src/com/tedpearson/ypp/market/MarketUploader.java

   1 package com.tedpearson.ypp.market;
   2
   3 import java.awt.*;
   4 import java.awt.event.*;
   5
   6 import javax.accessibility.*;
   7 import javax.swing.*;
   8
   9 import com.sun.java.accessibility.util.*;
  10
  11 import java.util.*;
  12 import java.io.*;
  13 import java.util.*;
  14 import java.net.URL;
  15 import org.w3c.dom.*;
  16 import javax.xml.parsers.DocumentBuilderFactory;
  17 import org.xml.sax.InputSource;
  18 import java.util.zip.GZIPOutputStream;
  19 import net.chiark.yarrg.ClientHttpRequest;
  20 import java.util.regex.*;
  21 import java.util.prefs.Preferences;
  22 import java.beans.*;
  23
  24 /**
  25 *       MarketUploader is a class that handles the uploading of market
  26 *       data from Yohoho! Puzzle Pirates via the Java Accessibility
  27 *       API.
  28 *
  29 *       MarketUploader initializes after the main YPP window has
  30 *       initialized. It provides a simple window with a "Capture
  31 *       Market Data" button displayed.  Upon clicking this button, a
  32 *       progress dialog is displayed, and the data is processed and
  33 *       submitted to the YARRG and PCTB servers. If any errors occur,
  34 *       an error dialog is shown, and processing returns, the button
  35 *       becoming re-enabled.
  36 */
  37 public class MarketUploader implements TopLevelWindowListener, GUIInitializedListener {
  38         private JFrame frame = null;
  39         private Window window = null;
  40         private JButton findMarket = null;
  41         private JLabel resultSummary = null;
  42
  43         private final static String PCTB_LIVE_HOST_URL = "http://pctb.crabdance.com/";
  44         private final static String PCTB_TEST_HOST_URL = "http://pctb.ilk.org/";
  45         private String PCTB_HOST_URL;
  46
  47         // Yarrg protocol parameters
  48         private final static String YARRG_CLIENTNAME = "jpctb greenend";
  49         private final static String YARRG_CLIENTVERSION =
  50             com.tedpearson.ypp.market.Version.version;
  51         private final static String YARRG_CLIENTFIXES = "bug-094";
  52         private final static String YARRG_LIVE_URL = "http://upload.yarrg.chiark.net/commod-update-receiver";
  53         private final static String YARRG_TEST_URL = "http://upload.yarrg.chiark.net/test/commod-update-receiver";
  54         private String YARRG_URL;
  55
  56         private boolean uploadToYarrg;
  57         private boolean uploadToPCTB;
  58
  59         private String islandName = null;
  60         private String oceanName = null;
  61         private java.util.concurrent.CountDownLatch latch = null;
  62
  63         private AccessibleContext sidePanel;
  64         private HashMap<String,Integer> commodMap;
  65
  66         private PropertyChangeListener changeListener = new PropertyChangeListener() {
  67                 public void propertyChange(PropertyChangeEvent e) {
  68                         if(e.getNewValue() != null &&
  69                                         e.getPropertyName().equals(AccessibleContext.ACCESSIBLE_CHILD_PROPERTY)) {
  70                                 Accessible islandInfo = descendNodes(window,new int[] {0,1,0,0,2,2,0,0,0,0,1,2});;
  71                                 String text = islandInfo.getAccessibleContext().getAccessibleText().getAtIndex(AccessibleText.SENTENCE,0);
  72                                 int index = text.indexOf(":");
  73                                 String name = text.substring(0,index);
  74                                 islandName = name;
  75                                 //System.out.println(islandName);
  76                                 sidePanel.removePropertyChangeListener(this);
  77                                 latch.countDown();
  78                         }
  79                 }
  80             };
  81
  82         /**
  83         *       An abstract market offer, entailing a commodity being bought or sold by
  84         *       a shoppe, for a certain price in a certain quantity. Not instantiable.
  85         *
  86         *       @see Buy
  87         *       @see Sell
  88         */
  89         abstract class Offer {
  90                 public int commodity, price, quantity, shoppe;
  91                 /**
  92                 *       Create an offer from <code>record</code>, determining the shoppe Id from
  93                 *       <code>stallMap</code> and the commodity Id from <code>commodMap</code>.
  94                 *       <code>priceIndex</code> should be the index of the price in the record
  95                 *       (the quantity will be <code>priceIndex + 1</code>).
  96                 *
  97                 *       @param record the record with data to create the offer from
  98                 *       @param stallMap a map containing the ids of the various stalls
  99                 *       @param commodMap a map containing the ids of the various commodities
 100                 *       @param priceIndex the index of the price in the record
 101                 */
 102                 public Offer(ArrayList<String> record, LinkedHashMap<String,Integer> stallMap, HashMap<String,Integer> commodMap,
 103                                 int priceIndex) {
 104                         Integer commodId = commodMap.get(record.get(0));
 105                         if(commodId == null) {
 106                                 throw new IllegalArgumentException();
 107                         }
 108                         commodity = commodId.intValue();
 109                         price = Integer.parseInt(record.get(priceIndex));
 110                         String qty = record.get(priceIndex+1);
 111                         if(qty.equals(">1000")) {
 112                                 quantity = 1001;
 113                         } else {
 114                                 quantity = Integer.parseInt(record.get(priceIndex+1));
 115                         }
 116                         shoppe = stallMap.get(record.get(1)).intValue();
 117                 }
 118
 119                 /**
 120                 *       Returns a human-readable version of this offer, useful for debugging
 121                 *
 122                 *       @return human-readable offer
 123                 */
 124                 public String toString() {
 125                         return "[C:" + commodity + ",$" + price + ",Q:" + quantity + ",S:" + shoppe + "]";
 126                 }
 127         }
 128
 129         /**
 130         *       An offer from a shoppe or stall to buy a certain quantity of a commodity
 131         *       for a certain price. If placed in an ordered Set, sorts by commodity index ascending,
 132         *       then by buy price descending, and finally by stall id ascending.
