Turn templates into static members.

[Sone.git] / src / main / java / net / pterodactylus / sone / template / ParserFilter.java

diff --git a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java
index 26afe2e..90744e7 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/template/ParserFilter.java
+++ b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java
@@ -1,5 +1,5 @@
 /*
- * Sone - ParserFilter.java - Copyright © 2011 David Roden
+ * Sone - ParserFilter.java - Copyright © 2011–2012 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
@@ -21,6 +21,8 @@ import java.io.IOException;
 import java.io.StringReader;
 import java.io.StringWriter;
 import java.io.Writer;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 
 import net.pterodactylus.sone.core.Core;
@@ -33,7 +35,8 @@ 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.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;
@@ -57,10 +60,10 @@ public class ParserFilter implements Filter {
        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}
@@ -83,21 +86,49 @@ public class ParserFilter implements Filter {
         * {@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. */
                }
@@ -194,7 +225,11 @@ public class ParserFilter implements Filter {
         *            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");
+               }
        }
 
        /**
@@ -247,10 +282,11 @@ public class ParserFilter implements Filter {
         * @return The excerpt of the text
         */
        private static String getExcerpt(String text, int length) {
-               if (text.length() > length) {
-                       return text.substring(0, length) + "…";
+               String filteredText = text.replaceAll("(\r\n)+", "\r\n").replaceAll("\n+", "\n").replace("\r\n", " ").replace('\n', ' ');
+               if (filteredText.length() > length) {
+                       return filteredText.substring(0, length) + "…";
                }
-               return text;
+               return filteredText;
        }
 
 }