1 /*
2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package jdk.jpackage.internal;
26
27 import java.io.File;
28 import java.io.FileInputStream;
29 import java.io.IOException;
30 import java.nio.file.Files;
31 import java.nio.file.Path;
32 import java.text.MessageFormat;
33 import java.util.ArrayList;
34 import java.util.Arrays;
35 import java.util.Collection;
36 import java.util.EnumSet;
37 import java.util.HashMap;
38 import java.util.HashSet;
39 import java.util.List;
40 import java.util.Map;
41 import java.util.Set;
42 import java.util.Properties;
43 import java.util.ResourceBundle;
44 import java.util.jar.Attributes;
45 import java.util.jar.JarFile;
46 import java.util.jar.Manifest;
47 import java.util.stream.Stream;
48 import java.util.regex.Matcher;
49 import java.util.regex.Pattern;
50
51 /**
52 * Arguments
53 *
54 * This class encapsulates and processes the command line arguments,
55 * in effect, implementing all the work of jpackage tool.
56 *
57 * The primary entry point, processArguments():
58 * Processes and validates command line arguments, constructing DeployParams.
59 * Validates the DeployParams, and generate the BundleParams.
60 * Generates List of Bundlers from BundleParams valid for this platform.
61 * Executes each Bundler in the list.
62 */
63 public class Arguments {
64 private static final ResourceBundle I18N = ResourceBundle.getBundle(
65 "jdk.jpackage.internal.resources.MainResources");
66
67 private static final String FA_EXTENSIONS = "extension";
68 private static final String FA_CONTENT_TYPE = "mime-type";
69 private static final String FA_DESCRIPTION = "description";
70 private static final String FA_ICON = "icon";
71
72 // regexp for parsing args (for example, for additional launchers)
73 private static Pattern pattern = Pattern.compile(
74 "(?:(?:([\"'])(?:\\\\\\1|.)*?(?:\\1|$))|(?:\\\\[\"'\\s]|[^\\s]))++");
75
76 private DeployParams deployParams = null;
77 private String packageType = null;
78
79 private int pos = 0;
80 private List<String> argList = null;
81
82 private List<CLIOptions> allOptions = null;
83
84 private String input = null;
85 private String output = null;
86
87 private boolean hasMainJar = false;
88 private boolean hasMainClass = false;
89 private boolean hasMainModule = false;
90 public boolean userProvidedBuildRoot = false;
91
92 private String buildRoot = null;
93 private String mainJarPath = null;
94
95 private static boolean runtimeInstaller = false;
96
97 private List<AddLauncherArguments> addLaunchers = null;
98
99 private static Map<String, CLIOptions> argIds = new HashMap<>();
100 private static Map<String, CLIOptions> argShortIds = new HashMap<>();
101
102 static {
103 // init maps for parsing arguments
104 (EnumSet.allOf(CLIOptions.class)).forEach(option -> {
105 argIds.put(option.getIdWithPrefix(), option);
106 if (option.getShortIdWithPrefix() != null) {
107 argShortIds.put(option.getShortIdWithPrefix(), option);
108 }
109 });
110 }
111
112 public Arguments(String[] args) {
113 argList = new ArrayList<String>(args.length);
114 for (String arg : args) {
115 argList.add(arg);
116 }
117 Log.debug ("\njpackage argument list: \n" + argList + "\n");
118 pos = 0;
119
120 deployParams = new DeployParams();
121
122 packageType = null;
123
124 allOptions = new ArrayList<>();
125
126 addLaunchers = new ArrayList<>();
127 }
128
129 // CLIOptions is public for DeployParamsTest
130 public enum CLIOptions {
131 PACKAGE_TYPE("package-type", OptionCategories.PROPERTY, () -> {
132 context().packageType = popArg();
133 context().deployParams.setTargetFormat(context().packageType);
134 }),
135
136 INPUT ("input", "i", OptionCategories.PROPERTY, () -> {
137 context().input = popArg();
138 setOptionValue("input", context().input);
139 }),
140
141 OUTPUT ("output", "o", OptionCategories.PROPERTY, () -> {
142 context().output = popArg();
