Deprecated CommandSender.isPlayer (instanceof!) and added ConsoleCommandSender

src/main/java/org/bukkit/command/CommandSender.java

@@ -20,6 +20,8 @@ public interface CommandSender {
      * Checks if this sender is a player
      *
      * @return true if they are
+     * @deprecated Use instanceof
      */
+    @Deprecated
     public boolean isPlayer();
 }

src/main/java/org/bukkit/command/ConsoleCommandSender.java

@@ -0,0 +1,19 @@
+
+package org.bukkit.command;
+
+/**
+ * Represents CLI input from a console
+ */
+public class ConsoleCommandSender implements CommandSender {
+    public void sendMessage(String message) {
+        System.out.println(message);
+    }
+
+    public boolean isOp() {
+        return true;
+    }
+
+    public boolean isPlayer() {
+        return false;
+    }
+}