|
1 package org.mr.core.util.xml.sax;
2
3 import org.xml.sax.Attributes  ;
4 import org.xml.sax.ContentHandler ;
5 import org.xml.sax.Locator ;
6 import org.xml.sax.SAXException ;
7 import org.xml.sax.ext.LexicalHandler ;
8 import org.xml.sax.helpers.AttributesImpl ;
9
10 import java.io.Serializable ;
11 import java.util.Iterator ;
12 import java.util.LinkedList ;
13
14
59
60
67 public class QueueContentHandler implements ContentHandler , LexicalHandler , Serializable {
68
69 private LinkedList m_q = new LinkedList ();
70
71
74 public void fireInto(ContentHandler i_handler)
75 throws SAXException {
76 Iterator events = m_q.iterator();
77 while (events.hasNext()) {
78 SaxEvent event = (SaxEvent) events.next();
79 event.fire(i_handler);
80
81 }
82 }
83
84 public int getSize(){
85 return m_q.size();
86 }
87
88
91 public void fireInto(QueueContentHandler i_handler) {
92 i_handler.m_q.addAll(m_q);
93 }
94
95
98 public void clear() {
99 m_q.clear();
100 }
101
102 public final boolean hasEvents() {
103 return m_q.size() > 0;
104 }
105
106
112 public void setDocumentLocator(Locator i_locator) {
113 m_q.add(new SetDocumentLocator(i_locator));
114 }
115
116 public void startDocument() throws SAXException {
117 m_q.add(new StartDocument());
118 }
119
120 public void endDocument() throws SAXException {
121 m_q.add(new EndDocument());
122 }
123
124 public void startPrefixMapping(String i_prefix, String i_uri) throws SAXException {
125 m_q.add(new StartPrefixMapping(i_prefix, i_uri));
126 }
127
128 public void endPrefixMapping(String i_prefix) throws SAXException {
129 m_q.add(new EndPrefixMapping(i_prefix));
130 }
131
132 public void startElement(String i_namespaceURI, String i_localName, String i_qName, Attributes i_atts) throws SAXException {
133 m_q.add(new StartElement(i_namespaceURI, i_localName, i_qName, i_atts));
134 }
135
136 public void endElement(String i_namespaceURI, String i_localName, String i_qName) throws SAXException {
137 m_q.add(new EndElement(i_namespaceURI, i_localName, i_qName));
138 }
139
140 public void ignorableWhitespace(char[] i_chars, int i_start, int i_length) throws SAXException {
141 m_q.add(new IgnorableWhitespace(i_chars, i_start, i_length));
142 }
143
144 public void processingInstruction(String i_target, String i_data) throws SAXException {
145 m_q.add(new ProcessingInstruction(i_target, i_data));
146 }
147
148 public void skippedEntity(String i_name) throws SAXException {
149 m_q.add(new SkippedEntity(i_name));
150 }
151
152 public void characters(char[] i_chars, int i_start, int i_length) throws SAXException {
153 m_q.add(new Characters(i_chars, i_start, i_length));
154 }
155
156 public void startDTD(String s, String s1, String s2) throws SAXException {
162 m_q.add(new StartDTD(s, s1, s2));
163 }
164
165 public void endDTD() throws SAXException {
166 m_q.add(new EndDTD());
167 }
168
169 public void startEntity(String s) throws SAXException {
170 m_q.add(new StartEntity(s));
171 }
172
173 public void endEntity(String s) throws SAXException {
174 m_q.add(new EndEntity(s));
175 }
176
177 public void startCDATA() throws SAXException {
178 m_q.add(new StartCDATA());
179 }
180
181 public void endCDATA() throws SAXException {
182 m_q.add(new EndCDATA());
183 }
184
185 public void comment(char[] i_chars, int i, int i1) throws SAXException {
186 m_q.add(new Comment(i_chars, i, i1));
187 }
188
189
195
198 private static interface SaxEvent extends Serializable {
199
200
205 public void fire(ContentHandler i_handler)
206 throws SAXException ;
207 }
208
209 protected static abstract class SaxLexicalEvent implements SaxEvent {
210 public void fire(ContentHandler i_handler)
211 throws SAXException {
212 if (i_handler instanceof LexicalHandler ) {
213 fire((LexicalHandler )i_handler);
214 }
215 }
216
217 public abstract void fire(LexicalHandler i_handler) throws SAXException ;
218 }
219
220 public static class SetDocumentLocator implements SaxEvent {
221 private Locator m_docLocator;
222
223 public SetDocumentLocator(Locator i_docLocator) {
224 m_docLocator = i_docLocator;
225 }
226
227 public void fire(ContentHandler i_handler) throws SAXException {
228 i_handler.setDocumentLocator(m_docLocator);
229 }
230 }
231
232 public static class StartDocument implements SaxEvent {
233 public void fire(ContentHandler i_handler) throws SAXException {
234 i_handler.startDocument();
235 }
236 }
237
238 public static class EndDocument implements SaxEvent {
239 public void fire(ContentHandler i_handler) throws SAXException {
240 i_handler.endDocument();
241 }
242 }
243
244 public static class StartPrefixMapping implements SaxEvent {
245 private String m_prefix;
246 private String m_uri;
247
248 public StartPrefixMapping(String i_prefix, String i_uri) {
249 m_prefix = i_prefix;
250 m_uri = i_uri;
251 }
252
253 public void fire(ContentHandler i_handler) throws SAXException {
