Added search to help command! Thanks @AkiTensai!

src/main/java/com/onarandombox/MultiverseCore/commands/HelpCommand.java

@@ -3,6 +3,7 @@ package com.onarandombox.MultiverseCore.commands;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.regex.Pattern;
 
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
@@ -18,11 +19,14 @@ public class HelpCommand extends MultiverseCommand {
     public HelpCommand(MultiverseCore plugin) {
         super(plugin);
         this.setName("Get Help with Multiverse");
-        this.setCommandUsage("/mv " + ChatColor.GOLD + "[PAGE #]");
-        this.setArgRange(0, 1);
+        this.setCommandUsage("/mv " + ChatColor.GOLD + "[FILTER] [PAGE #]");
+        this.setArgRange(0, 2);
         this.addKey("mv");
+        this.addKey("mvh");
         this.addKey("mvhelp");
         this.addKey("mv help");
+        this.addKey("mvsearch");
+        this.addKey("mv search");
         this.setPermission("multiverse.help", "Displays a nice help menu.", PermissionDefault.TRUE);
     }
 
@@ -30,16 +34,38 @@ public class HelpCommand extends MultiverseCommand {
     public void runCommand(CommandSender sender, List<String> args) {
         sender.sendMessage(ChatColor.AQUA + "====[ Multiverse Help ]====");
 
-
         int page = 1;
-        if (args.size() == 1) {
+
+        String filter = "";
+
+        if (args.size() == 0)
+        {
+            filter = "";
+            page = 1;
+        } else if (args.size() == 1) {
             try {
                 page = Integer.parseInt(args.get(0));
-            } catch (NumberFormatException e) {
+            } catch (NumberFormatException ex) {
+                filter = args.get(0);
+                page = 1;
+            }
+        } else if (args.size() == 2) {
+            filter = args.get(0);
+            try {
+                page = Integer.parseInt(args.get(1));
+            } catch (NumberFormatException ex) {
+                page = 1;
             }
         }
 
         List<Command> availableCommands = new ArrayList<Command>(this.plugin.getCommandHandler().getCommands(sender));
+        if (filter.length() > 0) {
+            availableCommands = this.getFilteredCommands(availableCommands, filter);
+            if (availableCommands.size() == 0) {
+                sender.sendMessage(ChatColor.RED + "Sorry... " + ChatColor.WHITE + "No commands matched your filter: " + ChatColor.AQUA + filter);
+                return;
+            }
+        }
 
         if (!(sender instanceof Player)) {
             sender.sendMessage(ChatColor.AQUA + " Add a '" + ChatColor.DARK_PURPLE + "?" + ChatColor.AQUA + "' after a command to see more about it.");
@@ -62,6 +88,33 @@ public class HelpCommand extends MultiverseCommand {
 
     }
 
+    private List<Command> getFilteredCommands(List<Command> availableCommands, String filter) {
+        List<Command> filtered = new ArrayList<Command>();
+        Pattern regex = Pattern.compile("regex", Pattern.CASE_INSENSITIVE);
+        
+        
+        for (Command c : availableCommands) {
+            if (stitchThisString(c.getKeys()).matches("(?i).*" + filter + ".*")) {
+                filtered.add(c);
+            } else if (c.getCommandName().matches("(?i).*" + filter + ".*")) {
+                filtered.add(c);
+            } else if (c.getCommandDesc().matches("(?i).*" + filter + ".*")) {
+                filtered.add(c);
+            }else if (c.getCommandUsage().matches("(?i).*" + filter + ".*")) {
+                filtered.add(c);    
+            }
+        }
+        return filtered;
+    }
+
+    private String stitchThisString(List<String> list) {
+        String returnstr = "";
+        for (String s : list) {
+            returnstr += s + " ";
+        }
+        return returnstr;
+    }
+
     private void showPage(int page, CommandSender sender, List<Command> cmds) {
         int start = (page - 1) * CMDS_PER_PAGE;
         int end = start + CMDS_PER_PAGE;

src/main/resources/plugin.yml

@@ -167,6 +167,18 @@ commands:
     usage: |
             /<command>
   mvco:
+    description: Prints out version invo.
+    usage: |
+            /<command>
+  mvh:
+    description: Prints out version invo.
+    usage: |
+            /<command>
+  mvsearch:
+    description: Prints out version invo.
+    usage: |
+            /<command>
+  mvhelp:
     description: Prints out version invo.
     usage: |
             /<command>