Added /snap before [date] and /snap after [date]. Example: /snap befo…

…re last Monday 2am

LICENSE.txt

@@ -168,8 +168,6 @@ permanent authorization for you to choose that version for the
 Library.
 
 
-
-
 JNBT License
 ------------
 
@@ -203,28 +201,27 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE. 
 
 
+JChronic License
+----------------
 
+The MIT License
 
-JOpt Simple License
--------------------
-
-Copyright (c) 2009 Paul R. Holser, Jr.
+Copyright (c) 2009 Mike Schrag, Sam Tingleff
 
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

NOTICE.txt

@@ -5,4 +5,6 @@ This product includes software from WorldEdit
 
 This product includes software from JOpt Simple, under the MIT license.
 
-This product includes software by toi.
+This product includes software by toi.
+
+This product includes software from JChronic, under the MIT license.

build.xml

@@ -17,6 +17,7 @@
     <include name="Permissions.jar" />
     <include name="js.jar" />
     <include name="worldeditsunrhino.jar" />
+    <include name="jchronic.jar" />
   </fileset>
 
   <target name="init">
@@ -48,7 +49,8 @@
     <mkdir dir="${build.dir}/defaults"/>
     <copy tofile="${build.dir}/defaults/config.yml" file="config.yml"/>
     <jar jarfile="${dist.dir}/WorldEdit.jar" basedir="${build.dir}" manifest="manifest.mf">
-        <zipgroupfileset dir="lib" includes="worldeditsunrhino.jar" />
+      <zipgroupfileset dir="lib" includes="worldeditsunrhino.jar" />
+      <zipgroupfileset dir="lib" includes="jchronic.jar" />
     </jar>
   </target>
 

src/com/sk89q/worldedit/LocalSession.java

@@ -19,9 +19,15 @@
 
 package com.sk89q.worldedit;
 
+import java.util.Calendar;
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.Map;
+import java.util.TimeZone;
+import com.sk89q.jchronic.Chronic;
+import com.sk89q.jchronic.Options;
+import com.sk89q.jchronic.utils.Span;
+import com.sk89q.jchronic.utils.Time;
 import com.sk89q.worldedit.snapshots.Snapshot;
 import com.sk89q.worldedit.tools.BrushTool;
 import com.sk89q.worldedit.tools.SinglePickaxe;
@@ -65,7 +71,8 @@ public class LocalSession {
     private String lastScript;
     private boolean beenToldVersion = false;
     private boolean hasCUISupport = false;
-
+    private TimeZone timezone = TimeZone.getDefault();
+
     /**
      * Construct the object.
      * 
@@ -74,6 +81,24 @@ public class LocalSession {
     public LocalSession(LocalConfiguration config) {
         this.config = config;
     }
+
+    /**
+     * Get the session's timezone.
+     * 
+     * @return
+     */
+    public TimeZone getTimeZone() {
+        return timezone;
+    }
+
+    /**
+     * Set the session's timezone.
+     * 
+     * @param timezone 
+     */
+    public void setTimezone(TimeZone timezone) {
+        this.timezone = timezone;
+    }
 
     /**
      * Clear history.
@@ -572,4 +597,22 @@ public void dispatchCUISelection(LocalPlayer player) {
     public void setCUISupport(boolean support) {
         hasCUISupport = true;
     }
+
+    /**
+     * Detect date from a user's input.
+     * 
+     * @param input
+     * @return
+     */
+    public Calendar detectDate(String input) {
+        Time.setTimeZone(getTimeZone());
+        Options opt = new com.sk89q.jchronic.Options();
+        opt.setNow(Calendar.getInstance(getTimeZone()));
+        Span date = Chronic.parse(input, opt);
+        if (date == null) {
+            return null;
+        } else {
+            return date.getBeginCalendar();
+        }
+    }
 }

src/com/sk89q/worldedit/commands/SnapshotCommands.java

@@ -21,6 +21,10 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.List;
 import java.util.logging.Logger;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
@@ -36,6 +40,7 @@
  */
 public class SnapshotCommands {
     private static Logger logger = Logger.getLogger("Minecraft.WorldEdit");
+    private static DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
 
     @Command(
         aliases = {"list"},
@@ -55,11 +60,11 @@ public static void list(CommandContext args, WorldEdit we,
             Math.min(40, Math.max(5, args.getInteger(0))) : 5;
 
         if (config.snapshotRepo != null) {
-            Snapshot[] snapshots = config.snapshotRepo.getSnapshots();
+            List<Snapshot> snapshots = config.snapshotRepo.getSnapshots(true);
 