 133         */
 134         class Buy extends Offer implements Comparable<Buy> {
 135                 /**
 136                 *       Creates a new <code>Buy</code> offer from the given <code>record</code>
 137                 *       using the other parameters to determine stall id and commodity id of the offer.
 138                 *
 139                 *       @param record the record with data to create the offer from
 140                 *       @param stallMap a map containing the ids of the various stalls
 141                 *       @param commodMap a map containing the ids of the various commodities
 142                 */
 143                 public Buy(ArrayList<String> record, LinkedHashMap<String,Integer> stallMap, HashMap<String,Integer> commodMap) {
 144                         super(record,stallMap,commodMap,2);
 145                 }
 146
 147                 /**
 148                 *       Sorts by commodity index ascending, then price descending, then stall id ascending.
 149                 */
 150                 public int compareTo(Buy buy) {
 151                         // organize by: commodity index, price, stall index
 152                         if(commodity == buy.commodity) {
 153                                 // organize by price, then by stall index
 154                                 if(price == buy.price) {
 155                                         // organize by stall index
 156                                         return shoppe>buy.shoppe ? 1 : -1;
 157                                 } else if(price > buy.price) {
 158                                         return -1;
 159                                 } else {
 160                                         return 1;
 161                                 }
 162                         } else if(commodity > buy.commodity) {
 163                                 return 1;
 164                         } else {
 165                                 return -1;
 166                         }
 167                 }
 168         }
 169
 170         /**
 171         *       An offer from a shoppe or stall to sell a certain quantity of a commodity
 172         *       for a certain price. If placed in an ordered Set, sorts by commodity index ascending,
 173         *       then by sell price ascending, and finally by stall id ascending.
 174         */
 175         class Sell extends Offer implements Comparable<Sell> {
 176                 /**
 177                 *       Creates a new <code>Sell</code> offer from the given <code>record</code>
 178                 *       using the other parameters to determine stall id and commodity id of the offer.
 179                 *
 180                 *       @param record the record with data to create the offer from
 181                 *       @param stallMap a map containing the ids of the various stalls
 182                 *       @param commodMap a map containing the ids of the various commodities
 183                 */
 184                 public Sell(ArrayList<String> record, LinkedHashMap<String,Integer> stallMap, HashMap<String,Integer> commodMap) {
 185                         super(record,stallMap,commodMap,4);
 186                 }
 187
 188                 /**
 189                 *       Sorts by commodity index ascending, then price ascending, then stall id ascending.
 190                 */
 191                 public int compareTo(Sell sell) {
 192                         // organize by: commodity index, price, stall index
 193                         if(commodity == sell.commodity) {
 194                                 // organize by price, then by stall index
 195                                 if(price == sell.price) {
 196                                         // organize by stall index
 197                                         return shoppe>sell.shoppe ? 1 : -1;
 198                                 } else if(price > sell.price) {
 199                                         return 1;
 200                                 } else {
 201                                         return -1;
 202                                 }
 203                         } else if(commodity > sell.commodity) {
 204                                 return 1;
 205                         } else {
 206                                 return -1;
 207                         }
 208                 }
 209         }
 210
 211         /**
 212         *       Entry point.  Read our preferences.
 213         */
 214         public MarketUploader() {
 215                 // check if we've been turned off in the control panel
 216                 Preferences prefs = Preferences.userNodeForPackage(getClass());
 217
 218                 if (prefs.getBoolean("useLiveServers", false)) {
 219                         YARRG_URL = YARRG_LIVE_URL;
 220                         PCTB_HOST_URL = PCTB_LIVE_HOST_URL;
 221                 } else {
 222                         YARRG_URL = YARRG_TEST_URL;
 223                         PCTB_HOST_URL = PCTB_TEST_HOST_URL;
 224                 }
 225
 226                 uploadToYarrg=prefs.getBoolean("uploadToYarrg", true);
 227                 uploadToPCTB=prefs.getBoolean("uploadToPCTB", true);
 228
 229                 EventQueueMonitor.addTopLevelWindowListener(this);
 230                 if (EventQueueMonitor.isGUIInitialized()) {
 231                         createGUI();
 232                 } else {
 233                         EventQueueMonitor.addGUIInitializedListener(this);
 234                 }
 235         }
 236
 237         /**
 238         *       Set up the GUI, with its window and one-button
 239         *       interface. Only initialize if we're running alongside
 240         *       a Window named "Puzzle Pirates" though.
