Here you can find the source of createPrettyWriterFactory()
private static JsonWriterFactory createPrettyWriterFactory()
//package com.java2s; /************************************************************************ * Copyright (c) 2014 IoT-Solutions e.U. * //from w w w . ja v a 2s . co m * 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. ************************************************************************/ import java.util.HashMap; import javax.json.Json; import javax.json.JsonWriterFactory; import javax.json.stream.JsonGenerator; public class Main { private static JsonWriterFactory createPrettyWriterFactory() { HashMap<String, Object> prettyConfigMap = new HashMap<String, Object>(); prettyConfigMap.put(JsonGenerator.PRETTY_PRINTING, Boolean.TRUE); JsonWriterFactory prettyWriterFactory = Json.createWriterFactory(prettyConfigMap); return prettyWriterFactory; } }