Destination selection signs

src/main/java/sh/okx/railswitch/RailSwitch.java

@@ -1,14 +1,17 @@
 package sh.okx.railswitch;
 
 import com.google.common.base.CharMatcher;
+import org.bukkit.ChatColor;
 import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.entity.Player;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
 import sh.okx.railswitch.database.ConnectionPool;
 import sh.okx.railswitch.database.MySQLConnectionPool;
 import sh.okx.railswitch.database.RailSwitchDatabase;
 import sh.okx.railswitch.database.SQLiteConnectionPool;
 import sh.okx.railswitch.listener.DectorRailActivateListener;
+import sh.okx.railswitch.listener.SignInteractListener;
 
 public class RailSwitch extends JavaPlugin {
   private boolean timings;
@@ -27,6 +30,7 @@ public void onEnable() {
     PluginManager pm = getServer().getPluginManager();
 
     pm.registerEvents(new DectorRailActivateListener(this), this);
+    pm.registerEvents(new SignInteractListener(this), this);
     getCommand("setdestination").setExecutor(new SetDestinationCommand(this));
   }
 
@@ -67,6 +71,17 @@ public boolean isValidDestination(String message) {
         .or(CharMatcher.anyOf("!\"#$%&'()*+,-./;:<=>?@[]\\^_`{|}~")).matchesAllOf(message);
   }
 
+  public boolean setDestination(Player player, String dest) {
+    if (!isValidDestination(dest)) {
+      player.sendMessage(ChatColor.RED + "Destinations can not be more than 40 characters and may only use alphanumerical characters and ASCII symbols.");
+      return true;
+    }
+
+    getDatabase().setPlayerDestination(player, dest);
+    player.sendMessage(ChatColor.GREEN + "Set your rail destination to: " + dest);
+    return false;
+  }
+
   public boolean isTimings() {
     return timings;
   }

src/main/java/sh/okx/railswitch/SetDestinationCommand.java

@@ -28,13 +28,9 @@ public boolean onCommand(CommandSender sender, Command command, String label, St
     }
 
     String dest = args[0];
-    if (!plugin.isValidDestination(dest)) {
-      player.sendMessage(ChatColor.RED + "Destinations can not be more than 40 characters and may only use alphanumerical characters and ASCII symbols.");
-      return true;
-    }
 
-    plugin.getDatabase().setPlayerDestination(player, dest);
-    player.sendMessage(ChatColor.GREEN + "Set your rail destination to: " + dest);
+    plugin.setDestination(player, dest);
+
     return true;
   }
 }

src/main/java/sh/okx/railswitch/listener/SignInteractListener.java

@@ -0,0 +1,45 @@
+package sh.okx.railswitch.listener;
+
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.Sign;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+import sh.okx.railswitch.RailSwitch;
+public class SignInteractListener implements Listener {
+  private final RailSwitch plugin;
+
+  public SignInteractListener(RailSwitch plugin) {
+    this.plugin = plugin;
+  }
+
+  @EventHandler
+  public void on(PlayerInteractEvent e) {
+    if(e.getAction() == Action.RIGHT_CLICK_BLOCK) {
+      Block b = e.getClickedBlock();
+      if(b.getType() == Material.SIGN_POST || b.getType() == Material.WALL_SIGN) {
+        Sign s = (Sign) b.getState();
+        for(int i = 0; i < 4; i++) {
+          String line = s.getLine(i);
+          if(line.toLowerCase().startsWith("/dest ")) {
+            Player player = e.getPlayer();
+            String dest = line.substring(6);
+
+            if(!dest.isEmpty())
+              plugin.setDestination(player, dest);
+          } else if(i < 3 && line.toLowerCase().endsWith("/dest")) {
+            Player player = e.getPlayer();
+            String dest = s.getLine(i + 1);
+
+            if(!dest.isEmpty())
+              plugin.setDestination(player, dest);
+          }
+        }
+      }
+    }
+  }
+}