Added /snap before [date] and /snap after [date]. Example: /snap before last Monday 2am

src/com/sk89q/worldedit/snapshots/SnapshotDateParser.java

@@ -0,0 +1,38 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010, 2011 sk89q <http://www.sk89q.com>
+ *
+ * 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 com.sk89q.worldedit.snapshots;
+
+import java.io.File;
+import java.util.Calendar;
+
+/**
+ * A name parser attempts to make sense of a filename for a snapshot.
+ *
+ * @author sk89q
+ */
+public interface SnapshotDateParser {
+    /**
+     * Attempt to detect a date from a file.
+     * 
+     * @param file
+     * @return date or null
+     */
+    public Calendar detectDate(File file);
+}