public void testFromMap() throws Exception { ObjectMapper mapper = new ObjectMapper(); ObjectNode root = mapper.createObjectNode(); root.put(FIELD4, TEXT2); root.put(FIELD3, -1); root.putArray(FIELD2); root.put(FIELD1, DOUBLE_VALUE); /* Let's serialize using one of two alternate methods: * first preferred (using generator) * (there are 2 variants here too) */ for (int i = 0; i < 2; ++i) { StringWriter sw = new StringWriter(); if (i == 0) { JsonGenerator gen = new JsonFactory().createGenerator(sw); root.serialize(gen, null); gen.close(); } else { mapper.writeValue(sw, root); } verifyFromMap(sw.toString()); } // And then convenient but less efficient alternative: verifyFromMap(root.toString()); }
public String toJson(ObjectMapper mapper) { ObjectNode rootNode = mapper.createObjectNode(); ArrayNode keysNode = rootNode.putArray("keys"); for (Object key : keys) { keysNode.addPOJO(key); } try { return mapper.writeValueAsString(rootNode); } catch (Exception e) { throw Exceptions.propagate(e); } }
/** * Simple test to verify that byte[] values can be handled properly when converting, as long as * there is metadata (from POJO definitions). */ public void testIssue709() throws Exception { byte[] inputData = new byte[] {1, 2, 3}; ObjectNode node = MAPPER.createObjectNode(); node.put("data", inputData); Issue709Bean result = MAPPER.treeToValue(node, Issue709Bean.class); String json = MAPPER.writeValueAsString(node); Issue709Bean resultFromString = MAPPER.readValue(json, Issue709Bean.class); Issue709Bean resultFromConvert = MAPPER.convertValue(node, Issue709Bean.class); // all methods should work equally well: Assert.assertArrayEquals(inputData, resultFromString.data); Assert.assertArrayEquals(inputData, resultFromConvert.data); Assert.assertArrayEquals(inputData, result.data); }