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package org.crosswire.common.xml; |
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import java.io.IOException; |
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import org.crosswire.common.util.ClassUtil; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.XMLReader; |
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import org.xml.sax.helpers.XMLReaderFactory; |
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public class XMLProcess { |
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38 | 0 | public XMLProcess() { |
39 | 0 | features = new XMLFeatureSet(); |
40 | 0 | } |
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public XMLFeatureSet getFeatures() { |
46 | 0 | return features; |
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} |
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public static void main(String[] argv) { |
55 | 0 | XMLProcess checker = new XMLProcess(); |
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58 | 0 | if (argv.length == 0) { |
59 | 0 | checker.usage(); |
60 | 0 | System.exit(1); |
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} |
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64 | 0 | String arg = null; |
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67 | 0 | for (int i = 0; i < argv.length; i++) { |
68 | 0 | arg = argv[i]; |
69 | 0 | if (arg.charAt(0) == '-') { |
70 | 0 | String option = arg.substring(1); |
71 | 0 | if ("h".equals(option)) { |
72 | 0 | checker.usage(); |
73 | 0 | System.exit(0); |
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} |
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} |
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} |
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78 | 0 | checker.initialize(argv); |
79 | 0 | checker.parse(arg); |
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81 | 0 | } |
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private void initialize(String[] argv) { |
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85 | 0 | int i = 0; |
86 | 0 | for (i = 0; i < argv.length; i++) { |
87 | 0 | String arg = argv[i]; |
88 | 0 | if (arg.charAt(0) == '-') { |
89 | 0 | String option = arg.substring(1); |
90 | 0 | if ("p".equals(option)) { |
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92 | 0 | if (++i == argv.length) { |
93 | 0 | System.err.println("error: Missing argument to -p option."); |
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} |
95 | 0 | parserName = argv[i]; |
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97 | 0 | createParser(); |
98 | 0 | continue; |
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} |
100 | 0 | if ("a".equals(option)) { |
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102 | 0 | if (++i == argv.length) { |
103 | 0 | System.err.println("error: Missing argument to -a option."); |
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} |
105 | 0 | adapterName = argv[i]; |
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107 | 0 | createAdapter(); |
108 | 0 | continue; |
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} |
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} |
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} |
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113 | 0 | features.setFeatureStates(argv); |
114 | 0 | } |
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private void bind() { |
117 | 0 | createParser(); |
118 | 0 | createAdapter(); |
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122 | 0 | setHandlers(); |
123 | 0 | features.setFeatures(parser); |
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125 | 0 | } |
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private void createParser() { |
128 | 0 | if (parser != null) { |
129 | 0 | return; |
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} |
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try { |
133 | 0 | parser = XMLReaderFactory.createXMLReader(parserName); |
134 | 0 | } catch (SAXException e) { |
135 | 0 | System.err.println("error: Unable to instantiate parser (" + parserName + ")"); |
136 | 0 | } |
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138 | 0 | } |
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private void createAdapter() { |
141 | 0 | if (adapter != null) { |
142 | 0 | return; |
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} |
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try { |
146 | 0 | adapter = (XMLHandlerAdapter) ClassUtil.forName(adapterName).newInstance(); |
147 | 0 | } catch (ClassNotFoundException e) { |
148 | 0 | System.err.println("error: Unable to instantiate XMLHandlerAdpater (" + adapterName + ")"); |
149 | 0 | } catch (InstantiationException e) { |
150 | 0 | System.err.println("error: Unable to instantiate XMLHandlerAdpater (" + adapterName + ")"); |
151 | 0 | } catch (IllegalAccessException e) { |
152 | 0 | System.err.println("error: Unable to instantiate XMLHandlerAdpater (" + adapterName + ")"); |
153 | 0 | } |
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155 | 0 | } |
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private void setHandlers() { |
158 | 0 | parser.setDTDHandler(adapter); |
159 | 0 | parser.setErrorHandler(adapter); |
160 | 0 | parser.setContentHandler(adapter); |
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try { |
163 | 0 | parser.setProperty(DECLARATION_HANDLER_PROPERTY_ID, adapter); |
164 | 0 | } catch (SAXException e) { |
165 | 0 | e.printStackTrace(System.err); |
166 | 0 | } |
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try { |
169 | 0 | parser.setProperty(LEXICAL_HANDLER_PROPERTY_ID, adapter); |
170 | 0 | } catch (SAXException e) { |
171 | 0 | e.printStackTrace(System.err); |
172 | 0 | } |
173 | 0 | } |
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public void parse(String xmlFile) { |
176 | 0 | bind(); |
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try { |
179 | 0 | System.out.println("Parsing with the following:"); |
180 | 0 | printActual(); |
181 | 0 | parser.parse(xmlFile); |
182 | 0 | System.out.println("Done: no problems found."); |
183 | 0 | } catch (SAXException e) { |
184 | 0 | System.err.println("error: Parse error occurred - " + e.getMessage()); |
185 | 0 | Exception nested = e.getException(); |
186 | 0 | if (nested != null) { |
187 | 0 | nested.printStackTrace(System.err); |
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} else { |
189 | 0 | e.printStackTrace(System.err); |
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} |
191 | 0 | } catch (IOException e) { |
192 | 0 | e.printStackTrace(System.err); |
193 | 0 | } |
194 | 0 | } |
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private void usage() { |
198 | 0 | System.err.println("usage: java org.crosswire.common.xml.XMLProcess (options) uri"); |
199 | 0 | System.err.println(); |
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201 | 0 | System.err.println("options:"); |
202 | 0 | printUsage(); |
203 | 0 | System.err.println(" -h This help screen."); |
204 | 0 | System.err.println(); |
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206 | 0 | System.err.println("defaults:"); |
207 | 0 | printDefaults(); |
208 | 0 | } |
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public void printUsage() { |
211 | 0 | System.err.println(" -p name Select parser by name."); |
212 | 0 | System.err.println(" -a name Select XMLHandlerAdapter by name."); |
213 | 0 | features.printUsage(); |
214 | 0 | } |
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public void printDefaults() { |
217 | 0 | System.err.println("Parser: " + DEFAULT_PARSER_NAME); |
218 | 0 | System.err.println("Handler: " + DEFAULT_HANDLER_NAME); |
219 | 0 | System.err.println(new XMLFeatureSet().toString()); |
220 | 0 | } |
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public void printActual() { |
223 | 0 | System.err.println("Parser: " + parserName); |
224 | 0 | System.err.println("Handler: " + adapterName); |
225 | 0 | System.err.println(new XMLFeatureSet().toString()); |
226 | 0 | } |
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private static final String LEXICAL_HANDLER_PROPERTY_ID = "http://xml.org/sax/properties/lexical-handler"; |
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private static final String DECLARATION_HANDLER_PROPERTY_ID = "http://xml.org/sax/properties/declaration-handler"; |
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private static final String DEFAULT_PARSER_NAME = "org.apache.xerces.parsers.SAXParser"; |
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private static final String DEFAULT_HANDLER_NAME = "org.crosswire.common.xml.XMLHandlerAdapter"; |
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246 | 0 | private String parserName = DEFAULT_PARSER_NAME; |
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private XMLReader parser; |
248 | 0 | private String adapterName = DEFAULT_HANDLER_NAME; |
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private XMLHandlerAdapter adapter; |
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private XMLFeatureSet features; |
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} |