source: josm/trunk/src/org/openstreetmap/josm/tools/PlatformHookUnixoid.java@ 8512

Last change on this file since 8512 was 8510, checked in by Don-vip, 9 years ago

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1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.tools;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.Desktop;
7import java.awt.Dimension;
8import java.awt.GraphicsEnvironment;
9import java.awt.event.KeyEvent;
10import java.io.BufferedReader;
11import java.io.BufferedWriter;
12import java.io.File;
13import java.io.FileInputStream;
14import java.io.IOException;
15import java.io.InputStreamReader;
16import java.io.OutputStream;
17import java.io.OutputStreamWriter;
18import java.io.Writer;
19import java.net.URI;
20import java.net.URISyntaxException;
21import java.nio.charset.StandardCharsets;
22import java.nio.file.FileSystems;
23import java.nio.file.Files;
24import java.nio.file.Path;
25import java.nio.file.Paths;
26import java.security.KeyStore;
27import java.security.KeyStoreException;
28import java.security.NoSuchAlgorithmException;
29import java.security.cert.CertificateException;
30import java.util.ArrayList;
31import java.util.Arrays;
32import java.util.Collection;
33import java.util.List;
34import java.util.Locale;
35import java.util.Properties;
36
37import javax.swing.JOptionPane;
38
39import org.openstreetmap.josm.Main;
40import org.openstreetmap.josm.data.Preferences.pref;
41import org.openstreetmap.josm.data.Preferences.writeExplicitly;
42import org.openstreetmap.josm.gui.ExtendedDialog;
43import org.openstreetmap.josm.gui.util.GuiHelper;
44
45/**
46 * {@code PlatformHook} base implementation.
47 *
48 * Don't write (Main.platform instanceof PlatformHookUnixoid) because other platform
49 * hooks are subclasses of this class.
50 */
51public class PlatformHookUnixoid implements PlatformHook {
52
53 /**
54 * Simple data class to hold information about a font.
55 *
56 * Used for fontconfig.properties files.
57 */
58 public static class FontEntry {
59 /**
60 * The character subset. Basically a free identifier, but should be unique.
61 */
62 @pref
63 public String charset;
64
65 /**
66 * Platform font name.
67 */
68 @pref @writeExplicitly
69 public String name = "";
70
71 /**
72 * File name.
73 */
74 @pref @writeExplicitly
75 public String file = "";
76
77 /**
78 * Constructs a new {@code FontEntry}.
79 */
80 public FontEntry() {
81 }
82
83 /**
84 * Constructs a new {@code FontEntry}.
85 * @param charset The character subset. Basically a free identifier, but should be unique
86 * @param name Platform font name
87 * @param file File name
88 */
89 public FontEntry(String charset, String name, String file) {
90 this.charset = charset;
91 this.name = name;
92 this.file = file;
93 }
94 }
95
96 private String osDescription;
97
98 @Override
99 public void preStartupHook() {
100 }
101
102 @Override
103 public void afterPrefStartupHook() {
104 }
105
106 @Override
107 public void startupHook() {
108 }
109
110 @Override
111 public void openUrl(String url) throws IOException {
112 for (String program : Main.pref.getCollection("browser.unix",
113 Arrays.asList("xdg-open", "#DESKTOP#", "$BROWSER", "gnome-open", "kfmclient openURL", "firefox"))) {
114 try {
115 if ("#DESKTOP#".equals(program)) {
116 Desktop.getDesktop().browse(new URI(url));
117 } else if (program.startsWith("$")) {
118 program = System.getenv().get(program.substring(1));
119 Runtime.getRuntime().exec(new String[]{program, url});
120 } else {
121 Runtime.getRuntime().exec(new String[]{program, url});
122 }
123 return;
124 } catch (IOException | URISyntaxException e) {
125 Main.warn(e);
126 }
127 }
128 }
129
130 @Override
131 public void initSystemShortcuts() {
132 // TODO: Insert system shortcuts here. See Windows and especially OSX to see how to.
133 for (int i = KeyEvent.VK_F1; i <= KeyEvent.VK_F12; ++i)
134 Shortcut.registerSystemShortcut("screen:toogle"+i, tr("reserved"),
135 i, KeyEvent.CTRL_DOWN_MASK | KeyEvent.ALT_DOWN_MASK).setAutomatic();
136 Shortcut.registerSystemShortcut("system:reset", tr("reserved"),
137 KeyEvent.VK_DELETE, KeyEvent.CTRL_DOWN_MASK | KeyEvent.ALT_DOWN_MASK).setAutomatic();
138 Shortcut.registerSystemShortcut("system:resetX", tr("reserved"),
139 KeyEvent.VK_BACK_SPACE, KeyEvent.CTRL_DOWN_MASK | KeyEvent.ALT_DOWN_MASK).setAutomatic();
140 }
141
142 /**
143 * This should work for all platforms. Yeah, should.
