X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftemplate%2FParserFilter.java;h=26254412eebe335ef703dce2382230b2b96be6d5;hp=2aafd1fa1993360852384eaa4daef342dbc884a3;hb=5777a17f983636923bc2231daec8d0383955d1f5;hpb=616d826774d0ac43e1152ec6a4f5c3c198b95483 diff --git a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java index 2aafd1f..2625441 100644 --- a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java +++ b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java @@ -18,73 +18,33 @@ package net.pterodactylus.sone.template; import static java.lang.String.valueOf; -import static net.pterodactylus.sone.utils.NumberParsers.parseInt; import java.io.IOException; import java.io.StringReader; -import java.io.StringWriter; -import java.io.UnsupportedEncodingException; -import java.io.Writer; -import java.net.URLEncoder; -import java.util.ArrayList; -import java.util.List; +import java.util.Collections; import java.util.Map; import net.pterodactylus.sone.core.Core; -import net.pterodactylus.sone.data.Album; import net.pterodactylus.sone.data.Sone; -import net.pterodactylus.sone.text.AlbumPart; -import net.pterodactylus.sone.text.FreenetLinkPart; -import net.pterodactylus.sone.text.LinkPart; import net.pterodactylus.sone.text.Part; -import net.pterodactylus.sone.text.PlainTextPart; -import net.pterodactylus.sone.text.PostPart; -import net.pterodactylus.sone.text.SonePart; import net.pterodactylus.sone.text.SoneTextParser; import net.pterodactylus.sone.text.SoneTextParserContext; import net.pterodactylus.sone.web.page.FreenetRequest; import net.pterodactylus.util.template.Filter; -import net.pterodactylus.util.template.Template; import net.pterodactylus.util.template.TemplateContext; -import net.pterodactylus.util.template.TemplateContextFactory; -import net.pterodactylus.util.template.TemplateParser; /** - * Filter that filters a given text through a {@link SoneTextParser}. + * Filter that filters a given text through a {@link SoneTextParser} and returns the parsed {@link Part}s. * * @author David ‘Bombe’ Roden */ public class ParserFilter implements Filter { - /** The core. */ private final Core core; - - /** The link parser. */ private final SoneTextParser soneTextParser; - /** The template context factory. */ - private final TemplateContextFactory templateContextFactory; - - /** The template for {@link PlainTextPart}s. */ - private static final Template plainTextTemplate = TemplateParser.parse(new StringReader("<%text|html>")); - - /** The template for {@link FreenetLinkPart}s. */ - private static final Template linkTemplate = TemplateParser.parse(new StringReader("\" href=\"<%link|html>\" title=\"<%title|html>\"><%text|html>")); - - /** - * Creates a new filter that runs its input through a {@link SoneTextParser} - * . - * - * @param core - * The core - * @param templateContextFactory - * The context factory for rendering the parts - * @param soneTextParser - * The Sone text parser - */ - public ParserFilter(Core core, TemplateContextFactory templateContextFactory, SoneTextParser soneTextParser) { + public ParserFilter(Core core, SoneTextParser soneTextParser) { this.core = core; - this.templateContextFactory = templateContextFactory; this.soneTextParser = soneTextParser; } @@ -94,217 +54,18 @@ public class ParserFilter implements Filter { @Override public Object format(TemplateContext templateContext, Object data, Map 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 parts = soneTextParser.parse(context, new StringReader(text)); - if (length > -1) { - int allPartsLength = 0; - List shortenedParts = new ArrayList(); - 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); + return soneTextParser.parse(context, new StringReader(text)); } catch (IOException ioe1) { - /* no exceptions in a StringReader or StringWriter, ignore. */ + /* no exceptions in a StringReader, ignore. */ + return Collections.emptyList(); } - 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 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); - } - } - - /** - * 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"); - } - } - - /** - * Renders the given post part. - * - * @param writer - * The writer to render the part to - * @param postPart - * The part to render - */ - private void render(Writer writer, PostPart postPart) { - SoneTextParser parser = new SoneTextParser(core, core, core); - SoneTextParserContext parserContext = new SoneTextParserContext(null, postPart.getPost().getSone()); - try { - Iterable parts = parser.parse(parserContext, new StringReader(postPart.getPost().getText())); - StringBuilder excerpt = new StringBuilder(); - for (Part part : parts) { - excerpt.append(part.getText()); - if (excerpt.length() > 20) { - int lastSpace = excerpt.lastIndexOf(" ", 20); - if (lastSpace > -1) { - excerpt.setLength(lastSpace); - } else { - excerpt.setLength(20); - } - excerpt.append("…"); - break; - } - } - renderLink(writer, "viewPost.html?post=" + postPart.getPost().getId(), excerpt.toString(), - SoneAccessor.getNiceName(postPart.getPost().getSone()), postPart.usesDeprecatedLink() ? "internet" : "in-sone"); - } catch (IOException ioe1) { - /* StringReader shouldn’t throw. */ - } - } - - private void render(Writer writer, AlbumPart albumPart) { - Album album = albumPart.getAlbum(); - renderLink(writer, String.format("imageBrowser.html?album=%s", album.getId()), album.getTitle(), album.getDescription(), "in-sone"); - } - - /** - * Renders the given link. - * - * @param writer - * The writer to render the link to - * @param link - * The link to render - * @param text - * The text of the link - * @param title - * The title of the link - * @param cssClass - * The CSS class of the link - */ - private void renderLink(Writer writer, String link, String text, String title, String cssClass) { - TemplateContext templateContext = templateContextFactory.createTemplateContext(); - templateContext.set("cssClass", cssClass); - templateContext.set("link", link); - templateContext.set("text", text); - templateContext.set("title", title); - linkTemplate.render(templateContext, writer); } }