Source Code Cross Referenced for XHtmlElementToWikiTranslator.java in  » Wiki-Engine » JSPWiki » com » ecyrd » jspwiki » htmltowiki » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Wiki Engine » JSPWiki » com.ecyrd.jspwiki.htmltowiki 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:            JSPWiki - a JSP-based WikiWiki clone.
003:
004:            Copyright (C) 2001-2007 JSPWiki Development Group
005:
006:            This program is free software; you can redistribute it and/or modify
007:            it under the terms of the GNU Lesser General Public License as published by
008:            the Free Software Foundation; either version 2.1 of the License, or
009:            (at your option) any later version.
010:
011:            This program is distributed in the hope that it will be useful,
012:            but WITHOUT ANY WARRANTY; without even the implied warranty of
013:            MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014:            GNU Lesser General Public License for more details.
015:
016:            You should have received a copy of the GNU Lesser General Public License
017:            along with this program; if not, write to the Free Software
018:            Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019:         */
020:        package com.ecyrd.jspwiki.htmltowiki;
021:
022:        import java.io.ByteArrayInputStream;
023:        import java.io.IOException;
024:        import java.io.PrintWriter;
025:        import java.io.UnsupportedEncodingException;
026:        import java.net.URLDecoder;
027:        import java.util.HashMap;
028:        import java.util.Iterator;
029:        import java.util.LinkedHashMap;
030:        import java.util.Map;
031:
032:        import org.apache.commons.lang.StringEscapeUtils;
033:        import org.jdom.Element;
034:        import org.jdom.Attribute;
035:        import org.jdom.JDOMException;
036:        import org.jdom.Text;
037:        import org.jdom.xpath.XPath;
038:
039:        /**
040:         * Converting XHtml to Wiki Markup
041:         *
042:         * @author Sebastian Baltes (sbaltes@gmx.com)
043:         */
044:        public class XHtmlElementToWikiTranslator {
045:            private static final String UTF8 = "UTF-8";
046:
047:            private XHtmlToWikiConfig m_config;
048:
049:            private WhitespaceTrimWriter m_outTimmer;
050:
051:            private PrintWriter m_out;
052:
053:            private LiStack m_liStack = new LiStack();
054:
055:            private PreStack m_preStack = new PreStack();
056:
057:            public XHtmlElementToWikiTranslator(Element base)
058:                    throws IOException, JDOMException {
059:                this (base, new XHtmlToWikiConfig());
060:            }
061:
062:            public XHtmlElementToWikiTranslator(Element base,
063:                    XHtmlToWikiConfig config) throws IOException, JDOMException {
064:                this .m_config = config;
065:                m_outTimmer = new WhitespaceTrimWriter();
066:                m_out = new PrintWriter(m_outTimmer);
067:                print(base);
068:            }
069:
070:            public String getWikiString() {
071:                return m_outTimmer.toString();
072:            }
073:
074:            private void print(String s) {
075:                s = StringEscapeUtils.unescapeHtml(s);
076:                m_out.print(s);
077:            }
078:
079:            private void print(Object element) throws IOException,
080:                    JDOMException {
081:                if (element instanceof  Text) {
082:                    Text t = (Text) element;
083:                    String s = t.getText();
084:                    if (m_preStack.isPreMode()) {
085:                        m_out.print(s);
086:                    } else {
087:                        // remove all "line terminator" characters
088:                        s = s
089:                                .replaceAll("[\\r\\n\\f\\u0085\\u2028\\u2029]",
090:                                        "");
091:                        m_out.print(s);
092:                    }
093:                } else if (element instanceof  Element) {
094:                    Element base = (Element) element;
095:                    String n = base.getName().toLowerCase();
096:                    if ("imageplugin".equals(base.getAttributeValue("class"))) {
097:                        printImage(base);
098:                    } else if ("wikiform".equals(base
099:                            .getAttributeValue("class"))) {
100:                        // only print the children if the div's class="wikiform", but not the div itself.
