48 import java.math.BigDecimal;
49 import java.math.RoundingMode;
50 import java.nio.charset.Charset;
51 import java.nio.file.DirectoryStream;
52 import java.nio.file.Files;
53 import java.nio.file.Path;
54 import java.util.ResourceBundle;
55 import java.text.MessageFormat;
56 import java.util.ArrayList;
57 import java.util.Collections;
58 import java.util.Iterator;
59 import java.util.List;
60 import java.util.Locale;
61 import java.util.Locale.Category;
62 import java.util.Properties;
63 import java.util.Set;
64 import java.util.TreeSet;
65 import java.util.jar.Attributes;
66 import java.util.jar.JarFile;
67 import java.util.jar.Manifest;
68
69 public enum LauncherHelper {
70 INSTANCE;
71 private static final String MAIN_CLASS = "Main-Class";
72 private static StringBuilder outBuf = new StringBuilder();
73
74 private static final String INDENT = " ";
75 private static final String VM_SETTINGS = "VM settings:";
76 private static final String PROP_SETTINGS = "Property settings:";
77 private static final String LOCALE_SETTINGS = "Locale settings:";
78
79 // sync with java.c and sun.misc.VM
80 private static final String diagprop = "sun.java.launcher.diag";
81 final static boolean trace = sun.misc.VM.getSavedProperty(diagprop) != null;
82
83 private static final String defaultBundleName =
84 "sun.launcher.resources.launcher";
85 private static class ResourceBundleHolder {
86 private static final ResourceBundle RB =
87 ResourceBundle.getBundle(defaultBundleName);
88 }
89 private static PrintStream ostream;
90 private static final ClassLoader scloader = ClassLoader.getSystemClassLoader();
91 private static Class<?> appClass; // application class, for GUI/reporting purposes
401 if (manifest == null) {
402 abort(null, "java.launcher.jar.error2", jarname);
403 }
404 Attributes mainAttrs = manifest.getMainAttributes();
405 if (mainAttrs == null) {
406 abort(null, "java.launcher.jar.error3", jarname);
407 }
408 mainValue = mainAttrs.getValue(MAIN_CLASS);
409 if (mainValue == null) {
410 abort(null, "java.launcher.jar.error3", jarname);
411 }
412 /*
413 * Hand off to FXHelper if it detects a JavaFX application
414 * This must be done after ensuring a Main-Class entry
415 * exists to enforce compliance with the jar specification
416 */
417 if (mainAttrs.containsKey(
418 new Attributes.Name(FXHelper.JAVAFX_APPLICATION_MARKER))) {
419 return FXHelper.class.getName();
420 }
421 return mainValue.trim();
422 } catch (IOException ioe) {
423 abort(ioe, "java.launcher.jar.error1", jarname);
424 }
425 return null;
426 }
427
428 // From src/share/bin/java.c:
429 // enum LaunchMode { LM_UNKNOWN = 0, LM_CLASS, LM_JAR };
430
431 private static final int LM_UNKNOWN = 0;
432 private static final int LM_CLASS = 1;
433 private static final int LM_JAR = 2;
434
435 static void abort(Throwable t, String msgKey, Object... args) {
436 if (msgKey != null) {
437 ostream.println(getLocalizedMessage(msgKey, args));
438 }
439 if (trace) {
440 if (t != null) {
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48 import java.math.BigDecimal;
49 import java.math.RoundingMode;
50 import java.nio.charset.Charset;
51 import java.nio.file.DirectoryStream;
52 import java.nio.file.Files;
53 import java.nio.file.Path;
54 import java.util.ResourceBundle;
55 import java.text.MessageFormat;
56 import java.util.ArrayList;
57 import java.util.Collections;
58 import java.util.Iterator;
59 import java.util.List;
60 import java.util.Locale;
61 import java.util.Locale.Category;
62 import java.util.Properties;
63 import java.util.Set;
64 import java.util.TreeSet;
65 import java.util.jar.Attributes;
66 import java.util.jar.JarFile;
67 import java.util.jar.Manifest;
68 import sun.misc.Version;
69 import sun.misc.URLClassPath;
70
71 public enum LauncherHelper {
72 INSTANCE;
73 private static final String MAIN_CLASS = "Main-Class";
74 private static final String PROFILE = "Profile";
75
76 private static StringBuilder outBuf = new StringBuilder();
77
78 private static final String INDENT = " ";
79 private static final String VM_SETTINGS = "VM settings:";
80 private static final String PROP_SETTINGS = "Property settings:";
81 private static final String LOCALE_SETTINGS = "Locale settings:";
82
83 // sync with java.c and sun.misc.VM
84 private static final String diagprop = "sun.java.launcher.diag";
85 final static boolean trace = sun.misc.VM.getSavedProperty(diagprop) != null;
86
87 private static final String defaultBundleName =
88 "sun.launcher.resources.launcher";
89 private static class ResourceBundleHolder {
90 private static final ResourceBundle RB =
91 ResourceBundle.getBundle(defaultBundleName);
92 }
93 private static PrintStream ostream;
94 private static final ClassLoader scloader = ClassLoader.getSystemClassLoader();
95 private static Class<?> appClass; // application class, for GUI/reporting purposes
405 if (manifest == null) {
406 abort(null, "java.launcher.jar.error2", jarname);
407 }
408 Attributes mainAttrs = manifest.getMainAttributes();
409 if (mainAttrs == null) {
410 abort(null, "java.launcher.jar.error3", jarname);
411 }
412 mainValue = mainAttrs.getValue(MAIN_CLASS);
413 if (mainValue == null) {
414 abort(null, "java.launcher.jar.error3", jarname);
415 }
416 /*
417 * Hand off to FXHelper if it detects a JavaFX application
418 * This must be done after ensuring a Main-Class entry
419 * exists to enforce compliance with the jar specification
420 */
421 if (mainAttrs.containsKey(
422 new Attributes.Name(FXHelper.JAVAFX_APPLICATION_MARKER))) {
423 return FXHelper.class.getName();
424 }
425
426 /*
427 * If this is not a full JRE then the Profile attribute must be
428 * present with the Main-Class attribute so as to indicate the minimum
429 * profile required. Note that we need to suppress checking of the Profile
430 * attribute after we detect an error. This is because the abort may
431 * need to lookup resources and this may involve opening additional JAR
432 * files that would result in errors that suppress the main error.
433 */
434 String profile = mainAttrs.getValue(PROFILE);
435 if (profile == null) {
436 if (!Version.isFullJre()) {
437 URLClassPath.suppressProfileCheckForLauncher();
438 abort(null, "java.launcher.jar.error4", jarname);
439 }
440 } else {
441 if (!Version.supportsProfile(profile)) {
442 URLClassPath.suppressProfileCheckForLauncher();
443 abort(null, "java.launcher.jar.error5", profile, jarname);
444 }
445 }
446
447 return mainValue.trim();
448 } catch (IOException ioe) {
449 abort(ioe, "java.launcher.jar.error1", jarname);
450 }
451 return null;
452 }
453
454 // From src/share/bin/java.c:
455 // enum LaunchMode { LM_UNKNOWN = 0, LM_CLASS, LM_JAR };
456
457 private static final int LM_UNKNOWN = 0;
458 private static final int LM_CLASS = 1;
459 private static final int LM_JAR = 2;
460
461 static void abort(Throwable t, String msgKey, Object... args) {
462 if (msgKey != null) {
463 ostream.println(getLocalizedMessage(msgKey, args));
464 }
465 if (trace) {
466 if (t != null) {
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