source: josm/trunk/src/org/openstreetmap/josm/data/CustomConfigurator.java@ 11435

Last change on this file since 11435 was 11381, checked in by Don-vip, 7 years ago

findbugs - RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE

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File size: 49.9 KB
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1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.data;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.io.BufferedInputStream;
7import java.io.ByteArrayInputStream;
8import java.io.CharArrayReader;
9import java.io.CharArrayWriter;
10import java.io.File;
11import java.io.FileInputStream;
12import java.io.IOException;
13import java.io.InputStream;
14import java.nio.charset.StandardCharsets;
15import java.util.ArrayList;
16import java.util.Collection;
17import java.util.Collections;
18import java.util.HashMap;
19import java.util.HashSet;
20import java.util.Iterator;
21import java.util.List;
22import java.util.Locale;
23import java.util.Map;
24import java.util.Map.Entry;
25import java.util.Set;
26import java.util.SortedMap;
27import java.util.TreeMap;
28import java.util.regex.Matcher;
29import java.util.regex.Pattern;
30
31import javax.script.ScriptEngine;
32import javax.script.ScriptEngineManager;
33import javax.script.ScriptException;
34import javax.swing.JOptionPane;
35import javax.swing.SwingUtilities;
36import javax.xml.parsers.DocumentBuilder;
37import javax.xml.parsers.ParserConfigurationException;
38import javax.xml.stream.XMLStreamException;
39import javax.xml.transform.OutputKeys;
40import javax.xml.transform.Transformer;
41import javax.xml.transform.TransformerException;
42import javax.xml.transform.TransformerFactory;
43import javax.xml.transform.TransformerFactoryConfigurationError;
44import javax.xml.transform.dom.DOMSource;
45import javax.xml.transform.stream.StreamResult;
46
47import org.openstreetmap.josm.Main;
48import org.openstreetmap.josm.data.preferences.ListListSetting;
49import org.openstreetmap.josm.data.preferences.ListSetting;
50import org.openstreetmap.josm.data.preferences.MapListSetting;
51import org.openstreetmap.josm.data.preferences.Setting;
52import org.openstreetmap.josm.data.preferences.StringSetting;
53import org.openstreetmap.josm.gui.io.DownloadFileTask;
54import org.openstreetmap.josm.plugins.PluginDownloadTask;
55import org.openstreetmap.josm.plugins.PluginInformation;
56import org.openstreetmap.josm.plugins.ReadLocalPluginInformationTask;
57import org.openstreetmap.josm.tools.LanguageInfo;
58import org.openstreetmap.josm.tools.Utils;
59import org.w3c.dom.DOMException;
60import org.w3c.dom.Document;
61import org.w3c.dom.Element;
62import org.w3c.dom.Node;
63import org.w3c.dom.NodeList;
64import org.xml.sax.SAXException;
65
66/**
67 * Class to process configuration changes stored in XML
68 * can be used to modify preferences, store/delete files in .josm folders etc
69 */
70public final class CustomConfigurator {
71
72 private static StringBuilder summary = new StringBuilder();
73
74 private CustomConfigurator() {
75 // Hide default constructor for utils classes
76 }
77
78 /**
79 * Log a formatted message.
80 * @param fmt format
81 * @param vars arguments
82 * @see String#format
83 */
84 public static void log(String fmt, Object... vars) {
85 summary.append(String.format(fmt, vars));
86 }
87
88 /**
89 * Log a message.
90 * @param s message to log
91 */
92 public static void log(String s) {
93 summary.append(s);
94 summary.append('\n');
95 }
96
97 /**
98 * Log an exception.
99 * @param e exception to log
100 * @param s message prefix
101 * @since 10469
102 */
103 public static void log(Exception e, String s) {
104 summary.append(s + ' ' + Main.getErrorMessage(e));
105 summary.append('\n');
106 }
107
108 /**
109 * Returns the log.
110 * @return the log
111 */
112 public static String getLog() {
113 return summary.toString();
114 }
115
116 /**
117 * Resets the log.
118 */
119 public static void resetLog() {
120 summary = new StringBuilder();
121 }
122
123 /**
124 * Read configuration script from XML file, modifying main preferences
125 * @param dir - directory
126 * @param fileName - XML file name
127 */
128 public static void readXML(String dir, String fileName) {
129 readXML(new File(dir, fileName));
130 }
131
132 /**
133 * Read configuration script from XML file, modifying given preferences object
134 * @param file - file to open for reading XML
135 * @param prefs - arbitrary Preferences object to modify by script
136 */
137 public static void readXML(final File file, final Preferences prefs) {
138 synchronized (CustomConfigurator.class) {
139 busy = true;
140 }
141 new XMLCommandProcessor(prefs).openAndReadXML(file);
142 synchronized (CustomConfigurator.class) {
143 CustomConfigurator.class.notifyAll();
144 busy = false;
145 }
146 }
147
148 /**
149 * Read configuration script from XML file, modifying main preferences
150 * @param file - file to open for reading XML
151 */
152 public static void readXML(File file) {
153 readXML(file, Main.pref);
154 }
155
156 /**
157 * Downloads file to one of JOSM standard folders
158 * @param address - URL to download
159 * @param path - file path relative to base where to put downloaded file
160 * @param base - only "prefs", "cache" and "plugins" allowed for standard folders