 241         */
 242         private void createGUI() {
 243                 if (frame != null && window != null) {
 244                         if (window.getAccessibleContext().getAccessibleName().equals("Puzzle Pirates")) frame.setVisible(true);
 245                         return;
 246                 }
 247                 frame = new JFrame("MarketUploader");
 248                 frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
 249                 frame.getContentPane().setLayout(new GridLayout(2,1));
 250                 //frame.setPreferredSize(new Dimension(200, 60));
 251
 252                 findMarket = new JButton("Upload Market Data");
 253                 findMarket.addActionListener(new ActionListener() {
 254                         public void actionPerformed(ActionEvent e) {
 255                                 findMarket.setEnabled(false);
 256                                 new Thread() {
 257                                         public void run() {
 258                                                 resultSummary.setText("");
 259                                                 try {
 260                                                         runPCTB();
 261                                                 } catch(Exception e) {
 262                                                         error(e.toString());
 263                                                         e.printStackTrace();
 264                                                         resultSummary.setText("failed");
 265                                                 } finally {
 266                                                         if(sidePanel != null) {
 267                                                                 // remove it if it's still attached
 268                                                                 sidePanel.removePropertyChangeListener(changeListener);
 269                                                         }
 270                                                 }
 271                                                 //findMarketTable();
 272                                                 findMarket.setEnabled(true);
 273                                         }
 274                                 }.start();
 275                         }
 276                 });
 277                 frame.add(findMarket);
 278
 279                 resultSummary = new JLabel("ready");
 280                 frame.add(resultSummary);
 281
 282                 frame.pack();
 283         }
 284
 285         /**
 286         *       Finds the island name from the /who tab, sets global islandName variable
 287         */
 288         private void getIsland() {
 289
 290                 // If the league tracker is there, we can skip the faff
 291                 // and ask for its tooltip, since we're on a boat
 292
 293                 Accessible leagueTracker = descendNodes(window,new int[] {0,1,0,0,2,1,1,1});
 294                 try {
 295                         islandName = ((JLabel)leagueTracker).getToolTipText();
 296                 } catch (NullPointerException e) {
 297                         // evidently we're actually on an island
 298
 299                         islandName = null;
 300                         AccessibleContext chatArea = descendNodes(window,new int[] {0,1,0,0,0,2,0,0,2}).getAccessibleContext();
 301                         // attach the property change listener to the outer sunshine panel if the "ahoy" tab
 302                         // is not active, otherwise attach it to the scroll panel in the "ahoy" tab.
 303                         if(!"com.threerings.piracy.client.AttentionListPanel".
 304                            equals(descendNodes(window,new int[] {0,1,0,0,2,2,0}).getClass().getCanonicalName())) {
 305                                 sidePanel = descendNodes(window,new int[] {0,1,0,0,2,2}).getAccessibleContext();
 306                         } else {
 307                                 sidePanel = descendNodes(window,new int[] {0,1,0,0,2,2,0,0,0}).getAccessibleContext();
 308                         }
 309                         sidePanel.addPropertyChangeListener(changeListener);
 310                         latch = new java.util.concurrent.CountDownLatch(1);
 311                         // make the Players Online ("/who") panel appear
 312                         AccessibleEditableText chat = chatArea.getAccessibleEditableText();
 313                         chat.setTextContents("/w");
 314                         int c = chatArea.getAccessibleAction().getAccessibleActionCount();
 315                         for(int i=0;i<c;i++) {
 316                                 if("notify-field-accept".equals(chatArea.getAccessibleAction().getAccessibleActionDescription(i))) {
 317                                         chatArea.getAccessibleAction().doAccessibleAction(i);
 318                                 }
 319                         }
 320                 }
 321                 // if we don't find the island name, hopefully the server will
 322         }
 323
 324         /**
 325          *      Find the ocean name from the window title, and set global oceanName variable
 326          */
 327         private void getOcean() {
 328                 oceanName = null;
 329                 AccessibleContext topwindow = window.getAccessibleContext();
 330                 oceanName = topwindow.getAccessibleName().replaceAll(".*on the (\\w+) ocean", "$1");
 331         }
 332
 333
 334         /**
 335         *       Shows a dialog with the error <code>msg</code>.
 336         *
 337         *       @param msg a String describing the error that occured.
 338         */
 339         private void error(String msg) {
 340                 JOptionPane.showMessageDialog(frame,msg,"Error",JOptionPane.ERROR_MESSAGE);
 341         }
 342
 343         private void error_html(String msg, String html) {
 344                 //System.err.println("===" + html + "===");
 345
 346                 Pattern body = Pattern.compile("<body>(.*)</body>", Pattern.DOTALL | Pattern.CASE_INSENSITIVE);
 347                 Matcher m = body.matcher(html);
 348                 if (m.find()) {
 349                         html = m.group(1);
 350                         Pattern fixup = Pattern.compile("<(\\w+) */>");;
 351                         m = fixup.matcher(html);
 352                         html = m.replaceAll("<$1>");
 353                         m = Pattern.compile("[\\r\\n]+").matcher(html);
 354                         html = m.replaceAll(" ");
 355                 }
 356                 String whole_msg = "<html><h1>Error</h1>"+msg+"<h1>PCTB Server said:</h1><blockquote>"+html+"</blockquote>";
 357                 System.err.println("###" + whole_msg + "###");
 358
 359                 JOptionPane.showMessageDialog(frame,whole_msg,"Error",JOptionPane.ERROR_MESSAGE);
 360         }
 361
 362         /**
 363         *       Run the data collection process, and upload the results. This is the method
 364         *       that calls most of the other worker methods for the process. If an error occurs,
 365         *       the method will call the error method and return early, freeing up the button
 366         *       to be clicked again.
