gt:         if (osarch.equals("amd64")) {
context: /*
   * Copyright 2011-2013 Tyler Blair. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification, are
   * permitted provided that the following conditions are met:
   *
   *    1. Redistributions of source code must retain the above copyright notice, this list of
   *       conditions and the following disclaimer.
   *
   *    2. Redistributions in binary form must reproduce the above copyright notice, this list
   *       of conditions and the following disclaimer in the documentation and/or other materials
   *       provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * The views and conclusions contained in the software and documentation are those of the
   * authors and contributors and should not be interpreted as representing official policies,
   * either expressed or implied, of anybody else.
   */
  package com.garbagemule.MobArena.metrics;
  
  import org.bukkit.Bukkit;
  import org.bukkit.configuration.file.YamlConfiguration;
  import org.bukkit.configuration.InvalidConfigurationException;
  import org.bukkit.plugin.Plugin;
  import org.bukkit.plugin.PluginDescriptionFile;
  import org.bukkit.scheduler.BukkitTask;
   
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.io.OutputStreamWriter;
  import java.io.UnsupportedEncodingException;
  import java.net.Proxy;
  import java.net.URL;
  import java.net.URLConnection;
  import java.net.URLEncoder;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Iterator;
  import java.util.LinkedHashSet;
  import java.util.Set;
  import java.util.UUID;
  import java.util.logging.Level;
   
  /**
   * <p> The metrics class obtains data about a plugin and submits statistics about it to the metrics backend. </p> <p>
   * Public methods provided by this class: </p>
   * <code>
   * Graph createGraph(String name); <br/>
   * void addCustomData(BukkitMetrics.Plotter plotter); <br/>
   * void start(); <br/>
   * </code>
   */
  public class Metrics {
   
      /**
       * The current revision number
       */
      private final static int REVISION = 6;
      /**
       * The base url of the metrics domain
       */
      private static final String BASE_URL = "http://mcstats.org";
      /**
       * The url used to report a server's status
       */
      private static final String REPORT_URL = "/report/%s";
      /**
       * The separator to use for custom data. This MUST NOT change unless you are hosting your own version of metrics and
       * want to change it.
       */
      private static final String CUSTOM_DATA_SEPARATOR = "~~";
      /**
       * Interval of time to ping (in minutes)
       */
      private static final int PING_INTERVAL = 10;
      /**
       * The plugin this metrics submits for
       */
      private final Plugin plugin;
      /**
       * All of the custom graphs to submit to metrics
       */
      private final Set<Graph> graphs = Collections.synchronizedSet(new HashSet<Graph>());
      /**
       * The default graph, used for addCustomData when you don't want a specific graph
       */
      private final Graph defaultGraph = new Graph("Default");
      /**
       * The plugin configuration file
       */
      private final YamlConfiguration configuration;
      /**
       * The plugin configuration file
       */
      private final File configurationFile;
      /**
       * Unique server id
       */
      private final String guid;
      /**
       * Debug mode
       */
      private final boolean debug;
      /**
       * Lock for synchronization
       */
      private final Object optOutLock = new Object();
      /**
       * The scheduled task
       */
      private volatile BukkitTask task = null;
   
      public Metrics(final Plugin plugin) throws IOException {
          if (plugin == null) {
              throw new IllegalArgumentException("Plugin cannot be null");
          }
   
          this.plugin = plugin;
   
          // load the config
          configurationFile = getConfigFile();
          configuration = YamlConfiguration.loadConfiguration(configurationFile);
   
          // add some defaults
          configuration.addDefault("opt-out", false);
          configuration.addDefault("guid", UUID.randomUUID().toString());
          configuration.addDefault("debug", false);
   
          // Do we need to create the file?
          if (configuration.get("guid", null) == null) {
              configuration.options().header("http://mcstats.org").copyDefaults(true);
              configuration.save(configurationFile);
          }
   
          // Load the guid then
          guid = configuration.getString("guid");
          debug = configuration.getBoolean("debug", false);
      }
   
      /**
       * Construct and create a Graph that can be used to separate specific plotters to their own graphs on the metrics
       * website. Plotters can be added to the graph object returned.
       *
       * @param name The name of the graph
       * @return Graph object created. Will never return NULL under normal circumstances unless bad parameters are given
       */
      public Graph createGraph(final String name) {
          if (name == null) {
              throw new IllegalArgumentException("Graph name cannot be null");
          }
   
          // Construct the graph object
          final Graph graph = new Graph(name);
   
          // Now we can add our graph
          graphs.add(graph);
   
          // and return back
          return graph;
      }
   
      /**
       * Add a Graph object to BukkitMetrics that represents data for the plugin that should be sent to the backend
       *
       * @param graph The name of the graph
       */
      public void addGraph(final Graph graph) {
          if (graph == null) {
              throw new IllegalArgumentException("Graph cannot be null");
          }
   
          graphs.add(graph);
      }
   
      /**
       * Adds a custom data plotter to the default graph
       *
       * @param plotter The plotter to use to plot custom data
       */
      public void addCustomData(final Plotter plotter) {
          if (plotter == null) {
              throw new IllegalArgumentException("Plotter cannot be null");
          }
   
          // Add the plotter to the graph o/
          defaultGraph.addPlotter(plotter);
   