161 */
162 public static void downloadFile(String address, String path, String base) {
163 processDownloadOperation(address, path, getDirectoryByAbbr(base), true, false);
164 }
165
166 /**
167 * Downloads file to one of JOSM standard folders and unpack it as ZIP/JAR file
168 * @param address - URL to download
169 * @param path - file path relative to base where to put downloaded file
170 * @param base - only "prefs", "cache" and "plugins" allowed for standard folders
171 */
172 public static void downloadAndUnpackFile(String address, String path, String base) {
173 processDownloadOperation(address, path, getDirectoryByAbbr(base), true, true);
174 }
175
176 /**
177 * Downloads file to arbitrary folder
178 * @param address - URL to download
179 * @param path - file path relative to parentDir where to put downloaded file
180 * @param parentDir - folder where to put file
181 * @param mkdir - if true, non-existing directories will be created
182 * @param unzip - if true file wil be unzipped and deleted after download
183 */
184 public static void processDownloadOperation(String address, String path, String parentDir, boolean mkdir, boolean unzip) {
185 String dir = parentDir;
186 if (path.contains("..") || path.startsWith("/") || path.contains(":")) {
187 return; // some basic protection
188 }
189 File fOut = new File(dir, path);
190 DownloadFileTask downloadFileTask = new DownloadFileTask(Main.parent, address, fOut, mkdir, unzip);
191
192 Main.worker.submit(downloadFileTask);
193 log("Info: downloading file from %s to %s in background ", parentDir, fOut.getAbsolutePath());
194 if (unzip) log("and unpacking it"); else log("");
195
196 }
197
198 /**
199 * Simple function to show messageBox, may be used from JS API and from other code
200 * @param type - 'i','w','e','q','p' for Information, Warning, Error, Question, Message
201 * @param text - message to display, HTML allowed
202 */
203 public static void messageBox(String type, String text) {
204 char c = (type == null || type.isEmpty() ? "plain" : type).charAt(0);
205 switch (c) {
206 case 'i': JOptionPane.showMessageDialog(Main.parent, text, tr("Information"), JOptionPane.INFORMATION_MESSAGE); break;
207 case 'w': JOptionPane.showMessageDialog(Main.parent, text, tr("Warning"), JOptionPane.WARNING_MESSAGE); break;
208 case 'e': JOptionPane.showMessageDialog(Main.parent, text, tr("Error"), JOptionPane.ERROR_MESSAGE); break;
209 case 'q': JOptionPane.showMessageDialog(Main.parent, text, tr("Question"), JOptionPane.QUESTION_MESSAGE); break;
210 case 'p': JOptionPane.showMessageDialog(Main.parent, text, tr("Message"), JOptionPane.PLAIN_MESSAGE); break;
211 default: Main.warn("Unsupported messageBox type: " + c);
212 }
213 }
214
215 /**
216 * Simple function for choose window, may be used from JS API and from other code
217 * @param text - message to show, HTML allowed
218 * @param opts -
219 * @return number of pressed button, -1 if cancelled
220 */
221 public static int askForOption(String text, String opts) {
222 if (!opts.isEmpty()) {
223 return JOptionPane.showOptionDialog(Main.parent, text, "Question",
224 JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, opts.split(";"), 0);
225 } else {
226 return JOptionPane.showOptionDialog(Main.parent, text, "Question",
227 JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, 2);
228 }
229 }
230
231 public static String askForText(String text) {
232 String s = JOptionPane.showInputDialog(Main.parent, text, tr("Enter text"), JOptionPane.QUESTION_MESSAGE);
233 return s != null ? s.trim() : null;
234 }
235
236 /**
237 * This function exports part of user preferences to specified file.
238 * Default values are not saved.
239 * @param filename - where to export
240 * @param append - if true, resulting file cause appending to exuisting preferences
241 * @param keys - which preferences keys you need to export ("imagery.entries", for example)
242 */
243 public static void exportPreferencesKeysToFile(String filename, boolean append, String... keys) {
244 Set<String> keySet = new HashSet<>();
245 Collections.addAll(keySet, keys);
246 exportPreferencesKeysToFile(filename, append, keySet);
247 }
248
249 /**
250 * This function exports part of user preferences to specified file.
251 * Default values are not saved.
252 * Preference keys matching specified pattern are saved
253 * @param fileName - where to export
254 * @param append - if true, resulting file cause appending to exuisting preferences
255 * @param pattern - Regexp pattern forh preferences keys you need to export (".*imagery.*", for example)
256 */
257 public static void exportPreferencesKeysByPatternToFile(String fileName, boolean append, String pattern) {
258 List<String> keySet = new ArrayList<>();
259 Map<String, Setting<?>> allSettings = Main.pref.getAllSettings();
260 for (String key: allSettings.keySet()) {
261 if (key.matches(pattern))
262 keySet.add(key);
263 }
264 exportPreferencesKeysToFile(fileName, append, keySet);
265 }
266
267 /**
268 * Export specified preferences keys to configuration file
269 * @param filename - name of file
270 * @param append - will the preferences be appended to existing ones when file is imported later.
271 * Elsewhere preferences from file will replace existing keys.
