From ab7fada54ed08b0a8d9ce9c606cbea29c3c3f819 Mon Sep 17 00:00:00 2001 From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?= Date: Wed, 8 Jun 2011 11:12:59 +0200 Subject: [PATCH] Rewriter Sone text parser to separate the parser from the generated HTML. --- .../pterodactylus/sone/template/ParserFilter.java | 104 +++++- .../pterodactylus/sone/text/FreenetLinkParser.java | 394 --------------------- .../sone/text/FreenetLinkParserContext.java | 69 ---- .../pterodactylus/sone/text/FreenetLinkPart.java | 42 +++ .../java/net/pterodactylus/sone/text/LinkPart.java | 57 +++ .../java/net/pterodactylus/sone/text/Parser.java | 2 +- .../java/net/pterodactylus/sone/text/Part.java | 6 +- .../net/pterodactylus/sone/text/PartContainer.java | 82 +++-- .../net/pterodactylus/sone/text/PlainTextPart.java | 47 +++ .../java/net/pterodactylus/sone/text/PostPart.java | 39 ++ .../java/net/pterodactylus/sone/text/SonePart.java | 40 +++ .../pterodactylus/sone/text/SoneTextParser.java | 305 ++++++++++++++++ .../sone/text/SoneTextParserContext.java | 69 ++++ .../net/pterodactylus/sone/text/TemplatePart.java | 111 ------ .../sone/text/FreenetLinkParserTest.java | 78 ---- 15 files changed, 754 insertions(+), 691 deletions(-) delete mode 100644 src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java delete mode 100644 src/main/java/net/pterodactylus/sone/text/FreenetLinkParserContext.java create mode 100644 src/main/java/net/pterodactylus/sone/text/FreenetLinkPart.java create mode 100644 src/main/java/net/pterodactylus/sone/text/LinkPart.java create mode 100644 src/main/java/net/pterodactylus/sone/text/PlainTextPart.java create mode 100644 src/main/java/net/pterodactylus/sone/text/PostPart.java create mode 100644 src/main/java/net/pterodactylus/sone/text/SonePart.java create mode 100644 src/main/java/net/pterodactylus/sone/text/SoneTextParser.java create mode 100644 src/main/java/net/pterodactylus/sone/text/SoneTextParserContext.java delete mode 100644 src/main/java/net/pterodactylus/sone/text/TemplatePart.java delete mode 100644 src/test/java/net/pterodactylus/sone/text/FreenetLinkParserTest.java diff --git a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java index db945b5..02d12f0 100644 --- a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java +++ b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java @@ -19,19 +19,29 @@ package net.pterodactylus.sone.template; import java.io.IOException; import java.io.StringReader; +import java.io.StringWriter; +import java.io.Writer; import java.util.Map; import net.pterodactylus.sone.core.Core; import net.pterodactylus.sone.data.Sone; -import net.pterodactylus.sone.text.FreenetLinkParser; -import net.pterodactylus.sone.text.FreenetLinkParserContext; +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.Page.Request; 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 FreenetLinkParser}. + * Filter that filters a given text through a {@link SoneTextParser}. * * @author David ‘Bombe’ Roden */ @@ -41,11 +51,20 @@ public class ParserFilter implements Filter { private final Core core; /** The link parser. */ - private final FreenetLinkParser linkParser; + private final SoneTextParser textParser; + + /** The template context factory. */ + private final TemplateContextFactory templateContextFactory; + + /** The template for {@link PlainTextPart}s. */ + private final Template plainTextTemplate = TemplateParser.parse(new StringReader("<%text|html>")); + + /** The template for {@link FreenetLinkPart}s. */ + private 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 FreenetLinkParser}. + * Creates a new filter that runs its input through a {@link SoneTextParser} + * . * * @param core * The core @@ -54,7 +73,8 @@ public class ParserFilter implements Filter { */ public ParserFilter(Core core, TemplateContextFactory templateContextFactory) { this.core = core; - linkParser = new FreenetLinkParser(core, templateContextFactory); + this.templateContextFactory = templateContextFactory; + textParser = new SoneTextParser(core); } /** @@ -71,13 +91,75 @@ public class ParserFilter implements Filter { if (sone == null) { sone = core.getSone(soneKey, false); } - FreenetLinkParserContext context = new FreenetLinkParserContext((Request) templateContext.get("request"), sone); + Request request = (Request) templateContext.get("request"); + SoneTextParserContext context = new SoneTextParserContext(request, sone); + StringWriter parsedTextWriter = new StringWriter(); try { - return linkParser.parse(context, new StringReader(text)); + render(parsedTextWriter, textParser.parse(context, new StringReader(text))); } catch (IOException ioe1) { - /* no exceptions in a StringReader, ignore. */ + /* no exceptions in a StringReader or StringWriter, ignore. */ + } + return parsedTextWriter.toString(); + } + + // + // PRIVATE METHODS + // + + private void render(Writer writer, Iterable parts) throws IOException { + for (Part part : parts) { + render(writer, part); + } + } + + private void render(Writer writer, Part part) throws IOException { + if (part instanceof PlainTextPart) { + render(writer, (PlainTextPart) part); + } else if (part instanceof FreenetLinkPart) { + render(writer, (FreenetLinkPart) part); + } + } + + private void render(Writer writer, PlainTextPart plainTextPart) throws IOException { + TemplateContext templateContext = templateContextFactory.createTemplateContext(); + templateContext.set("text", plainTextPart.getText()); + plainTextTemplate.render(templateContext, writer); + } + + private void render(Writer writer, FreenetLinkPart freenetLinkPart) throws IOException { + renderLink(writer, "/" + freenetLinkPart.getLink(), freenetLinkPart.getText(), freenetLinkPart.getTitle(), freenetLinkPart.isTrusted() ? "freenet-trusted" : "freenet"); + } + + private void render(Writer writer, LinkPart linkPart) throws IOException { + renderLink(writer, "/?