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1
57
58 package dom;
59
60 import org.enhydra.apache.xerces.dom.TextImpl;
61 import org.w3c.dom.Document  ;
62 import org.w3c.dom.NamedNodeMap ;
63 import org.w3c.dom.Node ;
64 import org.w3c.dom.NodeList ;
65
66 import util.Arguments;
67
68
74 public class DOMCount {
75
76
80
81 private static final String
82 DEFAULT_PARSER_NAME = "dom.wrappers.DOMParser";
83
84 private static boolean setValidation = false; private static boolean setNameSpaces = true;
86 private static boolean setSchemaSupport = true;
87 private static boolean setSchemaFullSupport = false;
88 private static boolean setDeferredDOM = true;
89
90
91
92
96
97 private long elements;
98
99
100 private long attributes;
101
102
103 private long characters;
104
105
106 private long ignorableWhitespace;
107
108
109
113
114 public static void count(String parserWrapperName, String uri) {
115
116 try {
117 DOMParserWrapper parser =
118 (DOMParserWrapper)Class.forName(parserWrapperName).newInstance();
119 DOMCount counter = new DOMCount();
120 long before = System.currentTimeMillis();
121 parser.setFeature( "http://apache.org/xml/features/dom/defer-node-expansion",
122
123 setDeferredDOM );
124 parser.setFeature( "http://xml.org/sax/features/validation",
125 setValidation );
126 parser.setFeature( "http://xml.org/sax/features/namespaces",
127 setNameSpaces );
128 parser.setFeature( "http://apache.org/xml/features/validation/schema",
129 setSchemaSupport );
130 parser.setFeature( "http://apache.org/xml/features/validation/schema-full-checking",
131 setSchemaFullSupport );
132
133 Document document = parser.parse(uri);
134 counter.traverse(document);
135 long after = System.currentTimeMillis();
136 counter.printResults(uri, after - before);
137 } catch (org.xml.sax.SAXParseException spe) {
138 } catch (org.xml.sax.SAXNotRecognizedException ex ){
139 } catch (org.xml.sax.SAXNotSupportedException ex ){
140 } catch (org.xml.sax.SAXException se) {
141 if (se.getException() != null)
142 se.getException().printStackTrace(System.err);
143 else
144 se.printStackTrace(System.err);
145 } catch (Exception e) {
146 e.printStackTrace(System.err);
147 }
148
149 }
151
155
156 public void traverse(Node node) {
157
158 if (node == null) {
160 return;
161 }
162
163 int type = node.getNodeType();
164 switch (type) {
165 case Node.DOCUMENT_NODE: {
167 elements = 0;
168 attributes = 0;
169 characters = 0;
170 ignorableWhitespace = 0;
171 traverse(((Document )node).getDocumentElement());
172 break;
173 }
174
175 case Node.ELEMENT_NODE: {
177 elements++;
178 NamedNodeMap attrs = node.getAttributes();
179 if (attrs != null) {
180 attributes += attrs.getLength();
181 }
182 NodeList children = node.getChildNodes();
183 if (children != null) {
184 int len = children.getLength();
185 for (int i = 0; i < len; i++) {
186 traverse(children.item(i));
187 }
188 }
189 break;
190 }
191
192 case Node.ENTITY_REFERENCE_NODE: {
194 NodeList children = node.getChildNodes();
195 if (children != null) {
196 int len = children.getLength();
197 for (int i = 0; i < len; i++) {
198 traverse(children.item(i));
199 }
200 }
201 break;
202 }
203
204 case Node.CDATA_SECTION_NODE: {
206 characters += node.getNodeValue().length();
207 break;
208 }
209 case Node.TEXT_NODE: {
210 if (node instanceof TextImpl) {
211 if (((TextImpl)node).isIgnorableWhitespace())
212 ignorableWhitespace += node.getNodeValue().length();
213 else
214 characters += node.getNodeValue().length();
215 } else
216 characters += node.getNodeValue().length();
217 break;
218 }
219 }
220
221 }
223
224 public void printResults(String uri, long time) {
225
226 System.out.print(uri);
228 System.out.print(": ");
229 System.out.print(time);
230 System.out.print(" ms (");
231 System.out.print(elements);
232 System.out.print(" elems, ");
233 System.out.print(attributes);
234 System.out.print(" attrs, ");
235 System.out.print(ignorableWhitespace);
236 System.out.print(" spaces, ");
237 System.out.print(characters);
238 System.out.print(" chars)");
239 System.out.println();
240
241 }
243
247
248 public static void main(String argv[]) {
249
250 Arguments argopt = new Arguments();
251 argopt.setUsage( new String [] {
252 "usage: java dom.DOMCount (options) uri ...",
253 "",
254 "options:",
255 " -p name Specify DOM parser wrapper by name.",
256 " -n | -N Turn on/off namespace [default=on]",
257 " -v | -V Turn on/off validation [default=off]",
258 " -s | -S Turn on/off Schema support [default=on]",
259 " -f | -F Turn on/off Schema full consraint checking [default=off]",
260 " -d | -D Turn on/off deferred DOM [default=on]",
261 " -h This help screen."} );
262
263
264 if (argv.length == 0) {
266 argopt.printUsage();
267 System.exit(1);
268 }
269
270 String parserName = DEFAULT_PARSER_NAME;
272
273 argopt.parseArgumentTokens(argv , new char[] { 'p'} );
274
275 int c;
276 String arg = null;
277 while ( ( arg = argopt.getlistFiles() ) != null ) {
278 outer:
279 while ( (c = argopt.getArguments()) != -1 ){
280 switch (c) {
281 case 'v':
282 setValidation = true;
283 break;
285 case 'V':
286 setValidation = false;
287 break;
289 case 'N':
290 setNameSpaces = false;
291 break;
292 case 'n':
293 setNameSpaces = true;
294 break;
295 case 'p':
296 parserName = argopt.getStringParameter();
298 break;
300 case 'd':
301 setDeferredDOM = true;
302 break;
303 case 'D':
304 setDeferredDOM = false;
305 break;
306 case 's':
307 setSchemaSupport = true;
309 break;
310 case 'S':
311 setSchemaSupport = false;
313 break;
314 case 'f':
315 setSchemaFullSupport = true;
316 break;
317 case 'F':
318 setSchemaFullSupport = false;
319 break;
320 case '?':
321 case 'h':
322 case '-':
323 argopt.printUsage();
324 System.exit(1);
325 break;
326 case -1:
327 break outer;
329 default:
330
331 break;
332 }
333 }
334
335 count(parserName, arg ); }
337
338 }
340 } |
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