272 * @param keys - collection of preferences key names to save
273 */
274 public static void exportPreferencesKeysToFile(String filename, boolean append, Collection<String> keys) {
275 Element root = null;
276 Document document = null;
277 Document exportDocument = null;
278
279 try {
280 String toXML = Main.pref.toXML(true);
281 DocumentBuilder builder = Utils.newSafeDOMBuilder();
282 document = builder.parse(new ByteArrayInputStream(toXML.getBytes(StandardCharsets.UTF_8)));
283 exportDocument = builder.newDocument();
284 root = document.getDocumentElement();
285 } catch (SAXException | IOException | ParserConfigurationException ex) {
286 Main.warn(ex, "Error getting preferences to save:");
287 }
288 if (root == null || exportDocument == null)
289 return;
290 try {
291 Element newRoot = exportDocument.createElement("config");
292 exportDocument.appendChild(newRoot);
293
294 Element prefElem = exportDocument.createElement("preferences");
295 prefElem.setAttribute("operation", append ? "append" : "replace");
296 newRoot.appendChild(prefElem);
297
298 NodeList childNodes = root.getChildNodes();
299 int n = childNodes.getLength();
300 for (int i = 0; i < n; i++) {
301 Node item = childNodes.item(i);
302 if (item.getNodeType() == Node.ELEMENT_NODE) {
303 String currentKey = ((Element) item).getAttribute("key");
304 if (keys.contains(currentKey)) {
305 Node imported = exportDocument.importNode(item, true);
306 prefElem.appendChild(imported);
307 }
308 }
309 }
310 File f = new File(filename);
311 Transformer ts = TransformerFactory.newInstance().newTransformer();
312 ts.setOutputProperty(OutputKeys.INDENT, "yes");
313 ts.transform(new DOMSource(exportDocument), new StreamResult(f.toURI().getPath()));
314 } catch (DOMException | TransformerFactoryConfigurationError | TransformerException ex) {
315 Main.warn("Error saving preferences part:");
316 Main.error(ex);
317 }
318 }
319
320 public static void deleteFile(String path, String base) {
321 String dir = getDirectoryByAbbr(base);
322 if (dir == null) {
323 log("Error: Can not find base, use base=cache, base=prefs or base=plugins attribute.");
324 return;
325 }
326 log("Delete file: %s\n", path);
327 if (path.contains("..") || path.startsWith("/") || path.contains(":")) {
328 return; // some basic protection
329 }
330 File fOut = new File(dir, path);
331 if (fOut.exists()) {
332 deleteFileOrDirectory(fOut);
333 }
334 }
335
336 public static void deleteFileOrDirectory(File f) {
337 if (f.isDirectory()) {
338 File[] files = f.listFiles();
339 if (files != null) {
340 for (File f1: files) {
341 deleteFileOrDirectory(f1);
342 }
343 }
344 }
345 if (!Utils.deleteFile(f)) {
346 log("Warning: Can not delete file "+f.getPath());
347 }
348 }
349
350 private static boolean busy;
351
352 public static void pluginOperation(String install, String uninstall, String delete) {
353 final List<String> installList = new ArrayList<>();
354 final List<String> removeList = new ArrayList<>();
355 final List<String> deleteList = new ArrayList<>();
356 Collections.addAll(installList, install.toLowerCase(Locale.ENGLISH).split(";"));
357 Collections.addAll(removeList, uninstall.toLowerCase(Locale.ENGLISH).split(";"));
358 Collections.addAll(deleteList, delete.toLowerCase(Locale.ENGLISH).split(";"));
359 installList.remove("");
360 removeList.remove("");
361 deleteList.remove("");
362
363 if (!installList.isEmpty()) {
364 log("Plugins install: "+installList);
365 }
366 if (!removeList.isEmpty()) {
367 log("Plugins turn off: "+removeList);
368 }
369 if (!deleteList.isEmpty()) {
370 log("Plugins delete: "+deleteList);
371 }
372
373 final ReadLocalPluginInformationTask task = new ReadLocalPluginInformationTask();
374 Runnable r = () -> {
375 if (task.isCanceled()) return;
376 synchronized (CustomConfigurator.class) {
377 try { // proceed only after all other tasks were finished
378 while (busy) CustomConfigurator.class.wait();
379 } catch (InterruptedException ex) {
380 Main.warn(ex, "InterruptedException while reading local plugin information");
381 }
382
383 SwingUtilities.invokeLater(() -> {
384 List<PluginInformation> availablePlugins = task.getAvailablePlugins();
385 List<PluginInformation> toInstallPlugins = new ArrayList<>();
386 List<PluginInformation> toRemovePlugins = new ArrayList<>();
387 List<PluginInformation> toDeletePlugins = new ArrayList<>();
388 for (PluginInformation pi1: availablePlugins) {
389 String name = pi1.name.toLowerCase(Locale.ENGLISH);
390 if (installList.contains(name)) toInstallPlugins.add(pi1);
391 if (removeList.contains(name)) toRemovePlugins.add(pi1);
392 if (deleteList.contains(name)) toDeletePlugins.add(pi1);
393 }
394 if (!installList.isEmpty()) {
395 PluginDownloadTask pluginDownloadTask =
396 new PluginDownloadTask(Main.parent, toInstallPlugins, tr("Installing plugins"));
397 Main.worker.submit(pluginDownloadTask);
398 }
399 Collection<String> pls = new ArrayList<>(Main.pref.getCollection("plugins"));
400 for (PluginInformation pi2: toInstallPlugins) {
401 if (!pls.contains(pi2.name)) {
402 pls.add(pi2.name);
403 }
404 }
405 for (PluginInformation pi3: toRemovePlugins) {
406 pls.remove(pi3.name);
407 }
408 for (PluginInformation pi4: toDeletePlugins) {
409 pls.remove(pi4.name);
410 new File(Main.pref.getPluginsDirectory(), pi4.name+".jar").deleteOnExit();
411 }
412 Main.pref.putCollection("plugins", pls);
413 });
414 }
415 };
416 Main.worker.submit(task);
417 Main.worker.submit(r);
418 }
419
420 private static String getDirectoryByAbbr(String base) {
421 String dir;
422 if ("prefs".equals(base) || base.isEmpty()) {
