Add filter to pipe arbitrary text through the link parser.

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 (file)
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 (file)
--- 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));