X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftemplate%2FParserFilter.java;fp=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftemplate%2FParserFilter.java;h=0000000000000000000000000000000000000000;hb=f6bb52d378645bf821febd6696bc69f250a92280;hp=e2afb9c2fa10c05dfc503e27428c49ededd706b6;hpb=8e2fb40c556d340c5d6a8d78f8c38c9dc14d8365;p=Sone.git diff --git a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java deleted file mode 100644 index e2afb9c..0000000 --- a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java +++ /dev/null @@ -1,313 +0,0 @@ -/* - * Sone - ParserFilter.java - Copyright © 2011–2016 David Roden - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -package net.pterodactylus.sone.template; - -import static java.lang.String.valueOf; -import static net.pterodactylus.sone.utils.NumberParsers.parseInt; - -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.Map; - -import javax.annotation.Nonnull; - -import net.pterodactylus.sone.core.Core; -import net.pterodactylus.sone.data.Sone; -import net.pterodactylus.sone.text.FreemailPart; -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.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; - -import com.google.common.base.Function; -import com.google.common.base.Optional; - -/** - * Filter that filters a given text through a {@link SoneTextParser}. - * - * @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) { - this.core = core; - this.templateContextFactory = templateContextFactory; - this.soneTextParser = soneTextParser; - } - - /** - * {@inheritDoc} - */ - @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(); - } - SoneTextParserContext context = new SoneTextParserContext((Sone) sone); - StringWriter parsedTextWriter = new StringWriter(); - Iterable parts = soneTextParser.parse(text, context); - if (length > -1) { - int allPartsLength = 0; - List shortenedParts = new ArrayList(); - for (Part part : parts) { - if (part instanceof PlainTextPart) { - String longText = 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 += part.getText().length(); - } else { - if (allPartsLength < cutOffLength) { - shortenedParts.add(part); - } - } - } - if (allPartsLength >= length) { - parts = shortenedParts; - } - } - render(parsedTextWriter, parts); - 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 FreemailPart) { - render(writer, (FreemailPart) 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); - SoneTextParserContext parserContext = new SoneTextParserContext(postPart.getPost().getSone()); - Iterable parts = parser.parse(postPart.getPost().getText(), parserContext); - 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()), "in-sone"); - } - - private void render(@Nonnull Writer writer, @Nonnull FreemailPart freemailPart) { - Optional sone = core.getSone(freemailPart.getIdentityId()); - String soneName = sone.transform(new Function() { - @Nonnull - @Override - public String apply(Sone input) { - return SoneAccessor.getNiceName(input); - } - }).or(freemailPart.getIdentityId()); - renderLink(writer, - "/Freemail/NewMessage?to=" + freemailPart.getIdentityId(), - String.format("%s@%s.freemail", freemailPart.getEmailLocalPart(), soneName), - String.format("%s\n%s@%s.freemail", soneName, freemailPart.getEmailLocalPart(), freemailPart.getFreemailId()), - "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); - } - -}