423 dir = Main.pref.getPreferencesDirectory().getAbsolutePath();
424 } else if ("cache".equals(base)) {
425 dir = Main.pref.getCacheDirectory().getAbsolutePath();
426 } else if ("plugins".equals(base)) {
427 dir = Main.pref.getPluginsDirectory().getAbsolutePath();
428 } else {
429 dir = null;
430 }
431 return dir;
432 }
433
434 public static Preferences clonePreferences(Preferences pref) {
435 Preferences tmp = new Preferences();
436 tmp.settingsMap.putAll(pref.settingsMap);
437 tmp.defaultsMap.putAll(pref.defaultsMap);
438 tmp.colornames.putAll(pref.colornames);
439
440 return tmp;
441 }
442
443 public static class XMLCommandProcessor {
444
445 private Preferences mainPrefs;
446 private final Map<String, Element> tasksMap = new HashMap<>();
447
448 private boolean lastV; // last If condition result
449
450 private ScriptEngine engine;
451
452 public void openAndReadXML(File file) {
453 log("-- Reading custom preferences from " + file.getAbsolutePath() + " --");
454 try {
455 String fileDir = file.getParentFile().getAbsolutePath();
456 if (fileDir != null) engine.eval("scriptDir='"+normalizeDirName(fileDir) +"';");
457 try (InputStream is = new BufferedInputStream(new FileInputStream(file))) {
458 openAndReadXML(is);
459 }
460 } catch (ScriptException | IOException | SecurityException ex) {
461 log(ex, "Error reading custom preferences:");
462 }
463 }
464
465 public void openAndReadXML(InputStream is) {
466 try {
467 Document document = Utils.parseSafeDOM(is);
468 synchronized (CustomConfigurator.class) {
469 processXML(document);
470 }
471 } catch (SAXException | IOException | ParserConfigurationException ex) {
472 log(ex, "Error reading custom preferences:");
473 }
474 log("-- Reading complete --");
475 }
476
477 public XMLCommandProcessor(Preferences mainPrefs) {
478 try {
479 this.mainPrefs = mainPrefs;
480 resetLog();
481 engine = new ScriptEngineManager().getEngineByName("JavaScript");
482 engine.eval("API={}; API.pref={}; API.fragments={};");
483
484 engine.eval("homeDir='"+normalizeDirName(Main.pref.getPreferencesDirectory().getAbsolutePath()) +"';");
485 engine.eval("josmVersion="+Version.getInstance().getVersion()+';');
486 String className = CustomConfigurator.class.getName();
487 engine.eval("API.messageBox="+className+".messageBox");
488 engine.eval("API.askText=function(text) { return String("+className+".askForText(text));}");
489 engine.eval("API.askOption="+className+".askForOption");
490 engine.eval("API.downloadFile="+className+".downloadFile");
491 engine.eval("API.downloadAndUnpackFile="+className+".downloadAndUnpackFile");
492 engine.eval("API.deleteFile="+className+".deleteFile");
493 engine.eval("API.plugin ="+className+".pluginOperation");
494 engine.eval("API.pluginInstall = function(names) { "+className+".pluginOperation(names,'','');}");
495 engine.eval("API.pluginUninstall = function(names) { "+className+".pluginOperation('',names,'');}");
496 engine.eval("API.pluginDelete = function(names) { "+className+".pluginOperation('','',names);}");
497 } catch (ScriptException ex) {
498 log("Error: initializing script engine: "+ex.getMessage());
499 Main.error(ex);
500 }
501 }
502
503 private void processXML(Document document) {
504 processXmlFragment(document.getDocumentElement());
505 }
506
507 private void processXmlFragment(Element root) {
508 NodeList childNodes = root.getChildNodes();
509 int nops = childNodes.getLength();
510 for (int i = 0; i < nops; i++) {
511 Node item = childNodes.item(i);
512 if (item.getNodeType() != Node.ELEMENT_NODE) continue;
513 String elementName = item.getNodeName();
514 Element elem = (Element) item;
515
516 switch(elementName) {
517 case "var":
518 setVar(elem.getAttribute("name"), evalVars(elem.getAttribute("value")));
519 break;
520 case "task":
521 tasksMap.put(elem.getAttribute("name"), elem);
522 break;
523 case "runtask":
524 if (processRunTaskElement(elem)) return;
525 break;
526 case "ask":
527 processAskElement(elem);
528 break;
529 case "if":
530 processIfElement(elem);
531 break;
532 case "else":
533 processElseElement(elem);
534 break;
535 case "break":
536 return;
537 case "plugin":
538 processPluginInstallElement(elem);
539 break;
540 case "messagebox":
541 processMsgBoxElement(elem);
542 break;
543 case "preferences":
544 processPreferencesElement(elem);
545 break;
546 case "download":
547 processDownloadElement(elem);
548 break;
549 case "delete":
550 processDeleteElement(elem);
551 break;
552 case "script":
553 processScriptElement(elem);
554 break;
555 default:
556 log("Error: Unknown element " + elementName);
557 }
558 }
559 }
560
561 private void processPreferencesElement(Element item) {
562 String oper = evalVars(item.getAttribute("operation"));
563 String id = evalVars(item.getAttribute("id"));
564
565 if ("delete-keys".equals(oper)) {
566 String pattern = evalVars(item.getAttribute("pattern"));
567 String key = evalVars(item.getAttribute("key"));
568 PreferencesUtils.deletePreferenceKey(key, mainPrefs);
569 PreferencesUtils.deletePreferenceKeyByPattern(pattern, mainPrefs);
570 return;
571 }
572
573 Preferences tmpPref = readPreferencesFromDOMElement(item);
574 PreferencesUtils.showPrefs(tmpPref);
575
576 if (!id.isEmpty()) {
577 try {
578 String fragmentVar = "API.fragments['"+id+"']";
579 engine.eval(fragmentVar+"={};");
580 PreferencesUtils.loadPrefsToJS(engine, tmpPref, fragmentVar, false);
581 // we store this fragment as API.fragments['id']
582 } catch (ScriptException ex) {
583 log(ex, "Error: can not load preferences fragment:");
584 }
585 }
586
587 if ("replace".equals(oper)) {
588 log("Preferences replace: %d keys: %s\n",