 367         *
 368         *       @exception Exception if an error we didn't expect occured
 369         */
 370         private void runPCTB() throws Exception {
 371                 String yarrgts = "";
 372                 ProgressMonitor pm = new ProgressMonitor(frame,"Processing Market Data","Getting table data",0,100);
 373                 pm.setMillisToDecideToPopup(0);
 374                 pm.setMillisToPopup(0);
 375                 boolean doneyarrg = false, donepctb = false;
 376
 377                 if (uploadToYarrg) {
 378                         yarrgts = getYarrgTimestamp();
 379                 }
 380
 381                 AccessibleTable t = findMarketTable();
 382                 if(t == null) {
 383                         error("Market table not found! Please open the Buy/Sell Commodities interface.");
 384                         return;
 385                 }
 386                 if(t.getAccessibleRowCount() == 0) {
 387                         error("No data found, please wait for the table to have data first!");
 388                         return;
 389                 }
 390                 if(!isDisplayAll()) {
 391                         error("Please select \"All\" from the Display: popup menu.");
 392                         return;
 393                 }
 394
 395                 getIsland();
 396                 getOcean();
 397
 398                 if (latch != null) {
 399                     latch.await(2, java.util.concurrent.TimeUnit.SECONDS);
 400                 }
 401
 402                 ArrayList<ArrayList<String>> data = getData(t);
 403
 404                 if (uploadToYarrg && yarrgts != null) {
 405                         pm.setNote("Preparing data for Yarrg");
 406                         pm.setProgress(10);
 407
 408                         StringBuilder yarrgsb = new StringBuilder();
 409                         String yarrgdata; // string containing what we'll feed to yarrg
 410
 411                         for (ArrayList<String> row : data) {
 412                                 if (row.size() > 6) {
 413                                         row.remove(6);
 414                                 }
 415                                 for (String rowitem : row) {
 416                                         yarrgsb.append(rowitem != null ? rowitem : "");
 417                                         yarrgsb.append("\t");
 418                                 }
 419                                 yarrgsb.setLength(yarrgsb.length()-1); // chop
 420                                 yarrgsb.append("\n");
 421                         }
 422
 423                         yarrgdata = yarrgsb.toString();
 424
 425                         pm.setNote("Uploading to Yarrg");
 426
 427                         if (islandName != null) {
 428                                 doneyarrg = runYarrg(yarrgts, oceanName, islandName, yarrgdata);
 429                         } else {
 430                                 System.out.println("Couldn't upload to Yarrg - no island name found");
 431                         }
 432                 }
 433
 434                 pm.setNote("Getting stall names");
 435                 pm.setProgress(20);
 436                 if(pm.isCanceled()) {
 437                         return;
 438                 }
 439                 TreeSet<Offer> buys = new TreeSet<Offer>();
 440                 TreeSet<Offer> sells = new TreeSet<Offer>();
 441                 LinkedHashMap<String,Integer> stallMap = getStallMap(data);
 442                 pm.setProgress(40);
 443                 pm.setNote("Sorting offers");
 444                 if(pm.isCanceled()) {
 445                         return;
 446                 }
 447                 // get commod map
 448
 449                 HashMap<String,Integer> commodMap = getCommodMap();
 450                 if(commodMap == null) {
 451                         return;
 452                 }
 453                 int[] offerCount = getBuySellMaps(data,buys,sells,stallMap,commodMap);
 454                 //println(buys.toString());
 455                 //System.out.println(sells);
 456                 //System.out.println("\n\n\n"+buys);
 457
 458                 if (uploadToPCTB) {
 459                         ByteArrayOutputStream outStream = new ByteArrayOutputStream();
 460                         pm.setProgress(60);
 461                         pm.setNote("Sending data");
 462                         if(pm.isCanceled()) {
 463                                 return;
 464                         }
 465                         GZIPOutputStream out = new GZIPOutputStream(outStream);
 466                         //FileOutputStream out = new FileOutputStream(new File("output.text"));
 467                         DataOutputStream dos = new DataOutputStream(out);
 468                         dos.writeBytes("005y\n");
 469                         dos.writeBytes(stallMap.size()+"\n");
 470                         dos.writeBytes(getAbbrevStallList(stallMap));
 471                         writeBuySellOffers(buys,sells,offerCount,out);
 472                         out.finish();
 473                         InputStream in = sendInitialData(new ByteArrayInputStream(outStream.toByteArray()));
 474                         if (in == null) return;
 475                         pm.setProgress(80);
 476                         if(pm.isCanceled()) {
 477                                 return;
 478                         }
 479                         pm.setNote("Waiting for PCTB...");
 480                         donepctb = finishUpload(in);
 481                 }
 482                 pm.setProgress(100);
 483
 484                 if ((uploadToPCTB && !donepctb) ||
 485                     (uploadToYarrg && !doneyarrg)) {
 486                         resultSummary.setText("trouble");
 487                 } else if (donepctb || doneyarrg) {
 488                         resultSummary.setText("Done " + islandName);
 489                 } else {
 490                         resultSummary.setText("uploaded nowhere!");
 491                 }
 492         }
 493
 494         /**
 495         *       Get the offer data out of the table and cache it in an <code>ArrayList</code>.
