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

booleanisSlf4jPresent()
is Slfj Present 
return isClassPresent("org.slf4j.Logger");
voidlog(Logger logger, int logLevel, String value)
Log given value in specified log level using provided logger instance. 
switch (logLevel) {
case 1:
    logTrace(logger, value);
    break;
case 2:
    logDebug(logger, value);
    break;
case 3:
...
voidlog(Logger logger, Throwable t)
log 
if (logger.isDebugEnabled()) {
    logger.debug(t.getMessage(), t);
} else {
    logger.info(t.getMessage());
voidlog(String format, Object... arguments)
Log a message. 
if (null != logger) {
    logger.info(format, arguments);
} else {
    System.out.println(MessageFormatter.arrayFormat(format, arguments).getMessage());
voidlog(String message)
log 
log(Level.INFO, message);
StringlogAndIdError(Logger log, String errorMessage)
log And Id Error 
log.error(errorMessage);
return errorMessage;
voidlogArgs(final Logger logger, final Object[] args)
log Args 
final String orderedBlend = args[0].toString();
logger.debug("Ordered blend: {}.", orderedBlend);
if (args.length == 2) {
    final String orderedFlavor = args[1].toString();
    logger.debug("Ordered flavor: {}.", orderedFlavor);
voidlogBind(Logger log, int index, Object value)
log Bind 
if (log.isDebugEnabled()) {
    StringBuffer msg = new StringBuffer("binding ");
    appendBoundValue(value, msg);
    msg.append(" to parameter: ").append(index);
    log.debug(msg.toString());
voidlogBytes(byte[] data, int length, String prefix, Logger logger)
Logs sent and received bytes for debugging 
if (logger.isTraceEnabled()) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < length; i++) {
        byte b = data[i];
        String byteString = Integer.toHexString(b & 0x000000FF);
        byteString = byteString.length() == 1 ? "0" + byteString : byteString;
        sb.append(" ").append(byteString);
    logger.trace(COMMUNICATION, prefix + ": " + sb.toString());
voidlogDebug(Logger logger, String mensagem, Object... params)
Verifica estado de logger e efetua log de nivel debug. 
if (logger.isDebugEnabled()) {
    logger.debug(mensagem, params);