Java tutorial
/* * Copyright (C) 2016 BROADSoftware * * 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.kappaware.logtrawler.output.flow; import java.io.BufferedWriter; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.kappaware.logtrawler.Json; public class FileJsonOutputFlow extends AbstractJsonOutputFlow { Log log = LogFactory.getLog(FileJsonOutputFlow.class); private PrintWriter out; public FileJsonOutputFlow(String fileName, boolean outputArray) throws IOException { super(outputArray); out = new PrintWriter(new BufferedWriter(new FileWriter(fileName, true))); log.info(String.format("Json events will be stored in to '%s'", fileName)); } @Override void doOutput(Object obj) { out.println(Json.toJson(obj, true)); out.flush(); } }