From 10e65e7290209c04d6dd9ede70205e33f4ce66c3 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Sun, 16 Jan 2011 15:36:39 +0100
Subject: [PATCH] Add filter to pipe arbitrary text through the link parser.

---
 .../pterodactylus/sone/template/ParserFilter.java  | 71 ++++++++++++++++++++++
 .../net/pterodactylus/sone/web/WebInterface.java   |  2 +
 2 files changed, 73 insertions(+)
 create mode 100644 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
new file mode 100644
index 0000000..6099ee7
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/template/ParserFilter.java
@@ -0,0 +1,71 @@
+/*
+ * Sone - ParserFilter.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 <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.template;
+
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.Map;
+
+import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.text.FreenetLinkParser;
+import net.pterodactylus.sone.text.FreenetLinkParserContext;
+import net.pterodactylus.util.template.DataProvider;
+import net.pterodactylus.util.template.Filter;
+import net.pterodactylus.util.template.TemplateFactory;
+
+/**
+ * Filter that filters a given text through a {@link FreenetLinkParser}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class ParserFilter implements Filter {
+
+	/** The link parser. */
+	private final FreenetLinkParser linkParser;
+
+	/**
+	 * Creates a new parser filter.
+	 *
+	 * @param templateFactory
+	 *            The template factory for the link parser
+	 */
+	public ParserFilter(TemplateFactory templateFactory) {
+		this.linkParser = new FreenetLinkParser(templateFactory);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public Object format(DataProvider dataProvider, Object data, Map<String, String> parameters) {
+		String text = String.valueOf(data);
+		String soneKey = parameters.get("sone");
+		if (soneKey == null) {
+			soneKey = "sone";
+		}
+		Sone sone = (Sone) dataProvider.get(soneKey);
+		FreenetLinkParserContext context = new FreenetLinkParserContext(sone);
+		try {
+			return linkParser.parse(context, new StringReader(text));
+		} catch (IOException ioe1) {
+			/* no exceptions in a StringReader, ignore. */
+		}
+		return null;
+	}
+
+}
diff --git a/src/main/java/net/pterodactylus/sone/web/WebInterface.java b/src/main/java/net/pterodactylus/sone/web/WebInterface.java
index adcc17e..92aa998 100644
--- a/src/main/java/net/pterodactylus/sone/web/WebInterface.java
+++ b/src/main/java/net/pterodactylus/sone/web/WebInterface.java
@@ -50,6 +50,7 @@ import net.pterodactylus.sone.template.GetPagePlugin;
 import net.pterodactylus.sone.template.IdentityAccessor;
 import net.pterodactylus.sone.template.JavascriptFilter;
 import net.pterodactylus.sone.template.NotificationManagerAccessor;
+import net.pterodactylus.sone.template.ParserFilter;
 import net.pterodactylus.sone.template.PostAccessor;
 import net.pterodactylus.sone.template.ReplyAccessor;
 import net.pterodactylus.sone.template.RequestChangeFilter;
@@ -182,6 +183,7 @@ public class WebInterface implements CoreListener {
 		templateFactory.addFilter("match", new MatchFilter());
 		templateFactory.addFilter("css", new CssClassNameFilter());
 		templateFactory.addFilter("js", new JavascriptFilter());
+		templateFactory.addFilter("parse", new ParserFilter(templateFactory));
 		templateFactory.addPlugin("getpage", new GetPagePlugin());
 		templateFactory.addPlugin("paginate", new PaginationPlugin());
 		templateFactory.setTemplateProvider(new ClassPathTemplateProvider(templateFactory));
-- 
2.7.4