-            if (snapshots.length > 0) {
-                for (byte i = 0; i < Math.min(num, snapshots.length); i++) {
-                    player.print((i + 1) + ". " + snapshots[i].getName());
+            if (snapshots.size() > 0) {
+                for (byte i = 0; i < Math.min(num, snapshots.size()); i++) {
+                    player.print((i + 1) + ". " + snapshots.get(i).getName());
                 }
 
                 player.print("Use /snap use [snapshot] or /snap use latest.");
@@ -123,4 +128,78 @@ public static void use(CommandContext args, WorldEdit we,
             }
         }
     }
+
+    @Command(
+        aliases = {"before"},
+        usage = "<date>",
+        desc = "Choose the nearest snapshot before a date",
+        min = 1,
+        max = -1
+    )
+    @CommandPermissions({"worldedit.snapshots.restore"})
+    public static void before(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+
+        LocalConfiguration config = we.getConfiguration();
+
+        if (config.snapshotRepo == null) {
+            player.printError("Snapshot/backup restore is not configured.");
+            return;
+        }
+
+        Calendar date = session.detectDate(args.getJoinedStrings(0));
+
+        if (date == null) {
+            player.printError("Could not detect the date inputted.");
+        } else {
+            dateFormat.setTimeZone(session.getTimeZone());
+
+            Snapshot snapshot = config.snapshotRepo.getSnapshotBefore(date);
+            if (snapshot == null) {
+                player.printError("Couldn't find a snapshot before "
+                        + dateFormat.format(date.getTime()) + ".");
+            } else {
+                session.setSnapshot(snapshot);
+                player.print("Snapshot set to: " + snapshot.getName());
+            }
+        }
+    }
+
+    @Command(
+        aliases = {"after"},
+        usage = "<date>",
+        desc = "Choose the nearest snapshot after a date",
+        min = 1,
+        max = -1
+    )
+    @CommandPermissions({"worldedit.snapshots.restore"})
+    public static void after(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+
+        LocalConfiguration config = we.getConfiguration();
+
+        if (config.snapshotRepo == null) {
+            player.printError("Snapshot/backup restore is not configured.");
+            return;
+        }
+
+        Calendar date = session.detectDate(args.getJoinedStrings(0));
+
+        if (date == null) {
+            player.printError("Could not detect the date inputted.");
+        } else {
+            dateFormat.setTimeZone(session.getTimeZone());
+
+            Snapshot snapshot = config.snapshotRepo.getSnapshotAfter(date);
+            if (snapshot == null) {
+                player.printError("Couldn't find a snapshot after "
+                        + dateFormat.format(date.getTime()) + ".");
+            } else {
+                session.setSnapshot(snapshot);
+                player.print("Snapshot set to: " + snapshot.getName());
+            }
+        }
+    }
 }

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

@@ -0,0 +1,35 @@
+// $Id$
+/*
+ * 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;
+import java.util.GregorianCalendar;
+
+public class ModificationTimerParser implements SnapshotDateParser {
+
+    @Override
+    public Calendar detectDate(File file) {
+        Calendar cal = new GregorianCalendar();
+        cal.setTimeInMillis(file.lastModified());
+        return cal;
+    }
+
+}

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

@@ -21,23 +21,28 @@
 
 import com.sk89q.worldedit.data.*;
 import java.io.*;
+import java.util.Calendar;
 import java.util.logging.Logger;
 
 /**
  *
  * @author sk89q
  */
-public class Snapshot {
+public class Snapshot implements Comparable<Snapshot> {
     protected static Logger logger = Logger.getLogger("Minecraft.WorldEdit");
 
     /**
      * Stores snapshot file.
      */
-    private File file;
+    protected File file;
     /**
      * Name of the snapshot;
      */
-    private String name;
+    protected String name;
+    /**
+     * Stores the date associated with the snapshot.
+     */
+    protected Calendar date;
 
     /**
      * Construct a snapshot restoration operation.
@@ -125,4 +130,48 @@ public ChunkStore _getChunkStore() throws IOException, DataException {
     public String getName() {
         return name;
     }
+
+    /**
+     * Get the file for the snapshot.
+     * 
+     * @return
+     */
+    public File getFile() {
+        return file;
+    }
+
+    /**
+     * Get the date associated with this snapshot.
+     * 
+     * @return
+     */
+    public Calendar getDate() {
+        return date;
+    }
+
+    /**
+     * Set the date of the snapshot.
+     * 
+     * @param date
+     */
+    public void setDate(Calendar date) {
+        this.date = date;
+    }
+
+    @Override
+    public int compareTo(Snapshot o) {
+        if (o.date == null || date == null) {
+            return name.compareTo(o.name);
+        } else {
+            return date.compareTo(o.date);
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o instanceof Snapshot) {
+            return file.equals(((Snapshot) o).file);
+        }
+        return false;
+    }
 }