/*
* Licensed to the Ted Dunning under one or more contributor license
* agreements. See the NOTICE file that may be
* distributed with this work for additional information
* regarding copyright ownership. Ted Dunning 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 com.mapr.synth;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
/**
* Log lines can be formated in different ways
*/
public abstract class LogLineFormatter {
private final boolean withResponseTimes;
private PrintWriter log;
public LogLineFormatter(Writer log, boolean withResponseTimes) {
this.log = new PrintWriter(log);
this.withResponseTimes = withResponseTimes;
}
public static LogLineFormatter create(BufferedWriter log, Main.Format format, boolean withResponseTimes) {
switch (format) {
case JSON:
return new JsonFormatter(log, withResponseTimes);
case LOG:
case CSV:
return new CsvFormatter(log, withResponseTimes);
}
// can't happen
return null;
}
public abstract void write(LogLine sample);
public PrintWriter getLog() {
return log;
}
private static class CsvFormatter extends LogLineFormatter {
public CsvFormatter(BufferedWriter log, boolean withResponseTimes) {
super(log, withResponseTimes);
}
public void write(LogLine sample) {
getLog().printf("%.3f,%08x,%s,", sample.getT(), sample.getCookie(), sample.getIp().getHostAddress());
String sep = "\"";
for (String term : sample.getQuery()) {
getLog().format("%s%s", sep, term);
sep = " ";
}
getLog().format("\"");
if (super.withResponseTimes) {
getLog().printf(",%.1f", sample.getResponseTime() * 1000);
}
getLog().format("\n");
}
}
private static class JsonFormatter extends LogLineFormatter {
public JsonFormatter(BufferedWriter log, boolean withResponseTimes) {
super(log, withResponseTimes);
}
public void write(LogLine sample) {
getLog().printf("{\"t\": %.3f, \"cookie\":\"%08x\", \"ip\":\"%s\", \"query\":", sample.getT(), sample.getCookie(), sample.getIp().getHostAddress());
String sep = "[";
for (String term : sample.getQuery()) {
getLog().format("%s\"%s\"", sep, term);
sep = ", ";
}
getLog().format("]");
if (super.withResponseTimes) {
getLog().printf(", \"responseTime\": %.1f", sample.getResponseTime() * 1000);
}
getLog().format("]}\n");
}
}
}