143 context().deployParams.setOutput(new File(context().output));
144 }),
145
146 DESCRIPTION ("description", "d", OptionCategories.PROPERTY),
147
148 VENDOR ("vendor", OptionCategories.PROPERTY),
149
150 APPCLASS ("main-class", OptionCategories.PROPERTY, () -> {
151 context().hasMainClass = true;
152 setOptionValue("main-class", popArg());
153 }),
154
155 NAME ("name", "n", OptionCategories.PROPERTY),
156
157 IDENTIFIER ("identifier", OptionCategories.PROPERTY),
158
159 VERBOSE ("verbose", OptionCategories.PROPERTY, () -> {
160 setOptionValue("verbose", true);
161 Log.setVerbose(true);
162 }),
163
164 RESOURCE_DIR("resource-dir",
165 OptionCategories.PROPERTY, () -> {
166 String resourceDir = popArg();
167 setOptionValue("resource-dir", resourceDir);
168 }),
169
170 ARGUMENTS ("arguments", OptionCategories.PROPERTY, () -> {
171 List<String> arguments = getArgumentList(popArg());
172 setOptionValue("arguments", arguments);
173 }),
174
175 ICON ("icon", OptionCategories.PROPERTY),
176
177 COPYRIGHT ("copyright", OptionCategories.PROPERTY),
178
179 LICENSE_FILE ("license-file", OptionCategories.PROPERTY),
180
181 VERSION ("app-version", OptionCategories.PROPERTY),
182
183 RELEASE ("linux-app-release", OptionCategories.PROPERTY),
184
185 JAVA_OPTIONS ("java-options", OptionCategories.PROPERTY, () -> {
186 List<String> args = getArgumentList(popArg());
187 args.forEach(a -> setOptionValue("java-options", a));
188 }),
189
190 FILE_ASSOCIATIONS ("file-associations",
191 OptionCategories.PROPERTY, () -> {
192 Map<String, ? super Object> args = new HashMap<>();
193
194 // load .properties file
195 Map<String, String> initialMap = getPropertiesFromFile(popArg());
196
197 String ext = initialMap.get(FA_EXTENSIONS);
198 if (ext != null) {
199 args.put(StandardBundlerParam.FA_EXTENSIONS.getID(), ext);
200 }
201
202 String type = initialMap.get(FA_CONTENT_TYPE);
203 if (type != null) {
204 args.put(StandardBundlerParam.FA_CONTENT_TYPE.getID(), type);
205 }
206
207 String desc = initialMap.get(FA_DESCRIPTION);
208 if (desc != null) {
209 args.put(StandardBundlerParam.FA_DESCRIPTION.getID(), desc);
210 }
211
212 String icon = initialMap.get(FA_ICON);
213 if (icon != null) {
214 args.put(StandardBundlerParam.FA_ICON.getID(), icon);
215 }
216
217 ArrayList<Map<String, ? super Object>> associationList =
218 new ArrayList<Map<String, ? super Object>>();
219
220 associationList.add(args);
221
222 // check that we really add _another_ value to the list
223 setOptionValue("file-associations", associationList);
224
225 }),
226
227 ADD_LAUNCHER ("add-launcher",
228 OptionCategories.PROPERTY, () -> {
229 String spec = popArg();
230 String name = null;
231 String filename = spec;
232 if (spec.contains("=")) {
233 String[] values = spec.split("=", 2);
234 name = values[0];
235 filename = values[1];
236 }
237 context().addLaunchers.add(
238 new AddLauncherArguments(name, filename));
239 }),
240
241 TEMP_ROOT ("temp-root", OptionCategories.PROPERTY, () -> {
242 context().buildRoot = popArg();
243 context().userProvidedBuildRoot = true;
244 setOptionValue("temp-root", context().buildRoot);
245 }),
246
247 INSTALL_DIR ("install-dir", OptionCategories.PROPERTY),
248
249 PREDEFINED_APP_IMAGE ("app-image", OptionCategories.PROPERTY),
250
251 PREDEFINED_RUNTIME_IMAGE ("runtime-image", OptionCategories.PROPERTY),
252
253 MAIN_JAR ("main-jar", OptionCategories.PROPERTY, () -> {
254 context().mainJarPath = popArg();
255 context().hasMainJar = true;
256 setOptionValue("main-jar", context().mainJarPath);
257 }),
258
259 MODULE ("module", "m", OptionCategories.MODULAR, () -> {
260 context().hasMainModule = true;
261 setOptionValue("module", popArg());
262 }),
263
264 ADD_MODULES ("add-modules", OptionCategories.MODULAR),
265
266 MODULE_PATH ("module-path", "p", OptionCategories.MODULAR),
267
268 MAC_SIGN ("mac-sign", "s", OptionCategories.PLATFORM_MAC, () -> {