101:                        printChildren(base);
102:                    } else {
103:                        boolean bold = false;
104:                        boolean italic = false;
105:                        boolean monospace = false;
106:                        String cssSpecial = null;
107:                        String cssClass = base.getAttributeValue("class");
108:
109:                        // accomodate a FCKeditor bug with Firefox: when a link is removed, it becomes <span class="wikipage">text</span>.
110:                        boolean ignoredCssClass = cssClass != null
111:                                && cssClass
112:                                        .matches("wikipage|createpage|external|interwiki|attachment");
113:
114:                        Map styleProps = null;
115:
116:                        // Only get the styles if it's not a link element. Styles for link elements are
117:                        // handled as an AugmentedWikiLink instead.
118:                        if (!n.equals("a")) {
119:                            styleProps = getStylePropertiesLowerCase(base);
120:                        }
121:
122:                        if (styleProps != null) {
123:                            String fontFamily = (String) styleProps
124:                                    .get("font-family");
125:                            String whiteSpace = (String) styleProps
126:                                    .get("white-space");
127:                            if (fontFamily != null
128:                                    && (fontFamily.indexOf("monospace") >= 0
129:                                            && whiteSpace != null && whiteSpace
130:                                            .indexOf("pre") >= 0)) {
131:                                styleProps.remove("font-family");
132:                                styleProps.remove("white-space");
133:                                monospace = true;
134:                            }
135:
136:                            String weight = (String) styleProps
137:                                    .remove("font-weight");
138:                            String style = (String) styleProps
139:                                    .remove("font-style");
140:
141:                            if (n.equals("p")) {
142:                                // change it so we can print out the css styles for <p>
143:                                n = "div";
144:                            }
145:
146:                            italic = "oblique".equals(style)
147:                                    || "italic".equals(style);
148:                            bold = "bold".equals(weight)
149:                                    || "bolder".equals(weight);
150:                            if (!styleProps.isEmpty()) {
151:                                cssSpecial = propsToStyleString(styleProps);
152:                            }
153:                        }
154:                        if (cssClass != null && !ignoredCssClass) {
155:                            if (n.equals("div")) {
156:                                m_out.print("\n%%" + cssClass + " \n");
157:                            } else if (n.equals("span")) {
158:                                m_out.print("%%" + cssClass + " ");
159:                            }
160:                        }
161:                        if (bold) {
162:                            m_out.print("__");
163:                        }
164:                        if (italic) {
165:                            m_out.print("''");
166:                        }
167:                        if (monospace) {
168:                            m_out.print("{{{");
169:                            m_preStack.push();
170:                        }
171:                        if (cssSpecial != null) {
172:                            if (n.equals("div")) {
173:                                m_out.print("\n%%(" + cssSpecial + " )\n");
174:                            } else {
175:                                m_out.print("%%(" + cssSpecial + " )");
176:                            }
177:                        }
178:                        printChildren(base);
179:                        if (cssSpecial != null) {
180:                            if (n.equals("div")) {
181:                                m_out.print("\n%%\n");
182:                            } else {
183:                                m_out.print("%%");
184:                            }
185:                        }
186:                        if (monospace) {
187:                            m_preStack.pop();
188:                            m_out.print("}}}");
189:                        }
190:                        if (italic) {
191:                            m_out.print("''");
192:                        }
193:                        if (bold) {
194:                            m_out.print("__");
195:                        }
196:                        if (cssClass != null && !ignoredCssClass) {
197:                            if (n.equals("div")) {
198:                                m_out.print("\n%%\n");
199:                            } else if (n.equals("span")) {
200:                                m_out.print("%%");
201:                            }
202:                        }
203:                    }
204:                }
205:            }
206:
207:            private void printChildren(Element base) throws IOException,
208:                    JDOMException {
209:                for (Iterator i = base.getContent().iterator(); i.hasNext();) {
210:                    Object c = i.next();
211:                    if (c instanceof  Element) {
212:                        Element e = (Element) c;
213:                        String n = e.getName().toLowerCase();
214:                        if (n.equals("h1")) {
215:                            m_out.print("\n!!! ");
216:                            print(e);
217:                            m_out.println();
218:                        } else if (n.equals("h2")) {
219:                            m_out.print("\n!!! ");
220:                            print(e);
221:                            m_out.println();
222:                        } else if (n.equals("h3")) {
223:                            m_out.print("\n!! ");
224:                            print(e);
225:                            m_out.println();
226:                        } else if (n.equals("h4")) {
227:                            m_out.print("\n! ");
228:                            print(e);
229:                            m_out.println();
230:                        } else if (n.equals("p")) {
231:                            if (e.getContentSize() != 0) // we don't want to print empty elements: <p></p>
232:                            {
233:                                m_out.println();
234:                                print(e);
235:                                m_out.println();
236:                            }
237:                        } else if (n.equals("br")) {
238:                            if (m_preStack.isPreMode()) {
239:                                m_out.println();
240:                            } else {
241:                                String parentElementName = base.getName()
242:                                        .toLowerCase();
243:
244:                                //
245:                                // To beautify the generated wiki markup, we print a newline character after a linebreak.
