vPlayersOnline: Customizable messages.

Text strings are read from a .properties file and parsed for color codes. Config file is created if it doesn't exist.

vPlayersOnline/com/gmail/nossr50/vPlayersOnline/Config.java

@@ -0,0 +1,78 @@
+
+package com.gmail.nossr50.vPlayersOnline;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Properties;
+
+/**
+ *
+ * @author Mark Tolley
+ */
+class Config
+{
+    public static String name;
+    private static final String CONFIG_FILE = "plugins/vPlayersOnline/vplayersonline.properties";
+
+    public static Properties loadConfig() {
+        Properties config = defaultConfig();
+
+        try {
+            config.load(new FileReader(CONFIG_FILE));
+        }
+        catch (FileNotFoundException e) {
+            System.out.println(name + ": Creating configuration file...");
+            config = defaultConfig();
+            writeConfig();
+        }
+        catch (IOException e) {
+            System.out.println(name + "s: An error occured reading configuration, using defaults.");
+            config = defaultConfig();
+        }
+
+        return config;
+    }
+
+    private static void writeConfig() {
+        File f = new File(CONFIG_FILE);
+        if (f.getParentFile().mkdirs()) {
+            try {
+                FileWriter fw = new FileWriter(f);
+                fw.write("# vPlayersOnline configuration file\r\n");
+                fw.write("# \r\n");
+                fw.write("# Color codes:\r\n");
+                fw.write("# &0 black\r\n");
+                fw.write("# &1 dark blue      &9 blue\r\n");
+                fw.write("# &2 dark green     &a green\r\n");
+                fw.write("# &3 dark aqua      &b aqua\r\n");
+                fw.write("# &4 dark red       &c red\r\n");
+                fw.write("# &5 dark pink      &d pink\r\n");
+                fw.write("# &6 dark yellow    &e yellow\r\n");
+                fw.write("# &7 light grey     &f white\r\n");
+                fw.write("# &8 dark grey\r\n");
+                fw.write("\r\n");
+                fw.write("PlayersOnline = &aThere are %d players online\r\n");
+                fw.write("PlayerList    = &cPlayer List &f(%s)\r\n");
+                fw.write("TotalPlayers  = &cTotal Players: &a%d\r\n");
+                fw.write("#1POnline      = &aThere is 1 player online.\r\n");
+                fw.write("1POnline      = &cNo one else is online.\r\n");
+                fw.close();
+            }
+            catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    private static Properties defaultConfig() {
+        Properties config = new Properties();
+        config.setProperty("PlayersOnline", "&aThere are %d players online");
+        config.setProperty("PlayerList", "&cPlayer List &f(%s)");
+        config.setProperty("TotalPlayers", "&cTotal Players: &a%d");
+        config.setProperty("1POnline", "&cNo one else is online.");
+        return config;
+    }
+}

vPlayersOnline/com/gmail/nossr50/vPlayersOnline/vPlayerListener.java

@@ -1,12 +1,11 @@
 package com.gmail.nossr50.vPlayersOnline;
 
+import java.util.Properties;
 import org.bukkit.entity.Player;
 import org.bukkit.event.player.PlayerChatEvent;
 import org.bukkit.event.player.PlayerEvent;
 import org.bukkit.event.player.PlayerListener;
 import org.bukkit.ChatColor;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 /**
  * Handle events for all Player related events
@@ -14,49 +13,90 @@ import java.util.logging.Logger;
  */
 public class vPlayerListener extends PlayerListener {
     private final vPlayersOnline plugin;
-    protected static final Logger log = Logger.getLogger("Minecraft");
+    private final String PlayersOnline;
+    private final String PlayerList;
+    private final String TotalPlayers;
+    private final String _1POnline;
 
-    public vPlayerListener(vPlayersOnline instance) {
+    public vPlayerListener(vPlayersOnline instance, Properties config) {
         plugin = instance;
+        PlayersOnline = parseColors(config.getProperty("PlayersOnline"));
+        PlayerList = parseColors(config.getProperty("PlayerList"));
+        TotalPlayers = parseColors(config.getProperty("TotalPlayers"));
+        _1POnline = parseColors(config.getProperty("1POnline"));
     }
+
     //Function to count the players
-    public int playerCount(){
+    private int playerCount(){
     	Player players[] = plugin.getServer().getOnlinePlayers();
-        int x = 0;
-        for(Player hurrdurr: players){
-         x++;
+        return players.length;
+    }
+
+    private static String parseColors(String str) {
+        final StringBuilder sb = new StringBuilder();
+
+        for (int i = 0; i < str.length(); ++i) {
+            char c = str.charAt(i);
+
+            if (c == '&') {
+                char next = str.charAt(i+1);
+                if (next == '&') {
+                    // literal &
+                    ++i;
+                } else {
+                    try {
+                        int color = Integer.parseInt(String.valueOf(next), 16);
+                        sb.append(ChatColor.getByCode(color));
+                        ++i;
+                        continue;
+                    } catch (NumberFormatException e) {}
+                }
+            }
+
+            sb.append(c);
         }
-        return x;
+
+        return sb.toString();
     }
 