269 setOptionValue("mac-sign", true);
270 }),
271
272 MAC_BUNDLE_NAME ("mac-bundle-name", OptionCategories.PLATFORM_MAC),
273
274 MAC_BUNDLE_IDENTIFIER("mac-bundle-identifier",
275 OptionCategories.PLATFORM_MAC),
276
277 MAC_APP_STORE_CATEGORY ("mac-app-store-category",
278 OptionCategories.PLATFORM_MAC),
279
280 MAC_BUNDLE_SIGNING_PREFIX ("mac-bundle-signing-prefix",
281 OptionCategories.PLATFORM_MAC),
282
283 MAC_SIGNING_KEY_NAME ("mac-signing-key-user-name",
284 OptionCategories.PLATFORM_MAC),
285
286 MAC_SIGNING_KEYCHAIN ("mac-signing-keychain",
287 OptionCategories.PLATFORM_MAC),
288
289 MAC_APP_STORE_ENTITLEMENTS ("mac-app-store-entitlements",
290 OptionCategories.PLATFORM_MAC),
291
292 WIN_MENU_HINT ("win-menu", OptionCategories.PLATFORM_WIN, () -> {
293 setOptionValue("win-menu", true);
294 }),
295
296 WIN_MENU_GROUP ("win-menu-group", OptionCategories.PLATFORM_WIN),
297
298 WIN_SHORTCUT_HINT ("win-shortcut",
299 OptionCategories.PLATFORM_WIN, () -> {
300 setOptionValue("win-shortcut", true);
301 }),
302
303 WIN_PER_USER_INSTALLATION ("win-per-user-install",
304 OptionCategories.PLATFORM_WIN, () -> {
305 setOptionValue("win-per-user-install", false);
306 }),
307
308 WIN_DIR_CHOOSER ("win-dir-chooser",
309 OptionCategories.PLATFORM_WIN, () -> {
310 setOptionValue("win-dir-chooser", true);
311 }),
312
313 WIN_REGISTRY_NAME ("win-registry-name", OptionCategories.PLATFORM_WIN),
314
315 WIN_UPGRADE_UUID ("win-upgrade-uuid",
316 OptionCategories.PLATFORM_WIN),
317
318 WIN_CONSOLE_HINT ("win-console", OptionCategories.PLATFORM_WIN, () -> {
319 setOptionValue("win-console", true);
320 }),
321
322 LINUX_BUNDLE_NAME ("linux-bundle-name",
323 OptionCategories.PLATFORM_LINUX),
324
325 LINUX_DEB_MAINTAINER ("linux-deb-maintainer",
326 OptionCategories.PLATFORM_LINUX),
327
328 LINUX_RPM_LICENSE_TYPE ("linux-rpm-license-type",
329 OptionCategories.PLATFORM_LINUX),
330
331 LINUX_PACKAGE_DEPENDENCIES ("linux-package-deps",
332 OptionCategories.PLATFORM_LINUX),
333
334 LINUX_MENU_GROUP ("linux-menu-group", OptionCategories.PLATFORM_LINUX);
335
336 private final String id;
337 private final String shortId;
338 private final OptionCategories category;
339 private final ArgAction action;
340 private static Arguments argContext;
341
342 private CLIOptions(String id, OptionCategories category) {
343 this(id, null, category, null);
344 }
345
346 private CLIOptions(String id, String shortId,
347 OptionCategories category) {
348 this(id, shortId, category, null);
349 }
350
351 private CLIOptions(String id,
352 OptionCategories category, ArgAction action) {
353 this(id, null, category, action);
354 }
355
356 private CLIOptions(String id, String shortId,
357 OptionCategories category, ArgAction action) {
358 this.id = id;
359 this.shortId = shortId;
360 this.action = action;
361 this.category = category;
362 }
363
364 static void setContext(Arguments context) {
365 argContext = context;
366 }
367
368 public static Arguments context() {
369 if (argContext != null) {
370 return argContext;
371 } else {
372 throw new RuntimeException("Argument context is not set.");
373 }
374 }
375
376 public String getId() {
377 return this.id;
378 }
379
380 String getIdWithPrefix() {
381 return "--" + this.id;
382 }
383
384 String getShortIdWithPrefix() {
385 return this.shortId == null ? null : "-" + this.shortId;
386 }
387
388 void execute() {
389 if (action != null) {
390 action.execute();
391 } else {
392 defaultAction();
393 }
394 }
395
396 private void defaultAction() {
397 context().deployParams.addBundleArgument(id, popArg());
398 }
399
400 private static void setOptionValue(String option, Object value) {
401 context().deployParams.addBundleArgument(option, value);
402 }
403
404 private static String popArg() {
405 nextArg();
406 return (context().pos >= context().argList.size()) ?