246:                                // It's only safe to do this when the parent element is a <p> or <div>; when the parent
247:                                // element is a table cell or list item, a newline character would break the markup.
248:                                // We also check that this isn't being done inside a plugin body.
249:                                //
250:                                if (parentElementName.matches("p|div")
251:                                        && !base.getText().matches(
252:                                                "(?s).*\\[\\{.*\\}\\].*")) {
253:                                    m_out.print(" \\\\\n");
254:                                } else {
255:                                    m_out.print(" \\\\");
256:                                }
257:                            }
258:                            print(e);
259:                        } else if (n.equals("hr")) {
260:                            m_out.println();
261:                            print("----");
262:                            print(e);
263:                            m_out.println();
264:                        } else if (n.equals("table")) {
265:                            if (!m_outTimmer.isCurrentlyOnLineBegin()) {
266:                                m_out.println();
267:                            }
268:                            print(e);
269:                        } else if (n.equals("tr")) {
270:                            print(e);
271:                            m_out.println();
272:                        } else if (n.equals("td")) {
273:                            m_out.print("| ");
274:                            print(e);
275:                            if (!m_preStack.isPreMode()) {
276:                                print(" ");
277:                            }
278:                        } else if (n.equals("th")) {
279:                            m_out.print("|| ");
280:                            print(e);
281:                            if (!m_preStack.isPreMode()) {
282:                                print(" ");
283:                            }
284:                        } else if (n.equals("a")) {
285:                            if (!isIgnorableWikiMarkupLink(e)) {
286:                                if (e.getChild("IMG") != null) {
287:                                    printImage(e);
288:                                } else {
289:                                    String ref = e.getAttributeValue("href");
290:                                    if (ref == null) {
291:                                        if (isUndefinedPageLink(e)) {
292:                                            m_out.print("[");
293:                                            print(e);
294:                                            m_out.print("]");
295:                                        } else {
296:                                            print(e);
297:                                        }
298:                                    } else {
299:                                        ref = trimLink(ref);
300:                                        if (ref != null) {
301:                                            if (ref.startsWith("#")) {
302:                                                print(e);
303:                                            } else {
304:                                                Map augmentedWikiLinkAttributes = getAugmentedWikiLinkAttributes(e);
305:
306:                                                m_out.print("[");
307:                                                print(e);
308:                                                if (!e.getTextTrim()
309:                                                        .equalsIgnoreCase(ref)) {
310:                                                    m_out.print("|");
311:                                                    print(ref);
312:
313:                                                    if (!augmentedWikiLinkAttributes
314:                                                            .isEmpty()) {
315:                                                        m_out.print("|");
316:
317:                                                        String augmentedWikiLink = augmentedWikiLinkMapToString(augmentedWikiLinkAttributes);
318:                                                        m_out
319:                                                                .print(augmentedWikiLink);
320:                                                    }
321:                                                } else if (!augmentedWikiLinkAttributes
322:                                                        .isEmpty()) {
323:                                                    // If the ref has the same value as the text and also if there
324:                                                    // are attributes, then just print: [ref|ref|attributes] .
