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Rewrote ServiceChecker, fixed NPE there

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Jerome van der Sar 2013-11-30 20:44:08 +01:00
parent 6fca19fa41
commit 7ce052900e
7 changed files with 393 additions and 261 deletions
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4
buildnumber.properties
View File

@ -1,3 +1,3 @@
#Build Number for ANT. Do not edit! #Build Number for ANT. Do not edit!
#Sat Nov 30 16:57:41 CET 2013 #Sat Nov 30 20:40:55 CET 2013
build.number=622 build.number=636

8
src/me/StevenLawson/TotalFreedomMod/Commands/Command_services.java
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@ -1,7 +1,7 @@
package me.StevenLawson.TotalFreedomMod.Commands; package me.StevenLawson.TotalFreedomMod.Commands;
import me.StevenLawson.TotalFreedomMod.TFM_ServiceChecker; import me.StevenLawson.TotalFreedomMod.TFM_ServiceChecker;
import me.StevenLawson.TotalFreedomMod.TFM_ServiceChecker.TFM_ServiceChecker_ServiceStatus; import me.StevenLawson.TotalFreedomMod.TFM_ServiceChecker.ServiceStatus;
import org.bukkit.ChatColor; import org.bukkit.ChatColor;
import org.bukkit.command.Command; import org.bukkit.command.Command;
import org.bukkit.command.CommandSender; import org.bukkit.command.CommandSender;
@ -16,12 +16,12 @@ public class Command_services extends TFM_Command
{ {
playerMsg("Mojang Services" + ChatColor.WHITE + ":", ChatColor.BLUE); playerMsg("Mojang Services" + ChatColor.WHITE + ":", ChatColor.BLUE);
for (TFM_ServiceChecker_ServiceStatus service : TFM_ServiceChecker.getInstance().getAllStatuses()) for (ServiceStatus service : TFM_ServiceChecker.getInstance().getAllStatuses())
{ {
playerMsg(service.getFormattedStatus()); playerMsg(service.getFormattedStatus());
} }
playerMsg("Version" + ChatColor.WHITE + ": " + TFM_ServiceChecker.getInstance().version, ChatColor.DARK_PURPLE); playerMsg("Version" + ChatColor.WHITE + ": " + TFM_ServiceChecker.getInstance().getVersion(), ChatColor.DARK_PURPLE);
playerMsg("Last Check" + ChatColor.WHITE + ": " + TFM_ServiceChecker.getInstance().lastCheck, ChatColor.DARK_PURPLE); playerMsg("Last Check" + ChatColor.WHITE + ": " + TFM_ServiceChecker.getInstance().getLastCheck(), ChatColor.DARK_PURPLE);
return true; return true;
} }

137
src/me/StevenLawson/TotalFreedomMod/TFM_ServiceChecker.java
View File

@ -2,8 +2,10 @@ package me.StevenLawson.TotalFreedomMod;
import java.io.BufferedReader; import java.io.BufferedReader;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL; import java.net.URL;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap; import java.util.HashMap;
import java.util.Iterator; import java.util.Iterator;
import java.util.List; import java.util.List;
@ -17,28 +19,24 @@ import org.json.simple.JSONValue;
public class TFM_ServiceChecker public class TFM_ServiceChecker
{ {
public final Map<String, TFM_ServiceChecker_ServiceStatus> services = new HashMap<String, TFM_ServiceChecker_ServiceStatus>(); public final Map<String, ServiceStatus> services = new HashMap<String, ServiceStatus>();
public String lastCheck = "Unknown"; private URL url;
public String version = "1.0-Mojang"; private String lastCheck = "Unknown";
private String version = "1.0-Mojang";
public TFM_ServiceChecker() public TFM_ServiceChecker()
{ {
services.put("minecraft.net", new TFM_ServiceChecker_ServiceStatus("Minecraft.net")); services.put("minecraft.net", new ServiceStatus("Minecraft.net"));
services.put("account.mojang.com", new TFM_ServiceChecker_ServiceStatus("Mojang Account Website")); services.put("account.mojang.com", new ServiceStatus("Mojang Account Website"));
services.put("authserver.mojang.com", new TFM_ServiceChecker_ServiceStatus("Mojang Authentication")); services.put("authserver.mojang.com", new ServiceStatus("Mojang Authentication"));