_CHECKED_HTTP_=" + linkPart.getLink(), linkPart.getText(), linkPart.getTitle(), "internet"); + } + + private void render(Writer writer, SonePart sonePart) throws IOException { + renderLink(writer, "viewSone.html?sone=" + sonePart.getSone().getId(), SoneAccessor.getNiceName(sonePart.getSone()), SoneAccessor.getNiceName(sonePart.getSone()), "in-sone"); + } + + private void render(Writer writer, PostPart postPart) throws IOException { + renderLink(writer, "viewPost.html?post=" + postPart.getPost().getId(), getExcerpt(postPart.getPost().getText(), 20), SoneAccessor.getNiceName(postPart.getPost().getSone()), "in-sone"); + } + + 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); + } + + // + // STATIC METHODS + // + + private static String getExcerpt(String text, int length) { + if (text.length() > length) { + return text.substring(0, length) + "…"; } - return null; + return text; } } diff --git a/src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java b/src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java deleted file mode 100644 index 770a484..0000000 --- a/src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java +++ /dev/null @@ -1,394 +0,0 @@ -/* - * Sone - FreenetLinkParser.java - Copyright © 2010 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.text; - -import java.io.BufferedReader; -import java.io.IOException; -import java.io.Reader; -import java.io.StringReader; -import java.net.MalformedURLException; -import java.util.logging.Level; -import java.util.logging.Logger; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -import net.pterodactylus.sone.core.Core; -import net.pterodactylus.sone.data.Post; -import net.pterodactylus.sone.data.Sone; -import net.pterodactylus.sone.template.SoneAccessor; -import net.pterodactylus.util.logging.Logging; -import net.pterodactylus.util.template.TemplateContextFactory; -import net.pterodactylus.util.template.TemplateParser; -import freenet.keys.FreenetURI; - -/** - * {@link Parser} implementation that can recognize Freenet URIs. - * - * @author David ‘Bombe’ Roden - */ -public class FreenetLinkParser implements Parser { - - /** The logger. */ - private static final Logger logger = Logging.getLogger(FreenetLinkParser.class); - - /** Pattern to detect whitespace. */ - private static final Pattern whitespacePattern = Pattern.compile("[\\u000a\u0020\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u200c\u200d\u202f\u205f\u2060\u2800\u3000]"); - - /** - * Enumeration for all recognized link types. - * - * @author David ‘Bombe’ Roden - */ - private enum LinkType { - - /** Link is a KSK. */ - KSK, - - /** Link is a CHK. */ - CHK, - - /** Link is an SSK. */ - SSK, - - /** Link is a USK. */ - USK, - - /** Link is HTTP. */ - HTTP, - - /** Link is HTTPS. */ - HTTPS, - - /** Link is a Sone. */ - SONE, - - /** Link is a post. */ - POST, - - } - - /** The core. */ - private final Core core; - - /** The template factory. */ - private final TemplateContextFactory templateContextFactory; - - /** - * Creates a new freenet link parser. - * - * @param core - * The core - * @param templateContextFactory - * The template context factory - */ - public FreenetLinkParser(Core core, TemplateContextFactory templateContextFactory) { - this.core = core; - this.templateContextFactory = templateContextFactory; - } - - // - // PART METHODS - // - - /** - * {@inheritDoc} - */ - @Override - public Part parse(FreenetLinkParserContext context, Reader source) throws IOException { - PartContainer parts = new PartContainer(); - BufferedReader bufferedReader = (source instanceof BufferedReader) ? (BufferedReader) source : new BufferedReader(source); - String line; - boolean lastLineEmpty = true; - int emptyLines = 0; - while ((line = bufferedReader.readLine()) != null) { - if (line.trim().length() == 0) { - if (lastLineEmpty) { - continue; - } - parts.add(createPlainTextPart("\n")); - ++emptyLines; - lastLineEmpty = emptyLines == 2; - continue; - } - emptyLines = 0; - boolean lineComplete = true; - while (line.length() > 0) { - int nextKsk = line.indexOf("KSK@"); - int nextChk = line.indexOf("CHK@"); - int nextSsk = line.indexOf("SSK@"); - int nextUsk = line.indexOf("USK@"); - int nextHttp = line.indexOf("http://"); - int nextHttps = line.indexOf("https://"); - int nextSone = line.indexOf("sone://"); - int nextPost = line.indexOf("post://"); - if ((nextKsk == -1) && (nextChk == -1) && (nextSsk == -1) && (nextUsk == -1) && (nextHttp == -1) && (nextHttps == -1) && (nextSone == -1) && (nextPost == -1)) { - if (lineComplete && !lastLineEmpty) { - parts.add(createPlainTextPart("\n" + line)); - } else { - parts.add(createPlainTextPart(line)); - } - break; - } - int next = Integer.MAX_VALUE; - LinkType linkType = null; - if ((nextKsk > -1) && (nextKsk < next)) { - next = nextKsk; - linkType = LinkType.KSK; - } - if ((nextChk > -1) && (nextChk < next)) { - next = nextChk; - linkType = LinkType.CHK; - } - if ((nextSsk > -1) && (nextSsk < next)) { - next = nextSsk; - linkType = LinkType.SSK; - } - if ((nextUsk > -1) && (nextUsk < next)) { - next = nextUsk; - linkType = LinkType.USK; - } - if ((nextHttp > -1) && (nextHttp < next)) { - next = nextHttp; - linkType = LinkType.HTTP; - } - if ((nextHttps > -1) && (nextHttps < next)) { - next = nextHttps; - linkType = LinkType.HTTPS; - } - if ((nextSone > -1) && (nextSone < next)) { - next = nextSone; - linkType = LinkType.SONE; - } - if ((nextPost > -1) && (nextPost < next)) { - next = nextPost; - linkType = LinkType.POST; - } - if (linkType == LinkType.SONE) { - if (next > 0) { - parts.add(createPlainTextPart(line.substring(0, next))); - } - if (line.length() >= (next + 7 + 43)) { - String soneId = line.substring(next + 7, next + 50); - Sone sone = core.getSone(soneId, false); - if (sone != null) { - parts.add(createInSoneLinkPart("viewSone.html?sone=" + soneId, SoneAccessor.getNiceName(sone))); - } else { - parts.add(createPlainTextPart(line.substring(next, next + 50))); - } - line = line.substring(next + 50); - } else { - parts.add(createPlainTextPart(line.substring(next))); - line = ""; - } - continue; - } - if (linkType == LinkType.POST) { - if (next > 0) { - parts.add(createPlainTextPart(line.substring(0, next))); - } - if (line.length() >= (next + 7 + 36)) { - String postId = line.substring(next + 7, next + 43); - Post post = core.getPost(postId, false); - if ((post != null) && (post.getSone() != null)) { - String postText = post.getText(); - postText = postText.substring(0, Math.min(postText.length(), 20)) + "…"; - Sone postSone = post.getSone(); - parts.add(createInSoneLinkPart("viewPost.html?post=" + postId, postText, (postSone == null) ? postText : SoneAccessor.getNiceName(post.getSone()))); - } else { - parts.add(createPlainTextPart(line.substring(next, next + 43))); - } - line = line.substring(next + 43); - } else { - parts.add(createPlainTextPart(line.substring(next))); - line = ""; - } - continue; - } - if ((next >= 8) && (line.substring(next - 8, next).equals("freenet:"))) { - next -= 8; - line = line.substring(0, next) + line.substring(next + 8); - } - Matcher matcher = whitespacePattern.matcher(line); - int nextSpace = matcher.find(next) ? matcher.start() : line.length(); - if (nextSpace > (next + 4)) { - if (!lastLineEmpty && lineComplete) { - parts.add(createPlainTextPart("\n" + line.substring(0, next))); - } else { - parts.add(createPlainTextPart(line.substring(0, next))); - } - String link = line.substring(next, nextSpace); - String name = link; - logger.log(Level.FINER, "Found link: %s", link); - logger.log(Level.FINEST, "Next: %d, CHK: %d, SSK: %d, USK: %d", new Object[] { next, nextChk, nextSsk, nextUsk }); - - if ((linkType == LinkType.KSK) || (linkType == LinkType.CHK) || (linkType == LinkType.SSK) || (linkType == LinkType.USK)) { - FreenetURI uri; - if (name.indexOf('?') > -1) { - name = name.substring(0, name.indexOf('?')); - } - if (name.endsWith("/")) { - name = name.substring(0, name.length() - 1); - } - try { - uri = new FreenetURI(name); - name = uri.lastMetaString(); - if (name == null) { - name = uri.getDocName(); - } - if (name == null) { - name = link.substring(0, Math.min(9, link.length())); - } - boolean fromPostingSone = ((linkType == LinkType.SSK) || (linkType == LinkType.USK)) && link.substring(4, Math.min(link.length(), 47)).equals(context.getPostingSone().getId()); - parts.add(fromPostingSone ? createTrustedFreenetLinkPart(link, name) : createFreenetLinkPart(link, name)); - } catch (MalformedURLException mue1) { - /* not a valid link, insert as plain text. */ - parts.add(createPlainTextPart(link)); - } catch (NullPointerException npe1) { - /* FreenetURI sometimes throws these, too. */ - parts.add(createPlainTextPart(link)); - } catch (ArrayIndexOutOfBoundsException aioobe1) { - /* oh, and these, too. */ - parts.add(createPlainTextPart(link)); - } - } else if ((linkType == LinkType.HTTP) || (linkType == LinkType.HTTPS)) { - name = link.substring(linkType == LinkType.HTTP ? 7 : 8); - int firstSlash = name.indexOf('/'); - int lastSlash = name.lastIndexOf('/'); - if ((lastSlash - firstSlash) > 3) { - name = name.substring(0, firstSlash + 1) + "…" + name.substring(lastSlash); - } - if (name.endsWith("/")) { - name = name.substring(0, name.length() - 1); - } - if (((name.indexOf('/') > -1) && (name.indexOf('.') < name.lastIndexOf('.', name.indexOf('/'))) || ((name.indexOf('/') == -1) && (name.indexOf('.') < name.lastIndexOf('.')))) && name.startsWith("www.")) { - name = name.substring(4); - } - if (name.indexOf('?') > -1) { - name = name.substring(0, name.indexOf('?')); - } - link = "?_CHECKED_HTTP_=" + link; - parts.add(createInternetLinkPart(link, name)); - } - line = line.substring(nextSpace); - } else { - if (!lastLineEmpty && lineComplete) { - parts.add(createPlainTextPart("\n" + line.substring(0, next + 4))); - } else { - parts.add(createPlainTextPart(line.substring(0, next + 4))); - } - line = line.substring(next + 4); - } - lineComplete = false; - } - lastLineEmpty = false; - } - for (int partIndex = parts.size() - 1; partIndex >= 0; --partIndex) { - if (!parts.getPart(partIndex).toString().equals("\n")) { - break; - } - parts.removePart(partIndex); - } - return parts; - } - - // - // PRIVATE METHODS - // - - /** - * Creates a new plain text part based on a template. - * - * @param text - * The text to display - * @return The part that displays the given text - */ - private Part createPlainTextPart(String text) { - return new TemplatePart(templateContextFactory, TemplateParser.parse(new