254 i_handler.startPrefixMapping(m_prefix, m_uri);
255 }
256 }
257
258 public static class EndPrefixMapping implements SaxEvent {
259 private String m_prefix;
260
261 public EndPrefixMapping(String i_prefix) {
262 m_prefix = i_prefix;
263 }
264
265 public void fire(ContentHandler i_handler) throws SAXException {
266 i_handler.endPrefixMapping(m_prefix);
267 }
268 }
269
270 public static class StartElement implements SaxEvent {
271 private String m_namespaceURI;
272 private String m_localName;
273 private String m_qName;
274 private Attributes m_atts;
275
276 public StartElement(String i_namespaceURI, String i_localName, String i_qName, Attributes i_atts) {
277 m_namespaceURI = i_namespaceURI;
278 m_localName = i_localName;
279 m_qName = i_qName;
280 m_atts = new AttributesImpl (i_atts);
281 }
282
283 public void fire(ContentHandler i_handler) throws SAXException {
284 i_handler.startElement(m_namespaceURI, m_localName, m_qName, m_atts);
285 }
286 }
287
288 public static class EndElement implements SaxEvent {
289 private String m_namespaceURI;
290 private String m_localName;
291 private String m_qName;
292
293 public EndElement(String i_namespaceURI, String i_localName, String i_qName) {
294 m_namespaceURI = i_namespaceURI;
295 m_localName = i_localName;
296 m_qName = i_qName;
297 }
298
299 public void fire(ContentHandler i_handler) throws SAXException {
300 i_handler.endElement(m_namespaceURI, m_localName, m_qName);
301 }
302 }
303
304 public static class IgnorableWhitespace implements SaxEvent {
305 private String m_chars;
306
307 public IgnorableWhitespace(char[] i_chars, int i_start, int i_length) {
308 m_chars = new String (i_chars, i_start, i_length);
309 }
310
311 public void fire(ContentHandler i_handler)
312 throws SAXException {
313 i_handler.ignorableWhitespace(m_chars.toCharArray(), 0, m_chars.length());
314 }
315 }
316
317 public static class ProcessingInstruction implements SaxEvent {
318 private String m_target;
319 private String m_data;
320
321 public ProcessingInstruction(String i_target, String i_data) {
322 m_target = i_target;
323 m_data = i_data;
324 }
325
326 public void fire(ContentHandler i_handler) throws SAXException {
327 i_handler.processingInstruction(m_target, m_data);
328 }
329 }
330
331 public static class SkippedEntity implements SaxEvent {
332 private String m_name;
333
334 public SkippedEntity(String i_name) {
335 m_name = i_name;
336 }
337
338 public void fire(ContentHandler i_handler) throws SAXException {
339 i_handler.skippedEntity(m_name);
340 }
341 }
342
343 public static class Characters implements SaxEvent {
344 private String m_chars;
345
346 public Characters(char[] i_chars, int i_start, int i_length) {
347 m_chars = new String (i_chars, i_start, i_length);
348 }
349
350 public void fire(ContentHandler i_handler)
351 throws SAXException {
352 i_handler.characters(m_chars.toCharArray(), 0, m_chars.length());
353 }
354 }
355
356 public static class Comment extends SaxLexicalEvent {
357 private String m_chars;
358
359 public Comment(char[] i_chars, int i_start, int i_length) {
360 m_chars = new String (i_chars, i_start, i_length);
361 }
362
363 public void fire(LexicalHandler i_handler)
364 throws SAXException {
365 i_handler.comment(m_chars.toCharArray(), 0, m_chars.length());
366 }
367 }
368
369 public static class StartDTD extends SaxLexicalEvent {
370 private String m_name;
371 private String m_publicId;
372 private String m_systemId;
373
374 public StartDTD(String i_name, String i_publicId, String i_systemId) {
375 m_name = i_name;
376 m_publicId = i_publicId;
377 m_systemId = i_systemId;
378 }
379
380 public void fire(LexicalHandler i_handler) throws SAXException {
381 i_handler.startDTD(m_name, m_publicId, m_systemId);
382 }
383 }
384
385 public static class EndDTD extends SaxLexicalEvent {
386 public void fire(LexicalHandler i_handler) throws SAXException {
387 i_handler.endDTD();
388 }
389 }
390
391 public static class StartCDATA extends SaxLexicalEvent {
392 public void fire(LexicalHandler i_handler) throws SAXException {
393 i_handler.startCDATA();
394 }
395 }
396
397 public static class EndCDATA extends SaxLexicalEvent {
398 public void fire(LexicalHandler i_handler) throws SAXException {
399 i_handler.endCDATA();
400 }
401 }
402
403 public static class StartEntity extends SaxLexicalEvent {
404 private String m_name;
405
406 public StartEntity(String i_name) {
407 m_name = i_name;
408 }
409
410 public void fire(LexicalHandler i_handler) throws SAXException {
411 i_handler.startEntity(m_name);
412 }
413 }
414
415 public static class EndEntity extends SaxLexicalEvent {
416 private String m_name;
417
418 public EndEntity(String i_name) {
419 m_name = i_name;
420 }
421
422 public void fire(LexicalHandler i_handler) throws SAXException {
423 i_handler.endEntity(m_name);
424 }
425 }
426
427 }
428 |
Popular Tags |
Java API By Example, From Geeks To Geeks.