269 }
270 }
271
272 // Table of known loggers. Maps names to PlatformLoggers.
273 private static final Map<String,WeakReference<PlatformLogger>> loggers =
274 new HashMap<>();
275
276 /**
277 * Returns a PlatformLogger of a given name.
278 * @param name the name of the logger
279 * @return a PlatformLogger
280 */
281 public static synchronized PlatformLogger getLogger(String name) {
282 PlatformLogger log = null;
283 WeakReference<PlatformLogger> ref = loggers.get(name);
284 if (ref != null) {
285 log = ref.get();
286 }
287 if (log == null) {
288 log = new PlatformLogger(PlatformLogger.Bridge.convert(
289 // We pass PlatformLogger.class rather than the actual caller
290 // because we want PlatformLoggers to be system loggers: we
291 // won't need to resolve any resource bundles anyway.
292 // Note: Many unit tests depend on the fact that
293 // PlatformLogger.getLoggerFromFinder is not caller sensitive.
294 LazyLoggers.getLazyLogger(name, PlatformLogger.class)));
295 loggers.put(name, new WeakReference<>(log));
296 }
297 return log;
298 }
299
300 // The system loggerProxy returned by LazyLoggers
301 // This may be a lazy logger - see jdk.internal.logger.LazyLoggers,
302 // or may be a Logger instance (or a wrapper thereof).
303 //
304 private final PlatformLogger.Bridge loggerProxy;
305 private PlatformLogger(PlatformLogger.Bridge loggerProxy) {
306 this.loggerProxy = loggerProxy;
307 }
308
309 /**
310 * A convenience method to test if the logger is turned off.
311 * (i.e. its level is OFF).
312 * @return whether the logger is turned off.
313 */
314 public boolean isEnabled() {
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269 }
270 }
271
272 // Table of known loggers. Maps names to PlatformLoggers.
273 private static final Map<String,WeakReference<PlatformLogger>> loggers =
274 new HashMap<>();
275
276 /**
277 * Returns a PlatformLogger of a given name.
278 * @param name the name of the logger
279 * @return a PlatformLogger
280 */
281 public static synchronized PlatformLogger getLogger(String name) {
282 PlatformLogger log = null;
283 WeakReference<PlatformLogger> ref = loggers.get(name);
284 if (ref != null) {
285 log = ref.get();
286 }
287 if (log == null) {
288 log = new PlatformLogger(PlatformLogger.Bridge.convert(
289 // We pass PlatformLogger.class.getModule() (java.base)
290 // rather than the actual module of the caller
291 // because we want PlatformLoggers to be system loggers: we
292 // won't need to resolve any resource bundles anyway.
293 // Note: Many unit tests depend on the fact that
294 // PlatformLogger.getLoggerFromFinder is not caller
295 // sensitive, and this strategy ensure that the tests
296 // still pass.
297 LazyLoggers.getLazyLogger(name, PlatformLogger.class.getModule())));
298 loggers.put(name, new WeakReference<>(log));
299 }
300 return log;
301 }
302
303 // The system loggerProxy returned by LazyLoggers
304 // This may be a lazy logger - see jdk.internal.logger.LazyLoggers,
305 // or may be a Logger instance (or a wrapper thereof).
306 //
307 private final PlatformLogger.Bridge loggerProxy;
308 private PlatformLogger(PlatformLogger.Bridge loggerProxy) {
309 this.loggerProxy = loggerProxy;
310 }
311
312 /**
313 * A convenience method to test if the logger is turned off.
314 * (i.e. its level is OFF).
315 * @return whether the logger is turned off.
316 */
317 public boolean isEnabled() {
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