"); final static AbstractTag HTML_PRE_CLOSE = new CloseTagToken(TokenHTML_PRE_CLOSE, "pre", ""); final static AbstractTag HTML_PRE_OPEN = new OpenTagToken(TokenHTML_PRE_OPEN, "pre", "
"); final static AbstractTag HTML_BLOCKQUOTE_CLOSE = new CloseTagToken(TokenHTML_BLOCKQUOTE_CLOSE, "blockquote", ""); final static AbstractTag HTML_BLOCKQUOTE_OPEN = new OpenTagToken(TokenHTML_BLOCKQUOTE_OPEN, "blockquote", ""); final static AbstractTag HTML_STRIKE_CLOSE = new CloseTagToken(TokenHTML_STRIKE_CLOSE, "strike", ""); final static AbstractTag HTML_STRIKE_OPEN = new OpenTagToken(TokenHTML_STRIKE_OPEN, "strike", ""); final static AbstractTag HTML_STRONG_CLOSE = new CloseTagToken(TokenHTML_STRONG_CLOSE, "strong", ""); final static AbstractTag HTML_STRONG_OPEN = new OpenTagToken(TokenHTML_STRONG_OPEN, "strong", ""); final static AbstractTag HTML_UNDERLINE_CLOSE = new CloseTagToken(TokenHTML_UNDERLINE_CLOSE, "u", ""); final static AbstractTag HTML_UNDERLINE_OPEN = new OpenTagToken(TokenHTML_UNDERLINE_OPEN, "u", ""); final static AbstractTag HTML_SUB_CLOSE = new CloseTagToken(TokenHTML_SUB_CLOSE, "sub", ""); final static AbstractTag HTML_SUB_OPEN = new OpenTagToken(TokenHTML_SUB_OPEN, "sub", ""); final static AbstractTag HTML_SUP_CLOSE = new CloseTagToken(TokenHTML_SUP_CLOSE, "sup", ""); final static AbstractTag HTML_SUP_OPEN = new OpenTagToken(TokenHTML_SUP_OPEN, "sup", ""); final static AbstractTag HTML_CENTER_OPEN = new OpenTagToken(TokenHTML_CENTER_OPEN, "center", ""); final static AbstractTag HTML_CENTER_CLOSE = new CloseTagToken(TokenHTML_CENTER_CLOSE, "center", " "); final static AbstractTag HTML_TT_OPEN = new OpenTagToken(TokenHTML_TT_OPEN, "tt", ""); final static AbstractTag HTML_TT_CLOSE = new CloseTagToken(TokenHTML_TT_CLOSE, "tt", ""); final static AbstractTag HTML_MATH_OPEN = new OpenTagToken(TokenHTML_MATH_OPEN, "math", ""); final static AbstractTag HTML_TABLE_OPEN = new TableTag(TokenHTML_TABLE_OPEN, "table", ""); final static AbstractTag HTML_TABLE_CLOSE = new CloseTagToken(TokenHTML_TABLE_CLOSE, "table", "
"); final static AbstractTag HTML_CAPTION_OPEN = new OpenTagToken(TokenHTML_CAPTION_OPEN, "caption", ""); final static AbstractTag HTML_CAPTION_CLOSE = new CloseTagToken(TokenHTML_CAPTION_CLOSE, "caption", " "); final static AbstractTag HTML_TH_OPEN = new OpenTagToken(TokenHTML_TH_OPEN, "th", ""); final static AbstractTag HTML_TH_CLOSE = new CloseTagToken(TokenHTML_TH_CLOSE, "th", " "); final static AbstractTag HTML_TR_OPEN = new OpenTagToken(TokenHTML_TR_OPEN, "tr", ""); final static AbstractTag HTML_TR_CLOSE = new CloseTagToken(TokenHTML_TR_CLOSE, "tr", " "); final static AbstractTag HTML_TD_OPEN = new OpenTagToken(TokenHTML_TD_OPEN, "td", ""); final static AbstractTag HTML_TD_CLOSE = new CloseTagToken(TokenHTML_TD_CLOSE, "td", " "); final static AbstractTag HTML_FONT_OPEN = new FontTag(TokenHTML_FONT_OPEN, "font", ""); final static AbstractTag HTML_FONT_CLOSE = new CloseTagToken(TokenHTML_FONT_CLOSE, "font", ""); final static AbstractTag HTML_DIV_OPEN = new DivTag(TokenHTML_DIV_OPEN, "div", ""); final static AbstractTag HTML_DIV_CLOSE = new CloseTagToken(TokenHTML_DIV_CLOSE, "div", ""); final static AbstractTag LIST_OL_START = new AbstractTag(TokenLIST_OL_START); final static AbstractTag LIST_UL_START = new