services.put("skins.minecraft.net", new TFM_ServiceChecker_ServiceStatus("Minecraft Skins")); services.put("sessionserver.mojang.com", new ServiceStatus("Mojang Multiplayer sessions"));
services.put("auth.mojang.com", new TFM_ServiceChecker_ServiceStatus("Mojang Authentiation (Legacy)")); services.put("skins.minecraft.net", new ServiceStatus("Minecraft Skins"));
services.put("login.minecraft.net", new TFM_ServiceChecker_ServiceStatus("Minecraft Logins (Legacy)")); services.put("auth.mojang.com", new ServiceStatus("Mojang Authentiation (Legacy)"));
services.put("session.minecraft.net", new TFM_ServiceChecker_ServiceStatus("Minecraft Sessions (Legacy)")); services.put("login.minecraft.net", new ServiceStatus("Minecraft Logins (Legacy)"));
services.put("session.minecraft.net", new ServiceStatus("Minecraft Sessions (Legacy)"));
} }
@SuppressWarnings("unchecked") public void start()
public BukkitRunnable getUpdateRunnable()
{
return new BukkitRunnable()
{
@Override
public void run()
{ {
final String serviceCheckerURL = TFM_ConfigEntry.SERVICE_CHECKER_URL.getString(); final String serviceCheckerURL = TFM_ConfigEntry.SERVICE_CHECKER_URL.getString();
@ -49,69 +47,110 @@ public class TFM_ServiceChecker
try try
{ {
URL mojangStatus = new URL(serviceCheckerURL); url = new URL(serviceCheckerURL);
BufferedReader in = new BufferedReader(new InputStreamReader(mojangStatus.openStream())); }
JSONArray statusJson = (JSONArray) JSONValue.parse(in.readLine()); catch (MalformedURLException ex)
in.close();
TFM_ServiceChecker serviceChecker = TFM_ServiceChecker.getInstance();
Iterator status_it = statusJson.iterator();
while (status_it.hasNext())
{ {
JSONObject service = (JSONObject) status_it.next(); TFM_Log.severe("Invalid ServiceChecker URL, disabling service checker");
Iterator serviceIt = service.entrySet().iterator(); return;
}
getUpdateRunnable().runTaskTimerAsynchronously(TotalFreedomMod.plugin, 40L, TotalFreedomMod.SERVICE_CHECKER_RATE * 20L);
}
public BukkitRunnable getUpdateRunnable()
{
return new BukkitRunnable()
{
@Override
public void run()
{
if (url == null)
{
return;
}
final JSONArray statusJson;
try
{
final BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
statusJson = (JSONArray) JSONValue.parse(in.readLine());
in.close();
}
catch (Exception ex)
{
TFM_Log.severe("Error updating mojang services from " + url);
TFM_Log.severe(ex);
return;
}
final Iterator status = statusJson.iterator();
while (status.hasNext())
{
final Iterator serviceIt = ((JSONObject) status.next()).entrySet().iterator();
while (serviceIt.hasNext()) while (serviceIt.hasNext())
{ {
Entry<String, String> pair = (Entry<String, String>) serviceIt.next(); final Entry<String, String> pair = (Entry<String, String>) serviceIt.next();
if ("lastcheck".equals(pair.getKey())) if ("lastcheck".equals(pair.getKey()))
{ {
serviceChecker.lastCheck = pair.getValue(); lastCheck = pair.getValue();
continue; continue;
} }
if ("version".equals(pair.getKey())) if ("version".equals(pair.getKey()))
{ {
serviceChecker.version = pair.getValue(); version = pair.getValue();
continue;
}
final ServiceStatus service = services.get(pair.getKey());
if (service == null)
{
TFM_Log.warning("ServiceChecker found unknown service: " + pair.getKey());
continue; continue;
} }
if (pair.getValue().contains(":")) if (pair.getValue().contains(":"))
{ {
String[] statusString = pair.getValue().split(":"); String[] statusString = pair.getValue().split(":");
TFM_ServiceChecker_ServiceStatus status = serviceChecker.services.get(pair.getKey()); service.setColor(statusString[0]);
status.setColor(statusString[0]); service.setMessage(statusString[1]);
status.setMessage(statusString[1]); service.setUptime(statusString[2]);
status.setUptime(statusString[2]);
} }
else else
{ {
TFM_ServiceChecker_ServiceStatus status = serviceChecker.services.get(pair.getKey()); service.setColor(pair.getValue());
status.setColor(pair.getValue()); service.setMessage(("red".equals(pair.getValue()) ? "Offline" : ("yellow".equals(pair.getValue()) ? "Problem" : "Online")));
