gt:                                 for (Graph graph : graphs) {
context: package github.stormtrooper28.unCrafter.Metrics;
  
  /*
   * 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.
   */
  
  import org.bukkit.Bukkit;
  import org.bukkit.Server;
  import org.bukkit.configuration.InvalidConfigurationException;
  import org.bukkit.configuration.file.YamlConfiguration;
  import org.bukkit.entity.Player;
  import org.bukkit.plugin.Plugin;
  import org.bukkit.plugin.PluginDescriptionFile;
  import org.bukkit.scheduler.BukkitTask;
  
  import java.io.BufferedReader;
  import java.io.ByteArrayOutputStream;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.io.OutputStream;
  import java.io.UnsupportedEncodingException;
  import java.lang.reflect.Method;
  import java.net.Proxy;
  import java.net.URL;
  import java.net.URLConnection;
  import java.net.URLEncoder;
  import java.util.Collection;
  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;
  import java.util.zip.GZIPOutputStream;
  
  public class Metrics {
  
      /**
       * The current revision number
       */
      private final static int REVISION = 7;
  
      /**
       * The base url of the metrics domain
       */
      private static final String BASE_URL = "http://report.mcstats.org";
  
      /**
       * The url used to report a server's status
       */
      private static final String REPORT_URL = "/plugin/%s";
  
      /**
       * Interval of time to ping (in minutes)
       */
      private static final int PING_INTERVAL = 15;
  
      /**
       * 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 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);
      }
  
      /**
       * 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.
  