Java tutorial
/* * Copyright (C) 2013-2016 52North Initiative for Geospatial Open Source * Software GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * If the program is linked with libraries which are licensed under one of * the following licenses, the combination of the program with the linked * library is not considered a "derivative work" of the program: * * - Apache License, version 2.0 * - Apache Software License, version 1.0 * - GNU Lesser General Public License, version 3 * - Mozilla Public License, versions 1.0, 1.1 and 2.0 * - Common Development and Distribution License (CDDL), version 1.0 * * Therefore the distribution of the program linked with libraries licensed * under the aforementioned licenses, is permitted by the copyright holders * if the distribution is compliant with both the GNU General Public License * version 2 and the aforementioned licenses. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. */ package org.n52.io.extension; import java.io.IOException; import org.junit.Assert; import org.junit.Test; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; public class MetadataJsonEntitiyTest { @Test public void givenMetadataJsonEntity_whenSerialize_ValueAsJsonNode() throws JsonProcessingException, IOException { MetadataJsonEntity entity = new MetadataJsonEntity(); entity.setPkid(1L); entity.setName("some_metadata"); entity.setSeriesId(1L); entity.setType("json"); entity.setValue("{\"key\":\"value\",\"object\":{\"key1\":\"string\",\"key2\":42}}"); ObjectMapper om = new ObjectMapper(); String jsonString = om.writeValueAsString(entity); JsonNode jsonNode = om.readTree(jsonString); JsonNode at = jsonNode.path("value").path("object"); Assert.assertTrue(at.isObject()); } }