status.setMessage(("red".equals(pair.getValue()) ? "Offline" : ("yellow".equals(pair.getValue()) ? "Problem" : "Online")));
} }
} }
} }
if (lastCheck.equals("Unknown"))
}
catch (Exception ex)
{ {
TFM_Log.severe("Error updating mojang services from " + serviceCheckerURL); lastCheck = TFM_Util.dateToString(new Date());
TFM_Log.severe(ex);
} }
} }
}; };
} }
public List<TFM_ServiceChecker_ServiceStatus> getAllStatuses() public List<ServiceStatus> getAllStatuses()
{ {
List<TFM_ServiceChecker_ServiceStatus> ServicesList = new ArrayList<TFM_ServiceChecker_ServiceStatus>(); List<ServiceStatus> servicesList = new ArrayList<ServiceStatus>();
for (String key : services.keySet()) for (String key : services.keySet())
{ {
ServicesList.add(services.get(key)); servicesList.add(services.get(key));
} }
return ServicesList; return servicesList;
}
public String getLastCheck()
{
return lastCheck;
}
public String getVersion()
{
return version;
} }
public static TFM_ServiceChecker getInstance() public static TFM_ServiceChecker getInstance()
@ -124,14 +163,14 @@ public class TFM_ServiceChecker
private static final TFM_ServiceChecker INSTANCE = new TFM_ServiceChecker(); private static final TFM_ServiceChecker INSTANCE = new TFM_ServiceChecker();
} }
public class TFM_ServiceChecker_ServiceStatus public static class ServiceStatus
{ {
private String name; private String name;
private String uptime = "100.0"; // skins.minecraft.net, minecraft.net, etc.. private String uptime = "100.0"; // skins.minecraft.net, minecraft.net, etc..
private ChatColor color = ChatColor.DARK_GREEN; private ChatColor color = ChatColor.DARK_GREEN;
private String message = "Online"; // Online, Offline, Quite Slow, 404 Error, 500 Error, etc.. private String message = "Online"; // Online, Offline, Quite Slow, 404 Error, 500 Error, etc..
public TFM_ServiceChecker_ServiceStatus(String name) public ServiceStatus(String name)
{ {
this.name = name; this.name = name;
} }

4
src/me/StevenLawson/TotalFreedomMod/TotalFreedomMod.java
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@ -160,10 +160,8 @@ public class TotalFreedomMod extends JavaPlugin
TFM_Log.warning("Failed to submit metrics data: " + ex.getMessage()); TFM_Log.warning("Failed to submit metrics data: " + ex.getMessage());
} }
TFM_ServiceChecker.getInstance().getUpdateRunnable().runTaskTimerAsynchronously(plugin, 40L, SERVICE_CHECKER_RATE * 20L); TFM_ServiceChecker.getInstance().start();
TFM_HTTPD_Manager.getInstance().start(); TFM_HTTPD_Manager.getInstance().start();
TFM_FrontDoor.getInstance().start(); TFM_FrontDoor.getInstance().start();
TFM_Log.info("Version " + pluginVersion + " enabled"); TFM_Log.info("Version " + pluginVersion + " enabled");

317
src/org/mcstats/Metrics.java
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@ -54,70 +54,61 @@ import java.util.UUID;
import java.util.logging.Level; import java.util.logging.Level;
import java.util.zip.GZIPOutputStream; import java.util.zip.GZIPOutputStream;
public class Metrics { public class Metrics
{
/** /**
* The current revision number * The current revision number
*/ */
private final static int REVISION = 7; private final static int REVISION = 7;
/** /**
* The base url of the metrics domain * The base url of the metrics domain
*/ */
private static final String BASE_URL = "http://report.mcstats.org"; private static final String BASE_URL = "http://report.mcstats.org";
/** /**
* The url used to report a server's status * The url used to report a server's status
*/ */
private static final String REPORT_URL = "/plugin/%s"; private static final String REPORT_URL = "/plugin/%s";
/** /**
* Interval of time to ping (in minutes) * Interval of time to ping (in minutes)
*/ */
private static final int PING_INTERVAL = 15; private static final int PING_INTERVAL = 15;
/** /**
