jdk/src/share/classes/java/util/logging/Logger.java
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rev 5720 : 8005615: Java Logger fails to load tomcat logger implementation (JULI)
Reviewed-by: alanb, ahgross
@@ -281,10 +281,44 @@
}
manager.checkPermission();
}
}
+ // Until all JDK code converted to call sun.util.logging.PlatformLogger
+ // (see 7054233), we need to determine if Logger.getLogger is to add
+ // a system logger or user logger.
+ //
+ // As an interim solution, if the immediate caller whose caller loader is
+ // null, we assume it's a system logger and add it to the system context.
+ // These system loggers only set the resource bundle to the given
+ // resource bundle name (rather than the default system resource bundle).
+ private static class SystemLoggerHelper {
+ static boolean disableCallerCheck = getBooleanProperty("sun.util.logging.disableCallerCheck");
+ private static boolean getBooleanProperty(final String key) {
+ String s = AccessController.doPrivileged(new PrivilegedAction<String>() {
+ public String run() {
+ return System.getProperty(key);
+ }
+ });
+ return Boolean.valueOf(s);
+ }
+ }
+
+ private static Logger demandLogger(String name, String resourceBundleName) {
+ LogManager manager = LogManager.getLogManager();
+ SecurityManager sm = System.getSecurityManager();
+ if (sm != null && !SystemLoggerHelper.disableCallerCheck) {
+ // 0: Reflection 1: Logger.demandLogger 2: Logger.getLogger 3: caller
+ final int SKIP_FRAMES = 3;
+ Class<?> caller = sun.reflect.Reflection.getCallerClass(SKIP_FRAMES);
+ if (caller.getClassLoader() == null) {
+ return manager.demandSystemLogger(name, resourceBundleName);
+ }
+ }
+ return manager.demandLogger(name, resourceBundleName);
+ }
+
/**
* Find or create a logger for a named subsystem. If a logger has
* already been created with the given name it is returned. Otherwise
* a new logger is created.
* <p>
@@ -322,12 +356,11 @@
// getLogger("Foo");
//
// would throw an IllegalArgumentException in the second call
// because the wrapper would result in an attempt to replace
// the existing "resourceBundleForFoo" with null.
- LogManager manager = LogManager.getLogManager();
- return manager.demandLogger(name);
+ return demandLogger(name, null);
}
/**
* Find or create a logger for a named subsystem. If a logger has
* already been created with the given name it is returned. Otherwise
@@ -370,22 +403,32 @@
*/
// Synchronization is not required here. All synchronization for
// adding a new Logger object is handled by LogManager.addLogger().
public static Logger getLogger(String name, String resourceBundleName) {
- LogManager manager = LogManager.getLogManager();
- Logger result = manager.demandLogger(name);
+ Logger result = demandLogger(name, resourceBundleName);
if (result.resourceBundleName == null) {
// Note: we may get a MissingResourceException here.
result.setupResourceInfo(resourceBundleName);
} else if (!result.resourceBundleName.equals(resourceBundleName)) {
throw new IllegalArgumentException(result.resourceBundleName +
" != " + resourceBundleName);
}
return result;
}
+ // package-private
+ // Add a platform logger to the system context.
+ // i.e. caller of sun.util.logging.PlatformLogger.getLogger
+ static Logger getPlatformLogger(String name) {
+ LogManager manager = LogManager.getLogManager();
+
+ // all loggers in the system context will default to
+ // the system logger's resource bundle
+ Logger result = manager.demandSystemLogger(name, SYSTEM_LOGGER_RB_NAME);
+ return result;
+ }
/**
* Create an anonymous Logger. The newly created Logger is not
* registered in the LogManager namespace. There will be no
* access checks on updates to the logger.
@@ -534,11 +577,11 @@
// We fill in the logger name, resource bundle name, and
// resource bundle and then call "void log(LogRecord)".
private void doLog(LogRecord lr) {
lr.setLoggerName(name);
String ebname = getEffectiveResourceBundleName();
- if (ebname != null) {
+ if (ebname != null && !ebname.equals(SYSTEM_LOGGER_RB_NAME)) {
lr.setResourceBundleName(ebname);
lr.setResourceBundle(findResourceBundle(ebname));
}
log(lr);
}
@@ -1283,10 +1326,27 @@
// actual resource bundle, using a simple one-entry cache.
// Returns null for a null name.
// May also return null if we can't find the resource bundle and
// there is no suitable previous cached value.
+ static final String SYSTEM_LOGGER_RB_NAME = "sun.util.logging.resources.logging";
+
+ private static ResourceBundle findSystemResourceBundle(final Locale locale) {
+ // the resource bundle is in a restricted package
+ return AccessController.doPrivileged(new PrivilegedAction<ResourceBundle>() {
+ public ResourceBundle run() {
+ try {
+ return ResourceBundle.getBundle(SYSTEM_LOGGER_RB_NAME,
+ locale,
+ ClassLoader.getSystemClassLoader());
+ } catch (MissingResourceException e) {
+ throw new InternalError(e.toString());
+ }
+ }
+ });
+ }
+
private synchronized ResourceBundle findResourceBundle(String name) {
// Return a null bundle for a null name.
if (name == null) {
return null;
}
@@ -1297,10 +1357,17 @@
if (catalog != null && currentLocale == catalogLocale
&& name == catalogName) {
return catalog;
}
+ if (name.equals(SYSTEM_LOGGER_RB_NAME)) {
+ catalog = findSystemResourceBundle(currentLocale);
+ catalogName = name;
+ catalogLocale = currentLocale;
+ return catalog;
+ }
+
// Use the thread's context ClassLoader. If there isn't one,
// use the SystemClassloader.
ClassLoader cl = Thread.currentThread().getContextClassLoader();
if (cl == null) {
cl = ClassLoader.getSystemClassLoader();
@@ -1313,11 +1380,10 @@
} catch (MissingResourceException ex) {
// Woops. We can't find the ResourceBundle in the default
// ClassLoader. Drop through.
}
-
// Fall back to searching up the call stack and trying each
// calling ClassLoader.
for (int ix = 0; ; ix++) {
Class clz = sun.reflect.Reflection.getCallerClass(ix);
if (clz == null) {