StringReader("<% text|html>"))).set("text", text); - } - - /** - * Creates a new part based on a template that links to a site within the - * normal internet. - * - * @param link - * The target of the link - * @param name - * The name of the link - * @return The part that displays the link - */ - private Part createInternetLinkPart(String link, String name) { - return new TemplatePart(templateContextFactory, TemplateParser.parse(new StringReader("\" title=\"<% link|html>\"><% name|html>"))).set("link", link).set("name", name); - } - - /** - * Creates a new part based on a template that links to a site within - * freenet. - * - * @param link - * The target of the link - * @param name - * The name of the link - * @return The part that displays the link - */ - private Part createFreenetLinkPart(String link, String name) { - return new TemplatePart(templateContextFactory, TemplateParser.parse(new StringReader("\" title=\"<% link|html>\"><% name|html>"))).set("link", link).set("name", name); - } - - /** - * Creates a new part based on a template that links to a page in the - * poster’s keyspace. - * - * @param link - * The target of the link - * @param name - * The name of the link - * @return The part that displays the link - */ - private Part createTrustedFreenetLinkPart(String link, String name) { - return new TemplatePart(templateContextFactory, TemplateParser.parse(new StringReader("\" title=\"<% link|html>\"><% name|html>"))).set("link", link).set("name", name); - } - - /** - * Creates a new part based on a template that links to a page in Sone. - * - * @param link - * The target of the link - * @param name - * The name of the link - * @return The part that displays the link - */ - private Part createInSoneLinkPart(String link, String name) { - return createInSoneLinkPart(link, name, name); - } - - /** - * Creates a new part based on a template that links to a page in Sone. - * - * @param link - * The target of the link - * @param name - * The name of the link - * @param title - * The title attribute of the link - * @return The part that displays the link - */ - private Part createInSoneLinkPart(String link, String name, String title) { - return new TemplatePart(templateContextFactory, TemplateParser.parse(new StringReader("\" title=\"<%title|html>\"><%name|html>"))).set("link", link).set("name", name).set("title", title); - } - -} diff --git a/src/main/java/net/pterodactylus/sone/text/FreenetLinkParserContext.java b/src/main/java/net/pterodactylus/sone/text/FreenetLinkParserContext.java deleted file mode 100644 index 0712fc0..0000000 --- a/src/main/java/net/pterodactylus/sone/text/FreenetLinkParserContext.java +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Sone - FreenetLinkParserContext.java - Copyright © 2011 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.text; - -import net.pterodactylus.sone.data.Sone; -import net.pterodactylus.sone.web.page.Page.Request; - -/** - * {@link ParserContext} implementation for the {@link FreenetLinkParser}. It - * stores the {@link Sone} that provided the parsed text so that certain links - * can be marked in a different way. - * - * @author David ‘Bombe’ Roden - */ -public class FreenetLinkParserContext implements ParserContext { - - /** The request being processed. */ - private final Request request; - - /** The posting Sone. */ - private final Sone postingSone; - - /** - * Creates a new link parser context. - * - * @param request - * The request being processed - * @param postingSone - * The posting Sone - */ - public FreenetLinkParserContext(Request request, Sone postingSone) { - this.request = request; - this.postingSone = postingSone; - } - - /** - * Returns the request that is currently being processed. - * - * @return The request being processed - */ - public Request getRequest() { - return request; - } - - /** - * Returns the Sone that provided the text that is being parsed. - * - * @return The posting Sone - */ - public Sone getPostingSone() { - return postingSone; - } - -} diff --git a/src/main/java/net/pterodactylus/sone/text/FreenetLinkPart.java b/src/main/java/net/pterodactylus/sone/text/FreenetLinkPart.java new file mode 100644 index 0000000..2efb380 --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/text/FreenetLinkPart.java @@ -0,0 +1,42 @@ +/* + * Sone - FreenetLinkPart.java - Copyright © 2011 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.text; + +/** + * TODO + * + * @author David ‘Bombe’ Roden + */ +public class FreenetLinkPart extends LinkPart { + + private final boolean trusted; + + public FreenetLinkPart(String link, String text, boolean trusted) { + this(link, text, text, trusted); + } + + public FreenetLinkPart(String link, String text, String title, boolean trusted) { + super(link, text, title); + this.trusted = trusted; + } + + public boolean isTrusted() { + return trusted; + } + +} diff --git a/src/main/java/net/pterodactylus/sone/text/LinkPart.java b/src/main/java/net/pterodactylus/sone/text/LinkPart.java new file mode 100644 index 0000000..d911bbd --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/text/LinkPart.java @@ -0,0 +1,57 @@ +/* + * Sone - LinkPart.java - Copyright © 2011 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.text; + +/** + * TODO + * + * @author David ‘Bombe’ Roden + */ +public class LinkPart implements Part { + + private final String link; + private final String text; + private final String