mirror of https://github.com/apache/poi.git
PoiLogManager
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1922056 13f79535-47bb-0310-9956-ffa450edef68
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@ -56,6 +56,27 @@ public final class PoiLogManager {
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}
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}
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public static Logger getLogger(String name) {
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try {
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final Logger logger = LogManager.getLogger(name);
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if (logger == null) {
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if (shouldLog()) {
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System.err.println("[PoiLogManager] Log4J returned null logger. Falling back to No-Op logger.");
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}
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return NoOpLogger.INSTANCE;
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}
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return logger;
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} catch (Throwable t) {
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if (!ExceptionUtil.isFatal(t)) {
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if (shouldLog()) {
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System.err.println("[PoiLogManager] Issue loading Log4J. Falling back to No-Op logger.");
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t.printStackTrace();
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}
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}
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return NoOpLogger.INSTANCE;
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}
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}
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private static synchronized boolean shouldLog() {
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final long time = System.currentTimeMillis();
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if (time > LAST_TIME + SLEEP_TIME) {
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