          // Ensure the default graph is included in the submitted graphs
          graphs.add(defaultGraph);
      }
   
      /**
       * Start measuring statistics. This will immediately create an async repeating task as the plugin and send the
       * initial data to the metrics backend, and then after that it will post in increments of PING_INTERVAL * 1200
       * ticks.
       *
       * @return True if statistics measuring is running, otherwise false.
       */
      public boolean start() {
          synchronized (optOutLock) {
              // Did we opt out?
              if (isOptOut()) {
                  return false;
              }
   
              // Is metrics already running?
              if (task != null) {
                  return true;
              }
   
              // Begin hitting the server with glorious data
              task = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable() {
   
                  private boolean firstPost = true;
   
                  public void run() {
                      try {
                          // This has to be synchronized or it can collide with the disable method.
                          synchronized (optOutLock) {
                              // Disable Task, if it is running and the server owner decided to opt-out
                              if (isOptOut() && task != null) {
                                  task.cancel();
                                  task = null;
                                  // Tell all plotters to stop gathering information.
                                  for (Graph graph : graphs) {
                                      graph.onOptOut();
                                  }
                              }
                          }
   
                          // We use the inverse of firstPost because if it is the first time we are posting,
                          // it is not a interval ping, so it evaluates to FALSE
                          // Each time thereafter it will evaluate to TRUE, i.e PING!
                          postPlugin(!firstPost);
   
                          // After the first post we set firstPost to false
                          // Each post thereafter will be a ping
                          firstPost = false;
                      } catch (IOException e) {
                          if (debug) {
                              Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage());
                          }
                      }
                  }
              }, 0, PING_INTERVAL * 1200);
   
              return true;
          }
      }
   
      /**
       * Has the server owner denied plugin metrics?
       *
       * @return true if metrics should be opted out of it
       */
      public boolean isOptOut() {
          synchronized (optOutLock) {
              try {
                  // Reload the metrics file
                  configuration.load(getConfigFile());
              } catch (IOException ex) {
                  if (debug) {
                      Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
                  }
                  return true;
              } catch (InvalidConfigurationException ex) {
                  if (debug) {
                      Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage());
                  }
                  return true;
              }
              return configuration.getBoolean("opt-out", false);
          }
      }
   
      /**
       * Enables metrics for the server by setting "opt-out" to false in the config file and starting the metrics task.
       *
       * @throws java.io.IOException
       */
      public void enable() throws IOException {
          // This has to be synchronized or it can collide with the check in the task.
          synchronized (optOutLock) {
              // Check if the server owner has already set opt-out, if not, set it.
              if (isOptOut()) {
                  configuration.set("opt-out", false);
                  configuration.save(configurationFile);
              }
   
              // Enable Task, if it is not running
              if (task == null) {
                  start();
              }
          }
      }
   
      /**
       * Disables metrics for the server by setting "opt-out" to true in the config file and canceling the metrics task.
       *
       * @throws java.io.IOException
       */
      public void disable() throws IOException {
          // This has to be synchronized or it can collide with the check in the task.
          synchronized (optOutLock) {
              // Check if the server owner has already set opt-out, if not, set it.
              if (!isOptOut()) {
                  configuration.set("opt-out", true);
                  configuration.save(configurationFile);
              }
   
              // Disable Task, if it is running
              if (task != null) {
                  task.cancel();
                  task = null;
              }
          }
      }
   
      /**
       * Gets the File object of the config file that should be used to store data such as the GUID and opt-out status
       *
       * @return the File object for the config file
       */
      public File getConfigFile() {
          // 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
          // plugin.getDataFolder() => base/plugins/PluginA/
          // pluginsFolder => base/plugins/
          // The base is not necessarily relative to the startup directory.
          File pluginsFolder = plugin.getDataFolder().getParentFile();
   
          // return => base/plugins/PluginMetrics/config.yml
          return new File(new File(pluginsFolder, "PluginMetrics"), "config.yml");
      }
   
      /**
       * Generic method that posts a plugin to the metrics website
       */
      private void postPlugin(final boolean isPing) throws IOException {
          // Server software specific section
          PluginDescriptionFile description = plugin.getDescription();
          String pluginName = description.getName();
          boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled
          String pluginVersion = description.getVersion();
          String serverVersion = Bukkit.getVersion();
          int playersOnline = Bukkit.getServer().getOnlinePlayers().size();
   
          // END server software specific section -- all code below does not use any code outside of this class / Java
   
          // Construct the post data
          final StringBuilder data = new StringBuilder();
   
          // The plugin's description file containg all of the plugin data such as name, version, author, etc
          data.append(encode("guid")).append('=').append(encode(guid));
          encodeDataPair(data, "version", pluginVersion);
          encodeDataPair(data, "server", serverVersion);
          encodeDataPair(data, "players", Integer.toString(playersOnline));
          encodeDataPair(data, "revision", String.valueOf(REVISION));
   
          // New data as of R6
          String osname = System.getProperty("os.name");
          String osarch = System.getProperty("os.arch");
          String osversion = System.getProperty("os.version");
          String java_version = System.getProperty("java.version");
          int coreCount = Runtime.getRuntime().availableProcessors();
   
          // normalize os arch .. amd64 -> x86_64
  