Java Utililty Methods slf4j Logger

List of utility methods to do slf4j Logger

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Description

The list of methods to do slf4j Logger are organized into topic(s).

Method

voidalarm(String string)
alarm 
alarm.info(string);
voidcallShell(final String shellString, final Logger log)
call Shell 
Process process = null;
try {
    String[] cmdArray = splitShellString(shellString);
    process = Runtime.getRuntime().exec(cmdArray);
    process.waitFor();
    log.info("callShell: <{}> OK", shellString);
} catch (Throwable e) {
    log.error("callShell: readLine IOException, " + shellString, e);
...
voidcaught(Exception e, String... bizDesc)
caught 
if (null == e) {
    return;
LOGGER.error(buildDesc(bizDesc), e);
voidcheckInterrupted(String type, String name, Logger logger)
check Interrupted 
if (Thread.currentThread().isInterrupted()) {
    logger.error(type + "[" + name + "] interrupted.");
    throw new InterruptedException(type + "[" + name + "] interrupted.");
voidcleanLoggingMdc()
clean Logging Mdc 
org.slf4j.MDC.remove(MDC_TEST_ID_KEY);
voidclearRequestId()
Clear the request ID. 
MDC.remove(REQUEST_KEY);
MDC.remove(REQUEST_ID_KEY);
voidclose(final AutoCloseable closeable, final Logger log)
Attempt to close the specified closeable and log any eventual error. 
if (closeable != null) {
    try {
        closeable.close();
    } catch (Exception e) {
        if (log != null) {
            String s = "unable to close stream/reader/writer: " + getMessage(e);
            if (log.isDebugEnabled())
                log.debug(s, e);
...
voidcloseQuietly(AutoCloseable toClose, Logger log)
close Quietly 
if (toClose != null) {
    try {
        toClose.close();
    } catch (Exception e) {
        log.debug("Exception during close {}", e);
voidconfigureXWikiLogs()
If running under Maven 3.1+, where slf4j-simple is used as the logging backend, configure the SLF4J simple to have proper logging levels that do not generate too many logs. 
System.setProperty("org.slf4j.simpleLogger.defaultLogLevel", WARN_LEVEL);
System.setProperty("org.slf4j.simpleLogger.log.org", WARN_LEVEL);
System.setProperty("org.slf4j.simpleLogger.log.org.xwiki", INFO_LEVEL);
System.setProperty("org.slf4j.simpleLogger.log.hsqldb", WARN_LEVEL);
System.setProperty("org.slf4j.simpleLogger.log.org.xwiki.logging.logback", ERROR_LEVEL);
voidconfigureXWikiLogs()
If running under Maven 3.1+, where slf4j-simple is used as the logging backend, configure the system so that logs generated by XWiki or Hibernate follow the Maven logging settings. 
String rootLogLevel = System.getProperty("org.slf4j.simpleLogger.defaultLogLevel");
if (rootLogLevel == null) {
    return;
String logLevel;
switch (rootLogLevel) {
case DEBUG_LEVEL:
case ERROR_LEVEL:
...