Add metric opt out toggle ingame.

Essentials/src/com/earth2me/essentials/Essentials.java

@@ -24,6 +24,7 @@ import com.earth2me.essentials.commands.EssentialsCommand;
 import com.earth2me.essentials.commands.IEssentialsCommand;
 import com.earth2me.essentials.commands.NoChargeException;
 import com.earth2me.essentials.commands.NotEnoughArgumentsException;
+import com.earth2me.essentials.metrics.Metrics;
 import com.earth2me.essentials.metrics.MetricsListener;
 import com.earth2me.essentials.metrics.MetricsStarter;
 import com.earth2me.essentials.perm.PermissionsHandler;
@@ -84,6 +85,7 @@ public class Essentials extends JavaPlugin implements IEssentials
 	private transient UserMap userMap;
 	private transient ExecuteTimer execTimer;
 	private transient I18n i18n;
+	private transient Metrics metrics;
 
 	@Override
 	public ISettings getSettings()
@@ -239,13 +241,13 @@ public class Essentials extends JavaPlugin implements IEssentials
 		getScheduler().scheduleSyncRepeatingTask(this, timer, 1, 100);
 		Economy.setEss(this);
 		execTimer.mark("RegListeners");
-
+		
 		final MetricsStarter metricsStarter = new MetricsStarter(this);
-		if (metricsStarter.getStart())
+		if (metricsStarter.getStart() != null && metricsStarter.getStart() == true)
 		{
 			getScheduler().scheduleAsyncDelayedTask(this, metricsStarter, 1);
 		}
-		else if (metricsStarter.getStart() == false)
+		else if (metricsStarter.getStart() != null && metricsStarter.getStart() == false)
 		{
 			final MetricsListener metricsListener = new MetricsListener(this, metricsStarter);
 			pm.registerEvents(metricsListener, this);
@@ -449,6 +451,16 @@ public class Essentials extends JavaPlugin implements IEssentials
 		return backup;
 	}
 
+	public Metrics getMetrics()
+	{
+		return metrics;
+	}
+
+	public void setMetrics(Metrics metrics)
+	{
+		this.metrics = metrics;
+	}
+
 	@Override
 	public User getUser(final Object base)
 	{

Essentials/src/com/earth2me/essentials/IEssentials.java

@@ -1,6 +1,7 @@
 package com.earth2me.essentials;
 
 import com.earth2me.essentials.api.IJails;
+import com.earth2me.essentials.metrics.Metrics;
 import com.earth2me.essentials.perm.PermissionsHandler;
 import com.earth2me.essentials.register.payment.Methods;
 import org.bukkit.World;
@@ -65,4 +66,9 @@ public interface IEssentials extends Plugin
 	ItemDb getItemDb();
 
 	UserMap getUserMap();
+	
+	Metrics getMetrics();
+	
+	void setMetrics(Metrics metrics);
+	
 }

Essentials/src/com/earth2me/essentials/commands/Commandessentials.java

@@ -2,8 +2,12 @@ package com.earth2me.essentials.commands;
 
 import static com.earth2me.essentials.I18n._;
 import com.earth2me.essentials.Util;
+import com.earth2me.essentials.metrics.Metrics;
+import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.Server;
@@ -40,6 +44,10 @@ public class Commandessentials extends EssentialsCommand
 		{
 			run_moo(server, sender, commandLabel, args);
 		}
+		else if (args[0].equalsIgnoreCase("opt-out"))
+		{
+			run_optout(server, sender, commandLabel, args);
+		}
 		else {
 			run_reload(server, sender, commandLabel, args);
 		}
@@ -171,4 +179,19 @@ public class Commandessentials extends EssentialsCommand
 		else
 			sender.sendMessage(new String[]{"            (__)", "            (oo)", "   /------\\/", "  /  |      | |", " *  /\\---/\\", "    ~~    ~~", "....\"Have you mooed today?\"..." } );
 	}
+	
+	private void run_optout(final Server server, final CommandSender sender, final String command, final String args[])
+	{
+		final Metrics metrics = ess.getMetrics();
+		try
+		{
+			sender.sendMessage("Essentials collects simple metrics to highlight which features to concentrate work on in the future.");
+			metrics.setOptOut(!metrics.isOptOut());			
+			sender.sendMessage("Annonmous Metrics are now: " + (metrics.isOptOut() ? "disabled" : "enabled"));
+		}
+		catch (IOException ex)
+		{
+			sender.sendMessage("Unable to modify 'plugins/PluginMetrics/config.yml': " + ex.getMessage());
+		}
+	}
 }

