com.mchange.sc.v3.failable.logging.package.scala Maven / Gradle / Ivy
package com.mchange.sc.v3.failable
import com.mchange.sc.v1.log.{MLogger,MLevel};
import com.mchange.sc.v1.log.MLevel._;
package object logging {
implicit class FailableLoggingOps[T]( val failable : Failable[T] ) extends AnyVal {
def xlog( level : MLevel, premessage : => String = "" )( implicit logger : MLogger ) : Failable[T] = {
def doLog( oops : Failed[T] ) = {
val pm = premessage; // avoid multiple executions of the by name expression
val prefix = if ( pm == "" || pm == null ) "" else pm + LineSeparator;
level.log( prefix + oops )( logger )
}
failable match {
case oops : Failed[T] => doLog( oops );
case _ => /* ignore */;
}
failable
}
def logRecover[TT >: T]( level : MLevel, recoveryFunction : Failed[T] => TT, premessage : => String )( implicit logger : MLogger ) : Failable[TT] = {
xlog( level, premessage )( logger ).recover( recoveryFunction );
}
def logRecover[TT >: T]( level : MLevel, recoveryFunction : Failed[T] => TT )( implicit logger : MLogger ) : Failable[TT] = logRecover[TT]( level, recoveryFunction, "" )( logger );
def logRecoverWithValue[TT >: T]( level : MLevel, recoveryValue : TT, premessage : => String )( implicit logger : MLogger ) : Failable[TT] = {
xlog( level, premessage )( logger ).recover( _ => recoveryValue );
}
def logRecoverWithValue[TT >: T]( level : MLevel, recoveryValue : TT )( implicit logger : MLogger ) : Failable[TT] = logRecoverWithValue( level, recoveryValue, "" )( logger );
// is the API below just a little too cute?
def xwarning( premessage : => String = "" )( implicit logger : MLogger ) : Failable[T] = xlog( WARNING, premessage )( logger )
def xsevere( premessage : => String = "" )( implicit logger : MLogger ) : Failable[T] = xlog( SEVERE, premessage )( logger )
def xinfo( premessage : => String = "" )( implicit logger : MLogger ) : Failable[T] = xlog( INFO, premessage )( logger )
def xdebug( premessage : => String = "" )( implicit logger : MLogger ) : Failable[T] = xlog( DEBUG, premessage )( logger )
def xtrace( premessage : => String = "" )( implicit logger : MLogger ) : Failable[T] = xlog( TRACE, premessage )( logger )
def xwarn( premessage : => String = "" )( implicit logger : MLogger ) : Failable[T] = xwarning( premessage )( logger )
}
}