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Merge pull request #3926 from trecloux/gh-3924_propagate-log-level-to-JUL
* gh-3926: Propagates logback log levels to java.util.logging
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commit
e69a5879b0
@ -46,7 +46,7 @@ public abstract class Slf4JLoggingSystem extends AbstractLoggingSystem {
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private void configureJdkLoggingBridgeHandler() {
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try {
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if (bridgeHandlerIsAvailable()) {
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if (isBridgeHandlerAvailable()) {
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removeJdkLoggingBridgeHandler();
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SLF4JBridgeHandler.install();
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}
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@ -56,13 +56,13 @@ public abstract class Slf4JLoggingSystem extends AbstractLoggingSystem {
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}
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}
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private boolean bridgeHandlerIsAvailable() {
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protected final boolean isBridgeHandlerAvailable() {
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return ClassUtils.isPresent(BRIDGE_HANDLER, getClassLoader());
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}
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private void removeJdkLoggingBridgeHandler() {
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try {
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if (bridgeHandlerIsAvailable()) {
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if (isBridgeHandlerAvailable()) {
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try {
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SLF4JBridgeHandler.removeHandlersForRootLogger();
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}
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@ -37,6 +37,7 @@ import org.springframework.util.StringUtils;
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import ch.qos.logback.classic.Level;
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import ch.qos.logback.classic.LoggerContext;
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import ch.qos.logback.classic.jul.LevelChangePropagator;
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import ch.qos.logback.classic.turbo.TurboFilter;
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import ch.qos.logback.classic.util.ContextInitializer;
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import ch.qos.logback.core.spi.FilterReply;
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@ -99,8 +100,7 @@ public class LogbackLoggingSystem extends Slf4JLoggingSystem {
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@Override
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protected void loadDefaults(LogFile logFile) {
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LoggerContext context = getLoggerContext();
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context.stop();
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context.reset();
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stopAndReset(context);
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LogbackConfigurator configurator = new LogbackConfigurator(context);
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new DefaultLogbackConfiguration(logFile).apply(configurator);
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}
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@ -112,8 +112,7 @@ public class LogbackLoggingSystem extends Slf4JLoggingSystem {
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logFile.applyToSystemProperties();
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}
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LoggerContext context = getLoggerContext();
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context.stop();
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context.reset();
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stopAndReset(context);
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try {
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URL url = ResourceUtils.getURL(location);
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new ContextInitializer(context).configureByResource(url);
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@ -124,6 +123,21 @@ public class LogbackLoggingSystem extends Slf4JLoggingSystem {
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}
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}
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private void stopAndReset(LoggerContext loggerContext) {
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loggerContext.stop();
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loggerContext.reset();
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if (isBridgeHandlerAvailable()) {
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addLevelChangePropagator(loggerContext);
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}
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}
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private void addLevelChangePropagator(LoggerContext loggerContext) {
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LevelChangePropagator levelChangePropagator = new LevelChangePropagator();
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levelChangePropagator.setResetJUL(true);
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levelChangePropagator.setContext(loggerContext);
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loggerContext.addListener(levelChangePropagator);
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}
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@Override
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protected void reinitialize() {
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getLoggerContext().reset();
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@ -146,6 +146,18 @@ public class LogbackLoggingSystemTests extends AbstractLoggingSystemTests {
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assertTrue("Wrong output:\n" + output, output.contains("Hello world"));
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}
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@Test
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public void loggingLevelIsPropagatedToJulI() {
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this.loggingSystem.beforeInitialize();
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this.loggingSystem.initialize(null, null);
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this.loggingSystem.setLogLevel(getClass().getName(), LogLevel.DEBUG);
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java.util.logging.Logger julLogger = java.util.logging.Logger
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.getLogger(getClass().getName());
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julLogger.fine("Hello debug world");
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String output = this.output.toString().trim();
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assertTrue("Wrong output:\n" + output, output.contains("Hello debug world"));
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}
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@Test
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public void jbossLoggingIsConfiguredToUseSlf4j() {
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this.loggingSystem.beforeInitialize();
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