src/java/org/apache/cassandra/tools/nodetool/SetLoggingLevel.java

/*
 * 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.cassandra.tools.nodetool;

import static org.apache.commons.lang3.StringUtils.EMPTY;
import io.airlift.command.Arguments;
import io.airlift.command.Command;

import java.util.ArrayList;
import java.util.List;

import org.apache.cassandra.tools.NodeProbe;
import org.apache.cassandra.tools.NodeTool.NodeToolCmd;

@Command(name = "setlogginglevel", description = "Set the log level threshold for a given class. If both class and level are empty/null, it will reset to the initial configuration")
public class SetLoggingLevel extends NodeToolCmd
{
    @Arguments(usage = "<class> <level>", description = "The class to change the level for and the log level threshold to set (can be empty)")
    private List<String> args = new ArrayList<>();

    @Override
    public void execute(NodeProbe probe)
    {
        String classQualifier = args.size() >= 1 ? args.get(0) : EMPTY;
        String level = args.size() == 2 ? args.get(1) : EMPTY;
        probe.setLoggingLevel(classQualifier, level);
    }
}