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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.utils;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.LoggerContext;
/**
* Loger Utils
*/
public class LoggerUtil {
/**
* Root logger
*/
public static final String ROOT_LOGGER = "ROOT";
private LoggerUtil() {
// Empty constructor
}
/**
* set the log level of a logger
*
* @param loggerName logger name
* @param loggerLevel logger level
*/
public static String setLevel(String loggerName, String loggerLevel) {
if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext))
throw new IllegalStateException("The SLF4J logger factory is not configured for logback");
final LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
final ch.qos.logback.classic.Logger logger = context.getLogger(loggerName);
if (logger == null)
throw new IllegalArgumentException("no logger " + loggerName);
logger.setLevel(ch.qos.logback.classic.Level.toLevel(loggerLevel));
return logger.getLevel().toString();
}
}
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