407 "" : context().argList.get(context().pos);
408 }
409
410 private static String getArg() {
411 return (context().pos >= context().argList.size()) ?
412 "" : context().argList.get(context().pos);
413 }
414
415 private static void nextArg() {
416 context().pos++;
417 }
418
419 private static boolean hasNextArg() {
420 return context().pos < context().argList.size();
421 }
422 }
423
424 enum OptionCategories {
425 MODULAR,
426 PROPERTY,
427 PLATFORM_MAC,
428 PLATFORM_WIN,
429 PLATFORM_LINUX;
430 }
431
432 public boolean processArguments() {
433 try {
434
435 // init context of arguments
436 CLIOptions.setContext(this);
437
438 // parse cmd line
439 String arg;
440 CLIOptions option;
441 for (; CLIOptions.hasNextArg(); CLIOptions.nextArg()) {
442 arg = CLIOptions.getArg();
443 if ((option = toCLIOption(arg)) != null) {
444 // found a CLI option
445 allOptions.add(option);
446 option.execute();
447 } else {
448 throw new PackagerException("ERR_InvalidOption", arg);
449 }
450 }
451
452 if (hasMainJar && !hasMainClass) {
453 // try to get main-class from manifest
454 String mainClass = getMainClassFromManifest();
455 if (mainClass != null) {
456 CLIOptions.setOptionValue(
457 CLIOptions.APPCLASS.getId(), mainClass);
458 }
459 }
460
461 // display error for arguments that are not supported
462 // for current configuration.
463
464 validateArguments();
465
466 addResources(deployParams, input, mainJarPath);
467
468 List<Map<String, ? super Object>> launchersAsMap =
469 new ArrayList<>();
470
471 for (AddLauncherArguments sl : addLaunchers) {
472 launchersAsMap.add(sl.getLauncherMap());
473 }
474
475 deployParams.addBundleArgument(
476 StandardBundlerParam.ADD_LAUNCHERS.getID(),
477 launchersAsMap);
478
479 // at this point deployParams should be already configured
480
481 deployParams.validate();
482
483 BundleParams bp = deployParams.getBundleParams();
484
485 // validate name(s)
486 ArrayList<String> usedNames = new ArrayList<String>();
487 usedNames.add(bp.getName()); // add main app name
488
489 for (AddLauncherArguments sl : addLaunchers) {
490 Map<String, ? super Object> slMap = sl.getLauncherMap();
491 String slName =
492 (String) slMap.get(Arguments.CLIOptions.NAME.getId());
493 if (slName == null) {
494 throw new PackagerException("ERR_NoAddLauncherName");
495 }
496 // same rules apply to additional launcher names as app name
497 DeployParams.validateName(slName, false);
498 for (String usedName : usedNames) {
499 if (slName.equals(usedName)) {
500 throw new PackagerException("ERR_NoUniqueName");
501 }
502 }
503 usedNames.add(slName);
504 }
505 if (runtimeInstaller && bp.getName() == null) {
506 throw new PackagerException("ERR_NoJreInstallerName");
507 }
508
509 generateBundle(bp.getBundleParamsAsMap());
510 return true;
511 } catch (Exception e) {
512 if (Log.isVerbose()) {
513 Log.verbose(e);
514 } else {
515 String msg1 = e.getMessage();
516 Log.error(msg1);
517 if (e.getCause() != null && e.getCause() != e) {
518 String msg2 = e.getCause().getMessage();
519 if (!msg1.contains(msg2)) {
520 Log.error(msg2);
521 }
522 }
523 }
524 return false;
525 }
526 }
527
528 private void validateArguments() throws PackagerException {
529 String packageType = deployParams.getTargetFormat();
530 String ptype = (packageType != null) ? packageType : "default";
531 boolean imageOnly = (packageType == null);
532 boolean hasAppImage = allOptions.contains(
533 CLIOptions.PREDEFINED_APP_IMAGE);
534 boolean hasRuntime = allOptions.contains(
535 CLIOptions.PREDEFINED_RUNTIME_IMAGE);
536 boolean installerOnly = !imageOnly && hasAppImage;
537 runtimeInstaller = !imageOnly && hasRuntime && !hasAppImage &&
538 !hasMainModule && !hasMainJar;
539
540 for (CLIOptions option : allOptions) {
541 if (!ValidOptions.checkIfSupported(option)) {
542 // includes option valid only on different platform
543 throw new PackagerException("ERR_UnsupportedOption",
544 option.getIdWithPrefix());
545 }
546 if (imageOnly) {
547 if (!ValidOptions.checkIfImageSupported(option)) {
548 throw new PackagerException("ERR_InvalidTypeOption",
549 option.getIdWithPrefix(), packageType);
550 }
551 } else if (installerOnly || runtimeInstaller) {
552 if (!ValidOptions.checkIfInstallerSupported(option)) {
553 if (runtimeInstaller) {
554 throw new PackagerException("ERR_NoInstallerEntryPoint",
555 option.getIdWithPrefix());
556 } else {
557 throw new PackagerException("ERR_InvalidTypeOption",
558 option.getIdWithPrefix(), ptype);
559 }
560 }
561 }
562 }
563 if (installerOnly && hasRuntime) {
564 // note --runtime-image is only for image or runtime installer.