 496         *
 497         *       @param table the <code>AccessibleTable</code> containing the market data
 498         *       @return an array of record arrays, each representing a row of the table
 499         */
 500         private ArrayList<ArrayList<String>> getData(AccessibleTable table) {
 501                 ArrayList<ArrayList<String>> data = new ArrayList<ArrayList<String>>();
 502                 for (int i = 0; i < table.getAccessibleRowCount(); i++) {
 503                         ArrayList<String> row = new ArrayList<String>();
 504                         for (int j = 0; j < table.getAccessibleColumnCount(); j++) {
 505                                 row.add(table.getAccessibleAt(i, j).getAccessibleContext().getAccessibleName());
 506                         }
 507                         data.add(row);
 508                 }
 509                 return data;
 510         }
 511
 512         /**
 513         *       @return the table containing market data if it exists, otherwise <code>null</code>
 514         */
 515         public AccessibleTable findMarketTable() {
 516                 Accessible node1 = window;
 517                 Accessible node = descendNodes(node1,new int[] {0,1,0,0,0,0,1,0,0,1,0,0}); // commod market
 518                 // commod market: {0,1,0,0,0,0,1,0,0,1,0}  {0,1,0,0,0,0,1,0,1,0,0,1,0,0})
 519                 //System.out.println(node);
 520                 if (!(node instanceof JTable)) {
 521                         node = descendNodes(node1,new int[] {0,1,0,0,0,0,1,0,1,0,0,1,0,0}); // commod market
 522                 }
 523                 if (!(node instanceof JTable)) return null;
 524                 AccessibleTable table = node.getAccessibleContext().getAccessibleTable();
 525                 //System.out.println(table);
 526                 return table;
 527         }
 528
 529         /**
 530         *       Utility method to descend through several levels of Accessible children
 531         *       at once.
 532         *
 533         *       @param parent the node on which to start the descent
 534         *       @param path an array of ints, each int being the index of the next
 535         *       accessible child to descend.
 536         *       @return the <code>Accessible</code> reached by following the descent path,
 537         *       or <code>null</code> if the desired path was invalid.
 538         */
 539         private Accessible descendNodes(Accessible parent, int[] path) {
 540                 for(int i=0;i<path.length;i++) {
 541                         if (null == (parent = descend(parent, path[i]))) return null;
 542                         // System.out.println(parent.getClass());
 543                 }
 544                 return parent;
 545         }
 546
 547         /**
 548         *       Descends one level to the specified child of the parent <code>Accessible</code> "node".
 549         *
 550         *       @param parent the node with children
 551         *       @param childNum the index of the child of <code>parent</code> to return
 552         *       @return the <code>childNum</code> child of <code>parent</code> or <code>null</code>
 553         *       if the child is not found.
 554         */
 555         private Accessible descend(Accessible parent, int childNum) {
 556                 if (childNum >= parent.getAccessibleContext().getAccessibleChildrenCount()) return null;
 557                 return parent.getAccessibleContext().getAccessibleChild(childNum);
 558         }
 559
 560         public static void main(String[] args) {
 561                 new MarketUploader();
 562         }
 563
 564         /**
 565         *       Set the global window variable after the YPP window is created,
 566         *       remove the top level window listener, and start the GUI
 567         */
 568         public void topLevelWindowCreated(Window w) {
 569                 window = w;
 570                 EventQueueMonitor.removeTopLevelWindowListener(this);
 571                 createGUI();
 572         }
 573
 574         /**
 575         *       Returns true if the "Display:" menu on the commodities interface in YPP is set to "All"
 576         *
 577         *       @return <code>true</code> if all commodities are displayed, otherwise <code>false</code>
 578         */
 579         private boolean isDisplayAll() {
 580                 Accessible button = descendNodes(window,new int[] {0,1,0,0,0,0,1,0,0,0,1});
 581                 if(!(button instanceof JButton)) {
 582                         button = descendNodes(window,new int[] {0,1,0,0,0,0,1,0,1,0,0,0,1});
 583                 }
 584                 String display = button.getAccessibleContext().getAccessibleName();
 585                 if(!display.equals("All")) {
 586                         return false;
 587                 }
 588                 return true;
 589         }
 590
 591         public void topLevelWindowDestroyed(Window w) {}
 592
 593         public void guiInitialized() {
 594                 createGUI();
 595         }
 596
 597         /**
 598         *       Gets the list of commodities and their associated commodity ids.
 599         *       On the first run, the data is downloaded from the PCTB server.
 600         *       After the first run, the data is cached using <code>Preferences</code>.
 601         *       <p>
 602         *       Potential issues: When more commodities are added to the server, this
 603         *       program will currently break unless the user deletes the preferences
 604         *       file or we give them a new release with a slighly different storage
 605         *       location for the data.
 606         *
 607         *       @return a map where the key is the commodity and the value is the commodity id.