144 * See PlatformHook.java for a list of reasons why
145 * this is implemented here...
146 */
147 @Override
148 public String makeTooltip(String name, Shortcut sc) {
149 String result = "";
150 result += "<html>";
151 result += name;
152 if (sc != null && !sc.getKeyText().isEmpty()) {
153 result += " ";
154 result += "<font size='-2'>";
155 result += "("+sc.getKeyText()+")";
156 result += "</font>";
157 }
158 return result + "&nbsp;</html>";
159 }
160
161 @Override
162 public String getDefaultStyle() {
163 return "javax.swing.plaf.metal.MetalLookAndFeel";
164 }
165
166 @Override
167 public boolean canFullscreen() {
168 return !GraphicsEnvironment.isHeadless() &&
169 GraphicsEnvironment.getLocalGraphicsEnvironment()
170 .getDefaultScreenDevice().isFullScreenSupported();
171 }
172
173 @Override
174 public boolean rename(File from, File to) {
175 return from.renameTo(to);
176 }
177
178 /**
179 * Determines if the JVM is OpenJDK-based.
180 * @return {@code true} if {@code java.home} contains "openjdk", {@code false} otherwise
181 * @since 6951
182 */
183 public static boolean isOpenJDK() {
184 String javaHome = System.getProperty("java.home");
185 return javaHome != null && javaHome.contains("openjdk");
186 }
187
188 /**
189 * Get the package name including detailed version.
190 * @param packageNames The possible package names (when a package can have different names on different distributions)
191 * @return The package name and package version if it can be identified, null otherwise
192 * @since 7314
193 */
194 public static String getPackageDetails(String ... packageNames) {
195 try {
196 boolean dpkg = Files.exists(Paths.get("/usr/bin/dpkg-query"));
197 boolean eque = Files.exists(Paths.get("/usr/bin/equery"));
198 boolean rpm = Files.exists(Paths.get("/bin/rpm"));
199 if (dpkg || rpm || eque) {
200 for (String packageName : packageNames) {
201 String[] args = null;
202 if (dpkg) {
203 args = new String[] {"dpkg-query", "--show", "--showformat", "${Architecture}-${Version}", packageName};
204 } else if (eque) {
205 args = new String[] {"equery", "-q", "list", "-e", "--format=$fullversion", packageName};
206 } else {
207 args = new String[] {"rpm", "-q", "--qf", "%{arch}-%{version}", packageName};
208 }
209 String version = Utils.execOutput(Arrays.asList(args));
210 if (version != null && !version.contains("not installed")) {
211 return packageName + ":" + version;
212 }
213 }
214 }
215 } catch (IOException e) {
216 Main.warn(e);
217 }
218 return null;
219 }
220
221 /**
222 * Get the Java package name including detailed version.
223 *
224 * Some Java bugs are specific to a certain security update, so in addition
225 * to the Java version, we also need the exact package version.
226 *
227 * @return The package name and package version if it can be identified, null otherwise
228 */
229 public String getJavaPackageDetails() {
230 String home = System.getProperty("java.home");
231 if (home.contains("java-7-openjdk") || home.contains("java-1.7.0-openjdk")) {
232 return getPackageDetails("openjdk-7-jre", "java-1_7_0-openjdk", "java-1.7.0-openjdk");
233 } else if (home.contains("icedtea")) {
234 return getPackageDetails("icedtea-bin");
235 } else if (home.contains("oracle")) {
236 return getPackageDetails("oracle-jdk-bin", "oracle-jre-bin");
237 }
238 return null;
239 }
240
241 /**
242 * Get the Web Start package name including detailed version.
243 *
244 * OpenJDK packages are shipped with icedtea-web package,
245 * but its version generally does not match main java package version.
246 *
247 * Simply return {@code null} if there's no separate package for Java WebStart.