565 throw new PackagerException("ERR_InvalidTypeOption",
566 CLIOptions.PREDEFINED_RUNTIME_IMAGE.getIdWithPrefix(),
567 ptype);
568 }
569 if (hasMainJar && hasMainModule) {
570 throw new PackagerException("ERR_BothMainJarAndModule");
571 }
572 if (imageOnly && !hasMainJar && !hasMainModule) {
573 throw new PackagerException("ERR_NoEntryPoint");
574 }
575 }
576
577 private jdk.jpackage.internal.Bundler getPlatformBundler() {
578 String bundleType = (packageType == null ? "IMAGE" : "INSTALLER");
579
580 for (jdk.jpackage.internal.Bundler bundler :
581 Bundlers.createBundlersInstance().getBundlers(bundleType)) {
582 if ((packageType == null) ||
583 packageType.equalsIgnoreCase(bundler.getID())) {
584 if (bundler.supported(runtimeInstaller)) {
585 return bundler;
586 }
587 }
588 }
589 return null;
590 }
591
592 private void generateBundle(Map<String,? super Object> params)
593 throws PackagerException {
594
595 boolean bundleCreated = false;
596
597 // the temp-root needs to be fetched from the params early,
598 // to prevent each copy of the params (such as may be used for
599 // additional launchers) from generating a separate temp-root when
600 // the default is used (the default is a new temp directory)
601 // The bundler.cleanup() below would not otherwise be able to
602 // clean these extra (and unneeded) temp directories.
603 StandardBundlerParam.TEMP_ROOT.fetchFrom(params);
604
605 // determine what bundler to run
606 jdk.jpackage.internal.Bundler bundler = getPlatformBundler();
607
608 if (bundler == null) {
609 throw new PackagerException("ERR_InvalidInstallerType",
610 deployParams.getTargetFormat());
611 }
612
613 Map<String, ? super Object> localParams = new HashMap<>(params);
614 try {
615 bundler.validate(localParams);
616 File result = bundler.execute(localParams, deployParams.outdir);
617 if (result == null) {
618 throw new PackagerException("MSG_BundlerFailed",
619 bundler.getID(), bundler.getName());
620 }
621 Log.verbose(MessageFormat.format(
622 I18N.getString("message.bundle-created"),
623 bundler.getName()));
624 } catch (ConfigException e) {
625 Log.debug(e);
626 if (e.getAdvice() != null) {
627 throw new PackagerException(e, "MSG_BundlerConfigException",
628 bundler.getName(), e.getMessage(), e.getAdvice());
629 } else {
630 throw new PackagerException(e,
631 "MSG_BundlerConfigExceptionNoAdvice",
632 bundler.getName(), e.getMessage());
633 }
634 } catch (RuntimeException re) {
635 Log.debug(re);
636 throw new PackagerException(re, "MSG_BundlerRuntimeException",
637 bundler.getName(), re.toString());
638 } finally {
639 if (userProvidedBuildRoot) {
640 Log.verbose(MessageFormat.format(
641 I18N.getString("message.debug-working-directory"),
642 (new File(buildRoot)).getAbsolutePath()));
643 } else {
644 // always clean up the temporary directory created
645 // when --temp-root option not used.