title; + + public LinkPart(String link, String text) { + this(link, text, text); + } + + public LinkPart(String link, String text, String title) { + this.link = link; + this.text = text; + this.title = title; + } + + // + // ACCESSORS + // + + public String getLink() { + return link; + } + + public String getText() { + return text; + } + + public String getTitle() { + return title; + } + +} diff --git a/src/main/java/net/pterodactylus/sone/text/Parser.java b/src/main/java/net/pterodactylus/sone/text/Parser.java index e43ed47..3fef8ae 100644 --- a/src/main/java/net/pterodactylus/sone/text/Parser.java +++ b/src/main/java/net/pterodactylus/sone/text/Parser.java @@ -41,6 +41,6 @@ public interface Parser { * @throws IOException * if an I/O error occurs */ - public Part parse(C context, Reader source) throws IOException; + public Iterable parse(C context, Reader source) throws IOException; } diff --git a/src/main/java/net/pterodactylus/sone/text/Part.java b/src/main/java/net/pterodactylus/sone/text/Part.java index b9083b7..9c07e3d 100644 --- a/src/main/java/net/pterodactylus/sone/text/Part.java +++ b/src/main/java/net/pterodactylus/sone/text/Part.java @@ -17,16 +17,12 @@ package net.pterodactylus.sone.text; -import net.pterodactylus.util.io.Renderable; - /** * A part is a single piece of information that can be displayed as a single * element. * * @author David ‘Bombe’ Roden */ -public interface Part extends Renderable { - - /* all required methods are inherited from {@link Renderable}. */ +public interface Part { } diff --git a/src/main/java/net/pterodactylus/sone/text/PartContainer.java b/src/main/java/net/pterodactylus/sone/text/PartContainer.java index d52658e..34383a5 100644 --- a/src/main/java/net/pterodactylus/sone/text/PartContainer.java +++ b/src/main/java/net/pterodactylus/sone/text/PartContainer.java @@ -20,8 +20,12 @@ package net.pterodactylus.sone.text; import java.io.IOException; import java.io.StringWriter; import java.io.Writer; +import java.util.ArrayDeque; import java.util.ArrayList; +import java.util.Deque; +import java.util.Iterator; import java.util.List; +import java.util.NoSuchElementException; /** * Part implementation that can contain an arbitrary amount of other parts. @@ -30,7 +34,7 @@ import java.util.List; * * @author David ‘Bombe’ Roden */ -public class PartContainer implements Part { +public class PartContainer implements Iterable { /** The parts to render. */ private final List parts = new ArrayList(); @@ -80,35 +84,69 @@ public class PartContainer implements Part { } // - // PART METHODS + // ITERABLE METHODS // /** * {@inheritDoc} */ @Override - public void render(Writer writer) throws IOException { - for (Part part : parts) { - part.render(writer); - } - } + @SuppressWarnings("synthetic-access") + public Iterator iterator() { + return new Iterator() { - // - // OBJECT METHODS - // + private Deque> partStack = new ArrayDeque>(); + private Part nextPart; + private boolean foundNextPart; + private boolean noNextPart; - /** - * {@inheritDoc} - */ - @Override - public String toString() { - StringWriter stringWriter = new StringWriter(); - try { - render(stringWriter); - } catch (IOException ioe1) { - /* should never throw, ignore. */ - } - return stringWriter.toString(); + { + partStack.push(parts.iterator()); + } + + private void findNext() { + if (foundNextPart) { + return; + } + noNextPart = true; + while (!partStack.isEmpty()) { + Iterator parts = partStack.pop(); + if (parts.hasNext()) { + nextPart = parts.next(); + partStack.push(parts); + if (nextPart instanceof PartContainer) { + partStack.push(((PartContainer) nextPart).iterator()); + } else { + noNextPart = false; + break; + } + } + } + foundNextPart = true; + } + + @Override + public boolean hasNext() { + findNext(); + return !noNextPart; + } + + @Override + public Part next() { + findNext(); + if (noNextPart) { + throw new NoSuchElementException(); + } + foundNextPart = false; + return nextPart; + } + + @Override + public void remove() { + /* ignore. */ + } + + }; } } diff --git a/src/main/java/net/pterodactylus/sone/text/PlainTextPart.java b/src/main/java/net/pterodactylus/sone/text/PlainTextPart.java new file mode 100644 index 0000000..4870bc4 --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/text/PlainTextPart.java @@ -0,0 +1,47 @@ +/* + * Sone - PlainTextPart.java - Copyright © 2011 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.text; + +import java.io.IOException; +import java.io.Writer; +import java.util.Iterator; + +import net.pterodactylus.util.collection.ObjectIterator; + +/** + * TODO + * + * @author David ‘Bombe’ Roden + */ +public class PlainTextPart implements Part { + + private final String text; + + public PlainTextPart(String text) { + this.text = text; + } + + // + // ACCESSORS + // + + public String getText() { + return text; + } + +} diff --git a/src/main/java/net/pterodactylus/sone/text/PostPart.java b/src/main/java/net/pterodactylus/sone/text/PostPart.java new file mode 100644 index 0000000..1e0773d --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/text/PostPart.java @@ -0,0 +1,39 @@ +/* + * Sone - PostLinkPart.java - Copyright © 2011 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.text; + +import net.pterodactylus.sone.data.Post; + +/** + * TODO + * + * @author David ‘Bombe’ Roden + */ +public class PostPart implements Part { + + private final Post post; + + public PostPart(Post post) { + this.post = post; + } + + public