org.apache.zeppelin.rest.message.gson.LoggerSerializer 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.rest.message.gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import java.lang.reflect.Type;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Category;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
public class LoggerSerializer implements JsonSerializer {
@Override
public JsonElement serialize(
Logger logger, Type type, JsonSerializationContext jsonSerializationContext) {
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("name", logger.getName());
jsonObject.addProperty("level", getLoggerLevel(logger));
return jsonObject;
}
private String getLoggerLevel(Category logger) {
if (null == logger) {
return StringUtils.EMPTY;
}
Level level = logger.getLevel();
if (null != level) {
return level.toString();
} else {
return getLoggerLevel(logger.getParent());
}
}
}