LuckPerms Integration (1/2)

This is part 1 of 2 of the luckperms integration for our switch to permissions.

commons/src/main/java/me/totalfreedom/totalfreedommod/rank/DisplayableGroup.java

@@ -0,0 +1,141 @@
+package me.totalfreedom.totalfreedommod.rank;
+
+import me.totalfreedom.totalfreedommod.TotalFreedomMod;
+import net.luckperms.api.model.group.Group;
+import net.md_5.bungee.api.ChatColor;
+import org.apache.commons.lang.StringUtils;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Locale;
+
+public class DisplayableGroup implements Displayable
+{
+    private final Group group;
+
+    private final String name;
+
+    private final String abbr;
+    private final String plural;
+    private final String article;
+
+    private final String tag;
+
+    private final String coloredTag;
+
+    private final ChatColor color;
+
+    private final org.bukkit.ChatColor teamColor;
+
+    private final boolean hasTeam;
+
+    private final boolean hasDefaultLoginMessage;
+
+    public DisplayableGroup(String group,
+                            String plural,
+                            String tag,
+                            ChatColor color,
+                            org.bukkit.ChatColor teamColor,
+                            boolean hasTeam,
+                            boolean hasDefaultLoginMessage)
+    {
+        Group matched = TotalFreedomMod.getPlugin().lpb.getAPI().getGroupManager().getGroup(group);
+
+        if (matched == null) {
+            throw new IllegalArgumentException("Group " + group + " does not exist!");
+        }
+
+        this.group = matched;
+        this.name = (matched.getDisplayName() != null) ? matched.getDisplayName() : matched.getName();
+        this.plural = plural;
+        this.article = StringUtils.startsWithAny(this.name.toLowerCase(Locale.ROOT), new String[]{"a", "e", "i", "o", "u"}) ? "an" : "a";
+        this.abbr = tag;
+        this.tag = "[" + tag + "]";
+        this.color = color;
+        this.teamColor = teamColor;
+        this.hasTeam = hasTeam;
+        this.coloredTag = ChatColor.DARK_GRAY + "[" + getColor() + getTag() + ChatColor.DARK_GRAY + "]" + getColor();
+        this.hasDefaultLoginMessage = hasDefaultLoginMessage;
+    }
+
+    public boolean isAtLeast(@NotNull DisplayableGroup rank)
+    {
+        return rank.getLuckPermsGroup().getWeight().orElse(0)
+                <= getLuckPermsGroup().getWeight().orElse(0);
+    }
+
+    public Group getLuckPermsGroup() {
+        return this.group;
+    }
+
+    @Override
+    public String getArticle()
+    {
+        return this.article;
+    }
+
+    @Override
+    public String getName()
+    {
+        return name;
+    }
+
+    @Override
+    public String getTag()
+    {
+        return tag;
+    }
+
+    @Override
+    public String getAbbr()
+    {
+        return abbr;
+    }
+
+    @Override
+    public String getPlural()
+    {
+        return plural;
+    }
+
+    @Override
+    public ChatColor getColor()
+    {
+        return color;
+    }
+
+    @Override
+    public org.bukkit.ChatColor getTeamColor()
+    {
+        return teamColor;
+    }
+
+    @Override
+    public String getColoredName()
+    {
+        return color + name;
+    }
+
+    @Override
+    public String getColoredTag()
+    {
+        return coloredTag;
+    }
+
+    @Override
+    public String getColoredLoginMessage()
+    {
+        return article + ' ' + color + name;
+    }
+
+    @Override
+    public boolean hasTeam()
+    {
+        return hasTeam;
+    }
+
+    @Override
+    public boolean hasDefaultLoginMessage()
+    {
+        return hasDefaultLoginMessage;
+    }
+}