com.cloudbees.syslog.integration.jul.util.LevelHelper Maven / Gradle / Ivy
/**
* Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
*
http://www.apache.org/licenses/LICENSE-2.0
*
*
Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*
*
For more information: http://www.orientdb.com
*/
package com.cloudbees.syslog.integration.jul.util;
import com.cloudbees.syslog.Severity;
import java.util.*;
import java.util.logging.Level;
/** @author Cyrille Le Clerc */
public class LevelHelper {
public static final List levels =
Collections.unmodifiableList(
Arrays.asList(
Level.OFF,
Level.SEVERE,
Level.WARNING,
Level.INFO,
Level.CONFIG,
Level.FINE,
Level.FINER,
Level.FINEST,
Level.ALL));
public static final Map levelsByName;
public static final Map levelsByValue;
private static final Map julLevelToSyslogSeverity;
static {
Map levelsByNameMap = new HashMap();
Map levelsByValueMap = new HashMap();
for (Level level : levels) {
levelsByNameMap.put(level.getName(), level);
levelsByValueMap.put(level.intValue(), level);
}
levelsByName = Collections.unmodifiableMap(levelsByNameMap);
levelsByValue = Collections.unmodifiableMap(levelsByValueMap);
julLevelToSyslogSeverity =
Collections.unmodifiableMap(
new HashMap() {
{
put(Level.CONFIG, Severity.INFORMATIONAL);
put(Level.FINE, Severity.DEBUG);
put(Level.FINER, Severity.DEBUG);
put(Level.FINEST, Severity.DEBUG);
put(Level.INFO, Severity.INFORMATIONAL);
put(Level.SEVERE, Severity.ERROR);
put(Level.WARNING, Severity.WARNING);
}
});
}
/**
* Simplification: use delegate to {@link Level#parse(String)} even if the behavior is slightly
* different for localized log levels.
*
* @param name {@code null} or empty returns {@code null}
* @return
*/
public static Level findLevel(String name) {
if (name == null || name.isEmpty()) return null;
return Level.parse(name);
}
public static Severity toSeverity(Level level) {
return julLevelToSyslogSeverity.get(level);
}
/** Compare on {@link java.util.logging.Level#intValue()} */
public static Comparator comparator() {
return new Comparator() {
@Override
public int compare(Level l1, Level l2) {
return Integer.compare(l1.intValue(), l2.intValue());
}
};
}
}