package de.lmu.ifi.dbs.elki.workflow;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import java.util.logging.Level;
import de.lmu.ifi.dbs.elki.logging.Logging;
import de.lmu.ifi.dbs.elki.logging.LoggingConfiguration;
import de.lmu.ifi.dbs.elki.utilities.exceptions.AbortException;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizer;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.OptionID;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.WrongParameterValueException;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization.Parameterization;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.Flag;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.StringParameter;
/**
* Pseudo-step to configure logging / verbose mode.
*
* @author Erich Schubert
*
* @apiviz.uses LoggingConfiguration
*/
public class LoggingStep implements WorkflowStep {
/**
* Logger
*/
private final static Logging logger = Logging.getLogger(LoggingStep.class);
/**
* Constructor.
*
* @param verbose Verbose flag
* @param levels Level settings array
*/
public LoggingStep(boolean verbose, String[][] levels) {
super();
LoggingConfiguration.setVerbose(verbose);
if(levels != null) {
for(String[] pair : levels) {
try {
if(pair.length == 1) {
// Try to parse as level:
try {
Level level = Level.parse(pair[0]);
LoggingConfiguration.setDefaultLevel(level);
}
catch(IllegalArgumentException e) {
LoggingConfiguration.setLevelFor(pair[0], Level.FINEST.getName());
}
}
else if(pair.length == 2) {
LoggingConfiguration.setLevelFor(pair[0], pair[1]);
}
else {
throw new AbortException("Invalid logging settings");
}
}
catch(IllegalArgumentException e) {
logger.warning("Invalid logging statement for package " + pair[0] + ": " + e.getMessage());
}
}
}
}
/**
* Parameterization class.
*
* @author Erich Schubert
*
* @apiviz.exclude
*/
public static class Parameterizer extends AbstractParameterizer {
protected boolean verbose = false;
protected String[][] levels = null;
@Override
protected void makeOptions(Parameterization config) {
super.makeOptions(config);
final Flag verboseF = new Flag(OptionID.VERBOSE_FLAG);
if(config.grab(verboseF)) {
verbose = verboseF.getValue();
}
final StringParameter debugP = new StringParameter(OptionID.DEBUG, true);
if(config.grab(debugP)) {
String[] opts = debugP.getValue().split(",");
levels = new String[opts.length][];
int i = 0;
for(String opt : opts) {
String[] chunks = opt.split("=");
if(chunks.length != 1 && chunks.length != 2) {
config.reportError(new WrongParameterValueException(debugP, debugP.getValue(), "Invalid debug option."));
break;
}
levels[i] = chunks;
i++;
}
}
}
@Override
protected LoggingStep makeInstance() {
return new LoggingStep(verbose, levels);
}
}
}