Post getPost() { + return post; + } + +} diff --git a/src/main/java/net/pterodactylus/sone/text/SonePart.java b/src/main/java/net/pterodactylus/sone/text/SonePart.java new file mode 100644 index 0000000..b460a29 --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/text/SonePart.java @@ -0,0 +1,40 @@ +/* + * Sone - SoneLinkPart.java - Copyright © 2011 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.text; + +import net.pterodactylus.sone.data.Sone; +import net.pterodactylus.sone.template.SoneAccessor; + +/** + * TODO + * + * @author David ‘Bombe’ Roden + */ +public class SonePart implements Part { + + private final Sone sone; + + public SonePart(Sone sone) { + this.sone = sone; + } + + public Sone getSone() { + return sone; + } + +} diff --git a/src/main/java/net/pterodactylus/sone/text/SoneTextParser.java b/src/main/java/net/pterodactylus/sone/text/SoneTextParser.java new file mode 100644 index 0000000..6336934 --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/text/SoneTextParser.java @@ -0,0 +1,305 @@ +/* + * Sone - FreenetLinkParser.java - Copyright © 2010 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.text; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.Reader; +import java.io.StringReader; +import java.io.Writer; +import java.net.MalformedURLException; +import java.util.Iterator; +import java.util.logging.Level; +import java.util.logging.Logger; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import net.pterodactylus.sone.core.Core; +import net.pterodactylus.sone.data.Post; +import net.pterodactylus.sone.data.Sone; +import net.pterodactylus.sone.template.SoneAccessor; +import net.pterodactylus.util.logging.Logging; +import net.pterodactylus.util.template.Template; +import net.pterodactylus.util.template.TemplateContextFactory; +import net.pterodactylus.util.template.TemplateParser; +import freenet.keys.FreenetURI; + +/** + * {@link Parser} implementation that can recognize Freenet URIs. + * + * @author David ‘Bombe’ Roden + */ +public class SoneTextParser implements Parser { + + /** The logger. */ + private static final Logger logger = Logging.getLogger(SoneTextParser.class); + + /** Pattern to detect whitespace. */ + private static final Pattern whitespacePattern = Pattern.compile("[\\u000a\u0020\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u200c\u200d\u202f\u205f\u2060\u2800\u3000]"); + + /** + * Enumeration for all recognized link types. + * + * @author David ‘Bombe’ Roden + */ + private enum LinkType { + + /** Link is a KSK. */ + KSK, + + /** Link is a CHK. */ + CHK, + + /** Link is an SSK. */ + SSK, + + /** Link is a USK. */ + USK, + + /** Link is HTTP. */ + HTTP, + + /** Link is HTTPS. */ + HTTPS, + + /** Link is a Sone. */ + SONE, + + /** Link is a post. */ + POST, + + } + + /** The core. */ + private final Core core; + + /** + * Creates a new freenet link parser. + * + * @param core + * The core + */ + public SoneTextParser(Core core) { + this.core = core; + } + + // + // PART METHODS + // + + /** + * {@inheritDoc} + */ + @Override + public Iterable parse(SoneTextParserContext context, Reader source) throws IOException { + PartContainer parts = new PartContainer(); + BufferedReader bufferedReader = (source instanceof BufferedReader) ? (BufferedReader) source : new BufferedReader(source); + String line; + boolean lastLineEmpty = true; + int emptyLines = 0; + while ((line = bufferedReader.readLine()) != null) { + if (line.trim().length() == 0) { + if (lastLineEmpty) { + continue; + } + parts.add(new PlainTextPart("\n")); + ++emptyLines; + lastLineEmpty = emptyLines == 2; + continue; + } + emptyLines = 0; + boolean lineComplete = true; + while (line.length() > 0) { + int nextKsk = line.indexOf("KSK@"); + int nextChk = line.indexOf("CHK@"); + int nextSsk = line.indexOf("SSK@"); + int nextUsk = line.indexOf("USK@"); + int nextHttp = line.indexOf("http://"); + int nextHttps = line.indexOf("https://"); + int nextSone = line.indexOf("sone://"); + int nextPost = line.indexOf("post://"); + if ((nextKsk == -1) && (nextChk == -1) && (nextSsk == -1) && (nextUsk == -1) && (nextHttp == -1) && (nextHttps == -1) && (nextSone == -1) && (nextPost == -1)) { + if (lineComplete && !lastLineEmpty) { + parts.add(new PlainTextPart("\n" + line)); + } else { + parts.add(new PlainTextPart(line)); + } + break; + } + int next = Integer.MAX_VALUE; + LinkType linkType = null; + if ((nextKsk > -1) && (nextKsk < next)) { + next = nextKsk; + linkType = LinkType.KSK; + } + if ((nextChk > -1) && (nextChk < next)) { + next = nextChk; + linkType = LinkType.CHK; + } + if ((nextSsk > -1) && (nextSsk < next)) { + next = nextSsk; + linkType = LinkType.SSK; + } + if ((nextUsk > -1) && (nextUsk < next)) { + next = nextUsk; + linkType = LinkType.USK; + } + if ((nextHttp > -1) && (nextHttp < next)) { + next = nextHttp; + linkType = LinkType.HTTP; + } + if ((nextHttps > -1) && (nextHttps < next)) { + next = nextHttps; + linkType = LinkType.HTTPS; + } + if ((nextSone > -1) && (nextSone < next)) { + next = nextSone; + linkType = LinkType.SONE; + } + if ((nextPost > -1) && (nextPost < next)) { + next = nextPost; + linkType = LinkType.POST; + } + if (linkType == LinkType.SONE) { + if (next > 0) { + parts.add(new PlainTextPart(line.substring(0, next))); + } + if (line.length() >= (next + 7 + 43)) { + String soneId = line.substring(next + 7, next + 50); + Sone sone = core.getSone(soneId, false); + if (sone != null) { + parts.add(new