646 bundler.cleanup(localParams);
647 }
648 }
649 }
650
651 private void addResources(DeployParams deployParams,
652 String inputdir, String mainJar) throws PackagerException {
653
654 if (inputdir == null || inputdir.isEmpty()) {
655 return;
656 }
657
658 File baseDir = new File(inputdir);
659
660 if (!baseDir.isDirectory()) {
661 throw new PackagerException("ERR_InputNotDirectory", inputdir);
662 }
663 if (!baseDir.canRead()) {
664 throw new PackagerException("ERR_CannotReadInputDir", inputdir);
665 }
666
667 List<String> fileNames;
668 fileNames = new ArrayList<>();
669 try (Stream<Path> files = Files.list(baseDir.toPath())) {
670 files.forEach(file -> fileNames.add(
671 file.getFileName().toString()));
672 } catch (IOException e) {
673 Log.error("Unable to add resources: " + e.getMessage());
674 }
675 fileNames.forEach(file -> deployParams.addResource(baseDir, file));
676
677 deployParams.setClasspath(mainJar);
678 }
679
680 static CLIOptions toCLIOption(String arg) {
681 CLIOptions option;
682 if ((option = argIds.get(arg)) == null) {
683 option = argShortIds.get(arg);
684 }
685 return option;
686 }
687
688 static Map<String, String> getPropertiesFromFile(String filename) {
689 Map<String, String> map = new HashMap<>();
690 // load properties file
691 File file = new File(filename);
692 Properties properties = new Properties();
693 try (FileInputStream in = new FileInputStream(file)) {
694 properties.load(in);
695 } catch (IOException e) {
696 Log.error("Exception: " + e.getMessage());
697 }
698
699 for (final String name: properties.stringPropertyNames()) {
700 map.put(name, properties.getProperty(name));
701 }
702
703 return map;
704 }
705
706 static List<String> getArgumentList(String inputString) {
707 List<String> list = new ArrayList<>();
708 if (inputString == null || inputString.isEmpty()) {
709 return list;
710 }
711
712 // The "pattern" regexp attempts to abide to the rule that
713 // strings are delimited by whitespace unless surrounded by
714 // quotes, then it is anything (including spaces) in the quotes.
715 Matcher m = pattern.matcher(inputString);
716 while (m.find()) {
717 String s = inputString.substring(m.start(), m.end()).trim();
718 // Ensure we do not have an empty string. trim() will take care of
719 // whitespace only strings. The regex preserves quotes and escaped
720 // chars so we need to clean them before adding to the List
721 if (!s.isEmpty()) {
722 list.add(unquoteIfNeeded(s));
723 }
724 }
725 return list;
726 }
727
728 private static String unquoteIfNeeded(String in) {
729 if (in == null) {
730 return null;
731 }
732
733 if (in.isEmpty()) {
734 return "";
735 }
736
737 // Use code points to preserve non-ASCII chars
738 StringBuilder sb = new StringBuilder();
739 int codeLen = in.codePointCount(0, in.length());
740 int quoteChar = -1;
741 for (int i = 0; i < codeLen; i++) {
742 int code = in.codePointAt(i);
743 if (code == '"' || code == '\'') {
744 // If quote is escaped make sure to copy it
745 if (i > 0 && in.codePointAt(i - 1) == '\\') {
746 sb.deleteCharAt(sb.length() - 1);
747 sb.appendCodePoint(code);
748 continue;
749 }
750 if (quoteChar != -1) {
751 if (code == quoteChar) {
752 // close quote, skip char
753 quoteChar = -1;
754 } else {
755 sb.appendCodePoint(code);
756 }
757 } else {
758 // opening quote, skip char
759 quoteChar = code;
760 }
761 } else {
762 sb.appendCodePoint(code);
763 }
764 }
765 return sb.toString();
766 }
767
768 private String getMainClassFromManifest() {
769 if (mainJarPath == null ||
770 input == null ) {
771 return null;
772 }
773
774 JarFile jf;
775 try {
776 File file = new File(input, mainJarPath);
777 if (!file.exists()) {
778 return null;
779 }
780 jf = new JarFile(file);
781 Manifest m = jf.getManifest();
782 Attributes attrs = (m != null) ? m.getMainAttributes() : null;
783 if (attrs != null) {
784 return attrs.getValue(Attributes.Name.MAIN_CLASS);
785 }
786 } catch (IOException ignore) {}
787 return null;
788 }
789
790 }