org.apache.zeppelin.service.AdminService Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.zeppelin.service;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import javax.ws.rs.BadRequestException;
import org.apache.log4j.LogManager;
import org.apache.zeppelin.rest.message.LoggerRequest;
/** This class handles all of business logic of {@link org.apache.zeppelin.rest.AdminRestApi}. */
public class AdminService {
public List getLoggers() {
Enumeration loggers = LogManager.getCurrentLoggers();
return StreamSupport.stream(
Spliterators.spliteratorUnknownSize(
new Iterator() {
@Override
public boolean hasNext() {
return loggers.hasMoreElements();
}
@Override
public org.apache.log4j.Logger next() {
return org.apache.log4j.Logger.class.cast(loggers.nextElement());
}
},
Spliterator.ORDERED),
false)
.collect(Collectors.toList());
}
public org.apache.log4j.Logger getLogger(String name) {
return LogManager.getLogger(name);
}
public void setLoggerLevel(LoggerRequest loggerRequest) throws BadRequestException {
try {
Class.forName(loggerRequest.getName());
} catch (Throwable ignore) {
throw new BadRequestException(
"The class of '" + loggerRequest.getName() + "' doesn't exists");
}
org.apache.log4j.Logger logger = LogManager.getLogger(loggerRequest.getName());
if (null == logger) {
throw new BadRequestException("The name of the logger is wrong");
}
org.apache.log4j.Level level = org.apache.log4j.Level.toLevel(loggerRequest.getLevel(), null);
if (null == level) {
throw new BadRequestException("The level of the logger is wrong");
}
logger.setLevel(level);
}
}