 608         */
 609         private HashMap<String,Integer> getCommodMap() {
 610                 if(commodMap != null) {
 611                         return commodMap;
 612                 }
 613                 HashMap<String,Integer> map = new HashMap<String,Integer>();
 614                 Preferences prefs = Preferences.userNodeForPackage(getClass());
 615                 String xml;
 616                 try {
 617                         URL host = new URL(PCTB_HOST_URL + "commodmap.php");
 618                         BufferedReader br = new BufferedReader(new InputStreamReader(host.openStream()));
 619                         StringBuilder sb = new StringBuilder();
 620                         String str;
 621                         while((str = br.readLine()) != null) {
 622                                 sb.append(str);
 623                         }
 624                         int first = sb.indexOf("<pre>") + 5;
 625                         int last = sb.indexOf("</body>");
 626                         xml = sb.substring(first,last);
 627                         //System.out.println(xml);
 628                         Reader reader = new CharArrayReader(xml.toCharArray());
 629                         Document d = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new InputSource(reader));
 630                         NodeList maps = d.getElementsByTagName("CommodMap");
 631                         for(int i=0;i<maps.getLength();i++) {
 632                                 NodeList content = maps.item(i).getChildNodes();
 633                                 Integer num = Integer.parseInt(content.item(1).getTextContent());
 634                                 map.put(content.item(0).getTextContent(),num);
 635                         }
 636                 } catch(Exception e) {
 637                         e.printStackTrace();
 638                         error("Unable to load Commodity list from server!");
 639                         return null;
 640                 }
 641                 commodMap = map;
 642                 return map;
 643         }
 644
 645         /**
 646         *       Given the list of offers, this method will find all the unique stall names
 647         *       and return them in a <code>LinkedHashMap</code> where the key is the stall name
 648         *       and the value is the generated stall id (position in the list).
 649         *       <p>
 650         *       The reason this method returns a LinkedHashMap instead of a simple HashMap is the need
 651         *       for iterating over the stall names in insertion order for output to the server.
 652         *
 653         *       @param offers the list of records from the commodity buy/sell interface
 654         *       @return an iterable ordered map of the stall names and generated stall ids
 655         */
 656         private LinkedHashMap<String,Integer> getStallMap(ArrayList<ArrayList<String>> offers) {
 657                 int count = 0;
 658                 LinkedHashMap<String,Integer> map = new LinkedHashMap<String,Integer>();
 659                 for(ArrayList<String> offer : offers) {
 660                         String shop = offer.get(1);
 661                         if(!map.containsKey(shop)) {
 662                                 count++;
 663                                 map.put(shop,count);
 664                         }
 665                 }
 666                 return map;
 667         }
 668
 669         /**
 670         *       Gets a sorted list of Buys and Sells from the list of records. <code>buys</code> and <code>sells</code>
 671         *       should be pre-initialized and passed into the method to receive the data.
 672         *       Returns a 2-length int array with the number of buys and sells found.
 673         *
 674         *       @param offers the data found from the market table in-game
 675         *       @param buys an empty initialized <code>TreeSet&lt;Offer&gt;</code> to
 676         *       hold the Buy offers.
 677         *       @param sells an empty initialized <code>TreeSet&lt;Offer&gt;</code> to
 678         *       hold the Sell offers.
 679         *       @param stalls the map of stalls to their ids
 680         *       @param commodMap the map of commodities to their ids
 681         *       @return a 2-length int[] array containing the number of buys and sells, respectively
 682         */
 683         private int[] getBuySellMaps(ArrayList<ArrayList<String>> offers, TreeSet<Offer> buys,
 684                         TreeSet<Offer> sells, LinkedHashMap<String,Integer> stalls, HashMap<String,Integer> commodMap) {
 685                 int[] buySellCount = new int[2];
 686                 for(ArrayList<String> offer : offers) {
 687                         try {
 688                                 if(offer.get(2) != null) {
 689                                         buys.add(new Buy(offer,stalls,commodMap));
 690                                         buySellCount[0]++;
 691                                 }
 692                                 if(offer.get(4) != null) {
 693                                         sells.add(new Sell(offer,stalls,commodMap));
 694                                         buySellCount[1]++;
 695                                 }
 696                         } catch(IllegalArgumentException e) {
 697                                 System.err.println("Error: Unsupported Commodity \"" + offer.get(0) + "\"");
 698                         }
 699                 }
 700                 if (buySellCount[0]==0 && buySellCount[1]==0) {
 701                     error("No (valid) offers for PCTB?!");
 702                     throw new IllegalArgumentException();
 703                 }
 704                 return buySellCount;
 705         }
 706
 707         /**
 708         *       Prepares the list of stalls for writing to the output stream.
 709         *       The <code>String</code> returned by this method is ready to be written
 710         *       directly to the stream.
 711         *       <p>
 712         *       All shoppe names are left as they are. Stall names are abbreviated just before the
 713         *       apostrophe in the possessive, with an "^" and a letter matching the stall's type
 714         *       appended. Example: "Burninator's Ironworking Stall" would become "Burninator^I".
 715         *
 716         *       @param stallMap the map of stalls and stall ids in an iterable order
 717         *       @return a <code>String</code> containing the list of stalls in format ready
 718         *       to be written to the output stream.