325:                                                    m_out
326:                                                            .print("|" + ref
327:                                                                    + "|");
328:                                                    String augmentedWikiLink = augmentedWikiLinkMapToString(augmentedWikiLinkAttributes);
329:                                                    m_out
330:                                                            .print(augmentedWikiLink);
331:                                                }
332:
333:                                                m_out.print("]");
334:                                            }
335:                                        }
336:                                    }
337:                                }
338:                            }
339:                        } else if (n.equals("b") || n.equals("strong")) {
340:                            m_out.print("__");
341:                            print(e);
342:                            m_out.print("__");
343:                        } else if (n.equals("i") || n.equals("em")
344:                                || n.equals("address")) {
345:                            m_out.print("''");
346:                            print(e);
347:                            m_out.print("''");
348:                        } else if (n.equals("u")) {
349:                            m_out.print("%%( text-decoration:underline; )");
350:                            print(e);
351:                            m_out.print("%%");
352:                        } else if (n.equals("strike")) {
353:                            m_out.print("%%strike ");
354:                            print(e);
355:                            m_out.print("%%");
356:                            // NOTE: don't print a space before or after the double percents because that can break words into two.
357:                            // For example: %%(color:red)ABC%%%%(color:green)DEF%% is different from %%(color:red)ABC%% %%(color:green)DEF%%
358:                        } else if (n.equals("sup")) {
359:                            m_out.print("%%sup ");
360:                            print(e);
361:                            m_out.print("%%");
362:                        } else if (n.equals("sub")) {
363:                            m_out.print("%%sub ");
364:                            print(e);
365:                            m_out.print("%%");
366:                        } else if (n.equals("dl")) {
367:                            m_out.print("\n");
368:                            print(e);
369:
370:                            // print a newline after the definition list. If we don't,
371:                            // it may cause problems for the subsequent element.
372:                            m_out.print("\n");
373:                        } else if (n.equals("dt")) {
374:                            m_out.print(";");
375:                            print(e);
376:                        } else if (n.equals("dd")) {
377:                            m_out.print(":");
378:                            print(e);
379:                        } else if (n.equals("ul")) {
380:                            m_out.println();
381:                            m_liStack.push("*");
382:                            print(e);
383:                            m_liStack.pop();
384:                        } else if (n.equals("ol")) {
385:                            m_out.println();
386:                            m_liStack.push("#");
387:                            print(e);
388:                            m_liStack.pop();
389:                        } else if (n.equals("li")) {
390:                            m_out.print(m_liStack + " ");
391:                            print(e);
392:
393:                            // The following line assumes that the XHTML has been "pretty-printed"
394:                            // (newlines separate child elements from their parents).
395:                            boolean lastListItem = base.indexOf(e) == (base
396:                                    .getContentSize() - 2);
397:                            boolean sublistItem = m_liStack.toString().length() > 1;
398:
399:                            // only print a newline if this <li> element is not the last item within a sublist.
400:                            if (!sublistItem || !lastListItem) {
401:                                m_out.println();
402:                            }
403:                        } else if (n.equals("pre")) {
404:                            m_out.print("\n{{{\n"); // start JSPWiki "code blocks" on its own line
405:                            m_preStack.push();
406:                            print(e);
407:                            m_preStack.pop();
408:
409:                            // print a newline before the closing braces for aesthetics and a newline after it
410:                            // to avoid breaking any subsequent wiki markup that follows.
411:                            m_out.print("\n}}}\n");
412:                        } else if (n.equals("code") || n.equals("tt")) {
413:                            m_out.print("{{");
414:                            m_preStack.push();
415:                            print(e);
416:                            m_preStack.pop();
417:                            m_out.print("}}");
418:                            // NOTE: don't print a newline after the closing brackets because if the Text is inside
419:                            // a table or list, it would break it if there was a subsequent row or list item.
