|
|
| （未显示同一用户的4个中间版本） |
| 第16行： |
第16行： |
| | | | |
| | === 调试跟踪 === | | === 调试跟踪 === |
| − | {| class="wikitable"
| |
| − | | colspan="3" |class JULTest<syntaxhighlight lang="java">
| |
| − | Logger logger = Logger.getLogger("io.github.jihch");
| |
| − | </syntaxhighlight>
| |
| − | |-
| |
| − | | colspan="3" |class java.util.logging.Logger<syntaxhighlight lang="java">
| |
| − | @CallerSensitive
| |
| − | public static Logger getLogger(String name) {
| |
| − | return demandLogger(name, null, Reflection.getCallerClass());
| |
| − | }
| |
| − | </syntaxhighlight>
| |
| − | |-
| |
| − | | colspan="3" |class java.util.logging.Logger<syntaxhighlight lang="java">
| |
| − | private static Logger demandLogger(String name, String resourceBundleName, Class<?> caller) {
| |
| − | LogManager manager = LogManager.getLogManager();
| |
| − | SecurityManager sm = System.getSecurityManager();
| |
| − | if (sm != null && !SystemLoggerHelper.disableCallerCheck) {
| |
| − | if (caller.getClassLoader() == null) {
| |
| − | return manager.demandSystemLogger(name, resourceBundleName);
| |
| − | }
| |
| − | }
| |
| − | return manager.demandLogger(name, resourceBundleName, caller);
| |
| − | }
| |
| − | </syntaxhighlight>
| |
| − | |-
| |
| − | | colspan="2" |class java.util.logging.LogManager<syntaxhighlight lang="java">
| |
| − | public static LogManager getLogManager() {
| |
| − | if (manager != null) {
| |
| − | manager.ensureLogManagerInitialized();
| |
| − | }
| |
| − | return manager;
| |
| − | }
| |
| − | </syntaxhighlight>
| |
| − | |class java.util.logging.LogManager
| |
| − | |-
| |
| − | | colspan="2" |class java.util.logging.LogManager<syntaxhighlight lang="java">
| |
| − | final void ensureLogManagerInitialized() {
| |
| − | final LogManager owner = this;
| |
| − | if (initializationDone || owner != manager) {
| |
| − | return;
| |
| − | }
| |
| − | synchronized(this) {
| |
| − | final boolean isRecursiveInitialization = (initializedCalled == true);
| |
| − |
| |
| − | assert initializedCalled || !initializationDone
| |
| − | : "Initialization can't be done if initialized has not been called!";
| |
| − |
| |
| − | if (isRecursiveInitialization || initializationDone) {
| |
| − | return;
| |
| − | }
| |
| − | initializedCalled = true;
| |
| − | try {
| |
| − | AccessController.doPrivileged(new PrivilegedAction<Object>() {
| |
| − | @Override
| |
| − | public Object run() {
| |
| − | assert rootLogger == null;
| |
| − | assert initializedCalled && !initializationDone;
| |
| − |
| |
| − | // Read configuration.
| |
| − | owner.readPrimordialConfiguration();
| |
| − |
| |
| − | // Create and retain Logger for the root of the namespace.
| |
| − | owner.rootLogger = owner.new RootLogger();
| |
| − | owner.addLogger(owner.rootLogger);
| |
| − | if (!owner.rootLogger.isLevelInitialized()) {
| |
| − | owner.rootLogger.setLevel(defaultLevel);
| |
| − | }
| |
| − |
| |
| − | @SuppressWarnings("deprecation")
| |
| − | final Logger global = Logger.global;
| |
| − | owner.addLogger(global);
| |
| − | return null;
| |
| − | }
| |
| − | });
| |
| − | } finally {
| |
| − | initializationDone = true;
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − | </syntaxhighlight>
| |
| − | !manager.demandLogger(name, resourceBundleName, caller);
| |
| − | |-
| |
| − | |class java.util.logging.LogManager<syntaxhighlight lang="java">
| |
| − | private void readPrimordialConfiguration() {
| |
| − | if (!readPrimordialConfiguration) {
| |
| − | synchronized (this) {
| |
| − | if (!readPrimordialConfiguration) {
| |
| − | if (System.out == null) {
| |
| − | return;
| |
| − | }
| |
| − | readPrimordialConfiguration = true;
| |
| − |
| |
| − | try {
| |
| − | AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
| |
| − | @Override
| |
| − | public Void run() throws Exception {
| |
| − | readConfiguration();
| |
| − |
| |
| − | // Platform loggers begin to delegate to java.util.logging.Logger
| |
| − | sun.util.logging.PlatformLogger.redirectPlatformLoggers();
| |
| − | return null;
| |
| − | }
| |
| − | });
| |
| − | } catch (Exception ex) {
| |
| − | assert false : "Exception raised while reading logging configuration: " + ex;
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − | }
| |
| − | </syntaxhighlight>
| |
| − | |class java.util.logging.LogManager.RootLogger
| |
| − | !
| |
| − | |-
| |
| − | |
| |
| − | |
| |
| − | !
| |
| − | |-
| |
| − | |
| |
| − | |
| |
| − | !
| |
| − | |}
| |