589 tmpPref.getAllSettings().size(), tmpPref.getAllSettings().keySet().toString());
590 PreferencesUtils.replacePreferences(tmpPref, mainPrefs);
591 } else if ("append".equals(oper)) {
592 log("Preferences append: %d keys: %s\n",
593 tmpPref.getAllSettings().size(), tmpPref.getAllSettings().keySet().toString());
594 PreferencesUtils.appendPreferences(tmpPref, mainPrefs);
595 } else if ("delete-values".equals(oper)) {
596 PreferencesUtils.deletePreferenceValues(tmpPref, mainPrefs);
597 }
598 }
599
600 private void processDeleteElement(Element item) {
601 String path = evalVars(item.getAttribute("path"));
602 String base = evalVars(item.getAttribute("base"));
603 deleteFile(path, base);
604 }
605
606 private void processDownloadElement(Element item) {
607 String base = evalVars(item.getAttribute("base"));
608 String dir = getDirectoryByAbbr(base);
609 if (dir == null) {
610 log("Error: Can not find directory to place file, use base=cache, base=prefs or base=plugins attribute.");
611 return;
612 }
613
614 String path = evalVars(item.getAttribute("path"));
615 if (path.contains("..") || path.startsWith("/") || path.contains(":")) {
616 return; // some basic protection
617 }
618
619 String address = evalVars(item.getAttribute("url"));
620 if (address.isEmpty() || path.isEmpty()) {
621 log("Error: Please specify url=\"where to get file\" and path=\"where to place it\"");
622 return;
623 }
624
625 String unzip = evalVars(item.getAttribute("unzip"));
626 String mkdir = evalVars(item.getAttribute("mkdir"));
627 processDownloadOperation(address, path, dir, "true".equals(mkdir), "true".equals(unzip));
628 }
629
630 private static void processPluginInstallElement(Element elem) {
631 String install = elem.getAttribute("install");
632 String uninstall = elem.getAttribute("remove");
633 String delete = elem.getAttribute("delete");
634 pluginOperation(install, uninstall, delete);
635 }
636
637 private void processMsgBoxElement(Element elem) {
638 String text = evalVars(elem.getAttribute("text"));
639 String locText = evalVars(elem.getAttribute(LanguageInfo.getJOSMLocaleCode()+".text"));
640 if (!locText.isEmpty()) text = locText;
641
642 String type = evalVars(elem.getAttribute("type"));
643 messageBox(type, text);
644 }
645
646 private void processAskElement(Element elem) {
647 String text = evalVars(elem.getAttribute("text"));
648 String locText = evalVars(elem.getAttribute(LanguageInfo.getJOSMLocaleCode()+".text"));
649 if (!locText.isEmpty()) text = locText;
650 String var = elem.getAttribute("var");
651 if (var.isEmpty()) var = "result";
652
653 String input = evalVars(elem.getAttribute("input"));
654 if ("true".equals(input)) {
655 setVar(var, askForText(text));
656 } else {
657 String opts = evalVars(elem.getAttribute("options"));
658 String locOpts = evalVars(elem.getAttribute(LanguageInfo.getJOSMLocaleCode()+".options"));
659 if (!locOpts.isEmpty()) opts = locOpts;
660 setVar(var, String.valueOf(askForOption(text, opts)));
661 }
662 }
663
664 public void setVar(String name, String value) {
665 try {
666 engine.eval(name+"='"+value+"';");
667 } catch (ScriptException ex) {
668 log(ex, String.format("Error: Can not assign variable: %s=%s :", name, value));
669 }
670 }
671
672 private void processIfElement(Element elem) {
673 String realValue = evalVars(elem.getAttribute("test"));
674 boolean v = false;
675 if ("true".equals(realValue) || "false".equals(realValue)) {
676 processXmlFragment(elem);
677 v = true;
678 } else {
679 log("Error: Illegal test expression in if: %s=%s\n", elem.getAttribute("test"), realValue);
680 }
681
682 lastV = v;
683 }
684
685 private void processElseElement(Element elem) {
686 if (!lastV) {
687 processXmlFragment(elem);
688 }
689 }
690
691 private boolean processRunTaskElement(Element elem) {
692 String taskName = elem.getAttribute("name");
693 Element task = tasksMap.get(taskName);
694 if (task != null) {
695 log("EXECUTING TASK "+taskName);
696 processXmlFragment(task); // process task recursively
697 } else {
698 log("Error: Can not execute task "+taskName);
699 return true;
700 }
701 return false;
702 }
703
704 private void processScriptElement(Element elem) {
705 String js = elem.getChildNodes().item(0).getTextContent();
706 log("Processing script...");
707 try {
708 PreferencesUtils.modifyPreferencesByScript(engine, mainPrefs, js);
709 } catch (ScriptException ex) {
710 messageBox("e", ex.getMessage());
711 log(ex, "JS error:");
712 }
713 log("Script finished");
714 }
715
716 /**
717 * substitute ${expression} = expression evaluated by JavaScript
718 * @param s string
719 * @return evaluation result
720 */
721 private String evalVars(String s) {
722 Matcher mr = Pattern.compile("\\$\\{([^\\}]*)\\}").matcher(s);
723 StringBuffer sb = new StringBuffer();
724 while (mr.find()) {
725 try {
726 String result = engine.eval(mr.group(1)).toString();
727 mr.appendReplacement(sb, result);
728 } catch (ScriptException ex) {
729 log(ex, String.format("Error: Can not evaluate expression %s :", mr.group(1)));
730 }
731 }
732 mr.appendTail(sb);
733 return sb.toString();
734 }
735
736 private Preferences readPreferencesFromDOMElement(Element item) {
737 Preferences tmpPref = new Preferences();
738 try {
739 Transformer xformer = TransformerFactory.newInstance().newTransformer();
740 CharArrayWriter outputWriter = new CharArrayWriter(8192);
741 StreamResult out = new StreamResult(outputWriter);
742
743 xformer.transform(new DOMSource(item), out);
744
745 String fragmentWithReplacedVars = evalVars(outputWriter.toString());
746