420:                        } else if (n.equals("img")) {
421:                            if (!isIgnorableWikiMarkupLink(e)) {
422:                                m_out.print("[");
423:                                print(trimLink(e.getAttributeValue("src")));
424:                                m_out.print("]");
425:                            }
426:                        } else if (n.equals("form")) {
427:                            // remove the hidden input where name="formname" since a new one will be generated again when the xhtml is rendered.
428:                            Element formName = (Element) XPath
429:                                    .selectSingleNode(e,
430:                                            "INPUT[@name='formname']");
431:                            if (formName != null) {
432:                                formName.detach();
433:                            }
434:
435:                            String name = e.getAttributeValue("name");
436:
437:                            m_out.print("\n[{FormOpen");
438:
439:                            if (name != null) {
440:                                m_out.print(" form='" + name + "'");
441:                            }
442:
443:                            m_out.print("}]\n");
444:
445:                            print(e);
446:                            m_out.print("\n[{FormClose}]\n");
447:                        } else if (n.equals("input")) {
448:                            String type = e.getAttributeValue("type");
449:                            String name = e.getAttributeValue("name");
450:                            String value = e.getAttributeValue("value");
451:                            String checked = e.getAttributeValue("checked");
452:
453:                            m_out.print("[{FormInput");
454:
455:                            if (type != null) {
456:                                m_out.print(" type='" + type + "'");
457:                            }
458:                            if (name != null) {
459:                                // remove the "nbf_" that was prepended since new one will be generated again when the xhtml is rendered.
460:                                if (name.startsWith("nbf_")) {
461:                                    name = name.substring(4, name.length());
462:                                }
463:                                m_out.print(" name='" + name + "'");
464:                            }
465:                            if (value != null && !value.equals("")) {
466:                                m_out.print(" value='" + value + "'");
467:                            }
468:                            if (checked != null) {
469:                                m_out.print(" checked='" + checked + "'");
470:                            }
471:
472:                            m_out.print("}]");
473:
474:                            print(e);
475:                        } else if (n.equals("textarea")) {
476:                            String name = e.getAttributeValue("name");
477:                            String rows = e.getAttributeValue("rows");
478:                            String cols = e.getAttributeValue("cols");
479:
480:                            m_out.print("[{FormTextarea");
481:
482:                            if (name != null) {
483:                                if (name.startsWith("nbf_")) {
484:                                    name = name.substring(4, name.length());
485:                                }
486:                                m_out.print(" name='" + name + "'");
487:                            }
488:                            if (rows != null) {
489:                                m_out.print(" rows='" + rows + "'");
490:                            }
491:                            if (cols != null) {
492:                                m_out.print(" cols='" + cols + "'");
493:                            }
494:
495:                            m_out.print("}]");
496:                            print(e);
497:                        } else if (n.equals("select")) {
498:                            String name = e.getAttributeValue("name");
499:
500:                            m_out.print("[{FormSelect");
501:
502:                            if (name != null) {
503:                                if (name.startsWith("nbf_")) {
504:                                    name = name.substring(4, name.length());
505:                                }
506:                                m_out.print(" name='" + name + "'");
507:                            }
508:
509:                            m_out.print(" value='");
510:                            print(e);
511:                            m_out.print("'}]");
512:                        } else if (n.equals("option")) {
513:                            // If this <option> element isn't the second child element within the parent <select>
514:                            // element, then we need to print a semicolon as a separator. (The first child element
515:                            // is expected to be a newline character which is at index of 0).