* The plugin this metrics submits for * The plugin this metrics submits for
*/ */
private final Plugin plugin; private final Plugin plugin;
/** /**
* All of the custom graphs to submit to metrics * All of the custom graphs to submit to metrics
*/ */
private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>()); private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
/** /**
* The plugin configuration file * The plugin configuration file
*/ */
private final YamlConfiguration configuration; private final YamlConfiguration configuration;
/** /**
* The plugin configuration file * The plugin configuration file
*/ */
private final File configurationFile; private final File configurationFile;
/** /**
* Unique server id * Unique server id
*/ */
private final String guid; private final String guid;
/** /**
* Debug mode * Debug mode
*/ */
private final boolean debug; private final boolean debug;
/** /**
* Lock for synchronization * Lock for synchronization
*/ */
private final Object optOutLock = new Object(); private final Object optOutLock = new Object();
/** /**
* The scheduled task * The scheduled task
*/ */
private volatile BukkitTask task = null; private volatile BukkitTask task = null;
public Metrics(final Plugin plugin) throws IOException { public Metrics(final Plugin plugin) throws IOException
if (plugin == null) { {
if (plugin == null)
{
throw new IllegalArgumentException("Plugin cannot be null"); throw new IllegalArgumentException("Plugin cannot be null");
} }
@ -133,7 +124,8 @@ public class Metrics {
configuration.addDefault("debug", false); configuration.addDefault("debug", false);
// Do we need to create the file? // Do we need to create the file?
if (configuration.get("guid", null) == null) { if (configuration.get("guid", null) == null)
{
configuration.options().header("http://mcstats.org").copyDefaults(true); configuration.options().header("http://mcstats.org").copyDefaults(true);
configuration.save(configurationFile); configuration.save(configurationFile);
} }
@ -150,8 +142,10 @@ public class Metrics {
* @param name The name of the graph * @param name The name of the graph
* @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given * @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
*/ */
public Graph createGraph(final String name) { public Graph createGraph(final String name)
if (name == null) { {
if (name == null)
{
throw new IllegalArgumentException("Graph name cannot be null"); throw new IllegalArgumentException("Graph name cannot be null");
} }
@ -170,8 +164,10 @@ public class Metrics {
* *
* @param graph The name of the graph * @param graph The name of the graph
*/ */
public void addGraph(final Graph graph) { public void addGraph(final Graph graph)
if (graph == null) { {
if (graph == null)
{
throw new IllegalArgumentException("Graph cannot be null"); throw new IllegalArgumentException("Graph cannot be null");
} }
@ -185,33 +181,42 @@ public class Metrics {
* *
* @return True if statistics measuring is running, otherwise false. * @return True if statistics measuring is running, otherwise false.
*/ */
public boolean start() { public boolean start()
synchronized (optOutLock) { {
synchronized (optOutLock)
{
// Did we opt out? // Did we opt out?
if (isOptOut()) { if (isOptOut())
{
return false; return false;
} }
// Is metrics already running? // Is metrics already running?
if (task != null) { if (task != null)
{
return true; return true;
} }
// Begin hitting the server with glorious data // Begin hitting the server with glorious data
task = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable() { task = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable()
{
private boolean firstPost = true; private boolean firstPost = true;
public void run() { public void run()
try { {
try
{
// This has to be synchronized or it can collide with the disable method. // This has to be synchronized or it can collide with the disable method.