747 CharArrayReader reader = new CharArrayReader(fragmentWithReplacedVars.toCharArray());
748 tmpPref.fromXML(reader);
749 } catch (TransformerException | XMLStreamException | IOException ex) {
750 log(ex, "Error: can not read XML fragment:");
751 }
752
753 return tmpPref;
754 }
755
756 private static String normalizeDirName(String dir) {
757 String s = dir.replace('\\', '/');
758 if (s.endsWith("/")) s = s.substring(0, s.length()-1);
759 return s;
760 }
761 }
762
763 /**
764 * Helper class to do specific Preferences operation - appending, replacing,
765 * deletion by key and by value
766 * Also contains functions that convert preferences object to JavaScript object and back
767 */
768 public static final class PreferencesUtils {
769
770 private PreferencesUtils() {
771 // Hide implicit public constructor for utility class
772 }
773
774 private static void replacePreferences(Preferences fragment, Preferences mainpref) {
775 for (Entry<String, Setting<?>> entry: fragment.settingsMap.entrySet()) {
776 mainpref.putSetting(entry.getKey(), entry.getValue());
777 }
778 }
779
780 private static void appendPreferences(Preferences fragment, Preferences mainpref) {
781 for (Entry<String, Setting<?>> entry: fragment.settingsMap.entrySet()) {
782 String key = entry.getKey();
783 if (entry.getValue() instanceof StringSetting) {
784 mainpref.putSetting(key, entry.getValue());
785 } else if (entry.getValue() instanceof ListSetting) {
786 ListSetting lSetting = (ListSetting) entry.getValue();
787 Collection<String> newItems = getCollection(mainpref, key, true);
788 if (newItems == null) continue;
789 for (String item : lSetting.getValue()) {
790 // add nonexisting elements to then list
791 if (!newItems.contains(item)) {
792 newItems.add(item);
793 }
794 }
795 mainpref.putCollection(key, newItems);
796 } else if (entry.getValue() instanceof ListListSetting) {
797 ListListSetting llSetting = (ListListSetting) entry.getValue();
798 Collection<Collection<String>> newLists = getArray(mainpref, key, true);
799 if (newLists == null) continue;
800
801 for (Collection<String> list : llSetting.getValue()) {
802 // add nonexisting list (equals comparison for lists is used implicitly)
803 if (!newLists.contains(list)) {
804 newLists.add(list);
805 }
806 }
807 mainpref.putArray(key, newLists);
808 } else if (entry.getValue() instanceof MapListSetting) {
809 MapListSetting mlSetting = (MapListSetting) entry.getValue();
810 List<Map<String, String>> newMaps = getListOfStructs(mainpref, key, true);
811 if (newMaps == null) continue;
812
813 // get existing properties as list of maps
814
815 for (Map<String, String> map : mlSetting.getValue()) {
816 // add nonexisting map (equals comparison for maps is used implicitly)
817 if (!newMaps.contains(map)) {
818 newMaps.add(map);
819 }
820 }
821 mainpref.putListOfStructs(entry.getKey(), newMaps);
822 }
823 }
824 }
825
826 /**
827 * Delete items from {@code mainpref} collections that match items from {@code fragment} collections.
828 * @param fragment preferences
829 * @param mainpref main preferences
830 */
831 private static void deletePreferenceValues(Preferences fragment, Preferences mainpref) {
832
833 for (Entry<String, Setting<?>> entry : fragment.settingsMap.entrySet()) {
834 String key = entry.getKey();
835 if (entry.getValue() instanceof StringSetting) {
836 StringSetting sSetting = (StringSetting) entry.getValue();
837 // if mentioned value found, delete it
838 if (sSetting.equals(mainpref.settingsMap.get(key))) {
839 mainpref.put(key, null);
840 }
841 } else if (entry.getValue() instanceof ListSetting) {
842 ListSetting lSetting = (ListSetting) entry.getValue();
843 Collection<String> newItems = getCollection(mainpref, key, true);
844 if (newItems == null) continue;
845
846 // remove mentioned items from collection
847 for (String item : lSetting.getValue()) {
848 log("Deleting preferences: from list %s: %s\n", key, item);
849 newItems.remove(item);
850 }
851 mainpref.putCollection(entry.getKey(), newItems);
852 } else if (entry.getValue() instanceof ListListSetting) {
853 ListListSetting llSetting = (ListListSetting) entry.getValue();
854 Collection<Collection<String>> newLists = getArray(mainpref, key, true);
855 if (newLists == null) continue;
856
857 // if items are found in one of lists, remove that list!
858 Iterator<Collection<String>> listIterator = newLists.iterator();
859 while (listIterator.hasNext()) {
860 Collection<String> list = listIterator.next();
861 for (Collection<String> removeList : llSetting.getValue()) {
862 if (list.containsAll(removeList)) {
863 // remove current list, because it matches search criteria
864 log("Deleting preferences: list from lists %s: %s\n", key, list);
865 listIterator.remove();
866 }
867 }
868 }
869
870 mainpref.putArray(key, newLists);
871 } else if (entry.getValue() instanceof MapListSetting) {
872 MapListSetting mlSetting = (MapListSetting) entry.getValue();
873 List<Map<String, String>> newMaps = getListOfStructs(mainpref, key, true);
874 if (newMaps == null) continue;
875
876 Iterator<Map<String, String>> mapIterator = newMaps.iterator();
877 while (mapIterator.hasNext()) {
878 Map<String, String> map = mapIterator.next();
879 for (Map<String, String> removeMap : mlSetting.getValue()) {
880 if (map.entrySet().containsAll(removeMap.entrySet())) {
881 // the map contain all mentioned key-value pair, so it should be deleted from "maps"
882 log("Deleting preferences: deleting map from maps %s: %s\n", key, map);
883 mapIterator.remove();
884 }
885 }
886 }
887 mainpref.putListOfStructs(entry.getKey(), newMaps);
888 }
889 }
890 }
891