516:                            if (base.indexOf(e) != 1) {
517:                                m_out.print(";");
518:                            }
519:
520:                            Attribute selected = e.getAttribute("selected");
521:                            if (selected != null) {
522:                                m_out.print("*");
523:                            }
524:
525:                            String value = e.getAttributeValue("value");
526:                            if (value != null) {
527:                                m_out.print(value);
528:                            } else {
529:                                print(e);
530:                            }
531:                        } else {
532:                            print(e);
533:                        }
534:                    } else {
535:                        print(c);
536:                    }
537:                }
538:            }
539:
540:            private void printImage(Element base) throws JDOMException {
541:                Element child = (Element) XPath.selectSingleNode(base,
542:                        "TBODY/TR/TD/*");
543:                if (child == null) {
544:                    child = base;
545:                }
546:                Element img;
547:                String href;
548:                Map map = new ForgetNullValuesLinkedHashMap();
549:                if (child.getName().equals("A")) {
550:                    img = child.getChild("IMG");
551:                    href = child.getAttributeValue("href");
552:                } else {
553:                    img = child;
554:                    href = null;
555:                }
556:                if (img == null) {
557:                    return;
558:                }
559:                String src = trimLink(img.getAttributeValue("src"));
560:                if (src == null) {
561:                    return;
562:                }
563:                map.put("align", base.getAttributeValue("align"));
564:                map.put("height", img.getAttributeValue("height"));
565:                map.put("width", img.getAttributeValue("width"));
566:                map.put("alt", img.getAttributeValue("alt"));
567:                map.put("caption", emptyToNull(XPath.newInstance("CAPTION")
568:                        .valueOf(base)));
569:                map.put("link", href);
570:                map.put("border", img.getAttributeValue("border"));
571:                map.put("style", base.getAttributeValue("style"));
572:                if (map.size() > 0) {
573:                    m_out.print("[{Image src='" + src + "'");
574:                    for (Iterator i = map.entrySet().iterator(); i.hasNext();) {
575:                        Map.Entry entry = (Map.Entry) i.next();
576:                        if (!entry.getValue().equals("")) {
577:                            m_out.print(" " + entry.getKey() + "='"
578:                                    + entry.getValue() + "'");
579:                        }
580:                    }
581:                    m_out.print("}]");
582:                } else {
583:                    m_out.print("[" + src + "]");
584:                }
585:            }
586:
587:            private String emptyToNull(String s) {
588:                return s == null ? null
589:                        : (s.replaceAll("\\s", "").length() == 0 ? null : s);
590:            }
591:
592:            private String propsToStyleString(Map styleProps) {
593:                StringBuffer style = new StringBuffer();
594:                for (Iterator i = styleProps.entrySet().iterator(); i.hasNext();) {
595:                    Map.Entry entry = (Map.Entry) i.next();
596:                    style.append(" ").append(entry.getKey()).append(": ")
597:                            .append(entry.getValue()).append(";");
598:                }
599:                return style.toString();
600:            }
601:
602:            private boolean isIgnorableWikiMarkupLink(Element a) {
603:                String ref = a.getAttributeValue("href");
604:                String clazz = a.getAttributeValue("class");
605:                return (ref != null && ref
606:                        .startsWith(m_config.getPageInfoJsp()))
607:                        || (clazz != null && clazz.trim().equalsIgnoreCase(
608:                                m_config.getOutlink()));
609:            }
610:
611:            /**
612:             * Checks if the link points to an undefined page.
613:             */
614:            private boolean isUndefinedPageLink(Element a) {
615:                String classVal = a.getAttributeValue("class");
616:
617:                return classVal != null && classVal.equals("createpage");
618:            }
619:
620:            /**
621:             *  Returns a Map containing the valid augmented wiki link attributes.
