src/main/java/com/googlesource/gerrit/plugins/loglevel/LogLevel.java

// Copyright (C) 2017 The Android Open Source Project
//
// 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.
package com.googlesource.gerrit.plugins.loglevel;

import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.extensions.events.LifecycleListener;
import com.google.gerrit.server.config.PluginConfigFactory;
import com.google.inject.Inject;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.eclipse.jgit.lib.Config;

public class LogLevel implements LifecycleListener {
  private static final Logger log = Logger.getLogger(LogLevel.class);

  @Inject private PluginConfigFactory configFactory;
  @Inject private @PluginName String pluginName;

  @Override
  public void start() {
    log.info("Plug-in started");
    Config config = configFactory.getGlobalPluginConfig(pluginName);
    for (String cfgLevel : config.getSections()) {
      String[] names = config.getStringList(cfgLevel, null, "name");
      for (String name : names) {
        Logger logger = Logger.getLogger(name);
        Level level = Level.toLevel(cfgLevel, Level.INFO);
        logger.setLevel(level);
        log.info("[" + level.toString() + "] " + name);
      }
    }
  }

  @Override
  public void stop() {}
}