892 private static void deletePreferenceKeyByPattern(String pattern, Preferences pref) {
893 Map<String, Setting<?>> allSettings = pref.getAllSettings();
894 for (Entry<String, Setting<?>> entry : allSettings.entrySet()) {
895 String key = entry.getKey();
896 if (key.matches(pattern)) {
897 log("Deleting preferences: deleting key from preferences: " + key);
898 pref.putSetting(key, null);
899 }
900 }
901 }
902
903 private static void deletePreferenceKey(String key, Preferences pref) {
904 Map<String, Setting<?>> allSettings = pref.getAllSettings();
905 if (allSettings.containsKey(key)) {
906 log("Deleting preferences: deleting key from preferences: " + key);
907 pref.putSetting(key, null);
908 }
909 }
910
911 private static Collection<String> getCollection(Preferences mainpref, String key, boolean warnUnknownDefault) {
912 ListSetting existing = Utils.cast(mainpref.settingsMap.get(key), ListSetting.class);
913 ListSetting defaults = Utils.cast(mainpref.defaultsMap.get(key), ListSetting.class);
914 if (existing == null && defaults == null) {
915 if (warnUnknownDefault) defaultUnknownWarning(key);
916 return null;
917 }
918 if (existing != null)
919 return new ArrayList<>(existing.getValue());
920 else
921 return defaults.getValue() == null ? null : new ArrayList<>(defaults.getValue());
922 }
923
924 private static Collection<Collection<String>> getArray(Preferences mainpref, String key, boolean warnUnknownDefault) {
925 ListListSetting existing = Utils.cast(mainpref.settingsMap.get(key), ListListSetting.class);
926 ListListSetting defaults = Utils.cast(mainpref.defaultsMap.get(key), ListListSetting.class);
927
928 if (existing == null && defaults == null) {
929 if (warnUnknownDefault) defaultUnknownWarning(key);
930 return null;
931 }
932 if (existing != null)
933 return new ArrayList<>(existing.getValue());
934 else
935 return defaults.getValue() == null ? null : new ArrayList<>(defaults.getValue());
936 }
937
938 private static List<Map<String, String>> getListOfStructs(Preferences mainpref, String key, boolean warnUnknownDefault) {
939 MapListSetting existing = Utils.cast(mainpref.settingsMap.get(key), MapListSetting.class);
940 MapListSetting defaults = Utils.cast(mainpref.settingsMap.get(key), MapListSetting.class);
941
942 if (existing == null && defaults == null) {
943 if (warnUnknownDefault) defaultUnknownWarning(key);
944 return null;
945 }
946
947 if (existing != null)
948 return new ArrayList<>(existing.getValue());
949 else
950 return defaults.getValue() == null ? null : new ArrayList<>(defaults.getValue());
951 }
952
953 private static void defaultUnknownWarning(String key) {
954 log("Warning: Unknown default value of %s , skipped\n", key);
955 JOptionPane.showMessageDialog(
956 Main.parent,
957 tr("<html>Settings file asks to append preferences to <b>{0}</b>,<br/> "+
958 "but its default value is unknown at this moment.<br/> " +
959 "Please activate corresponding function manually and retry importing.", key),
960 tr("Warning"),
961 JOptionPane.WARNING_MESSAGE);
962 }
963
964 private static void showPrefs(Preferences tmpPref) {
965 Main.info("properties: " + tmpPref.settingsMap);
966 }
967
968 private static void modifyPreferencesByScript(ScriptEngine engine, Preferences tmpPref, String js) throws ScriptException {
969 loadPrefsToJS(engine, tmpPref, "API.pref", true);
970 engine.eval(js);
971 readPrefsFromJS(engine, tmpPref, "API.pref");
972 }
973
974 /**
975 * Convert JavaScript preferences object to preferences data structures
976 * @param engine - JS engine to put object
977 * @param tmpPref - preferences to fill from JS
978 * @param varInJS - JS variable name, where preferences are stored
979 * @throws ScriptException if the evaluation fails
980 */
981 public static void readPrefsFromJS(ScriptEngine engine, Preferences tmpPref, String varInJS) throws ScriptException {
982 String finish =
983 "stringMap = new java.util.TreeMap ;"+
984 "listMap = new java.util.TreeMap ;"+
985 "listlistMap = new java.util.TreeMap ;"+
986 "listmapMap = new java.util.TreeMap ;"+
987 "for (key in "+varInJS+") {"+
988 " val = "+varInJS+"[key];"+
989 " type = typeof val == 'string' ? 'string' : val.type;"+
990 " if (type == 'string') {"+
991 " stringMap.put(key, val);"+
992 " } else if (type == 'list') {"+
993 " l = new java.util.ArrayList;"+
994 " for (i=0; i<val.length; i++) {"+
995 " l.add(java.lang.String.valueOf(val[i]));"+
996 " }"+
997 " listMap.put(key, l);"+
998 " } else if (type == 'listlist') {"+
999 " l = new java.util.ArrayList;"+
1000 " for (i=0; i<val.length; i++) {"+
1001 " list=val[i];"+
1002 " jlist=new java.util.ArrayList;"+
1003 " for (j=0; j<list.length; j++) {"+
1004 " jlist.add(java.lang.String.valueOf(list[j]));"+
1005 " }"+
1006 " l.add(jlist);"+
1007 " }"+
1008 " listlistMap.put(key, l);"+
1009 " } else if (type == 'listmap') {"+
1010 " l = new java.util.ArrayList;"+
1011 " for (i=0; i<val.length; i++) {"+
1012 " map=val[i];"+
1013 " jmap=new java.util.TreeMap;"+
1014 " for (var key2 in map) {"+
1015 " jmap.put(key2,java.lang.String.valueOf(map[key2]));"+
1016 " }"+
1017 " l.add(jmap);"+
1018 " }"+
1019 " listmapMap.put(key, l);"+
1020 " } else {" +
1021 " org.openstreetmap.josm.data.CustomConfigurator.log('Unknown type:'+val.type+ '- use list, listlist or listmap'); }"+
1022 " }";
1023 engine.eval(finish);
1024
1025 @SuppressWarnings("unchecked")
1026 Map<String, String> stringMap = (Map<String, String>) engine.get("stringMap");
1027 @SuppressWarnings("unchecked")
1028 Map<String, List<String>> listMap = (SortedMap<String, List<String>>) engine.get("listMap");