AbstractTag(TokenLIST_UL_START); final static AbstractTag HTML_VAR_OPEN = new OpenTagToken(TokenHTML_VAR_OPEN, "var", ""); final static AbstractTag HTML_VAR_CLOSE = new CloseTagToken(TokenHTML_VAR_CLOSE, "var", ""); final static AbstractTag HTML_CODE_OPEN = new OpenTagToken(TokenHTML_CODE_OPEN, "code", ""); final static AbstractTag HTML_CODE_CLOSE = new CloseTagToken(TokenHTML_CODE_CLOSE, "code", ""); // strikethrough final static AbstractTag HTML_S_OPEN = new OpenTagToken(TokenHTML_S_OPEN, "s", ""); final static AbstractTag HTML_S_CLOSE = new CloseTagToken(TokenHTML_S_CLOSE, "s", ""); // small final static AbstractTag HTML_SMALL_OPEN = new OpenTagToken(TokenHTML_SMALL_OPEN, "small", ""); final static AbstractTag HTML_SMALL_CLOSE = new CloseTagToken(TokenHTML_SMALL_CLOSE, "small", ""); final static HashMap OPEN_TAGS = new HashMap(); final static HashMap CLOSE_TAGS = new HashMap(); final static HashSet ENTITY_SET = new HashSet(); final static HashMap IMAGE_MAP = new HashMap(); // private static Log log = LogFactory.getLog(WikipediaFilter.class); { for (int i = 0; i < ENTITY_STRINGS.length; i++) { ENTITY_SET.add(ENTITY_STRINGS[i]); } for (int i = 0; i < IMAGE_STRINGS.length; i += 2) { IMAGE_MAP.put(IMAGE_STRINGS[i], IMAGE_STRINGS[i + 1]); } OPEN_TAGS.put("br", HTML_BR_OPEN); OPEN_TAGS.put("hr", HTML_HR_OPEN); OPEN_TAGS.put("h1", HTML_H1_OPEN); OPEN_TAGS.put("h2", HTML_H2_OPEN); OPEN_TAGS.put("h3", HTML_H3_OPEN); OPEN_TAGS.put("h4", HTML_H4_OPEN); OPEN_TAGS.put("h5", HTML_H5_OPEN); OPEN_TAGS.put("h6", HTML_H6_OPEN); CLOSE_TAGS.put("h1", HTML_H1_CLOSE); CLOSE_TAGS.put("h2", HTML_H2_CLOSE); CLOSE_TAGS.put("h3", HTML_H1_CLOSE); CLOSE_TAGS.put("h4", HTML_H2_CLOSE); CLOSE_TAGS.put("h5", HTML_H1_CLOSE); CLOSE_TAGS.put("h6", HTML_H2_CLOSE); OPEN_TAGS.put("em", HTML_EM_OPEN); CLOSE_TAGS.put("em", HTML_EM_CLOSE); OPEN_TAGS.put("i", HTML_ITALIC_OPEN); CLOSE_TAGS.put("i", HTML_ITALIC_CLOSE); OPEN_TAGS.put("b", HTML_BOLD_OPEN); CLOSE_TAGS.put("b", HTML_BOLD_CLOSE); OPEN_TAGS.put("strong", HTML_STRONG_OPEN); CLOSE_TAGS.put("strong", HTML_STRONG_CLOSE); OPEN_TAGS.put("u", HTML_UNDERLINE_OPEN); CLOSE_TAGS.put("u", HTML_UNDERLINE_CLOSE); OPEN_TAGS.put("p", HTML_PARAGRAPH_OPEN); CLOSE_TAGS.put("p", HTML_PARAGRAPH_CLOSE); OPEN_TAGS.put("pre", HTML_PRE_OPEN); CLOSE_TAGS.put("pre", HTML_PRE_CLOSE); OPEN_TAGS.put("blockquote", HTML_BLOCKQUOTE_OPEN); CLOSE_TAGS.put("blockquote", HTML_BLOCKQUOTE_CLOSE); OPEN_TAGS.put("var", HTML_VAR_OPEN); CLOSE_TAGS.put("var", HTML_VAR_CLOSE); OPEN_TAGS.put("code", HTML_CODE_OPEN); CLOSE_TAGS.put("code", HTML_CODE_CLOSE); OPEN_TAGS.put("s", HTML_S_OPEN); CLOSE_TAGS.put("s", HTML_S_CLOSE); OPEN_TAGS.put("small", HTML_SMALL_OPEN); CLOSE_TAGS.put("small", HTML_SMALL_CLOSE); OPEN_TAGS.put("sub", HTML_SUB_OPEN); CLOSE_TAGS.put("sub", HTML_SUB_CLOSE); OPEN_TAGS.put("sup", HTML_SUP_OPEN); CLOSE_TAGS.put("sup", HTML_SUP_CLOSE); OPEN_TAGS.put("strike", HTML_STRIKE_OPEN); CLOSE_TAGS.put("strike", HTML_STRIKE_CLOSE); OPEN_TAGS.put("math", HTML_MATH_OPEN); CLOSE_TAGS.put("math", HTML_MATH_CLOSE); OPEN_TAGS.put("table", HTML_TABLE_OPEN); CLOSE_TAGS.put("table", HTML_TABLE_CLOSE); OPEN_TAGS.put("th", HTML_TH_OPEN); CLOSE_TAGS.put("th", HTML_TH_CLOSE); OPEN_TAGS.put("tr", HTML_TR_OPEN); CLOSE_TAGS.put("tr", HTML_TR_CLOSE); OPEN_TAGS.put("td", HTML_TD_OPEN); CLOSE_TAGS.put("td", HTML_TD_CLOSE); OPEN_TAGS.put("caption", HTML_CAPTION_OPEN); CLOSE_TAGS.put("caption", HTML_CAPTION_CLOSE); OPEN_TAGS.put("font", HTML_FONT_OPEN); CLOSE_TAGS.put("font", HTML_FONT_CLOSE); OPEN_TAGS.put("center", HTML_CENTER_OPEN); CLOSE_TAGS.put("center", HTML_CENTER_CLOSE); OPEN_TAGS.put("tt", HTML_TT_OPEN); CLOSE_TAGS.put("tt", HTML_TT_CLOSE); OPEN_TAGS.put("div", HTML_DIV_OPEN); CLOSE_TAGS.put("div", HTML_DIV_CLOSE); } /** * Limits