248 *
249 * @return The package name and package version if it can be identified, null otherwise
250 */
251 public String getWebStartPackageDetails() {
252 if (isOpenJDK()) {
253 return getPackageDetails("icedtea-netx", "icedtea-web");
254 }
255 return null;
256 }
257
258 protected String buildOSDescription() {
259 String osName = System.getProperty("os.name");
260 if ("Linux".equalsIgnoreCase(osName)) {
261 try {
262 // Try lsb_release (only available on LSB-compliant Linux systems, see https://www.linuxbase.org/lsb-cert/productdir.php?by_prod )
263 Process p = Runtime.getRuntime().exec("lsb_release -ds");
264 try (BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream(), StandardCharsets.UTF_8))) {
265 String line = Utils.strip(input.readLine());
266 if (line != null && !line.isEmpty()) {
267 line = line.replaceAll("\"+", "");
268 line = line.replaceAll("NAME=", ""); // strange code for some Gentoo's
269 if (line.startsWith("Linux ")) // e.g. Linux Mint
270 return line;
271 else if (!line.isEmpty())
272 return "Linux " + line;
273 }
274 }
275 } catch (IOException e) {
276 // Non LSB-compliant Linux system. List of common fallback release files: http://linuxmafia.com/faq/Admin/release-files.html
277 for (LinuxReleaseInfo info : new LinuxReleaseInfo[]{
278 new LinuxReleaseInfo("/etc/lsb-release", "DISTRIB_DESCRIPTION", "DISTRIB_ID", "DISTRIB_RELEASE"),
279 new LinuxReleaseInfo("/etc/os-release", "PRETTY_NAME", "NAME", "VERSION"),
280 new LinuxReleaseInfo("/etc/arch-release"),
281 new LinuxReleaseInfo("/etc/debian_version", "Debian GNU/Linux "),
282 new LinuxReleaseInfo("/etc/fedora-release"),
283 new LinuxReleaseInfo("/etc/gentoo-release"),
284 new LinuxReleaseInfo("/etc/redhat-release"),
285 new LinuxReleaseInfo("/etc/SuSE-release")
286 }) {
287 String description = info.extractDescription();
288 if (description != null && !description.isEmpty()) {
289 return "Linux " + description;
290 }
291 }
292 }
293 }
294 return osName;
295 }
296
297 @Override
298 public String getOSDescription() {
299 if (osDescription == null) {
300 osDescription = buildOSDescription();
301 }
302 return osDescription;
303 }
304
305 protected static class LinuxReleaseInfo {
306 private final String path;
307 private final String descriptionField;
308 private final String idField;
309 private final String releaseField;
310 private final boolean plainText;
311 private final String prefix;
312
313 public LinuxReleaseInfo(String path, String descriptionField, String idField, String releaseField) {
314 this(path, descriptionField, idField, releaseField, false, null);
315 }
316
317 public LinuxReleaseInfo(String path) {
318 this(path, null, null, null, true, null);
319 }
320
321 public LinuxReleaseInfo(String path, String prefix) {
322 this(path, null, null, null, true, prefix);
323 }
324
325 private LinuxReleaseInfo(String path, String descriptionField, String idField, String releaseField, boolean plainText, String prefix) {
326 this.path = path;
327 this.descriptionField = descriptionField;
328 this.idField = idField;
329 this.releaseField = releaseField;
330 this.plainText = plainText;
331 this.prefix = prefix;
332 }
333
334 @Override public String toString() {
335 return "ReleaseInfo [path=" + path + ", descriptionField=" + descriptionField +
336 ", idField=" + idField + ", releaseField=" + releaseField + "]";
337 }
338
339 /**
340 * Extracts OS detailed information from a Linux release file (/etc/xxx-release)
341 * @return The OS detailed information, or {@code null}
342 */
343 public String extractDescription() {
344 String result = null;
345 if (path != null) {
346 Path p = Paths.get(path);
347 if (Files.exists(p)) {
348 try (BufferedReader reader = Files.newBufferedReader(p, StandardCharsets.UTF_8)) {
349 String id = null;
350 String release = null;
351 String line;
352 while (result == null && (line = reader.readLine()) != null) {
353 if (line.contains("=")) {
354 String[] tokens = line.split("=");
355 if (tokens.length >= 2) {
356 // Description, if available, contains exactly what we need
357 if (descriptionField != null && descriptionField.equalsIgnoreCase(tokens[0])) {
