Implement basic permissions system

src/main/java/wtf/beatrice/nounspicker/commands/subcommands/NounsCreateSubCommand.java

@@ -2,7 +2,9 @@ package wtf.beatrice.nounspicker.commands.subcommands;
 
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
+import wtf.beatrice.nounspicker.objects.Permission;
 import wtf.beatrice.nounspicker.utils.Cache;
+import wtf.beatrice.nounspicker.utils.PermissionManager;
 
 public class NounsCreateSubCommand
 {
@@ -11,6 +13,12 @@ public class NounsCreateSubCommand
                               @NotNull String[] args)
     {
 
+        if(!PermissionManager.hasPermission(sender, Permission.NOUNS_CREATE))
+        {
+            sender.sendMessage("No permission!");
+            return false;
+        }
+
         if(args.length < 3)
         {
             sender.sendMessage("usage: /nouns create <pronoun> <format>");

src/main/java/wtf/beatrice/nounspicker/commands/subcommands/NounsDeleteSubCommand.java

@@ -2,7 +2,9 @@ package wtf.beatrice.nounspicker.commands.subcommands;
 
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
+import wtf.beatrice.nounspicker.objects.Permission;
 import wtf.beatrice.nounspicker.utils.Cache;
+import wtf.beatrice.nounspicker.utils.PermissionManager;
 
 public class NounsDeleteSubCommand
 {
@@ -10,6 +12,12 @@ public class NounsDeleteSubCommand
     public static boolean run(@NotNull CommandSender sender,
                               @NotNull String[] args)
     {
+        if(!PermissionManager.hasPermission(sender, Permission.NOUNS_DELETE))
+        {
+            sender.sendMessage("No permission!");
+            return false;
+        }
+
         if(args.length < 2) {
             sender.sendMessage("usage: /nouns delete <pronoun>");
             return true;

src/main/java/wtf/beatrice/nounspicker/commands/subcommands/NounsListSubCommand.java

@@ -2,7 +2,9 @@ package wtf.beatrice.nounspicker.commands.subcommands;
 
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
+import wtf.beatrice.nounspicker.objects.Permission;
 import wtf.beatrice.nounspicker.utils.Cache;
+import wtf.beatrice.nounspicker.utils.PermissionManager;
 
 public class NounsListSubCommand
 {
@@ -12,6 +14,12 @@ public class NounsListSubCommand
     public static boolean run(@NotNull CommandSender sender)
     {
 
+        if(!PermissionManager.hasPermission(sender, Permission.NOUNS_LIST))
+        {
+            sender.sendMessage("No permission!");
+            return false;
+        }
+
         sender.sendMessage("Pronouns List:");
         for(int i = 0; i < Cache.pronouns.size(); i++) {
             String pronoun = Cache.pronouns.get(i);

src/main/java/wtf/beatrice/nounspicker/commands/subcommands/NounsSetSubCommand.java

@@ -2,7 +2,9 @@ package wtf.beatrice.nounspicker.commands.subcommands;
 
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
+import wtf.beatrice.nounspicker.objects.Permission;
 import wtf.beatrice.nounspicker.utils.Cache;
+import wtf.beatrice.nounspicker.utils.PermissionManager;
 
 public class NounsSetSubCommand
 {
@@ -10,6 +12,12 @@ public class NounsSetSubCommand
                     @NotNull String[] args)
     {
 
+        if(!PermissionManager.hasPermission(sender, Permission.NOUNS_SET))
+        {
+            sender.sendMessage("No permission!");
+            return false;
+        }
+
         if(args.length < 3)
         {
             sender.sendMessage("usage: /nouns set <main> <secondary>");

src/main/java/wtf/beatrice/nounspicker/commands/subcommands/NounsUpdateSubCmd.java

@@ -2,7 +2,9 @@ package wtf.beatrice.nounspicker.commands.subcommands;
 
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
+import wtf.beatrice.nounspicker.objects.Permission;
 import wtf.beatrice.nounspicker.utils.Cache;
+import wtf.beatrice.nounspicker.utils.PermissionManager;
 
 public class NounsUpdateSubCmd
 {
@@ -10,6 +12,12 @@ public class NounsUpdateSubCmd
 
     public static boolean run(@NotNull CommandSender sender,
                               @NotNull String[] args) {
+        
+        if(!PermissionManager.hasPermission(sender, Permission.NOUNS_UPDATE))
+        {
+            sender.sendMessage("No permission!");
+            return false;
+        }
 
 
         if (args.length < 3) {

src/main/java/wtf/beatrice/nounspicker/objects/Permission.java

@@ -0,0 +1,21 @@
+package wtf.beatrice.nounspicker.objects;
+
+public enum Permission {
+
+    NOUNS_SET("nouns.set"),
+    NOUNS_LIST("nouns.list"),
+    NOUNS_CREATE("nouns.create"),
+    NOUNS_DELETE("nouns.delete"),
+    NOUNS_UPDATE("nouns.update");
+
+
+    private String perm;
+    Permission(String perm) {
+        this.perm = perm;
+    }
+
+    public String getPerm() {
+        return perm;
+    }
+
+}

src/main/java/wtf/beatrice/nounspicker/utils/PermissionManager.java

@@ -0,0 +1,13 @@
+package wtf.beatrice.nounspicker.utils;
+
+import org.bukkit.command.CommandSender;
+import wtf.beatrice.nounspicker.objects.Permission;
+
+public class PermissionManager
+{
+
+    public static boolean hasPermission(CommandSender sender, Permission permission)
+    {
+        return sender.hasPermission(permission.getPerm());
+    }
+}