622:             */
623:            private Map getAugmentedWikiLinkAttributes(Element a) {
624:                Map attributesMap = new HashMap();
625:
626:                String id = a.getAttributeValue("id");
627:                if (id != null && !id.equals("")) {
628:                    attributesMap.put("id", id.replaceAll("'", "\""));
629:                }
630:
631:                String cssClass = a.getAttributeValue("class");
632:                if (cssClass != null
633:                        && !cssClass.equals("")
634:                        && !cssClass
635:                                .matches("wikipage|createpage|external|interwiki|attachment")) {
636:                    attributesMap.put("class", cssClass.replaceAll("'", "\""));
637:                }
638:
639:                String style = a.getAttributeValue("style");
640:                if (style != null && !style.equals("")) {
641:                    attributesMap.put("style", style.replaceAll("'", "\""));
642:                }
643:
644:                String title = a.getAttributeValue("title");
645:                if (title != null && !title.equals("")) {
646:                    attributesMap.put("title", title.replaceAll("'", "\""));
647:                }
648:
649:                String lang = a.getAttributeValue("lang");
650:                if (lang != null && !lang.equals("")) {
651:                    attributesMap.put("lang", lang.replaceAll("'", "\""));
652:                }
653:
654:                String dir = a.getAttributeValue("dir");
655:                if (dir != null && !dir.equals("")) {
656:                    attributesMap.put("dir", dir.replaceAll("'", "\""));
657:                }
658:
659:                String charset = a.getAttributeValue("charset");
660:                if (charset != null && !charset.equals("")) {
661:                    attributesMap.put("charset", charset.replaceAll("'", "\""));
662:                }
663:
664:                String type = a.getAttributeValue("type");
665:                if (type != null && !type.equals("")) {
666:                    attributesMap.put("type", type.replaceAll("'", "\""));
667:                }
668:
669:                String hreflang = a.getAttributeValue("hreflang");
670:                if (hreflang != null && !hreflang.equals("")) {
671:                    attributesMap.put("hreflang", hreflang
672:                            .replaceAll("'", "\""));
673:                }
674:
675:                String rel = a.getAttributeValue("rel");
676:                if (rel != null && !rel.equals("")) {
677:                    attributesMap.put("rel", rel.replaceAll("'", "\""));
678:                }
679:
680:                String rev = a.getAttributeValue("rev");
681:                if (rev != null && !rev.equals("")) {
682:                    attributesMap.put("rev", rev.replaceAll("'", "\""));
683:                }
684:
685:                String accesskey = a.getAttributeValue("accesskey");
686:                if (accesskey != null && !accesskey.equals("")) {
687:                    attributesMap.put("accesskey", accesskey.replaceAll("'",
688:                            "\""));
689:                }
690:
691:                String tabindex = a.getAttributeValue("tabindex");
692:                if (tabindex != null && !tabindex.equals("")) {
693:                    attributesMap.put("tabindex", tabindex
694:                            .replaceAll("'", "\""));
695:                }
696:
697:                String target = a.getAttributeValue("target");
698:                if (target != null && !target.equals("")) {
699:                    attributesMap.put("target", target.replaceAll("'", "\""));
700:                }
701:
702:                return attributesMap;
703:            }
704:
705:            /**
706:             * Converts the entries in the map to a string for use in a wiki link.
707:             */
708:            private String augmentedWikiLinkMapToString(Map attributesMap) {
709:                StringBuffer sb = new StringBuffer();
710:
711:                for (Iterator itr = attributesMap.entrySet().iterator(); itr
712:                        .hasNext();) {
713:                    Map.Entry entry = (Map.Entry) itr.next();
714:                    String attributeName = (String) entry.getKey();
715:                    String attributeValue = (String) entry.getValue();
716:
717:                    sb
718:                            .append(" " + attributeName + "='" + attributeValue
719:                                    + "'");
720:                }
721:
722:                return sb.toString().trim();
723:            }
724:
725:            private Map getStylePropertiesLowerCase(Element base)
726:                    throws IOException {
727:                String n = base.getName().toLowerCase();
728:
729:                //"font-weight: bold; font-style: italic;"
730:                String style = base.getAttributeValue("style");
731:                if (style == null) {
732:                    style = "";
733:                }
734:
735:                if (n.equals("p") || n.equals("div")) {
736:                    String align = base.getAttributeValue("align");
737:                    if (align != null) {
738:                        // only add the value of the align attribute if the text-align style didn't already exist.