the recursive call of this filter to a depth of RECURSION_LIMIT */ final static int RECURSION_LIMIT = 5; final static AbstractTag START = new AbstractTag(TokenSTART); final static AbstractTag STRIKETHROUGH = new AbstractTag(TokenSTRIKETHROUGH); /** * Determines if the specified character may be part of a url */ public final static boolean isUrlIdentifierPart(char ch) { if (Character.isLetterOrDigit(ch)) { return true; } final String test = "-_.!~*';/?:@#&=+$,"; return test.indexOf(ch) != (-1); } /** * Determines if the specified character may be part of a wiki plugin identifier as other than the first character */ public final static boolean isWikiPluginIdentifierPart(char ch) { return Character.isLetterOrDigit(ch) || (ch == '_'); } /** * Determines if the specified character may be part the first character of a wiki plugin identifier */ public final static boolean isWikiPluginIdentifierStart(char ch) { return Character.isLetter(ch); } public static boolean createStaticImage(String imageTag, StringBuffer buff) { String value = (String) IMAGE_MAP.get(imageTag); if (value != null) { buff.append(MessageFormat.format(value, ARGUMENTS)); return true; } return false; } // private MacroRepository macros; public WikipediaFilter() { super(); } public String filter(String input, FilterContext context) { return filter(input, context, MacroRepository.getInstance(), 0); } public String filter( String input, FilterContext context, MacroRepository macros, int recursionLevel) { try { if (++recursionLevel > RECURSION_LIMIT) { String error = "Error - recursion limit exceeded."; return error; } StringBuffer result = new StringBuffer(input.length() + input.length() / 10); if (input.startsWith("#html")) { // ignore first line int index = input.indexOf('\n'); if (index != (-1)) { // Configuration fUser = Application.get().getUser(); // if (fUser.isAdmin()) { // admins are allowed to insert full html directly String subst = input.substring(index + 1); // for page preview: return subst; // } } } // instantiate inner Parser class WikipediaParser parser = new WikipediaParser(macros, input, result, context, recursionLevel); parser.parse(); return result.toString(); // Util.substitute(matcher, p, new Perl5Substitution(s, interps), result, limit); } catch (Exception e) { //log.warn("Exception: " + this + ": " + e); // log.warn("Exception for: " + " " + e); e.printStackTrace(); } catch (Error err) { //log.warn("Error: " + this + ": " + err); // log.warn("Error for: "); err.printStackTrace(); } String error = "Error in Parser."; return error; } public static String filterParser( String input, FilterContext context, MacroRepository macros, int recursionLevel) { try { if (++recursionLevel > RECURSION_LIMIT) { return "Error - recursion limit exceeded."; } StringBuffer result = new