SonePart(sone)); + } else { + parts.add(new PlainTextPart(line.substring(next, next + 50))); + } + line = line.substring(next + 50); + } else { + parts.add(new PlainTextPart(line.substring(next))); + line = ""; + } + continue; + } + if (linkType == LinkType.POST) { + if (next > 0) { + parts.add(new PlainTextPart(line.substring(0, next))); + } + if (line.length() >= (next + 7 + 36)) { + String postId = line.substring(next + 7, next + 43); + Post post = core.getPost(postId, false); + if ((post != null) && (post.getSone() != null)) { + String postText = post.getText(); + postText = postText.substring(0, Math.min(postText.length(), 20)) + "…"; + parts.add(new PostPart(post)); + } else { + parts.add(new PlainTextPart(line.substring(next, next + 43))); + } + line = line.substring(next + 43); + } else { + parts.add(new PlainTextPart(line.substring(next))); + line = ""; + } + continue; + } + if ((next >= 8) && (line.substring(next - 8, next).equals("freenet:"))) { + next -= 8; + line = line.substring(0, next) + line.substring(next + 8); + } + Matcher matcher = whitespacePattern.matcher(line); + int nextSpace = matcher.find(next) ? matcher.start() : line.length(); + if (nextSpace > (next + 4)) { + if (!lastLineEmpty && lineComplete) { + parts.add(new PlainTextPart("\n" + line.substring(0, next))); + } else { + parts.add(new PlainTextPart(line.substring(0, next))); + } + String link = line.substring(next, nextSpace); + String name = link; + logger.log(Level.FINER, "Found link: %s", link); + logger.log(Level.FINEST, "Next: %d, CHK: %d, SSK: %d, USK: %d", new Object[] { next, nextChk, nextSsk, nextUsk }); + + if ((linkType == LinkType.KSK) || (linkType == LinkType.CHK) || (linkType == LinkType.SSK) || (linkType == LinkType.USK)) { + FreenetURI uri; + if (name.indexOf('?') > -1) { + name = name.substring(0, name.indexOf('?')); + } + if (name.endsWith("/")) { + name = name.substring(0, name.length() - 1); + } + try { + uri = new FreenetURI(name); + name = uri.lastMetaString(); + if (name == null) { + name = uri.getDocName(); + } + if (name == null) { + name = link.substring(0, Math.min(9, link.length())); + } + boolean fromPostingSone = ((linkType == LinkType.SSK) || (linkType == LinkType.USK)) && (context.getPostingSone() != null) && link.substring(4, Math.min(link.length(), 47)).equals(context.getPostingSone().getId()); + parts.add(new FreenetLinkPart(link, name, fromPostingSone)); + } catch (MalformedURLException mue1) { + /* not a valid link, insert as plain text. */ + parts.add(new PlainTextPart(link)); + } catch (NullPointerException npe1) { + /* FreenetURI sometimes throws these, too. */ + parts.add(new PlainTextPart(link)); + } catch (ArrayIndexOutOfBoundsException aioobe1) { + /* oh, and these, too. */ + parts.add(new PlainTextPart(link)); + } + } else if ((linkType == LinkType.HTTP) || (linkType == LinkType.HTTPS)) { + name = link.substring(linkType == LinkType.HTTP ? 7 : 8); + int firstSlash = name.indexOf('/'); + int lastSlash = name.lastIndexOf('/'); + if ((lastSlash - firstSlash) > 3) { + name = name.substring(0, firstSlash + 1) + "…" + name.substring(lastSlash); + } + if (name.endsWith("/")) { + name = name.substring(0, name.length() - 1); + } + if (((name.indexOf('/') > -1) && (name.indexOf('.') < name.lastIndexOf('.', name.indexOf('/'))) || ((name.indexOf('/') == -1) && (name.indexOf('.') < name.lastIndexOf('.')))) && name.startsWith("www.")) { + name = name.substring(4); + } + if (name.indexOf('?') > -1) { + name = name.substring(0, name.indexOf('?')); + } + parts.add(new LinkPart(link, name)); + } + line = line.substring(nextSpace); + } else { + if (!lastLineEmpty && lineComplete) { + parts.add(new PlainTextPart("\n" + line.substring(0, next + 4))); + } else { + parts.add(new PlainTextPart(line.substring(0, next + 4))); + } + line = line.substring(next + 4); + } + lineComplete = false; + } + lastLineEmpty = false; + } + for (int partIndex = parts.size() - 1; partIndex >= 0; --partIndex) { + Part part = parts.getPart(partIndex); + if ((part instanceof PlainTextPart) && !"\n".equals(((PlainTextPart) part).getText())) { + break; + } + parts.removePart(partIndex); + } + return parts; + } + +} diff --git a/src/main/java/net/pterodactylus/sone/text/SoneTextParserContext.java b/src/main/java/net/pterodactylus/sone/text/SoneTextParserContext.java new file mode 100644 index 0000000..4a89016 --- /dev/null +++ b/src/main/java/net/pterodactylus/sone/text/SoneTextParserContext.java @@ -0,0 +1,69 @@ +/* + * Sone - SoneTextParserContext.java - Copyright © 2011 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.text; + +import net.pterodactylus.sone.data.Sone; +import net.pterodactylus.sone.web.page.Page.Request; + +/** + * {@link ParserContext} implementation for the {@link SoneTextParser}. It + * stores the {@link Sone} that provided the parsed text so that certain links + * can be marked in a different way. + * + * @author David ‘Bombe’ Roden + */ +public class SoneTextParserContext implements ParserContext { + + /** The request being processed. */ + private final Request request; + + /** The posting Sone. */ + private final Sone postingSone; + + /** + * Creates a new link parser context. + * + * @param request + * The request being processed + * @param postingSone + * The posting Sone + */ + public SoneTextParserContext(Request request, Sone postingSone) { + this.request = request; + this.postingSone = postingSone; + } + + /** + * Returns the request that