From 89fe86e5fa64ad57b90b9b898e4fc03d29da5a63 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Sat, 18 Jul 2015 17:29:17 +0200
Subject: [PATCH] Add reparse filter

---
 .../net/pterodactylus/sone/main/ReparseFilter.java | 33 ++++++++++++++++++++++
 .../net/pterodactylus/sone/web/WebInterface.java   |  2 ++
 .../pterodactylus/sone/main/ReparseFilterTest.java | 29 +++++++++++++++++++
 3 files changed, 64 insertions(+)
 create mode 100644 src/main/java/net/pterodactylus/sone/main/ReparseFilter.java
 create mode 100644 src/test/java/net/pterodactylus/sone/main/ReparseFilterTest.java

diff --git a/src/main/java/net/pterodactylus/sone/main/ReparseFilter.java b/src/main/java/net/pterodactylus/sone/main/ReparseFilter.java
new file mode 100644
index 0000000..acad00b
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/main/ReparseFilter.java
@@ -0,0 +1,33 @@
+package net.pterodactylus.sone.main;
+
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.util.Map;
+
+import net.pterodactylus.util.template.Filter;
+import net.pterodactylus.util.template.Template;
+import net.pterodactylus.util.template.TemplateContext;
+import net.pterodactylus.util.template.TemplateException;
+import net.pterodactylus.util.template.TemplateParser;
+
+/**
+ * Takes the input and parses it as a new {@link Template}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class ReparseFilter implements Filter {
+
+	@Override
+	public Object format(TemplateContext templateContext, Object data, Map<String, Object> parameters) {
+		Template template = TemplateParser.parse(new StringReader(String.valueOf(data)));
+		StringWriter stringWriter = new StringWriter();
+		try {
+			template.render(templateContext, stringWriter);
+		} catch (TemplateException e) {
+			throw new RuntimeException(e);
+		} finally {
+			return stringWriter.toString();
+		}
+	}
+
+}
diff --git a/src/main/java/net/pterodactylus/sone/web/WebInterface.java b/src/main/java/net/pterodactylus/sone/web/WebInterface.java
index 1ce8f8e..e813179 100644
--- a/src/main/java/net/pterodactylus/sone/web/WebInterface.java
+++ b/src/main/java/net/pterodactylus/sone/web/WebInterface.java
@@ -72,6 +72,7 @@ import net.pterodactylus.sone.data.Sone;
 import net.pterodactylus.sone.freenet.L10nFilter;
 import net.pterodactylus.sone.freenet.wot.Identity;
 import net.pterodactylus.sone.freenet.wot.Trust;
+import net.pterodactylus.sone.main.ReparseFilter;
 import net.pterodactylus.sone.main.SonePlugin;
 import net.pterodactylus.sone.notify.ListNotification;
 import net.pterodactylus.sone.template.AlbumAccessor;
@@ -274,6 +275,7 @@ public class WebInterface {
 		templateContextFactory.addFilter("css", new CssClassNameFilter());
 		templateContextFactory.addFilter("js", new JavascriptFilter());
 		templateContextFactory.addFilter("parse", parserFilter = new ParserFilter(getCore(), templateContextFactory, soneTextParser));
+		templateContextFactory.addFilter("reparse", new ReparseFilter());
 		templateContextFactory.addFilter("unknown", new UnknownDateFilter(getL10n(), "View.Sone.Text.UnknownDate"));
 		templateContextFactory.addFilter("format", new FormatFilter());
 		templateContextFactory.addFilter("sort", new CollectionSortFilter());
diff --git a/src/test/java/net/pterodactylus/sone/main/ReparseFilterTest.java b/src/test/java/net/pterodactylus/sone/main/ReparseFilterTest.java
new file mode 100644
index 0000000..879fe36
--- /dev/null
+++ b/src/test/java/net/pterodactylus/sone/main/ReparseFilterTest.java
@@ -0,0 +1,29 @@
+package net.pterodactylus.sone.main;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+import java.util.Collections;
+
+import net.pterodactylus.util.template.TemplateContext;
+
+import org.junit.Test;
+
+/**
+ * Unit test for {@link ReparseFilter}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class ReparseFilterTest {
+
+	private final ReparseFilter reparseFilter = new ReparseFilter();
+
+	@Test
+	public void filterParsesTemplateCorrectly() {
+		TemplateContext templateContext = new TemplateContext();
+		templateContext.set("bar", "baz");
+		assertThat(reparseFilter.format(templateContext, "foo <% bar>", Collections.<String, Object>emptyMap()),
+				is((Object) "foo baz"));
+	}
+
+}
-- 
2.7.4