358 result = Utils.strip(tokens[1]);
359 } else if (idField != null && idField.equalsIgnoreCase(tokens[0])) {
360 id = Utils.strip(tokens[1]);
361 } else if (releaseField != null && releaseField.equalsIgnoreCase(tokens[0])) {
362 release = Utils.strip(tokens[1]);
363 }
364 }
365 } else if (plainText && !line.isEmpty()) {
366 // Files composed of a single line
367 result = Utils.strip(line);
368 }
369 }
370 // If no description has been found, try to rebuild it with "id" + "release" (i.e. "name" + "version")
371 if (result == null && id != null && release != null) {
372 result = id + " " + release;
373 }
374 } catch (IOException e) {
375 // Ignore
376 }
377 }
378 }
379 // Append prefix if any
380 if (result != null && !result.isEmpty() && prefix != null && !prefix.isEmpty()) {
381 result = prefix + result;
382 }
383 if (result != null)
384 result = result.replaceAll("\"+", "");
385 return result;
386 }
387 }
388
389 protected void askUpdateJava(String version) {
390 askUpdateJava(version, "https://www.java.com/download");
391 }
392
393 // Method kept because strings have already been translated. To enable for Java 8 migration somewhere in 2016
394 protected void askUpdateJava(final String version, final String url) {
395 GuiHelper.runInEDTAndWait(new Runnable() {
396 @Override
397 public void run() {
398 ExtendedDialog ed = new ExtendedDialog(
399 Main.parent,
400 tr("Outdated Java version"),
401 new String[]{tr("Update Java"), tr("Cancel")});
402 // Check if the dialog has not already been permanently hidden by user
403 if (!ed.toggleEnable("askUpdateJava8").toggleCheckState()) {
404 ed.setButtonIcons(new String[]{"java", "cancel"}).setCancelButton(2);
405 ed.setMinimumSize(new Dimension(480, 300));
406 ed.setIcon(JOptionPane.WARNING_MESSAGE);
407 String content = tr("You are running version {0} of Java.", "<b>"+version+"</b>")+"<br><br>";
408 if ("Sun Microsystems Inc.".equals(System.getProperty("java.vendor")) && !isOpenJDK()) {
409 content += "<b>"+tr("This version is no longer supported by {0} since {1} and is not recommended for use.",
410 "Oracle", tr("April 2015"))+"</b><br><br>";
411 }
412 content += "<b>" +
413 tr("JOSM will soon stop working with this version; we highly recommend you to update to Java {0}.", "8")
414 + "</b><br><br>" +
415 tr("Would you like to update now ?");
416 ed.setContent(content);
417
418 if (ed.showDialog().getValue() == 1) {
419 try {
420 openUrl(url);
421 } catch (IOException e) {
422 Main.warn(e);
423 }
424 }
425 }
426 }
427 });
428 }
429
430 @Override
431 public boolean setupHttpsCertificate(String entryAlias, KeyStore.TrustedCertificateEntry trustedCert)
432 throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException {
433 // TODO setup HTTPS certificate on Unix systems
434 return false;
435 }
436
437 @Override
438 public File getDefaultCacheDirectory() {
439 return new File(Main.pref.getUserDataDirectory(), "cache");
440 }
441
442 @Override
443 public File getDefaultPrefDirectory() {
444 return new File(System.getProperty("user.home"), ".josm");
445 }
446
447 @Override
448 public File getDefaultUserDataDirectory() {
449 // Use preferences directory by default
450 return Main.pref.getPreferencesDirectory();
451 }
452
453 /**
454 * <p>Add more fallback fonts to the Java runtime, in order to get
455 * support for more scripts.</p>
456 *
457 * <p>The font configuration in Java doesn't include some Indic scripts,
458 * even though MS Windows ships with fonts that cover these unicode
459 * ranges.</p>
460 *
461 * <p>To fix this, the fontconfig.properties template is copied to the JOSM
462 * cache folder. Then, the additional entries are added to the font
463 * configuration. Finally the system property "sun.awt.fontconfig" is set
464 * to the customized fontconfig.properties file.</p>
465 *
466 * <p>This is a crude hack, but better than no font display at all for these
467 * languages.
468 * There is no guarantee, that the template file
469 * ($JAVA_HOME/lib/fontconfig.properties.src) matches the default
470 * configuration (which is in a binary format).