1029 @SuppressWarnings("unchecked")
1030 Map<String, List<Collection<String>>> listlistMap = (SortedMap<String, List<Collection<String>>>) engine.get("listlistMap");
1031 @SuppressWarnings("unchecked")
1032 Map<String, List<Map<String, String>>> listmapMap = (SortedMap<String, List<Map<String, String>>>) engine.get("listmapMap");
1033
1034 tmpPref.settingsMap.clear();
1035
1036 Map<String, Setting<?>> tmp = new HashMap<>();
1037 for (Entry<String, String> e : stringMap.entrySet()) {
1038 tmp.put(e.getKey(), new StringSetting(e.getValue()));
1039 }
1040 for (Entry<String, List<String>> e : listMap.entrySet()) {
1041 tmp.put(e.getKey(), new ListSetting(e.getValue()));
1042 }
1043
1044 for (Entry<String, List<Collection<String>>> e : listlistMap.entrySet()) {
1045 @SuppressWarnings({ "unchecked", "rawtypes" })
1046 List<List<String>> value = (List) e.getValue();
1047 tmp.put(e.getKey(), new ListListSetting(value));
1048 }
1049 for (Entry<String, List<Map<String, String>>> e : listmapMap.entrySet()) {
1050 tmp.put(e.getKey(), new MapListSetting(e.getValue()));
1051 }
1052 for (Entry<String, Setting<?>> e : tmp.entrySet()) {
1053 if (e.getValue().equals(tmpPref.defaultsMap.get(e.getKey()))) continue;
1054 tmpPref.settingsMap.put(e.getKey(), e.getValue());
1055 }
1056 }
1057
1058 /**
1059 * Convert preferences data structures to JavaScript object
1060 * @param engine - JS engine to put object
1061 * @param tmpPref - preferences to convert
1062 * @param whereToPutInJS - variable name to store preferences in JS
1063 * @param includeDefaults - include known default values to JS objects
1064 * @throws ScriptException if the evaluation fails
1065 */
1066 public static void loadPrefsToJS(ScriptEngine engine, Preferences tmpPref, String whereToPutInJS, boolean includeDefaults)
1067 throws ScriptException {
1068 Map<String, String> stringMap = new TreeMap<>();
1069 Map<String, List<String>> listMap = new TreeMap<>();
1070 Map<String, List<List<String>>> listlistMap = new TreeMap<>();
1071 Map<String, List<Map<String, String>>> listmapMap = new TreeMap<>();
1072
1073 if (includeDefaults) {
1074 for (Map.Entry<String, Setting<?>> e: tmpPref.defaultsMap.entrySet()) {
1075 Setting<?> setting = e.getValue();
1076 if (setting instanceof StringSetting) {
1077 stringMap.put(e.getKey(), ((StringSetting) setting).getValue());
1078 } else if (setting instanceof ListSetting) {
1079 listMap.put(e.getKey(), ((ListSetting) setting).getValue());
1080 } else if (setting instanceof ListListSetting) {
1081 listlistMap.put(e.getKey(), ((ListListSetting) setting).getValue());
1082 } else if (setting instanceof MapListSetting) {
1083 listmapMap.put(e.getKey(), ((MapListSetting) setting).getValue());
1084 }
1085 }
1086 }
1087 tmpPref.settingsMap.entrySet().removeIf(e -> e.getValue().getValue() == null);
1088
1089 for (Map.Entry<String, Setting<?>> e: tmpPref.settingsMap.entrySet()) {
1090 Setting<?> setting = e.getValue();
1091 if (setting instanceof StringSetting) {
1092 stringMap.put(e.getKey(), ((StringSetting) setting).getValue());
1093 } else if (setting instanceof ListSetting) {
1094 listMap.put(e.getKey(), ((ListSetting) setting).getValue());
1095 } else if (setting instanceof ListListSetting) {
1096 listlistMap.put(e.getKey(), ((ListListSetting) setting).getValue());
1097 } else if (setting instanceof MapListSetting) {
1098 listmapMap.put(e.getKey(), ((MapListSetting) setting).getValue());
1099 }
1100 }
1101
1102 engine.put("stringMap", stringMap);
1103 engine.put("listMap", listMap);
1104 engine.put("listlistMap", listlistMap);
1105 engine.put("listmapMap", listmapMap);
1106
1107 String init =
1108 "function getJSList( javaList ) {"+
1109 " var jsList; var i; "+
1110 " if (javaList == null) return null;"+
1111 "jsList = [];"+
1112 " for (i = 0; i < javaList.size(); i++) {"+
1113 " jsList.push(String(list.get(i)));"+
1114 " }"+
1115 "return jsList;"+
1116 "}"+
1117 "function getJSMap( javaMap ) {"+
1118 " var jsMap; var it; var e; "+
1119 " if (javaMap == null) return null;"+
1120 " jsMap = {};"+
1121 " for (it = javaMap.entrySet().iterator(); it.hasNext();) {"+
1122 " e = it.next();"+
1123 " jsMap[ String(e.getKey()) ] = String(e.getValue()); "+
1124 " }"+
1125 " return jsMap;"+
1126 "}"+
1127 "for (it = stringMap.entrySet().iterator(); it.hasNext();) {"+
1128 " e = it.next();"+
1129 whereToPutInJS+"[String(e.getKey())] = String(e.getValue());"+
1130 "}\n"+
1131 "for (it = listMap.entrySet().iterator(); it.hasNext();) {"+
1132 " e = it.next();"+
1133 " list = e.getValue();"+
1134 " jslist = getJSList(list);"+
1135 " jslist.type = 'list';"+
1136 whereToPutInJS+"[String(e.getKey())] = jslist;"+
1137 "}\n"+
1138 "for (it = listlistMap.entrySet().iterator(); it.hasNext(); ) {"+
1139 " e = it.next();"+
1140 " listlist = e.getValue();"+
1141 " jslistlist = [];"+
1142 " for (it2 = listlist.iterator(); it2.hasNext(); ) {"+
1143 " list = it2.next(); "+
1144 " jslistlist.push(getJSList(list));"+
1145 " }"+
1146 " jslistlist.type = 'listlist';"+
1147 whereToPutInJS+"[String(e.getKey())] = jslistlist;"+
1148 "}\n"+
1149 "for (it = listmapMap.entrySet().iterator(); it.hasNext();) {"+
1150 " e = it.next();"+
1151 " listmap = e.getValue();"+
1152 " jslistmap = [];"+
1153 " for (it2 = listmap.iterator(); it2.hasNext();) {"+
1154 " map = it2.next();"+
1155 " jslistmap.push(getJSMap(map));"+
1156 " }"+
1157 " jslistmap.type = 'listmap';"+
1158 whereToPutInJS+"[String(e.getKey())] = jslistmap;"+
1159 "}\n";
1160
1161 // Execute conversion script
1162 engine.eval(init);
1163 }
1164 }
1165}
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