is currently being processed. + * + * @return The request being processed + */ + public Request getRequest() { + return request; + } + + /** + * Returns the Sone that provided the text that is being parsed. + * + * @return The posting Sone + */ + public Sone getPostingSone() { + return postingSone; + } + +} diff --git a/src/main/java/net/pterodactylus/sone/text/TemplatePart.java b/src/main/java/net/pterodactylus/sone/text/TemplatePart.java deleted file mode 100644 index ac5694c..0000000 --- a/src/main/java/net/pterodactylus/sone/text/TemplatePart.java +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Sone - TemplatePart.java - Copyright © 2010 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.text; - -import java.io.IOException; -import java.io.StringWriter; -import java.io.Writer; - -import net.pterodactylus.util.template.Template; -import net.pterodactylus.util.template.TemplateContext; -import net.pterodactylus.util.template.TemplateContextFactory; -import net.pterodactylus.util.template.TemplateException; - -/** - * {@link Part} implementation that is rendered using a {@link Template}. - * - * @author David ‘Bombe’ Roden - */ -public class TemplatePart implements Part, net.pterodactylus.util.template.Part { - - /** The template context factory. */ - private final TemplateContextFactory templateContextFactory; - - /** The template to render for this part. */ - private final Template template; - - /** - * Creates a new template part. - * - * @param templateContextFactory - * The template context factory - * @param template - * The template to render - */ - public TemplatePart(TemplateContextFactory templateContextFactory, Template template) { - this.templateContextFactory = templateContextFactory; - this.template = template; - } - - // - // ACTIONS - // - - /** - * Sets a variable in the template. - * - * @param key - * The key of the variable - * @param value - * The value of the variable - * @return This template part (for method chaining) - */ - public TemplatePart set(String key, Object value) { - template.getInitialContext().set(key, value); - return this; - } - - // - // PART METHODS - // - - /** - * {@inheritDoc} - */ - @Override - public void render(Writer writer) throws IOException { - template.render(templateContextFactory.createTemplateContext().mergeContext(template.getInitialContext()), writer); - } - - /** - * {@inheritDoc} - */ - @Override - public void render(TemplateContext templateContext, Writer writer) throws TemplateException { - template.render(templateContext.mergeContext(template.getInitialContext()), writer); - } - - // - // OBJECT METHODS - // - - /** - * {@inheritDoc} - */ - @Override - public String toString() { - StringWriter stringWriter = new StringWriter(); - try { - render(stringWriter); - } catch (IOException ioe1) { - /* should never throw, ignore. */ - } - return stringWriter.toString(); - } - -} diff --git a/src/test/java/net/pterodactylus/sone/text/FreenetLinkParserTest.java b/src/test/java/net/pterodactylus/sone/text/FreenetLinkParserTest.java deleted file mode 100644 index e667aeb..0000000 --- a/src/test/java/net/pterodactylus/sone/text/FreenetLinkParserTest.java +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Sone - FreenetLinkParserTest.java - Copyright © 2010 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.text; - -import java.io.IOException; -import java.io.StringReader; - -import junit.framework.TestCase; -import net.pterodactylus.util.template.HtmlFilter; -import net.pterodactylus.util.template.TemplateContextFactory; - -/** - * JUnit test case for {@link FreenetLinkParser}. - * - * @author David ‘Bombe’ Roden - */ -public class FreenetLinkParserTest extends TestCase { - - /** - * Tests the parser. - * - * @throws IOException - * if an I/O error occurs - */ - public void testParser() throws IOException { - TemplateContextFactory templateContextFactory = new TemplateContextFactory(); - templateContextFactory.addFilter("html", new HtmlFilter()); - FreenetLinkParser parser = new FreenetLinkParser(null, templateContextFactory); - FreenetLinkParserContext context = new FreenetLinkParserContext(null, null); - Part part; - - part = parser.parse(context, new StringReader("Text.")); - assertEquals("Text.", part.toString()); - - part = parser.parse(context, new StringReader("Text.\nText.")); - assertEquals("Text.\nText.", part.toString()); - - part = parser.parse(context, new StringReader("Text.\n\nText.")); - assertEquals("Text.\n\nText.", part.toString()); - - part = parser.parse(context, new StringReader("Text.\n\n\nText.")); - assertEquals("Text.\n\nText.", part.toString()); - - part = parser.parse(context, new StringReader("\nText.\n\n\nText.")); - assertEquals("Text.\n\nText.", part.toString()); - - part = parser.parse(context, new StringReader("\nText.\n\n\nText.\n")); - assertEquals("Text.\n\nText.", part.toString()); - - part = parser.parse(context, new StringReader("\nText.\n\n\nText.\n\n")); - assertEquals("Text.\n\nText.", part.toString()); - - part = parser.parse(context, new StringReader("\nText.\n\n\n\nText.\n\n\n")); - assertEquals("Text.\n\nText.", part.toString()); - - part = parser.parse(context, new StringReader("\n\nText.\n\n\n\nText.\n\n\n")); - assertEquals("Text.\n\nText.", part.toString()); - - part = parser.parse(context, new StringReader("\n\nText. KSK@a text.\n\n\n\nText.\n\n\n")); - assertEquals("Text. a text.\n\nText.", part.toString()); - } - -} -- 2.7.4