package org.geogebra.desktop.main;
import java.io.InvalidObjectException;
import java.io.ObjectStreamException;
import java.util.logging.Level;
/**
* Class defining 2 new Logging levels, one for STDOUT, one for STDERR, used
* when multiplexing STDOUT and STDERR into the same rolling log file via the
* Java Logging APIs.
*
* http://blogs.sun.com/nickstephen/entry/java_redirecting_system_out_and
*/
public class StdOutErrLevel extends Level {
private static final long serialVersionUID = 1L;
/**
* Private constructor
*/
private StdOutErrLevel(String name, int value) {
super(name, value);
}
/**
* Level for STDOUT activity.
*/
public static final Level STDOUT = new StdOutErrLevel("STDOUT",
Level.INFO.intValue() + 53);
/**
* Level for STDERR activity
*/
public static final Level STDERR = new StdOutErrLevel("STDERR",
Level.INFO.intValue() + 54);
/**
* Method to avoid creating duplicate instances when deserializing the
* object.
*
* @return the singleton instance of this <code>Level</code> value in this
* classloader
* @throws ObjectStreamException
* If unable to deserialize
*/
protected Object readResolve() throws ObjectStreamException {
if (this.intValue() == STDOUT.intValue()) {
return STDOUT;
}
if (this.intValue() == STDERR.intValue()) {
return STDERR;
}
throw new InvalidObjectException("Unknown instance :" + this);
}
}