+ public Object format(TemplateContext templateContext, Object data, Map<String, Object> parameters) {
+ String text = valueOf(data);
+ int length = parseInt(valueOf(parameters.get("length")), -1);
+ int cutOffLength = parseInt(valueOf(parameters.get("cut-off-length")), length);
+ Object sone = parameters.get("sone");
+ if (sone instanceof String) {
+ sone = core.getSone((String) sone).orNull();
+ }
+ FreenetRequest request = (FreenetRequest) templateContext.get("request");
+ SoneTextParserContext context = new SoneTextParserContext(request, (Sone) sone);
+ StringWriter parsedTextWriter = new StringWriter();
+ try {
+ Iterable<Part> parts = soneTextParser.parse(context, new StringReader(text));
+ if (length > -1) {
+ int allPartsLength = 0;
+ List<Part> shortenedParts = new ArrayList<Part>();
+ for (Part part : parts) {
+ if (part instanceof PlainTextPart) {
+ String longText = ((PlainTextPart) part).getText();
+ if (allPartsLength < cutOffLength) {
+ if ((allPartsLength + longText.length()) > cutOffLength) {
+ shortenedParts.add(new PlainTextPart(longText.substring(0, cutOffLength - allPartsLength) + "…"));
+ } else {
+ shortenedParts.add(part);
+ }
+ }
+ allPartsLength += longText.length();
+ } else if (part instanceof LinkPart) {
+ if (allPartsLength < cutOffLength) {
+ shortenedParts.add(part);
+ }
+ allPartsLength += ((LinkPart) part).getText().length();
+ } else {
+ if (allPartsLength < cutOffLength) {
+ shortenedParts.add(part);
+ }
+ }
+ }
+ if (allPartsLength >= length) {
+ parts = shortenedParts;
+ }
+ }
+ render(parsedTextWriter, parts);
+ } catch (IOException ioe1) {
+ /* no exceptions in a StringReader or StringWriter, ignore. */
+ }
+ return parsedTextWriter.toString();
+ }
+
+ //
+ // PRIVATE METHODS
+ //
+
+ /**
+ * Renders the given parts.
+ *
+ * @param writer
+ * The writer to render the parts to
+ * @param parts
+ * The parts to render
+ */
+ private void render(Writer writer, Iterable<Part> parts) {
+ for (Part part : parts) {
+ render(writer, part);
+ }
+ }
+
+ /**
+ * Renders the given part.
+ *
+ * @param writer
+ * The writer to render the part to
+ * @param part
+ * The part to render
+ */
+ @SuppressWarnings("unchecked")
+ private void render(Writer writer, Part part) {
+ if (part instanceof PlainTextPart) {
+ render(writer, (PlainTextPart) part);
+ } else if (part instanceof FreenetLinkPart) {
+ render(writer, (FreenetLinkPart) part);
+ } else if (part instanceof LinkPart) {
+ render(writer, (LinkPart) part);
+ } else if (part instanceof SonePart) {
+ render(writer, (SonePart) part);
+ } else if (part instanceof PostPart) {
+ render(writer, (PostPart) part);
+ } else if (part instanceof AlbumPart) {
+ render(writer, (AlbumPart) part);
+ } else if (part instanceof Iterable<?>) {
+ render(writer, (Iterable<Part>) part);
+ }
+ }
+
+ /**
+ * Renders the given plain-text part.
+ *
+ * @param writer
+ * The writer to render the part to
+ * @param plainTextPart
+ * The part to render
+ */
+ private void render(Writer writer, PlainTextPart plainTextPart) {
+ TemplateContext templateContext = templateContextFactory.createTemplateContext();
+ templateContext.set("text", plainTextPart.getText());
+ plainTextTemplate.render(templateContext, writer);
+ }
+
+ /**
+ * Renders the given freenet link part.
+ *
+ * @param writer
+ * The writer to render the part to
+ * @param freenetLinkPart
+ * The part to render
+ */
+ private void render(Writer writer, FreenetLinkPart freenetLinkPart) {
+ renderLink(writer, "/" + freenetLinkPart.getLink(), freenetLinkPart.getText(), freenetLinkPart.getTitle(), freenetLinkPart.isTrusted() ? "freenet-trusted" : "freenet");
+ }
+
+ /**
+ * Renders the given link part.
+ *
+ * @param writer
+ * The writer to render the part to
+ * @param linkPart
+ * The part to render
+ */
+ private void render(Writer writer, LinkPart linkPart) {
+ try {
+ renderLink(writer, "/external-link/?_CHECKED_HTTP_=" + URLEncoder.encode(linkPart.getLink(), "UTF-8"), linkPart.getText(), linkPart.getTitle(), "internet");
+ } catch (UnsupportedEncodingException uee1) {
+ /* not possible for UTF-8. */
+ throw new RuntimeException("The JVM does not support UTF-8 encoding!", uee1);
+ }
+ }
+
+ /**
+ * Renders the given Sone part.
+ *
+ * @param writer
+ * The writer to render the part to
+ * @param sonePart
+ * The part to render
+ */
+ private void render(Writer writer, SonePart sonePart) {
+ if ((sonePart.getSone() != null) && (sonePart.getSone().getName() != null)) {
+ renderLink(writer, "viewSone.html?sone=" + sonePart.getSone().getId(), SoneAccessor.getNiceName(sonePart.getSone()), SoneAccessor.getNiceName(sonePart.getSone()), "in-sone");
+ } else {
+ renderLink(writer, "/WebOfTrust/ShowIdentity?id=" + sonePart.getSone().getId(), sonePart.getSone().getId(), sonePart.getSone().getId(), "in-sone");