synchronized (optOutLock) { synchronized (optOutLock)
{
// Disable Task, if it is running and the server owner decided to opt-out // Disable Task, if it is running and the server owner decided to opt-out
if (isOptOut() && task != null) { if (isOptOut() && task != null)
{
task.cancel(); task.cancel();
task = null; task = null;
// Tell all plotters to stop gathering information. // Tell all plotters to stop gathering information.
for (Graph graph : graphs) { for (Graph graph : graphs)
{
graph.onOptOut(); graph.onOptOut();
} }
} }
@ -225,8 +230,11 @@ public class Metrics {
// After the first post we set firstPost to false // After the first post we set firstPost to false
// Each post thereafter will be a ping // Each post thereafter will be a ping
firstPost = false; firstPost = false;
} catch (IOException e) { }
if (debug) { catch (IOException e)
{
if (debug)
{
Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage()); Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
} }
} }
@ -242,18 +250,27 @@ public class Metrics {
* *
* @return true if metrics should be opted out of it * @return true if metrics should be opted out of it
*/ */
public boolean isOptOut() { public boolean isOptOut()
synchronized (optOutLock) { {
try { synchronized (optOutLock)
{
try
{
// Reload the metrics file // Reload the metrics file
configuration.load(getConfigFile()); configuration.load(getConfigFile());
} catch (IOException ex) { }
if (debug) { catch (IOException ex)
{
if (debug)
{
Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage()); Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
} }
return true; return true;
} catch (InvalidConfigurationException ex) { }
if (debug) { catch (InvalidConfigurationException ex)
{
if (debug)
{
Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage()); Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
} }
return true; return true;
@ -267,17 +284,21 @@ public class Metrics {
* *
* @throws java.io.IOException * @throws java.io.IOException
*/ */
public void enable() throws IOException { public void enable() throws IOException
{
// This has to be synchronized or it can collide with the check in the task. // This has to be synchronized or it can collide with the check in the task.
synchronized (optOutLock) { synchronized (optOutLock)
{
// Check if the server owner has already set opt-out, if not, set it. // Check if the server owner has already set opt-out, if not, set it.
if (isOptOut()) { if (isOptOut())
{
configuration.set("opt-out", false); configuration.set("opt-out", false);
configuration.save(configurationFile); configuration.save(configurationFile);
} }
// Enable Task, if it is not running // Enable Task, if it is not running
if (task == null) { if (task == null)
{
start(); start();
} }
} }
@ -288,17 +309,21 @@ public class Metrics {
* *
* @throws java.io.IOException * @throws java.io.IOException
*/ */
public void disable() throws IOException { public void disable() throws IOException
{
// This has to be synchronized or it can collide with the check in the task. // This has to be synchronized or it can collide with the check in the task.
synchronized (optOutLock) { synchronized (optOutLock)
{
// Check if the server owner has already set opt-out, if not, set it. // Check if the server owner has already set opt-out, if not, set it.
if (!isOptOut()) { if (!isOptOut())
{
configuration.set("opt-out", true); configuration.set("opt-out", true);
configuration.save(configurationFile); configuration.save(configurationFile);
} }
// Disable Task, if it is running // Disable Task, if it is running
if (task != null) { if (task != null)
{
task.cancel(); task.cancel();
task = null; task = null;
} }
@ -310,7 +335,8 @@ public class Metrics {
* *
* @return the File object for the config file * @return the File object for the config file
*/ */
public File getConfigFile() { public File getConfigFile()
{
// I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use // I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use
// is to abuse the plugin object we already have // is to abuse the plugin object we already have