StringBuffer(input.length() + input.length() / 10); // instantiate inner Parser class WikipediaParser parser = new WikipediaParser(macros, input, result, context, recursionLevel); parser.parse(); return result.toString(); // Util.substitute(matcher, p, new Perl5Substitution(s, interps), result, limit); } catch (Exception e) { //log.warn("Exception: " + this + ": " + e); // log.warn("Exception for: " + " " + e); e.printStackTrace(); } catch (Error err) { //log.warn("Error: " + this + ": " + err); // log.warn("Error for: "); err.printStackTrace(); } return "Error in Parser."; } // private void filterParams(StringBuffer buffer, String name) { // Map param = fContext.getRenderContext().getParameters(); // if (param != null) { // if (param.containsKey(name)) { // Object value = param.get(name); // if (value instanceof String[]) { // buffer.append(((String[]) value)[0]); // } else { // buffer.append(value); // } // } else { // buffer.append("<"); // buffer.append(name); // buffer.append(">"); // } // } else { // buffer.append("<"); // buffer.append(name); // buffer.append(">"); // } // } // public String parseParameters(String unsplittedMacroParameters) { // int currPos = 0; // int currEndPos = 0; // int len = unsplittedMacroParameters.length(); // StringBuffer buffer = new StringBuffer(len); // char ch; // while (currPos < len) { // ch = unsplittedMacroParameters.charAt(currPos++); // if (ch != '$') { // buffer.append(ch); // } else { // if ((currEndPos = unsplittedMacroParameters.indexOf('|', currPos)) >= 1) { // filterParams(buffer, unsplittedMacroParameters.substring(currPos, currEndPos)); // currPos = currEndPos + 1; // buffer.append('|'); // } else { // if (currPos < len) { // filterParams(buffer, unsplittedMacroParameters.substring(currPos, len)); // } // } // } // } // return buffer.toString(); // } // protected Repository getMacroRepository() { // return macros; // } // public void setInitialContext(InitialRenderContext context) { // macros = MacroRepository.getInstance(); // macros.setInitialContext(context); // } public static void copyWhite(StringBuffer result, String text) { final int len = text.length(); int currentIndex = 0; int lastIndex = currentIndex; while (currentIndex < len) { switch (text.charAt(currentIndex++)) { case '<' : // special html escape character if (lastIndex < (currentIndex - 1)) { result.append(text.substring(lastIndex, currentIndex - 1)); lastIndex = currentIndex; } else { lastIndex++; } result.append("<"); break; case '>' : // special html escape character if (lastIndex < (currentIndex - 1)) { result.append(text.substring(lastIndex, currentIndex - 1)); lastIndex = currentIndex; } else { lastIndex++; } result.append(">"); break; case '&' : // special html escape character if (lastIndex < (currentIndex - 1)) { result.append(text.substring(lastIndex, currentIndex - 1)); lastIndex = currentIndex; } else { lastIndex++; } result.append("&"); break; case '\'' : // special html escape character if (lastIndex < (currentIndex - 1)) { result.append(text.substring(lastIndex, currentIndex - 1)); lastIndex = currentIndex; } else { lastIndex++; } result.append("'"); break; case '\"' : // special html escape character if (lastIndex < (currentIndex - 1)) { result.append(text.substring(lastIndex, currentIndex - 1)); lastIndex = currentIndex; } else { lastIndex++; } result.append("""); break; } } if (lastIndex < (currentIndex)) { result.append(text.substring(lastIndex, currentIndex)); } } public static void createMacro(StringBuffer result, String macroCommand, FilterContext context, MacroRepository macros) { String command = ""; String endTag; String parameterString = null; String macroBodyString = ""; int index0 = 0; int index1 = macroCommand.indexOf('}'); if ((index0 = macroCommand.indexOf(':')) >= 0 && (index0 < index1)) { command = macroCommand.substring(1, index0); parameterString = macroCommand.substring(index0 + 1, index1); } else { command = macroCommand.substring(1, index1); } Macro macro = (Macro) macros.get(command); String completeMacroSubString; if ((macro != null) && (macro instanceof IBodyTagSupportMacro)) { endTag = '{' + command + '}'; index0 = macroCommand.indexOf(endTag, command.length()); if (index0 >= 0) { macroBodyString = macroCommand.substring(index1 + 1, index0); } } completeMacroSubString = macroCommand; handleMacro(result, completeMacroSubString, command, parameterString, macroBodyString, context, macros); } private static void handleMacro( StringBuffer result, String completeMacroSubString, String command, String unsplittedMacroParameters, String group3, FilterContext context, MacroRepository macros) { if (command != null) { // {$peng} are variables not macros. if (!command.startsWith("$")) { MacroParameter mParams = context.getMacroParameter(); if (group3 != null) { mParams.setContent(group3); mParams.setContentStart(0); mParams.setContentEnd(group3.length()); } if (unsplittedMacroParameters != null && unsplittedMacroParameters.length() > 1) { // mParams.setParams(parseParameters(unsplittedMacroParameters)); mParams.setParams(unsplittedMacroParameters); } mParams.setStart(0); mParams.setEnd(completeMacroSubString.length()); // @DANGER: recursive calls may replace macros in included source code try { if (macros.containsKey(command)) { Macro macro = (Macro) macros.get(command); // recursively filter macros within macros if (null != mParams.getContent() && !(macro instanceof INoParserBodyFilterMacro)) { mParams.setContent(filterParser(mParams.getContent(), context, macros, 0)); } StringBufferWriter writer = new StringBufferWriter(new StringBuffer(256)); macro.execute(writer, mParams); StringBuffer buffer = writer.getBuffer(); if (macro instanceof IRenderResultMacro) { result.append(filterParser(buffer.toString(), context, macros, 0)); } else { result.append(buffer); } } else if (command.startsWith("!")) { RenderEngine engine = context.getRenderContext().getRenderEngine(); if (engine instanceof IncludeRenderEngine) { String include = ((IncludeRenderEngine) engine).include(command.substring(1)); if (null != include) { // Filter paramFilter = new ParamFilter(mParams); // included = paramFilter.filter(included, null); // fResult.append(include); result.append(filterParser(include, context, macros, 0)); } else { result.append(command.substring(1) + " not found."); } } return; } else { // fResult.append(group0); copyWhite(result, completeMacroSubString); return; } } catch (IllegalArgumentException e) { result.append("" + command + ": " + e.getMessage() + ""); e.printStackTrace(); } catch (Throwable