From 367edf1b6da27a73e1f822d7087a3a764ebff3e8 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Thu, 14 Mar 2013 19:54:34 +0100
Subject: [PATCH] Add filter interface.

---
 .../net/pterodactylus/sonitus/data/Filter.java     | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 src/main/java/net/pterodactylus/sonitus/data/Filter.java

diff --git a/src/main/java/net/pterodactylus/sonitus/data/Filter.java b/src/main/java/net/pterodactylus/sonitus/data/Filter.java
new file mode 100644
index 0000000..94c986c
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sonitus/data/Filter.java
@@ -0,0 +1,47 @@
+/*
+ * Sonitus - Filter.java - Copyright © 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
+ * 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.sonitus.data;
+
+/**
+ * A filter processes an input to produce an output.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public interface Filter {
+
+	/**
+	 * Returns whether this filter understands the given format.
+	 *
+	 * @param format
+	 * 		The format to check for
+	 * @return {@code true} if this filter understands the given format, {@code
+	 *         false} otherwise
+	 */
+	boolean understands(Format format);
+
+	/**
+	 * Returns whether this filter can produce the given format.
+	 *
+	 * @param format
+	 * 		The format to check for
+	 * @return {@code true} if this filter can produce the given format, {@code
+	 *         false} otherwise
+	 */
+	boolean produces(Format format);
+
+}
-- 
2.7.4