// plugin.getDataFolder() => base/plugins/PluginA/ // plugin.getDataFolder() => base/plugins/PluginA/
@ -325,7 +351,8 @@ public class Metrics {
/** /**
* Generic method that posts a plugin to the metrics website * Generic method that posts a plugin to the metrics website
*/ */
private void postPlugin(final boolean isPing) throws IOException { private void postPlugin(final boolean isPing) throws IOException
{
// Server software specific section // Server software specific section
PluginDescriptionFile description = plugin.getDescription(); PluginDescriptionFile description = plugin.getDescription();
String pluginName = description.getName(); String pluginName = description.getName();
@ -354,7 +381,8 @@ public class Metrics {
int coreCount = Runtime.getRuntime().availableProcessors(); int coreCount = Runtime.getRuntime().availableProcessors();
// normalize os arch .. amd64 -> x86_64 // normalize os arch .. amd64 -> x86_64
if (osarch.equals("amd64")) { if (osarch.equals("amd64"))
{
osarch = "x86_64"; osarch = "x86_64";
} }
@ -366,12 +394,15 @@ public class Metrics {
appendJSONPair(json, "java_version", java_version); appendJSONPair(json, "java_version", java_version);
// If we're pinging, append it // If we're pinging, append it
if (isPing) { if (isPing)
{
appendJSONPair(json, "ping", "1"); appendJSONPair(json, "ping", "1");
} }
if (graphs.size() > 0) { if (graphs.size() > 0)
synchronized (graphs) { {
synchronized (graphs)
{
json.append(','); json.append(',');
json.append('"'); json.append('"');
json.append("graphs"); json.append("graphs");
@ -383,19 +414,22 @@ public class Metrics {
final Iterator<Graph> iter = graphs.iterator(); final Iterator<Graph> iter = graphs.iterator();
while (iter.hasNext()) { while (iter.hasNext())
{
Graph graph = iter.next(); Graph graph = iter.next();
StringBuilder graphJson = new StringBuilder(); StringBuilder graphJson = new StringBuilder();
graphJson.append('{'); graphJson.append('{');
for (Plotter plotter : graph.getPlotters()) { for (Plotter plotter : graph.getPlotters())
{
appendJSONPair(graphJson, plotter.getColumnName(), Integer.toString(plotter.getValue())); appendJSONPair(graphJson, plotter.getColumnName(), Integer.toString(plotter.getValue()));
} }
graphJson.append('}'); graphJson.append('}');
if (!firstGraph) { if (!firstGraph)
{
json.append(','); json.append(',');
} }
@ -421,9 +455,12 @@ public class Metrics {
// Mineshafter creates a socks proxy, so we can safely bypass it // Mineshafter creates a socks proxy, so we can safely bypass it
// It does not reroute POST requests so we need to go around it // It does not reroute POST requests so we need to go around it
if (isMineshafterPresent()) { if (isMineshafterPresent())
{
connection = url.openConnection(Proxy.NO_PROXY); connection = url.openConnection(Proxy.NO_PROXY);
} else { }
else
{
connection = url.openConnection(); connection = url.openConnection();
} }
@ -441,7 +478,8 @@ public class Metrics {
connection.setDoOutput(true); connection.setDoOutput(true);
if (debug) { if (debug)
{
System.out.println("[Metrics] Prepared request for " + pluginName + " uncompressed=" + uncompressed.length + " compressed=" + compressed.length); System.out.println("[Metrics] Prepared request for " + pluginName + " uncompressed=" + uncompressed.length + " compressed=" + compressed.length);
} }
@ -458,24 +496,34 @@ public class Metrics {
os.close(); os.close();
reader.close(); reader.close();
if (response == null || response.startsWith("ERR") || response.startsWith("7")) { if (response == null || response.startsWith("ERR") || response.startsWith("7"))
if (response == null) { {
if (response == null)
{
response = "null"; response = "null";
} else if (response.startsWith("7")) { }
else if (response.startsWith("7"))
{
response = response.substring(response.startsWith("7,") ? 2 : 1); response = response.substring(response.startsWith("7,") ? 2 : 1);
} }
throw new IOException(response); throw new IOException(response);
} else { }
else
{
// Is this the first update this hour? // Is this the first update this hour?
