generate default-ranks.json for customizable perms. perms system to be added soon

src/main/java/me/totalfreedom/plex/rank/RankManager.java

@@ -0,0 +1,55 @@
+package me.totalfreedom.plex.rank;
+
+import com.google.common.collect.Lists;
+import me.totalfreedom.plex.Plex;
+import me.totalfreedom.plex.rank.enums.Rank;
+import me.totalfreedom.plex.util.PlexLog;
+import org.json.JSONObject;
+
+import java.io.*;
+import java.util.List;
+
+public class RankManager
+{
+
+    private File defaultRanks;
+
+    public RankManager()
+    {
+        defaultRanks = new File(new File(Plex.get().getDataFolder() + File.separator + "ranks"), "default-ranks.json");
+    }
+
+    public void generateDefaultRanks()
+    {
+        if (defaultRanks.exists())
+        {
+            return;
+        } else {
+            try {
+                defaultRanks.createNewFile();
+
+                List<DefaultRankObj> ranks = Lists.newArrayList();
+                for (Rank rank : Rank.values())
+                {
+                    ranks.add(new DefaultRankObj(rank));
+                }
+
+                JSONObject obj = new JSONObject();
+                if (obj.length() == 0)
+                {
+                    obj.put("ranks", ranks);
+
+                    FileWriter writer = new FileWriter(defaultRanks);
+                    writer.append(obj.toString(4));
+                    writer.flush();
+                    writer.close();
+                    PlexLog.log("Generating default-ranks.json");
+                }
+
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+    }
+}