pekko/akka-core/src/main/scala/config/Config.scala
2010-03-30 19:37:48 +02:00

74 lines
2.9 KiB
Scala

/**
* Copyright (C) 2009-2010 Scalable Solutions AB <http://scalablesolutions.se>
*/
package se.scalablesolutions.akka.config
import se.scalablesolutions.akka.util.Logging
import net.lag.configgy.{Configgy, ParseException}
/**
* @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
*/
object Config extends Logging {
val VERSION = "0.8"
// Set Multiverse options for max speed
System.setProperty("org.multiverse.MuliverseConstants.sanityChecks", "false")
System.setProperty("org.multiverse.api.GlobalStmInstance.factorymethod", "org.multiverse.stms.alpha.AlphaStm.createFast")
val HOME = {
val systemHome = System.getenv("AKKA_HOME")
if (systemHome == null || systemHome.length == 0 || systemHome == ".") {
val optionHome = System.getProperty("akka.home", "")
if (optionHome.length != 0) Some(optionHome)
else None
} else Some(systemHome)
}
val config = {
if (HOME.isDefined) {
try {
val configFile = HOME.get + "/config/akka.conf"
Configgy.configure(configFile)
log.info("AKKA_HOME is defined to [%s], config loaded from [%s].", HOME.get, configFile)
} catch {
case e: ParseException => throw new IllegalStateException(
"'akka.conf' config file can not be found in [" + HOME + "/config/akka.conf] aborting." +
"\n\tEither add it in the 'config' directory or add it to the classpath.")
}
} else if (System.getProperty("akka.config", "") != "") {
val configFile = System.getProperty("akka.config", "")
try {
Configgy.configure(configFile)
log.info("Config loaded from -Dakka.config=%s", configFile)
} catch {
case e: ParseException => throw new IllegalStateException(
"Config could not be loaded from -Dakka.config=" + configFile)
}
} else {
try {
Configgy.configureFromResource("akka.conf", getClass.getClassLoader)
log.info("Config loaded from the application classpath.")
} catch {
case e: ParseException => throw new IllegalStateException(
"\nCan't find 'akka.conf' configuration file." +
"\nOne of the three ways of locating the 'akka.conf' file needs to be defined:" +
"\n\t1. Define 'AKKA_HOME' environment variable to the root of the Akka distribution." +
"\n\t2. Define the '-Dakka.config=...' system property option." +
"\n\t3. Put the 'akka.conf' file on the classpath." +
"\nI have no way of finding the 'akka.conf' configuration file." +
"\nAborting.")
}
}
Configgy.config
}
val CONFIG_VERSION = config.getString("akka.version", "0")
if (VERSION != CONFIG_VERSION) throw new IllegalStateException(
"Akka JAR version [" + VERSION + "] is different than the provided config ('akka.conf') version [" + CONFIG_VERSION + "]")
val startTime = System.currentTimeMillis
def uptime = (System.currentTimeMillis - startTime) / 1000
}