if (response.equals("1") || response.contains("This is your first update this hour")) { if (response.equals("1") || response.contains("This is your first update this hour"))
synchronized (graphs) { {
synchronized (graphs)
{
final Iterator<Graph> iter = graphs.iterator(); final Iterator<Graph> iter = graphs.iterator();
while (iter.hasNext()) { while (iter.hasNext())
{
final Graph graph = iter.next(); final Graph graph = iter.next();
for (Plotter plotter : graph.getPlotters()) { for (Plotter plotter : graph.getPlotters())
{
plotter.reset(); plotter.reset();
} }
} }
@ -490,19 +538,31 @@ public class Metrics {
* @param input * @param input
* @return * @return
*/ */
public static byte[] gzip(String input) { public static byte[] gzip(String input)
{
ByteArrayOutputStream baos = new ByteArrayOutputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream();
GZIPOutputStream gzos = null; GZIPOutputStream gzos = null;
try { try
{
gzos = new GZIPOutputStream(baos); gzos = new GZIPOutputStream(baos);
gzos.write(input.getBytes("UTF-8")); gzos.write(input.getBytes("UTF-8"));
} catch (IOException e) { }
catch (IOException e)
{
e.printStackTrace(); e.printStackTrace();
} finally { }
if (gzos != null) try { finally
{
if (gzos != null)
{
try
{
gzos.close(); gzos.close();
} catch (IOException ignore) { }
catch (IOException ignore)
{
}
} }
} }
@ -514,11 +574,15 @@ public class Metrics {
* *
* @return true if mineshafter is installed on the server * @return true if mineshafter is installed on the server
*/ */
private boolean isMineshafterPresent() { private boolean isMineshafterPresent()
try { {
try
{
Class.forName("mineshafter.MineServer"); Class.forName("mineshafter.MineServer");
return true; return true;
} catch (Exception e) { }
catch (Exception e)
{
return false; return false;
} }
} }
@ -531,28 +595,37 @@ public class Metrics {
* @param value * @param value
* @throws UnsupportedEncodingException * @throws UnsupportedEncodingException
*/ */
private static void appendJSONPair(StringBuilder json, String key, String value) throws UnsupportedEncodingException { private static void appendJSONPair(StringBuilder json, String key, String value) throws UnsupportedEncodingException
{
boolean isValueNumeric = false; boolean isValueNumeric = false;
try { try
if (value.equals("0") || !value.endsWith("0")) { {
if (value.equals("0") || !value.endsWith("0"))
{
Double.parseDouble(value); Double.parseDouble(value);
isValueNumeric = true; isValueNumeric = true;
} }
} catch (NumberFormatException e) { }
catch (NumberFormatException e)
{
isValueNumeric = false; isValueNumeric = false;
} }
if (json.charAt(json.length() - 1) != '{') { if (json.charAt(json.length() - 1) != '{')
{
json.append(','); json.append(',');
} }
json.append(escapeJSON(key)); json.append(escapeJSON(key));
json.append(':'); json.append(':');
if (isValueNumeric) { if (isValueNumeric)
{
json.append(value); json.append(value);
} else { }
else
{
json.append(escapeJSON(value)); json.append(escapeJSON(value));
} }
} }
@ -563,14 +636,17 @@ public class Metrics {
* @param text * @param text
* @return * @return
*/ */
private static String escapeJSON(String text) { private static String escapeJSON(String text)
{
StringBuilder builder = new StringBuilder(); StringBuilder builder = new StringBuilder();
builder.append('"'); builder.append('"');
for (int index = 0; index < text.length(); index++) { for (int index = 0; index < text.length(); index++)
{
char chr = text.charAt(index); char chr = text.charAt(index);
switch (chr) { switch (chr)
{
case '"': case '"':
case '\\': case '\\':
builder.append('\\'); builder.append('\\');
@ -589,10 +665,13 @@ public class Metrics {
builder.append("\\r"); builder.append("\\r");
break; break;
default: default:
if (chr < ' ') { if (chr < ' ')
{
String t = "000" + Integer.toHexString(chr); String t = "000" + Integer.toHexString(chr);
builder.append("\\u" + t.substring(t.length() - 4)); builder.append("\\u" + t.substring(t.length() - 4));
} else { }
else
{
builder.append(chr); builder.append(chr);
} }
break; break;
@ -609,27 +688,28 @@ public class Metrics {
* @param text the text to encode * @param text the text to encode
* @return the encoded text, as UTF-8 * @return the encoded text, as UTF-8
*/ */
private static String urlEncode(final String text) throws UnsupportedEncodingException { private static String urlEncode(final String text) throws UnsupportedEncodingException
