Examples with Logger org.apache.logging.log4j.Logger used on opensource projects

Example 86 with Logger

use of org.apache.logging.log4j.Logger in project tutorials by eugenp.

the class CustomLoggingIntegrationTest method givenLoggerWithConsoleConfig_whenFilterByMarker_thanOK.

@Test
public void givenLoggerWithConsoleConfig_whenFilterByMarker_thanOK() throws Exception {
    Logger logger = LogManager.getLogger("CONSOLE_PATTERN_APPENDER_MARKER");
    Marker appError = MarkerManager.getMarker("APP_ERROR");
    Marker connectionTrace = MarkerManager.getMarker("CONN_TRACE");
    logger.error(appError, "This marker message at ERROR level should be hidden.");
    logger.trace(connectionTrace, "This is a marker message at TRACE level.");
}

Example 87 with Logger

use of org.apache.logging.log4j.Logger in project tutorials by eugenp.

the class CustomLoggingIntegrationTest method givenLoggerWithJdbcConfig_whenLogToDataSource_thanOK.

@Test
public void givenLoggerWithJdbcConfig_whenLogToDataSource_thanOK() throws Exception {
    Logger logger = LogManager.getLogger("JDBC_APPENDER");
    final int count = 88;
    for (int i = 0; i < count; i++) {
        logger.info("This is JDBC message #{} at INFO level.", count);
    }
    Connection connection = ConnectionFactory.getConnection();
    ResultSet resultSet = connection.createStatement().executeQuery("SELECT COUNT(*) AS ROW_COUNT FROM logs");
    int logCount = 0;
    if (resultSet.next()) {
        logCount = resultSet.getInt("ROW_COUNT");
    }
    assertTrue(logCount == count);
}

Example 88 with Logger

use of org.apache.logging.log4j.Logger in project tutorials by eugenp.

the class CustomLoggingIntegrationTest method givenLoggerWithDefaultConfig_whenLogToConsole_thanOK.

@Test
public void givenLoggerWithDefaultConfig_whenLogToConsole_thanOK() throws Exception {
    Logger logger = LogManager.getLogger(getClass());
    Exception e = new RuntimeException("This is only a test!");
    logger.info("This is a simple message at INFO level. " + "It will be hidden.");
    logger.error("This is a simple message at ERROR level. " + "This is the minimum visible level.", e);
}

Example 89 with Logger

use of org.apache.logging.log4j.Logger in project tutorials by eugenp.

the class CustomLoggingIntegrationTest method givenLoggerWithConsoleConfig_whenLogToConsoleInColors_thanOK.

@Test
public void givenLoggerWithConsoleConfig_whenLogToConsoleInColors_thanOK() throws Exception {
    Logger logger = LogManager.getLogger("CONSOLE_PATTERN_APPENDER_MARKER");
    Exception e = new RuntimeException("This is only a test!");
    logger.trace("This is a colored message at TRACE level.");
    logger.debug("This is a colored message at DEBUG level. " + "This is the minimum visible level.");
    logger.info("This is a colored message at INFO level.");
    logger.warn("This is a colored message at WARN level.");
    logger.error("This is a colored message at ERROR level.", e);
    logger.fatal("This is a colored message at FATAL level.");
}

Example 90 with Logger

use of org.apache.logging.log4j.Logger in project tutorials by eugenp.

the class CustomLoggingIntegrationTest method givenLoggerWithAsyncConfig_whenLogToJsonFile_thanOK.

@Test
public void givenLoggerWithAsyncConfig_whenLogToJsonFile_thanOK() throws Exception {
    Logger logger = LogManager.getLogger("ASYNC_JSON_FILE_APPENDER");
    final int count = 88;
    for (int i = 0; i < count; i++) {
        logger.info("This is async JSON message #{} at INFO level.", count);
    }
    long logEventsCount = Files.lines(Paths.get("target/logfile.json")).count();
    assertTrue(logEventsCount > 0 && logEventsCount <= count);
}