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

voiderror(Logger logger, Exception e)
error 
logger.error(e.getMessage(), e);
voiderror(String errorMessage, Throwable e)
error 
e.printStackTrace();
error.error(errorMessage, e);
voiderror(String msg, Throwable e)
error 
StackTraceElement se = Thread.currentThread().getStackTrace()[2];
String clazzMethod = " " + se.getClassName() + "." + se.getMethodName() + "(" + se.getFileName() + ":"
        + se.getLineNumber() + ") ";
String log = clazzMethod + "   " + " MSG: " + msg;
logger.error(log, e);
voidExecptionLog(Logger log, String msg, Throwable e)
Execption Log 
StringextractValue(String var)
This method will fetch and return the value of 'var' from system variables and if not found in system variables then in environment variables. 

if (var != null) {
    if (!var.startsWith("${") || !var.endsWith("}")) {
        return null;
    var = var.replace("${", "");
    var = var.substring(0, var.length() - 1);
    if (var != null) {
        if (System.getProperty(var) != null) {
...

MarkerfindMarker(Marker marker, String name)
Find the marker with the given name in the given marker or its references  

if (marker == null) {
    return null;
if (marker.getName().equals(name)) {
    return marker;
} else if (marker.hasReferences()) {
    Iterator<?> refs = marker.iterator();
    while (refs.hasNext()) {
...

Stringformat(final String pattern, final @Nullable Object... arguments)
format

return MessageFormatter.arrayFormat(pattern, arguments).getMessage();

Stringformat(String format, Object... args)
Returns a formatted string using SLF4J-style argument place holders. 

return MessageFormatter.arrayFormat(format, args).getMessage();

Stringformat(String messagePattern, Object... args)
format

FormattingTuple formattingTuple = MessageFormatter.arrayFormat(messagePattern, args);
return formattingTuple.getMessage();

Loggerget(Class clazz)
get

return LoggerFactory.getLogger(clazz);