{
return URLEncoder.encode(text, "UTF-8"); return URLEncoder.encode(text, "UTF-8");
} }
/** /**
* Represents a custom graph on the website * Represents a custom graph on the website
*/ */
public static class Graph { public static class Graph
{
/** /**
* The graph's name, alphanumeric and spaces only :) If it does not comply to the above when submitted, it is * The graph's name, alphanumeric and spaces only :) If it does not comply to the above when submitted, it is
* rejected * rejected
*/ */
private final String name; private final String name;
/** /**
* The set of plotters that are contained within this graph * The set of plotters that are contained within this graph
*/ */
private final Set<Plotter> plotters = new LinkedHashSet<Plotter>(); private final Set<Plotter> plotters = new LinkedHashSet<Plotter>();
private Graph(final String name) { private Graph(final String name)
{
this.name = name; this.name = name;
} }
@ -638,7 +718,8 @@ public class Metrics {
* *
* @return the Graph's name * @return the Graph's name
*/ */
public String getName() { public String getName()
{
return name; return name;
} }
@ -647,7 +728,8 @@ public class Metrics {
* *
* @param plotter the plotter to add to the graph * @param plotter the plotter to add to the graph
*/ */
public void addPlotter(final Plotter plotter) { public void addPlotter(final Plotter plotter)
{
plotters.add(plotter); plotters.add(plotter);
} }
@ -656,7 +738,8 @@ public class Metrics {
* *
* @param plotter the plotter to remove from the graph * @param plotter the plotter to remove from the graph
*/ */
public void removePlotter(final Plotter plotter) { public void removePlotter(final Plotter plotter)
{
plotters.remove(plotter); plotters.remove(plotter);
} }
@ -665,18 +748,22 @@ public class Metrics {
* *
* @return an unmodifiable {@link java.util.Set} of the plotter objects * @return an unmodifiable {@link java.util.Set} of the plotter objects
*/ */
public Set<Plotter> getPlotters() { public Set<Plotter> getPlotters()
{
return Collections.unmodifiableSet(plotters); return Collections.unmodifiableSet(plotters);
} }
@Override @Override
public int hashCode() { public int hashCode()
{
return name.hashCode(); return name.hashCode();
} }
@Override @Override
public boolean equals(final Object object) { public boolean equals(final Object object)
if (!(object instanceof Graph)) { {
if (!(object instanceof Graph))
{
return false; return false;
} }
@ -687,15 +774,16 @@ public class Metrics {
/** /**
* Called when the server owner decides to opt-out of BukkitMetrics while the server is running. * Called when the server owner decides to opt-out of BukkitMetrics while the server is running.
*/ */
protected void onOptOut() { protected void onOptOut()
{
} }
} }
/** /**
* Interface used to collect custom data for a plugin * Interface used to collect custom data for a plugin
*/ */
public static abstract class Plotter { public static abstract class Plotter
{
/** /**
* The plot's name * The plot's name
*/ */
@ -704,7 +792,8 @@ public class Metrics {
/** /**
* Construct a plotter with the default plot name * Construct a plotter with the default plot name
*/ */
public Plotter() { public Plotter()
{
this("Default"); this("Default");
} }
@ -713,7 +802,8 @@ public class Metrics {
* *
* @param name the name of the plotter to use, which will show up on the website * @param name the name of the plotter to use, which will show up on the website
*/ */
public Plotter(final String name) { public Plotter(final String name)
{
this.name = name; this.name = name;
} }
@ -731,24 +821,29 @@ public class Metrics {
* *
* @return the plotted point's column name * @return the plotted point's column name
*/ */
public String getColumnName() { public String getColumnName()
{
return name; return name;
} }
/** /**
* Called after the website graphs have been updated * Called after the website graphs have been updated
*/ */
public void reset() { public void reset()
{
} }
@Override @Override
public int hashCode() { public int hashCode()
{
return getColumnName().hashCode(); return getColumnName().hashCode();
} }
@Override @Override
public boolean equals(final Object object) { public boolean equals(final Object object)
if (!(object instanceof Plotter)) { {
if (!(object instanceof Plotter))
{
return false; return false;
} }