public abstract class LogFormatUtils extends Object
Mainly for internal use within the framework with Apache Commons Logging,
typically in the form of the spring-jcl bridge but also compatible
with other Commons Logging bridges.
| Constructor and Description |
|---|
LogFormatUtils() |
| Modifier and Type | Method and Description |
|---|---|
static String |
formatValue(Object value,
boolean limitLength)
Convenience variant of
formatValue(Object, int, boolean) that
limits the length of a log message to 100 characters and also replaces
newline characters if limitLength is set to "true". |
static String |
formatValue(Object value,
int maxLength,
boolean replaceNewlines)
Format the given value via
toString(), quoting it if it is a
CharSequence, truncating at the specified maxLength, and
compacting it into a single line when replaceNewLines is set. |
static void |
traceDebug(Log logger,
Function<Boolean,String> messageFactory)
Use this to log a message with different levels of detail (or different
messages) at TRACE vs DEBUG log levels.
|
public static String formatValue(@Nullable Object value, boolean limitLength)
formatValue(Object, int, boolean) that
limits the length of a log message to 100 characters and also replaces
newline characters if limitLength is set to "true".value - the value to formatlimitLength - whether to truncate the value at a length of 100public static String formatValue(@Nullable Object value, int maxLength, boolean replaceNewlines)
toString(), quoting it if it is a
CharSequence, truncating at the specified maxLength, and
compacting it into a single line when replaceNewLines is set.value - the value to be formattedmaxLength - the max length, after which to truncate, or -1 for unlimitedreplaceNewlines - whether to replace newline characters with placeholderspublic static void traceDebug(Log logger, Function<Boolean,String> messageFactory)
if (logger.isDebugEnabled()) {
String str = logger.isTraceEnabled() ? "..." : "...";
if (logger.isTraceEnabled()) {
logger.trace(str);
}
else {
logger.debug(str);
}
}
logger - the logger to use to log the messagemessageFactory - function that accepts a boolean set to the value
of Log.isTraceEnabled()