/*
* 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.addthis.hydra.util;
import com.addthis.basis.util.RollingLog;
import com.addthis.basis.util.LessStrings;
import com.addthis.codec.config.Configs;
import com.addthis.hydra.task.output.TaskDataOutput;
import com.google.common.base.Throwables;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class LogUtil {
private static final Logger log = LoggerFactory.getLogger(LogUtil.class);
private static final DateTimeFormatter format = DateTimeFormat.forPattern("yyMMdd-HHmmss.SSS");
/**
* @param eventLog - rolling event log
* @param log - backup basic logger, only used if eventLog is null
* @param output - the KV data to output
*/
public static void log(RollingLog eventLog, Logger log, StringMapHelper output) {
if (eventLog == null) {
log.warn(output.toString() + "----> EventLog was null redirecting to stdout");
} else {
String msg = LessStrings.cat("<", format.print(System.currentTimeMillis()), ">");
output.add("timestamp", msg);
eventLog.writeLine(output.createKVPairs().toString());
}
}
public static TaskDataOutput newBundleOutputFromConfig(String name) {
Config outputConfig = ConfigFactory.load().getConfig("hydra.log.events").getConfig(name);
try {
TaskDataOutput output = Configs.decodeObject(TaskDataOutput.class, outputConfig);
output.init();
return output;
} catch (Throwable ex) {
log.error("error while trying to create bundle output named {}", name, ex);
throw Throwables.propagate(ex);
}
}
}