Java tutorial
/* * Copyright 2016 flipkart.com zjsonpatch. * * 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.flipkart.zjsonpatch; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.ArrayNode; import com.fasterxml.jackson.databind.node.JsonNodeFactory; import com.fasterxml.jackson.databind.node.ObjectNode; import java.util.Arrays; import java.util.List; import java.util.Random; /** * User: gopi.vishwakarma * Date: 05/08/14 */ public class TestDataGenerator { private static Random random = new Random(); private static List<String> name = Arrays.asList("summers", "winters", "autumn", "spring", "rainy"); private static List<Integer> age = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); private static List<String> gender = Arrays.asList("male", "female"); private static List<String> country = Arrays.asList("india", "aus", "nz", "sl", "rsa", "wi", "eng", "bang", "pak"); private static List<String> friends = Arrays.asList("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j"); public static JsonNode generate(int count) { ArrayNode jsonNode = JsonNodeFactory.instance.arrayNode(); for (int i = 0; i < count; i++) { ObjectNode objectNode = JsonNodeFactory.instance.objectNode(); objectNode.put("name", name.get(random.nextInt(name.size()))); objectNode.put("age", age.get(random.nextInt(age.size()))); objectNode.put("gender", gender.get(random.nextInt(gender.size()))); ArrayNode countryNode = getArrayNode(country.subList(random.nextInt(country.size() / 2), (country.size() / 2) + random.nextInt(country.size() / 2))); objectNode.put("country", countryNode); ArrayNode friendNode = getArrayNode(friends.subList(random.nextInt(friends.size() / 2), (friends.size() / 2) + random.nextInt(friends.size() / 2))); objectNode.put("friends", friendNode); jsonNode.add(objectNode); } return jsonNode; } private static ArrayNode getArrayNode(List<String> args) { ArrayNode countryNode = JsonNodeFactory.instance.arrayNode(); for (String arg : args) { countryNode.add(arg); } return countryNode; } }