471 * Furthermore, the system property "sun.awt.fontconfig" is undocumented and
472 * may no longer work in future versions of Java.</p>
473 *
474 * <p>Related Java bug: <a href="https://bugs.openjdk.java.net/browse/JDK-8008572">JDK-8008572</a></p>
475 *
476 * @param templateFileName file name of the fontconfig.properties template file
477 */
478 protected void extendFontconfig(String templateFileName) {
479 String customFontconfigFile = Main.pref.get("fontconfig.properties", null);
480 if (customFontconfigFile != null) {
481 Utils.updateSystemProperty("sun.awt.fontconfig", customFontconfigFile);
482 return;
483 }
484 if (!Main.pref.getBoolean("font.extended-unicode", true))
485 return;
486
487 String javaLibPath = System.getProperty("java.home") + File.separator + "lib";
488 Path templateFile = FileSystems.getDefault().getPath(javaLibPath, templateFileName);
489 if (!Files.isReadable(templateFile)) {
490 Main.warn("extended font config - unable to find font config template file "+templateFile.toString());
491 return;
492 }
493 try (FileInputStream fis = new FileInputStream(templateFile.toFile())) {
494 Properties props = new Properties();
495 props.load(fis);
496 byte[] content = Files.readAllBytes(templateFile);
497 File cachePath = Main.pref.getCacheDirectory();
498 Path fontconfigFile = cachePath.toPath().resolve("fontconfig.properties");
499 OutputStream os = Files.newOutputStream(fontconfigFile);
500 os.write(content);
501 try (Writer w = new BufferedWriter(new OutputStreamWriter(os, StandardCharsets.UTF_8))) {
502 Collection<FontEntry> extrasPref = Main.pref.getListOfStructs(
503 "font.extended-unicode.extra-items", getAdditionalFonts(), FontEntry.class);
504 Collection<FontEntry> extras = new ArrayList<>();
505 w.append("\n\n# Added by JOSM to extend unicode coverage of Java font support:\n\n");
506 List<String> allCharSubsets = new ArrayList<>();
507 for (FontEntry entry: extrasPref) {
508 Collection<String> fontsAvail = getInstalledFonts();
509 if (fontsAvail != null && fontsAvail.contains(entry.file.toUpperCase(Locale.ENGLISH))) {
510 if (!allCharSubsets.contains(entry.charset)) {
511 allCharSubsets.add(entry.charset);
512 extras.add(entry);
513 } else {
514 Main.trace("extended font config - already registered font for charset ''{0}'' - skipping ''{1}''",
515 entry.charset, entry.name);
516 }
517 } else {
518 Main.trace("extended font config - Font ''{0}'' not found on system - skipping", entry.name);
519 }
520 }
521 for (FontEntry entry: extras) {
522 allCharSubsets.add(entry.charset);
523 if ("".equals(entry.name)) {
524 continue;
525 }
526 String key = "allfonts." + entry.charset;
527 String value = entry.name;
528 String prevValue = props.getProperty(key);
529 if (prevValue != null && !prevValue.equals(value)) {
530 Main.warn("extended font config - overriding ''{0}={1}'' with ''{2}''", key, prevValue, value);
531 }
532 w.append(key + "=" + value + "\n");
533 }
534 w.append('\n');
535 for (FontEntry entry: extras) {
536 if ("".equals(entry.name) || "".equals(entry.file)) {
537 continue;
538 }
539 String key = "filename." + entry.name.replace(" ", "_");
540 String value = entry.file;
541 String prevValue = props.getProperty(key);
542 if (prevValue != null && !prevValue.equals(value)) {
543 Main.warn("extended font config - overriding ''{0}={1}'' with ''{2}''", key, prevValue, value);
544 }
545 w.append(key + "=" + value + "\n");
546 }
547 w.append('\n');
548 String fallback = props.getProperty("sequence.fallback");
549 if (fallback != null) {
550 w.append("sequence.fallback=" + fallback + "," + Utils.join(",", allCharSubsets) + "\n");
551 } else {
552 w.append("sequence.fallback=" + Utils.join(",", allCharSubsets) + "\n");
553 }
554 }
555 Utils.updateSystemProperty("sun.awt.fontconfig", fontconfigFile.toString());
556 } catch (IOException ex) {
557 Main.error(ex);
558 }
559 }
560
561 /**
562 * Get a list of fonts that are installed on the system.
563 *
564 * Must be done without triggering the Java Font initialization.
565 * (See {@link #extendFontconfig(java.lang.String)}, have to set system
566 * property first, which is then read by sun.awt.FontConfiguration upon
567 * initialization.)
568 *
569 * @return list of file names
570 */
571 public Collection<String> getInstalledFonts() {
572 throw new UnsupportedOperationException();
573 }
574
575 /**
576 * Get default list of additional fonts to add to the configuration.
577 *
578 * Java will choose thee first font in the list that can render a certain
579 * character.
580 *
581 * @return list of FontEntry objects
582 */
583 public Collection<FontEntry> getAdditionalFonts() {
584 throw new UnsupportedOperationException();
585 }
586}
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