e) { // log.warn("MacroFilter: unable to format macro: " + command, e); result.append("" + command + ": " + e.getMessage() + ""); e.printStackTrace(); return; } } else { result.append("<"); result.append(command.substring(1)); result.append(">"); } } else { // fResult.append(group0); copyWhite(result, completeMacroSubString); } } public static void createExternalLink(StringBuffer result, RenderEngine wikiEngine, String urlString) { // Does our engine know images? if (wikiEngine instanceof ImageRenderEngine) { result.append(((ImageRenderEngine) wikiEngine).getExternalImageLink()); } result.append(""); result.append(""); result.append(Encoder.toEntity(urlString.charAt(0)) + urlString.substring(1)); result.append(""); } // public static void handleSnipLink(StringBuffer result, RenderEngine wikiEngine, String name) { // if (name != null) { // int index = name.indexOf("http://"); // // Configuration probably wrote [http://radeox.org] instead of http://radeox.org // if (index != -1) { // createExternalLink(result, wikiEngine, name.substring(index)); // // show error // // fResult.append("Do not surround URLs with [...]."); // } else { // // trim the name and unescape it // name = Encoder.unescape(name.trim()); // // Is there an alias like [alias|link] ? // int pipeIndex = name.indexOf('|'); // String alias = ""; // if (-1 != pipeIndex) { // alias = name.substring(0, pipeIndex); // name = name.substring(pipeIndex + 1); // } // // int hashIndex = name.lastIndexOf('#'); // // String hash = ""; // if (-1 != hashIndex && hashIndex != name.length() - 1) { // hash = name.substring(hashIndex + 1); // name = name.substring(0, hashIndex); // } // // int colonIndex = name.indexOf(':'); // // typed link ? // if (-1 != colonIndex) { // // for now throw away the fType information // name = name.substring(colonIndex + 1); // } // // int atIndex = name.lastIndexOf('@'); // // InterWiki link ? // if (-1 != atIndex) { // String extSpace = name.substring(atIndex + 1); // // known extarnal space ? // InterWiki interWiki = InterWiki.getInstance(); // if (interWiki.contains(extSpace)) { // name = name.substring(0, atIndex); // Writer writer = new StringBufferWriter(result); // try { // if (-1 != hashIndex) { // interWiki.expand(writer, extSpace, name, hash); // } else { // interWiki.expand(writer, extSpace, name, ""); // } // } catch (IOException e) { //// log.debug("InterWiki " + extSpace + " not found."); // } // } else { // result.append("["); // result.append(name); // result.append("?]"); // } // } else { // // internal link // if (wikiEngine != null && wikiEngine instanceof WikiRenderEngine) { // if (((WikiRenderEngine) wikiEngine).exists(name)) { // String view = name; // if (-1 != pipeIndex) { // view = alias; // } // // Do not add hash if an alias was given // if (-1 != hashIndex) { // ((WikiRenderEngine) wikiEngine).appendLink(result, name, view, hash); // } else { // ((WikiRenderEngine) wikiEngine).appendLink(result, name, view); // } // } else if (((WikiRenderEngine) wikiEngine).showCreate()) { // ((WikiRenderEngine) wikiEngine).appendCreateLink(result, name, name); // // links with "create" are not cacheable because // // a missing wiki could be created // // TODO is this ok? // // fContext.getRenderContext().setCacheable(false); // } else { // // cannot display/create wiki, so just display the text // result.append(name); // } // } else { // // cannot display/create wiki, so just display the text // result.append(name); // } // } // } // } // } public static void handleWikipediaLink(StringBuffer result, RenderEngine wikiEngine, String name, String suffix) { if (name != null) { int index = name.indexOf("http://"); // Configuration probably wrote [http://radeox.org] instead of http://radeox.org if (index != -1) { // createExternalLink(result, wikiEngine, name.substring(index)); String urlString = name.substring(index); // Wikipedia like style: int pipeIndex = urlString.indexOf(' '); String alias = ""; if (-1 != pipeIndex) { alias = urlString.substring(pipeIndex + 1); urlString = urlString.substring(0, pipeIndex); } else { alias = urlString; } if (wikiEngine instanceof ImageRenderEngine) { result.append(((ImageRenderEngine) wikiEngine).getExternalImageLink()); } result.append(""); result.append(""); result.append(Encoder.toEntity(alias.charAt(0)) + alias.substring(1)); result.append(""); } else { if (suffix == null) { suffix = ""; } // trim the name and unescape it name = Encoder.unescape(name.trim()); name = name.replaceAll(":","/"); // Is there an alias like [alias|link] ? int pipeIndex = name.indexOf('|'); String alias = ""; if (-1 != pipeIndex) { alias = name.substring(pipeIndex + 1); name = name.substring(0, pipeIndex); } int hashIndex = name.lastIndexOf('#'); String hash = ""; if (-1 != hashIndex && hashIndex != name.length() - 1) { hash = name.substring(hashIndex + 1); name = name.substring(0, hashIndex); } int colonIndex = name.indexOf(':'); // typed link ? if (-1 != colonIndex) { // for now throw away the fType information name = name.substring(colonIndex + 1); } int atIndex = name.lastIndexOf('@'); // InterWiki link ? if (-1 != atIndex) { String extSpace = name.substring(atIndex + 1); // known external space ? InterWiki interWiki = InterWiki.getInstance(); if (interWiki.contains(extSpace)) { name = name.substring(0, atIndex); Writer writer = new StringBufferWriter(result); try { if (-1 != hashIndex) { interWiki.expand(writer, extSpace, name, hash); } else { interWiki.expand(writer, extSpace, name, ""); } } catch (IOException e) { // log.debug("InterWiki " + extSpace + " not found."); } } else { result.append("["); result.append(name); result.append("?]"); } } else { // internal link if (wikiEngine != null && wikiEngine instanceof WikiRenderEngine) { if (((WikiRenderEngine) wikiEngine).exists(name)) { String view = name + suffix; if (-1 != pipeIndex) { view = alias + suffix; } // Do not add hash if an alias was given if (-1 != hashIndex) { ((WikiRenderEngine) wikiEngine).appendLink(result, name, view, hash); } else { ((WikiRenderEngine) wikiEngine).appendLink(result, name, view); } } else if (((WikiRenderEngine) wikiEngine).showCreate()) { ((WikiRenderEngine) wikiEngine).appendCreateLink(result, name, name + suffix); // links with "create" are not cacheable because // a missing wiki could be created // TODO is this ok? // fContext.getRenderContext().setCacheable(false); } else { // cannot display/create wiki, so just display the text result.append(name); } } else { // cannot display/create wiki, so just display the text result.append(name); } } } } } }