 719         */
 720         private String getAbbrevStallList(LinkedHashMap<String,Integer> stallMap) {
 721                 // set up some mapping
 722                 HashMap<String,String> types = new HashMap<String,String>();
 723                 types.put("Apothecary Stall", "A");
 724                 types.put("Distilling Stall", "D");
 725                 types.put("Furnishing Stall", "F");
 726                 types.put("Ironworking Stall", "I");
 727                 types.put("Shipbuilding Stall", "S");
 728                 types.put("Tailoring Stall", "T");
 729                 types.put("Weaving Stall", "W");
 730
 731                 StringBuilder sb = new StringBuilder();
 732                 for(String name : stallMap.keySet()) {
 733                         int index = name.indexOf("'s");
 734                         String finalName = name;
 735                         String type = null;
 736                         if (index > 0) {
 737                                 finalName = name.substring(0,index);
 738                                 if(index + 2 < name.length()) {
 739                                         String end = name.substring(index+2,name.length()).trim();
 740                                         type = types.get(end);
 741                                 }
 742                         }
 743                         if(type==null) {
 744                                 sb.append(name+"\n");
 745                         } else {
 746                                 sb.append(finalName+"^"+type+"\n");
 747                         }
 748                 }
 749                 return sb.toString();
 750         }
 751
 752         /**
 753         *       Writes a list of offers in correct format to the output stream.
 754         *       <p>
 755         *       The format is thus: (all numbers are 2-byte integers in little-endian format)
 756         *       (number of offers of this type, aka buy/sell)
 757         *       (commodity ID) (number of offers for this commodity) [shopID price qty][shopID price qty]...
 758         *
 759         *       @param out the output stream to write the data to
 760         *       @param offers the offers to write
 761         */
 762         private void writeOffers(OutputStream out, TreeSet<Offer> offers) throws IOException {
 763                 ByteArrayOutputStream buffer = new ByteArrayOutputStream();
 764                 if(offers.size() == 0) {
 765                         // nothing to write, and "0" has already been written
 766                         return;
 767                 }
 768                 int commodity = offers.first().commodity;
 769                 int count = 0;
 770                 for(Offer offer : offers) {
 771                         if(commodity != offer.commodity) {
 772                                 // write out buffer
 773                                 writeBufferedOffers(out,buffer.toByteArray(),commodity,count);
 774                                 buffer.reset();
 775                                 commodity = offer.commodity;
 776                                 count = 0;
 777                         }
 778                         writeLEShort(offer.shoppe,buffer); // stall index
 779                         writeLEShort(offer.price,buffer); // buy price
 780                         writeLEShort(offer.quantity,buffer); // buy qty
 781                         count++;
 782                 }
 783                 writeBufferedOffers(out,buffer.toByteArray(),commodity,count);
 784         }
 785
 786         /**
 787         *       Writes the buffered data to the output strea for one commodity.
 788         *
 789         *       @param out the stream to write to
 790         *       @param buffer the buffered data to write
 791         *       @param commodity the commmodity id to write before the buffered data
 792         *       @param count the number of offers for this commodity to write before the data
 793         */
 794         private void writeBufferedOffers(OutputStream out, byte[] buffer, int commodity, int count) throws IOException {
 795                 writeLEShort(commodity,out); // commod index
 796                 writeLEShort(count,out); // offer count
 797                 out.write(buffer); // the buffered offers
 798         }
 799
 800         /**
 801         *       Writes the buy and sell offers to the outputstream by calling other methods.
 802         *
 803         *       @param buys list of Buy offers to write
 804         *       @param sells list of Sell offers to write
 805         *       @param offerCount 2-length int array containing the number of buys and sells to write out
 806         *       @param out the stream to write to
 807         */
 808         private void writeBuySellOffers(TreeSet<Offer> buys,
 809                         TreeSet<Offer> sells, int[] offerCount, OutputStream out) throws IOException {
 810                 // # buy offers
 811                 writeLEShort(offerCount[0],out);
 812                 writeOffers(out,buys);
 813                 // # sell offers
 814                 writeLEShort(offerCount[1],out);
 815                 writeOffers(out,sells);
 816         }
 817
 818         private String readstreamstring(InputStream in) throws IOException {
 819                 StringBuilder sb = new StringBuilder();
 820                 BufferedReader br = new BufferedReader(new InputStreamReader(in));
 821                 String str;
 822                 while((str = br.readLine()) != null) {
 823                         sb.append(str+"\n");
 824                 }
 825                 return sb.toString();
 826         }
 827
 828         /**
 829         *       Sends the data to the server via multipart-formdata POST,
 830         *       with the gzipped data as a file upload.
 831         *
 832         *       @param file an InputStream open to the gzipped data we want to send
 833         */
 834         private InputStream sendInitialData(InputStream file) throws IOException {
 835                 ClientHttpRequest http = new ClientHttpRequest(PCTB_HOST_URL + "upload.php");
 836                 http.setParameter("marketdata","marketdata.gz",file,"application/gzip");
 837                 if (!http.post()) {
 838                         String err = readstreamstring(http.resultstream());
 839                         error("Error sending initial data:\n"+err);
 840                         return null;
 841                 }
 842                 return http.resultstream();
 843         }
 844
 845         /**
 846         *       Utility method to write a 2-byte int in little-endian form to an output stream.
