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PoiLogManager 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1922056 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2024-11-24 19:52:24 +00:00
parent 924d8e7894
commit a2af56511f
1 changed files with 21 additions and 0 deletions
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21
poi/src/main/java/org/apache/poi/logging/PoiLogManager.java
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@ -56,6 +56,27 @@ public final class PoiLogManager {
} }
} }
public static Logger getLogger(String name) {
try {
final Logger logger = LogManager.getLogger(name);
if (logger == null) {
if (shouldLog()) {
System.err.println("[PoiLogManager] Log4J returned null logger. Falling back to No-Op logger.");
}
return NoOpLogger.INSTANCE;
}
return logger;
} catch (Throwable t) {
if (!ExceptionUtil.isFatal(t)) {
if (shouldLog()) {
System.err.println("[PoiLogManager] Issue loading Log4J. Falling back to No-Op logger.");
t.printStackTrace();
}
}
return NoOpLogger.INSTANCE;
}
}
private static synchronized boolean shouldLog() { private static synchronized boolean shouldLog() {
final long time = System.currentTimeMillis(); final long time = System.currentTimeMillis();
if (time > LAST_TIME + SLEEP_TIME) { if (time > LAST_TIME + SLEEP_TIME) {