Clean up on all of our commands. Abstracted experience commands and

hardcore commands. Moved lots of duplicated code to functions in
CommandUtils.java. Split /ptp into individual commands, just like /party.
Used ternary logic to simplify some of our /skillname stat displays. Fixed
skill guide to not allow for negative pages. Simplified logic for many
/skillname data calculations. Use permission checks to prevent calculating
data that will never be displayed. Made the skill guide into its own
command.

src/main/java/com/gmail/nossr50/commands/experience/ExperienceCommand.java

@@ -0,0 +1,149 @@
+package com.gmail.nossr50.commands.experience;
+
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import com.gmail.nossr50.datatypes.player.McMMOPlayer;
+import com.gmail.nossr50.datatypes.player.PlayerProfile;
+import com.gmail.nossr50.datatypes.skills.SkillType;
+import com.gmail.nossr50.locale.LocaleLoader;
+import com.gmail.nossr50.util.commands.CommandUtils;
+import com.gmail.nossr50.util.player.UserManager;
+import com.gmail.nossr50.util.skills.SkillUtils;
+
+
+public abstract class ExperienceCommand implements CommandExecutor {
+    protected McMMOPlayer mcMMOPlayer;
+    protected Player player;
+    protected PlayerProfile profile;
+
+    protected boolean allSkills;
+    protected SkillType skill;
+    protected int value;
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        switch (args.length) {
+            case 2:
+                if (CommandUtils.noConsoleUsage(sender)) {
+                    return true;
+                }
+
+                if (!permissionsCheckSelf(sender)) {
+                    sender.sendMessage(command.getPermissionMessage());
+                    return true;
+                }
+
+                if (!validateArguments(sender, args[0], args[1])) {
+                    return true;
+                }
+
+                mcMMOPlayer = UserManager.getPlayer(sender.getName());
+                player = mcMMOPlayer.getPlayer();
+                profile = mcMMOPlayer.getProfile();
+
+                editValues();
+                return true;
+
+            case 3:
+                if (!permissionsCheckOthers(sender)) {
+                    sender.sendMessage(command.getPermissionMessage());
+                    return true;
+                }
+
+                if (!validateArguments(sender, args[1], args[2])) {
+                    return true;
+                }
+
+                mcMMOPlayer = UserManager.getPlayer(args[0]);
+
+                // If the mcMMOPlayer doesn't exist, create a temporary profile and check if it's present in the database. If it's not, abort the process.
+                if (mcMMOPlayer == null) {
+                    profile = new PlayerProfile(args[0], false);
+
+                    if (CommandUtils.unloadedProfile(sender, profile)) {
+                        return true;
+                    }
+
+                    editValues();
+                    profile.save(); // Since this is a temporary profile, we save it here.
+                }
+                else {
+                    profile = mcMMOPlayer.getProfile();
+                    editValues();
+                }
+
+                handleSenderMessage(sender, args[0]);
+                return true;
+
+            default:
+                return false;
+        }
+    }
+
+    protected abstract boolean permissionsCheckSelf(CommandSender sender);
+    protected abstract boolean permissionsCheckOthers(CommandSender sender);
+    protected abstract void handleCommand(SkillType skill);
+    protected abstract void handlePlayerMessageAll();
+    protected abstract void handlePlayerMessageSkill();
+
+    private boolean validateArguments(CommandSender sender, String skillName, String value) {
+        if (isInvalidInteger(sender, value) || isInvalidSkill(sender, skillName)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private boolean isInvalidInteger(CommandSender sender, String value) {
+        if (CommandUtils.isInvalidInteger(sender, value)) {
+            return true;
+        }
+
+        this.value = Integer.parseInt(value);
+        return false;
+    }
+
+    protected boolean isInvalidSkill(CommandSender sender, String skillName) {
+        if (skillName.equalsIgnoreCase("all")) {
+            allSkills = true;
+            return false;
+        }
+        else if (CommandUtils.isInvalidSkill(sender, skillName)) {
+            return true;
+        }
+
+        skill = SkillType.getSkill(skillName);
+        return false;
+    }
+
+    protected void handleSenderMessage(CommandSender sender, String playerName) {
+        if (allSkills) {
+            sender.sendMessage(LocaleLoader.getString("Commands.addlevels.AwardAll.2", playerName));
+        }
+        else {
+            sender.sendMessage(LocaleLoader.getString("Commands.addlevels.AwardSkill.2", SkillUtils.getSkillName(skill), playerName));
+        }
+    }
+
+    protected void editValues() {
+        if (allSkills) {
+            for (SkillType skillType : SkillType.values()) {
+                handleCommand(skillType);
+            }
+
+            if (player != null) {
+                handlePlayerMessageAll();
+            }
+        }
+        else {
+            handleCommand(skill);
+
+            if (player != null) {
+                handlePlayerMessageSkill();
+            }
+        }
+    }
+}