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package de.lmu.ifi.dbs.elki.workflow;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2015
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 de.lmu.ifi.dbs.elki.application.AbstractApplication;
import de.lmu.ifi.dbs.elki.logging.Logging;
import de.lmu.ifi.dbs.elki.logging.Logging.Level;
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.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 static final Logging LOG = Logging.getLogger(LoggingStep.class);
/**
* Constructor.
*
* @param verbose Verbose flag
* @param levels Level settings array
*/
public LoggingStep(int verbose, String[][] levels) {
super();
if (verbose <= 0) {
LoggingConfiguration.setVerbose(Level.WARNING);
} else if (verbose == 1) {
LoggingConfiguration.setVerbose(Level.VERBOSE);
} else if (verbose > 1) {
// Extra verbosity - do not call with "false" to not undo!
LoggingConfiguration.setVerbose(Level.VERYVERBOSE);
}
if (levels != null) {
for (String[] pair : levels) {
try {
if (pair.length == 1) {
// Try to parse as level:
try {
java.util.logging.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) {
LOG.warning("Invalid logging statement for package " + pair[0] + ": " + e.getMessage());
}
}
}
}
/**
* Parameterization class.
*
* @author Erich Schubert
*
* @apiviz.exclude
*/
public static class Parameterizer extends AbstractParameterizer {
/**
* Verbose mode.
*/
protected int verbose = 0;
/**
* Enable logging levels manually
*/
protected String[][] levels = null;
@Override
protected void makeOptions(Parameterization config) {
super.makeOptions(config);
final Flag verboseF = new Flag(AbstractApplication.Parameterizer.VERBOSE_ID);
if (config.grab(verboseF) && verboseF.isTrue()) {
verbose++;
final Flag verbose2F = new Flag(AbstractApplication.Parameterizer.VERBOSE_ID);
if (config.grab(verbose2F) && verbose2F.isTrue()) {
verbose++;
}
}
final StringParameter debugP = new StringParameter(AbstractApplication.Parameterizer.DEBUG_ID);
debugP.setOptional(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);
}
}
}
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