 847         *
 848         *       @param num an integer to write
 849         *       @param out stream to write to
 850         */
 851         private void writeLEShort(int num, OutputStream out) throws IOException {
 852                 out.write(num & 0xFF);
 853                 out.write((num >>> 8) & 0xFF);
 854         }
 855
 856         /**
 857         *       Reads the response from the server, and selects the correct parameters
 858         *       which are sent in a GET request to the server asking it to confirm
 859         *       the upload and accept the data into the database. Notably, the island id
 860         *       and ocean id are determined, while other parameter such as the filename
 861         *       are determined from the hidden form fields.
 862         *
 863         *       @param in stream of data from the server to read
 864         */
 865         private boolean finishUpload(InputStream in) throws IOException {
 866                 String html = readstreamstring(in);
 867                 //System.out.println(html);
 868                 Matcher m;
 869
 870                 Pattern params = Pattern.compile("(?s)<input type=\"hidden\" name=\"action\" value=\"setisland\" />.+?<input type=\"hidden\" name=\"forcereload\" value=\"([^\"]+)\" />.+?<input type=\"hidden\" name=\"filename\" value=\"([^\"]+)\" />");
 871                 m = params.matcher(html);
 872                 if(!m.find()) {
 873                         error_html("The PCTB server returned unusual data. Maybe you're using an old version of the uploader?",
 874                                    html);
 875                         return false;
 876                 }
 877                 String forceReload = m.group(1);
 878                 String filename = m.group(2);
 879
 880                 Pattern oceanNumPat = Pattern.compile("<option value=\"(\\d+)\">"+oceanName+"</option>");
 881                 m = oceanNumPat.matcher(html);
 882                 if (!m.find()) {
 883                         error_html("Unable to find the ocean in the server's list of oceans!", html);
 884                         return false;
 885                 }
 886                 String oceanNum = m.group(1);
 887
 888                 Pattern oceanIslandNum = Pattern.compile("islands\\[" + oceanNum + "\\]\\[\\d+\\]=new Option\\(\"" + islandName + "\",(\\d+)");
 889                 m = oceanIslandNum.matcher(html);
 890                 if(!m.find()) {
 891                         error_html("This does not seem to be a valid island! Unable to upload.", html);
 892                         return false;
 893                 }
 894                 String islandNum = m.group(1);
 895
 896                 URL get = new URL(PCTB_HOST_URL + "upload.php?action=setisland&ocean=" + oceanNum + "&island="
 897                         + islandNum + "&forcereload=" + forceReload + "&filename=" + filename);
 898                 String complete = readstreamstring(get.openStream());
 899                 Pattern done = Pattern.compile("Your data has been integrated into the database. Thank you!");
 900                 m = done.matcher(complete);
 901                 if(m.find()) {
 902                         System.out.println("FILE upload successful!!!");
 903                         return true;
 904                 } else {
 905                         error_html("Something was wrong with the final upload parameters!", complete);
 906                         return false;
 907                 }
 908         }
 909
 910     private InputStream post_for_yarrg(ClientHttpRequest http) throws IOException {
 911         if (!http.post()) {
 912             String err = readstreamstring(http.resultstream());
 913             error("<html><h1>Error reported by YARRG server</h1>\n" + err);
 914             return null;
 915         }
 916         return http.resultstream();
 917     }
 918
 919     private String getYarrgTimestamp() throws IOException {
 920         ClientHttpRequest http = new ClientHttpRequest (YARRG_URL);
 921         http.setParameter("clientname", YARRG_CLIENTNAME);
 922         http.setParameter("clientversion", YARRG_CLIENTVERSION);
 923         http.setParameter("clientfixes", YARRG_CLIENTFIXES);
 924         http.setParameter("requesttimestamp", "y");
 925         InputStream in = post_for_yarrg(http);
 926         if (in == null) return null;
 927         BufferedReader br = new BufferedReader(new InputStreamReader(in));
 928         String tsresult = br.readLine();
 929         return tsresult.substring(3, tsresult.length()-1);
 930     }
 931
 932     private boolean runYarrg(String timestamp, String ocean, String island, String yarrgdata) throws IOException {
 933         ByteArrayOutputStream bos = new ByteArrayOutputStream();
 934         BufferedOutputStream bufos = new BufferedOutputStream(new GZIPOutputStream(bos));
 935         bufos.write(yarrgdata.getBytes() );
 936         bufos.close();
 937         ByteArrayInputStream file = new ByteArrayInputStream(bos.toByteArray());
 938
 939         ClientHttpRequest http = new ClientHttpRequest (YARRG_URL);
 940         http.setParameter("clientname", YARRG_CLIENTNAME);
 941         http.setParameter("clientversion", YARRG_CLIENTVERSION);
 942         http.setParameter("clientfixes", YARRG_CLIENTFIXES);
 943         http.setParameter("timestamp", timestamp);
 944         http.setParameter("ocean", ocean);
 945         http.setParameter("island", island);
 946         http.setParameter("data", "deduped.tsv.gz", file, "application/octet-stream");
 947         InputStream in = post_for_yarrg(http);
 948         if (in == null) return false;
 949         BufferedReader br = new BufferedReader(new InputStreamReader(in));
 950         String yarrgresult;
 951         while((yarrgresult = br.readLine()) != null) {
 952             System.out.println(yarrgresult);
 953         }
 954         return true;
 955     }
 956
 957 }