Essentials/src/com/earth2me/essentials/metrics/Metrics.java

@@ -97,7 +97,11 @@ public class Metrics
 	/**
 	 * The plugin configuration file
 	 */
-	private final YamlConfiguration configuration;
+	private final YamlConfiguration configuration;	
+	/**
+	 * The plugin configuration file
+	 */
+	private final File configurationFile;
 	/**
 	 * Unique server id
 	 */
@@ -113,8 +117,8 @@ public class Metrics
 		this.plugin = plugin;
 
 		// load the config
-		File file = new File(CONFIG_FILE);
+		configurationFile = new File(CONFIG_FILE);
-		configuration = YamlConfiguration.loadConfiguration(file);
+		configuration = YamlConfiguration.loadConfiguration(configurationFile);
 
 		// add some defaults
 		configuration.addDefault("opt-out", false);
@@ -124,7 +128,7 @@ public class Metrics
 		if (configuration.get("guid", null) == null)
 		{
 			configuration.options().header("http://metrics.griefcraft.com").copyDefaults(true);
-			configuration.save(file);
+			configuration.save(configurationFile);
 		}
 
 		// Load the guid then
@@ -178,6 +182,12 @@ public class Metrics
 	{
 		return configuration.getBoolean("opt-out", false);
 	}
+	
+	public void setOptOut(final boolean toggle) throws IOException
+	{
+		configuration.set("opt-out", toggle);
+		configuration.save(configurationFile);
+	}
 
 	/**
 	 * Start measuring statistics. This will immediately create an async repeating task as the plugin and send the

Essentials/src/com/earth2me/essentials/metrics/MetricsListener.java

@@ -31,7 +31,7 @@ public class MetricsListener implements Listener
 		if (ess.getSettings().isMetricsEnabled() == false && (player.isAuthorized("essentials.essentials") || player.isAuthorized("bukkit.broadcast.admin")))
 		{
 			player.sendMessage("PluginMetrics collects minimal statistic data, starting in about 5 minutes.");
-			player.sendMessage("To opt out, edit plugins/PluginMetrics/config.yml.");
+			player.sendMessage("To opt out, run /essentials opt-out");
 			ess.getLogger().log(Level.INFO, "[Metrics] Admin join - Starting 5 minute opt-out period.");
 			ess.getSettings().setMetricsEnabled(true);
 			ess.getScheduler().scheduleAsyncDelayedTask(ess, starter, 5 * 1200);

Essentials/src/com/earth2me/essentials/metrics/MetricsStarter.java

@@ -29,7 +29,9 @@ public class MetricsStarter implements Runnable
 		ess = plugin;
 		try
 		{
+
 			final Metrics metrics = new Metrics(ess);
+			ess.setMetrics(metrics);
 
 			if (!metrics.isOptOut())
 			{
@@ -40,14 +42,14 @@ public class MetricsStarter implements Runnable
 				else
 				{
 					ess.getLogger().info("This plugin collects minimal statistic data and sends it to http://metrics.essentials3.net.");
-					ess.getLogger().info("You can opt out by changing plugins/PluginMetrics/config.yml, set opt-out to true.");
+					ess.getLogger().info("You can opt out by running /essentials opt-out");
 					ess.getLogger().info("This will start 5 minutes after the first admin/op joins.");
 					start = false;
 				}
 				return;
 			}
 		}
-		catch (IOException ex)
+		catch (Exception ex)
 		{
 			metricsError(ex);
 		}
@@ -58,9 +60,9 @@ public class MetricsStarter implements Runnable
 	{
 		try
 		{
-			final Metrics metrics = new Metrics(ess);
+			final Metrics metrics = ess.getMetrics();
 
-			Graph moduleGraph = metrics.createGraph("Modules Used");
+			final Graph moduleGraph = metrics.createGraph("Modules Used");
 			for (Modules module : Modules.values())
 			{
 				final String moduleName = module.toString();
@@ -70,10 +72,10 @@ public class MetricsStarter implements Runnable
 				}
 			}
 
-			Graph localeGraph = metrics.createGraph("Locale");
+			final Graph localeGraph = metrics.createGraph("Locale");
 			localeGraph.addPlotter(new SimplePlotter(ess.getI18n().getCurrentLocale().getDisplayLanguage(Locale.ENGLISH)));
 
-			Graph featureGraph = metrics.createGraph("Features");
+			final Graph featureGraph = metrics.createGraph("Features");
 			featureGraph.addPlotter(new Plotter("Unique Accounts")
 			{
 				@Override
@@ -102,13 +104,13 @@ public class MetricsStarter implements Runnable
 			metrics.start();
 
 		}
-		catch (IOException ex)
+		catch (Exception ex)
 		{
 			metricsError(ex);
 		}
 	}
 
-	public void metricsError(IOException ex)
+	public void metricsError(final Exception ex)
 	{
 		if (ess.getSettings().isDebug())
 		{