739:                        if (style.indexOf("text-align") == -1) {
740:                            style = style + ";text-align:" + align + ";";
741:                        }
742:                    }
743:                }
744:
745:                if (n.equals("font")) {
746:                    String color = base.getAttributeValue("color");
747:                    String face = base.getAttributeValue("face");
748:                    String size = base.getAttributeValue("size");
749:                    if (color != null) {
750:                        style = style + "color:" + color + ";";
751:                    }
752:                    if (face != null) {
753:                        style = style + "font-family:" + face + ";";
754:                    }
755:                    if (size != null) {
756:                        if (size.equals("1")) {
757:                            style = style + "font-size:xx-small;";
758:                        } else if (size.equals("2")) {
759:                            style = style + "font-size:x-small;";
760:                        } else if (size.equals("3")) {
761:                            style = style + "font-size:small;";
762:                        } else if (size.equals("4")) {
763:                            style = style + "font-size:medium;";
764:                        } else if (size.equals("5")) {
765:                            style = style + "font-size:large;";
766:                        } else if (size.equals("6")) {
767:                            style = style + "font-size:x-large;";
768:                        } else if (size.equals("7")) {
769:                            style = style + "font-size:xx-large;";
770:                        }
771:                    }
772:                }
773:
774:                if (style.equals("")) {
775:                    return null;
776:                }
777:
778:                style = style.replace(';', '\n').toLowerCase();
779:                LinkedHashMap m = new LinkedHashMap();
780:                new PersistentMapDecorator(m).load(new ByteArrayInputStream(
781:                        style.getBytes()));
782:                return m;
783:            }
784:
785:            private String trimLink(String ref) {
786:                if (ref == null) {
787:                    return null;
788:                }
789:                try {
790:                    ref = URLDecoder.decode(ref, UTF8);
791:                    ref = ref.trim();
792:                    if (ref.startsWith(m_config.getAttachPage())) {
793:                        ref = ref.substring(m_config.getAttachPage().length());
794:                    }
795:                    if (ref.startsWith(m_config.getWikiJspPage())) {
796:                        ref = ref.substring(m_config.getWikiJspPage().length());
797:
798:                        // Handle links with section anchors.
799:                        // For example, we need to translate the html string "TargetPage#section-TargetPage-Heading2"
800:                        // to this wiki string "TargetPage#Heading2".
801:                        ref = ref.replaceFirst(".+#section-(.+)-(.+)", "$1#$2");
802:                    }
803:                    if (ref.startsWith(m_config.getEditJspPage())) {
804:                        ref = ref.substring(m_config.getEditJspPage().length());
805:                    }
806:                    if (m_config.getPageName() != null) {
807:                        if (ref.startsWith(m_config.getPageName())) {
808:                            ref = ref
809:                                    .substring(m_config.getPageName().length());
810:                        }
811:                    }
812:                } catch (UnsupportedEncodingException e) {
813:                    // Shouldn't happen...
814:                }
815:                return ref;
816:            }
817:
818:            // FIXME: These should probably be better used with java.util.Stack
819:
820:            static class LiStack {
821:
822:                private StringBuffer m_li = new StringBuffer();
823:
824:                public void push(String c) {
825:                    m_li.append(c);
826:                }
827:
828:                public void pop() {
829:                    m_li = m_li.deleteCharAt(m_li.length() - 1);
830:                    // m_li = m_li.substring( 0, m_li.length() - 1 );
831:                }
832:
833:                public String toString() {
834:                    return m_li.toString();
835:                }
836:
837:            }
838:
839:            class PreStack {
840:
841:                private int m_pre = 0;
842:
843:                public boolean isPreMode() {
844:                    return m_pre > 0;
845:                }
846:
847:                public void push() {
848:                    m_pre++;
849:                    m_outTimmer.setWhitespaceTrimMode(!isPreMode());
850:                }
851:
852:                public void pop() {
853:                    m_pre--;
854:                    m_outTimmer.setWhitespaceTrimMode(!isPreMode());
855:                }
856:
857:            }
858:
859:        }
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