/*
- * Sone - ParserFilter.java - Copyright © 2011 David Roden
+ * Sone - ParserFilter.java - Copyright © 2011–2013 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
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.Map;
import net.pterodactylus.sone.core.Core;
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.sone.web.page.FreenetRequest;
+import net.pterodactylus.util.number.Numbers;
import net.pterodactylus.util.template.Filter;
import net.pterodactylus.util.template.Template;
import net.pterodactylus.util.template.TemplateContext;
private final TemplateContextFactory templateContextFactory;
/** The template for {@link PlainTextPart}s. */
- private final Template plainTextTemplate = TemplateParser.parse(new StringReader("<%text|html>"));
+ private static final Template plainTextTemplate = TemplateParser.parse(new StringReader("<%text|html>"));
/** The template for {@link FreenetLinkPart}s. */
- private final Template linkTemplate = TemplateParser.parse(new StringReader("<a class=\"<%cssClass|html>\" href=\"<%link|html>\" title=\"<%title|html>\"><%text|html></a>"));
+ private static final Template linkTemplate = TemplateParser.parse(new StringReader("<a class=\"<%cssClass|html>\" href=\"<%link|html>\" title=\"<%title|html>\"><%text|html></a>"));
/**
* Creates a new filter that runs its input through a {@link SoneTextParser}
* {@inheritDoc}
*/
@Override
- public Object format(TemplateContext templateContext, Object data, Map<String, String> parameters) {
+ public Object format(TemplateContext templateContext, Object data, Map<String, Object> parameters) {
String text = String.valueOf(data);
- String soneKey = parameters.get("sone");
- if (soneKey == null) {
- soneKey = "sone";
+ int length = Numbers.safeParseInteger(parameters.get("length"), Numbers.safeParseInteger(templateContext.get(String.valueOf(parameters.get("length"))), -1));
+ int cutOffLength = Numbers.safeParseInteger(parameters.get("cut-off-length"), Numbers.safeParseInteger(templateContext.get(String.valueOf(parameters.get("cut-off-length"))), length));
+ Object sone = parameters.get("sone");
+ if (sone instanceof String) {
+ sone = core.getSone((String) sone, false);
}
- Sone sone = (Sone) templateContext.get(soneKey);
- if (sone == null) {
- sone = core.getSone(soneKey, false);
- }
- Request request = (Request) templateContext.get("request");
- SoneTextParserContext context = new SoneTextParserContext(request, sone);
+ FreenetRequest request = (FreenetRequest) templateContext.get("request");
+ SoneTextParserContext context = new SoneTextParserContext(request, (Sone) sone);
StringWriter parsedTextWriter = new StringWriter();
try {
- render(parsedTextWriter, soneTextParser.parse(context, new StringReader(text)));
+ 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. */
}
* The part to render
*/
private void render(Writer writer, LinkPart linkPart) {
- renderLink(writer, "/?_CHECKED_HTTP_=" + linkPart.getLink(), linkPart.getText(), linkPart.getTitle(), "internet");
+ 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);
+ }
}
/**
* The part to render
*/
private void render(Writer writer, SonePart sonePart) {
- renderLink(writer, "viewSone.html?sone=" + sonePart.getSone().getId(), SoneAccessor.getNiceName(sonePart.getSone()), SoneAccessor.getNiceName(sonePart.getSone()), "in-sone");
+ 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");
+ }
}
/**
* The part to render
*/
private void render(Writer writer, PostPart postPart) {
- renderLink(writer, "viewPost.html?post=" + postPart.getPost().getId(), getExcerpt(postPart.getPost().getText(), 20), SoneAccessor.getNiceName(postPart.getPost().getSone()), "in-sone");
+ SoneTextParser parser = new SoneTextParser(core, core);
+ SoneTextParserContext parserContext = new SoneTextParserContext(null, postPart.getPost().getSone());
+ try {
+ Iterable<Part> 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()), "in-sone");
+ } catch (IOException ioe1) {
+ /* StringReader shouldn’t throw. */
+ }
}
/**
linkTemplate.render(templateContext, writer);
}
- //
- // STATIC METHODS
- //
-
- /**
- * Returns up to {@code length} characters from the given text, appending
- * “…” if the text is longer.
- *
- * @param text
- * The text to get an excerpt from
- * @param length
- * The maximum length of the excerpt (without the ellipsis)
- * @return The excerpt of the text
- */
- private static String getExcerpt(String text, int length) {
- if (text.length() > length) {
- return text.substring(0, length) + "…";
- }
- return text;
- }
-
}