMSource;
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40 import javax.xml.transform.stream.StreamSource;
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41 import javax.xml.transform.stream.StreamResult;
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42
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43 import java.io.*;
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44
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45 public class jvmtiGen
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46 {
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47 /**
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48 * Write out usage and exit.
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49 */
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50 private static void showUsage() {
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51 System.err.println("usage:");
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52 System.err.println(" java jvmtiGen " +
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53 "-IN <input XML file name> " +
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54 "-XSL <XSL file> " +
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55 "-OUT <output file name> " +
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56 "[-PARAM <name> <expression> ...]");
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57 System.exit(0); // There is no returning from showUsage()
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58 }
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59
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60 // Global value so it can be ref'd by the tree-adapter
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61 static Document document;
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62
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63 public static void main (String argv [])
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64 {
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65 String inFileName=null;
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66 String xslFileName=null;
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67 String outFileName=null;
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68 java.util.Vector<String> params=new java.util.Vector<String>();
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69 for (int ii = 0; ii < argv.length; ii++) {
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70 if (argv[ii].equals("-IN")) {
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71 inFileName = argv[++ii];
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72 } else if (argv[ii].equals("-XSL")) {
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73 xslFileName = argv[++ii];
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74 } else if (argv[ii].equals("-OUT")) {
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75 outFileName = argv[++ii];
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76 } else if (argv[ii].equals("-PARAM")) {
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77 if (ii + 2 < argv.length) {
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78 String name = argv[++ii];
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79 params.addElement(name);
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80 String expression = argv[++ii];
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81 params.addElement(expression);
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82 } else {
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83 showUsage();
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84 }
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85 } else {
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86 showUsage();
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87 }
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88 }
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89 if (inFileName==null || xslFileName==null || outFileName==null){
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90 showUsage();
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91 }
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92
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93 /*
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94 * Due to JAXP breakage in some intermediate Tiger builds, the
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95 * com.sun.org.apache..... parser may throw an exception:
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96 * com.sun.org.apache.xml.internal.utils.WrappedRuntimeException:
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97 * org.apache.xalan.serialize.SerializerToText
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98 *
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99 * To work around the problem, this program uses the
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100 * org.apache.xalan.... version if it is available. It is
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101 * available in J2SE 1.4.x and early builds of 1.5 (Tiger).
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102 * It was removed at the same time the thrown exception issue
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103 * above was fixed, so if the class is not found we can proceed
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104 * and use the default parser.
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105 */
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106 final String parserProperty =
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107 "javax.xml.transform.TransformerFactory";
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108 final String workaroundParser =
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109 "org.apache.xalan.processor.TransformerFactoryImpl";
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110
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111 try {
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112 java.lang.Class cls = java.lang.Class.forName(workaroundParser);
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113 /*
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114 * If we get here, we found the class. Use it.
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115 */
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116 System.setProperty(parserProperty, workaroundParser);
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117 System.out.println("Info: jvmtiGen using " + parserProperty +
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118 " = " + workaroundParser);
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119 } catch (ClassNotFoundException cnfex) {
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120 /*
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121 * We didn't find workaroundParser. Ignore the
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122 * exception and proceed with default settings.
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123 */
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124 }
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125
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126 DocumentBuilderFactory factory =
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127 DocumentBuilderFactory.newInstance();
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128
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129 factory.setNamespaceAware(true);
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130 factory.setValidating(true);
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131 factory.setXIncludeAware(true);
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132
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133 try {
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134 File datafile = new File(inFileName);
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135 File stylesheet = new File(xslFileName);
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136
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137 DocumentBuilder builder = factory.newDocumentBuilder();
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138 document = builder.parse(datafile);
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139
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140 // Use a Transformer for output
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141 TransformerFactory tFactory =
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142 TransformerFactory.newInstance();
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143 StreamSource stylesource = new StreamSource(stylesheet);
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144 Transformer transformer = tFactory.newTransformer(stylesource);
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145 for (int ii = 0; ii < params.size(); ii += 2){
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146 transformer.setParameter((String) params.elementAt(ii),
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147 (String) params.elementAt(ii + 1));
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148 }
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149 DOMSource source = new DOMSource(document);
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150
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151 PrintStream ps = new PrintStream( new FileOutputStream(outFileName));
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152 StreamResult result = new StreamResult(ps);
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153 transformer.transform(source, result);
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154
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155 } catch (TransformerConfigurationException tce) {
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156 // Error generated by the parser
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157 System.out.println ("\n** Transformer Factory error");
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158 System.out.println(" " + tce.getMessage() );
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159
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160 // Use the contained exception, if any
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161 Throwable x = tce;
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162 if (tce.getException() != null)
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163 x = tce.getException();
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164 x.printStackTrace();
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165
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166 } catch (TransformerException te) {
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167 // Error generated by the parser
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168 System.out.println ("\n** Transformation error");
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169 System.out.println(" " + te.getMessage() );
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170
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171 // Use the contained exception, if any
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172 Throwable x = te;
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173 if (te.getException() != null)
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174 x = te.getException();
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175 x.printStackTrace();
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176
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177 } catch (SAXException sxe) {
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178 // Error generated by this application
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179 // (or a parser-initialization error)
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180 Exception x = sxe;
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181 if (sxe.getException() != null)
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182 x = sxe.getException();
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183 x.printStackTrace();
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184
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185 } catch (ParserConfigurationException pce) {
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186 // Parser with specified options can't be built
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187 pce.printStackTrace();
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188
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189 } catch (IOException ioe) {
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190 // I/O error
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191 ioe.printStackTrace();
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192 }
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193 } // main
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194 }