org.mockserver.logging.MockServerLogger Maven / Gradle / Ivy

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Functionality used by all MockServer modules for matching and expectations
There is a newer version: 5.15.0
package org.mockserver.logging;

import com.google.common.annotations.VisibleForTesting;
import org.mockserver.Version;
import org.mockserver.configuration.ConfigurationProperties;
import org.mockserver.log.model.LogEntry;
import org.mockserver.mock.HttpState;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.event.Level;

import javax.annotation.Nullable;
import java.io.ByteArrayInputStream;
import java.util.logging.LogManager;

import static java.nio.charset.StandardCharsets.UTF_8;
import static org.apache.commons.lang3.StringUtils.isNotBlank;
import static org.mockserver.character.Character.NEW_LINE;
import static org.mockserver.configuration.ConfigurationProperties.*;
import static org.mockserver.log.model.LogEntry.LogMessageType.*;
import static org.slf4j.event.Level.ERROR;

/**
 * @author jamesdbloom
 */
public class MockServerLogger {

    static {
        configureLogger();
    }

    public static void configureLogger() {
        try {
            if (isNotBlank(javaLoggerLogLevel()) && System.getProperty("java.util.logging.config.file") == null && System.getProperty("java.util.logging.config.class") == null) {
                String loggingConfiguration = "" +
                    (!disableSystemOut() ? "handlers=org.mockserver.logging.StandardOutConsoleHandler" + NEW_LINE : "") +
                    "org.mockserver.logging.StandardOutConsoleHandler.level=ALL" + NEW_LINE +
                    "org.mockserver.logging.StandardOutConsoleHandler.formatter=java.util.logging.SimpleFormatter" + NEW_LINE +
                    "java.util.logging.SimpleFormatter.format=%1$tF %1$tT " + Version.getVersion() + " %3$s  %4$s  %5$s %6$s%n" + NEW_LINE +
                    "org.mockserver.level=" + javaLoggerLogLevel() + NEW_LINE +
                    "io.netty.handler.ssl.SslHandler.level=WARNING";
                LogManager.getLogManager().readConfiguration(new ByteArrayInputStream(loggingConfiguration.getBytes(UTF_8)));
            }
        } catch (Throwable throwable) {
            if (MockServerLogger.isEnabled(ERROR)) {
                new MockServerLogger().logEvent(
                    new LogEntry()
                        .setType(SERVER_CONFIGURATION)
                        .setLogLevel(ERROR)
                        .setMessageFormat("exception while configuring Java logging - " + throwable.getMessage())
                        .setThrowable(throwable)
                );
            }
        }
    }

    private final Logger logger;
    private HttpState httpStateHandler;

    @VisibleForTesting
    public MockServerLogger() {
        this(MockServerLogger.class);
    }

    @VisibleForTesting
    public MockServerLogger(final Logger logger) {
        this.logger = logger;
        this.httpStateHandler = null;
    }

    public MockServerLogger(final Class loggerClass) {
        this.logger = LoggerFactory.getLogger(loggerClass);
        this.httpStateHandler = null;
    }

    public MockServerLogger(final @Nullable HttpState httpStateHandler) {
        this.logger = null;
        this.httpStateHandler = httpStateHandler;
    }

    public MockServerLogger setHttpStateHandler(HttpState httpStateHandler) {
        this.httpStateHandler = httpStateHandler;
        return this;
    }

    public void logEvent(LogEntry logEntry) {
        if (logEntry.getType() == RECEIVED_REQUEST
            || logEntry.getType() == FORWARDED_REQUEST
            || isEnabled(logEntry.getLogLevel())) {
            if (httpStateHandler != null) {
                httpStateHandler.log(logEntry);
            } else {
                writeToSystemOut(logger, logEntry);
            }
        }
    }

    public static void writeToSystemOut(Logger logger, LogEntry logEntry) {
        if (!ConfigurationProperties.disableSystemOut()) {
            if (isEnabled(logEntry.getLogLevel()) &&
                isNotBlank(logEntry.getMessage())) {
                switch (logEntry.getLogLevel()) {
                    case ERROR:
                        logger.error(logEntry.getMessage(), logEntry.getThrowable());
                        break;
                    case WARN:
                        logger.warn(logEntry.getMessage(), logEntry.getThrowable());
                        break;
                    case INFO:
                        logger.info(logEntry.getMessage(), logEntry.getThrowable());
                        break;
                    case DEBUG:
                        logger.debug(logEntry.getMessage(), logEntry.getThrowable());
                        break;
                    case TRACE:
                        logger.trace(logEntry.getMessage(), logEntry.getThrowable());
                        break;
                }
            }
        }
    }

    public static boolean isEnabled(final Level level) {
        return (logLevel() == null && level.toInt() >= Level.WARN.toInt())
            || (logLevel() != null && level.toInt() >= logLevel().toInt());
    }
}