     //Message to be sent when a player joins
+    @Override
     public void onPlayerJoin(PlayerEvent event) {
         Player player = event.getPlayer();
-        //English Version
-        player.sendMessage(ChatColor.GREEN + "There are " + playerCount() + " players online.");
+        int count = playerCount();
+
+        if (count == 1) {
+            player.sendMessage(_1POnline);
+        } else {
+            player.sendMessage(String.format(PlayersOnline, count));
         }
+    }
+
     //Message to be sent when a player uses /list
-    public void onPlayerCommand(PlayerChatEvent event) {
+    @Override
+    public void onPlayerCommandPreprocess(PlayerChatEvent event) {
     	String[] split = event.getMessage().split(" ");
         Player player = event.getPlayer();
         if(split[0].equalsIgnoreCase("/list") || split[0].equalsIgnoreCase("/who")){
-        	event.setCancelled(true);
-        	String tempList = "";
-        	int x = 0;
+            event.setCancelled(true);
+
+            int count = playerCount();
+            String tempList = "";
+            int x = 0;
             for(Player p : plugin.getServer().getOnlinePlayers())
             {
-            	if(p != null && x+1 >= playerCount()){
+            	if(p != null && x+1 >= count){
             		tempList+= p.getName();
             		x++;
             	}
-            	if(p != null && x < playerCount()){
+            	if(p != null && x < count){
             		tempList+= p.getName() +", ";
             		x++;
             	}
             }
             //Output the player list
-            player.sendMessage(ChatColor.RED + "Player List"+ChatColor.WHITE+" ("+ChatColor.WHITE + tempList+")");
-            player.sendMessage(ChatColor.RED + "Total Players: " + ChatColor.GREEN + playerCount());
+            player.sendMessage(String.format(PlayerList, tempList));
+            player.sendMessage(String.format(TotalPlayers, count));
         }
     }
     

vPlayersOnline/com/gmail/nossr50/vPlayersOnline/vPlayersOnline.java

@@ -1,16 +1,16 @@
 package com.gmail.nossr50.vPlayersOnline;
 
 import java.io.File;
-import java.util.HashMap;
-import org.bukkit.event.player.*;
-import org.bukkit.Server;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Properties;
 import org.bukkit.event.Event.Priority;
 import org.bukkit.event.Event;
 import org.bukkit.plugin.PluginDescriptionFile;
-import org.bukkit.plugin.PluginLoader;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.plugin.PluginManager;
-import org.bukkit.entity.Player;
 
 /**
  * vPlayersOnline for Bukkit
@@ -18,20 +18,31 @@ import org.bukkit.entity.Player;
  * @author nossr50
  */
 public class vPlayersOnline extends JavaPlugin {
-    private final vPlayerListener playerListener = new vPlayerListener(this);
-    private final String name = "vPlayersOnline";
+    private PluginDescriptionFile pdfFile;
+
+    private vPlayerListener playerListener;
+
+    public void onLoad() {
+
+    }
 
     public void onEnable() {
+        pdfFile = this.getDescription();
+        Config.name = pdfFile.getName();
+
+        Properties config = Config.loadConfig();
+        playerListener = new vPlayerListener(this, config);
+
         PluginManager pm = getServer().getPluginManager();
         pm.registerEvent(Event.Type.PLAYER_JOIN, playerListener, Priority.Normal, this);
         pm.registerEvent(Event.Type.PLAYER_DROP_ITEM, playerListener, Priority.Normal, this);
         pm.registerEvent(Event.Type.PLAYER_QUIT, playerListener, Priority.Normal, this);
-        pm.registerEvent(Event.Type.PLAYER_COMMAND, playerListener, Priority.Normal, this);
+        pm.registerEvent(Event.Type.PLAYER_COMMAND_PREPROCESS, playerListener, Priority.Normal, this);
+
         //Displays a message when plugin is loaded
-        PluginDescriptionFile pdfFile = this.getDescription();
-        System.out.println( pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!" );
+        System.out.println(Config.name + " version " + pdfFile.getVersion() + " is enabled!");
     }
     public void onDisable() {
-        System.out.println("vPlayersOnline disabled.");
+        System.out.println(Config.name + " disabled.");
     }
 }