/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.logging.validators;
import static org.jboss.as.logging.Logging.createOperationFailure;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.logging.Level;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.operations.validation.AllowedValuesValidator;
import org.jboss.as.controller.operations.validation.ModelTypeValidator;
import org.jboss.as.logging.logging.LoggingLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Checks the value to see if it's a valid {@link Level}.
* <p/>
* Date: 13.07.2011
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
public final class LogLevelValidator extends ModelTypeValidator implements AllowedValuesValidator {
public static final Level[] LEVELS = {
org.jboss.logmanager.Level.ALL,
org.jboss.logmanager.Level.CONFIG,
org.jboss.logmanager.Level.DEBUG,
org.jboss.logmanager.Level.ERROR,
org.jboss.logmanager.Level.FATAL,
org.jboss.logmanager.Level.FINE,
org.jboss.logmanager.Level.FINER,
org.jboss.logmanager.Level.FINEST,
org.jboss.logmanager.Level.INFO,
org.jboss.logmanager.Level.OFF,
org.jboss.logmanager.Level.SEVERE,
org.jboss.logmanager.Level.TRACE,
org.jboss.logmanager.Level.WARN,
org.jboss.logmanager.Level.WARNING
};
private final List<Level> allowedValues;
private final List<ModelNode> nodeValues;
public LogLevelValidator(final boolean nullable) {
this(nullable, false);
}
public LogLevelValidator(final boolean nullable, final Level... levels) {
this(nullable, false, levels);
}
public LogLevelValidator(final boolean nullable, final boolean allowExpressions) {
this(nullable, allowExpressions, LEVELS);
}
public LogLevelValidator(final boolean nullable, final boolean allowExpressions, final Level... levels) {
super(ModelType.STRING, nullable, allowExpressions);
allowedValues = Arrays.asList(levels);
Collections.sort(allowedValues, LevelComparator.INSTANCE);
nodeValues = new ArrayList<ModelNode>(allowedValues.size());
for (Level level : allowedValues) {
nodeValues.add(new ModelNode(level.getName()));
}
}
@Override
public void validateParameter(final String parameterName, final ModelNode value) throws OperationFailedException {
super.validateParameter(parameterName, value);
if (value.isDefined()) {
final String levelString = value.asString();
try {
final Level level = Level.parse(levelString);
if (!allowedValues.contains(level)) {
throw createOperationFailure(LoggingLogger.ROOT_LOGGER.invalidLogLevel(levelString));
}
} catch (IllegalArgumentException e) {
throw createOperationFailure(LoggingLogger.ROOT_LOGGER.invalidLogLevel(levelString));
}
}
}
@Override
public List<ModelNode> getAllowedValues() {
return nodeValues;
}
private static class LevelComparator implements Comparator<Level> {
static final int EQUAL = 0;
static final int LESS = -1;
static final int GREATER = 1;
static final LevelComparator INSTANCE = new LevelComparator();
@Override
public int compare(final Level o1, final Level o2) {
int result = EQUAL;
final int left = o1.intValue();
final int right = o2.intValue();
if (left < right) {
result = LESS;
} else if (left > right) {
result = GREATER;
}
return result;
}
}
}