protected final Log logger;

    public JclLoggerAdapter(final Class<?> clazz) {
        sourceClass = clazz.getName();
        logger = LogFactory.getLog(clazz);
    }

    @Override
    public boolean isFatalEnabled() {
        return logger.isFatalEnabled();
    }

    @Override
    public void fatal(final String message) {
        logger.fatal(message);
    }

    @Override

    protected final String sourceClass;

    protected final java.util.logging.Logger logger;

    public JulLoggerAdapter(final Class<?> clazz) {
        sourceClass = clazz.getName();
        logger = java.util.logging.Logger.getLogger(clazz.getName());
    }

    @Override
    public boolean isFatalEnabled() {
        return logger.isLoggable(Level.SEVERE);
    }

    @Override

        when:
        configurer.configure(LogLevel.QUIET)

        logger.trace('trace')
        logger.debug('debug')
        logger.info('info')
        logger.info(Logging.LIFECYCLE, 'lifecycle')
        logger.info(Logging.QUIET, 'quiet')
        logger.warn('warn')
        logger.error('error')

        then:

import org.apache.maven.api.plugin.Log;
import org.slf4j.Logger;

import static java.util.Objects.requireNonNull;

public class DefaultLog implements Log {
    private final Logger logger;

    public DefaultLog(Logger logger) {
        this.logger = requireNonNull(logger);
    }

    public void debug(CharSequence content) {
        if (isDebugEnabled()) {
            logger.debug(toString(content));
        }
    }

                if (response.getHttpStatusCode() == 200) {
                    logger.info("Register {} to {}", path, indexName);
                    return true;
                }
                logger.warn("Invalid request for {}", path);
            }
        } catch (final Exception e) {
            logger.warn("Failed to register {}", filePath, e);
        }
        return false;
    }

import org.slf4j.Logger;
import org.slf4j.helpers.NOPLogger;

public enum WatchMode {
    ENABLED(true, "enabled") {
        @Override
        public Logger loggerForWarnings(Logger currentLogger) {
            return currentLogger;
        }
    },
    DEFAULT(true, "enabled if available") {
        @Override
        public Logger loggerForWarnings(Logger currentLogger) {

        } catch (final SsoMessageException e) {
            if (e.getCause() == null) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Metadata response.", e);
                }
                saveInfo(e.getMessageCode());
            } else {
                logger.warn("Failed to process metadata.", e);
                saveError(e.getMessageCode());
            }

    private final Logger logger;

    public InvalidInstallationWarningReporter() {
        this(Logging.getLogger(InvalidInstallationWarningReporter.class));
    }

    @VisibleForTesting
    public InvalidInstallationWarningReporter(Logger logger) {
        this.logger = logger;
    }

    @Override
    public void accept(InstallationLocation installationLocation, JvmInstallationMetadata metadata) {

        logger.debug(s);
    }

    public void info(String s) {
        logger.info(s);
    }

    public void debugReactorPlan(ProjectBuildList projectBuilds) {
        if (!logger.isDebugEnabled()) {
            return;
        }

        logger.debug("=== REACTOR BUILD PLAN ================================================");

    def "logging is not sent to System.out or System.err"() {
        file("build.gradle") << """
project.logger.error("error log message");
project.logger.warn("warn log message");
project.logger.lifecycle("lifecycle log message");
project.logger.quiet("quiet log message");
project.logger.info ("info log message");
project.logger.debug("debug log message");

task log {
    doLast {
        println "task log message"
    }
}