List of usage examples for com.fasterxml.jackson.databind ObjectMapper configure
public ObjectMapper configure(JsonGenerator.Feature f, boolean state)
From source file:edu.usf.cutr.siri.SiriParserJacksonExample.java
/** * Takes in a path to a JSON or XML file, parses the contents into a Siri object, * and prints out the contents of the Siri object. * //w ww. jav a 2 s .c o m * @param args path to the JSON or XML file located on disk */ public static void main(String[] args) { if (args[0] == null) { System.out.println("Proper Usage is: java JacksonSiriParserExample path-to-siri-file-to-parse"); System.exit(0); } try { //Siri object we're going to instantiate based on JSON or XML data Siri siri = null; //Get example JSON or XML from file File file = new File(args[0]); System.out.println("Input file = " + file.getAbsolutePath()); /* * Alternately, instead of passing in a File, a String encoded in JSON or XML can be * passed into Jackson for parsing. Uncomment the below line to read the * JSON or XML into the String. */ //String inputExample = readFile(file); String extension = FilenameUtils.getExtension(args[0]); if (extension.equalsIgnoreCase("json")) { System.out.println("Parsing JSON..."); ObjectMapper mapper = null; try { mapper = (ObjectMapper) SiriUtils.readFromCache(SiriUtils.OBJECT_MAPPER); } catch (Exception e) { System.out.println("Error reading from cache: " + e); } if (mapper == null) { // instantiate ObjectMapper like normal if cache read failed mapper = new ObjectMapper(); //Jackson 2.0 configuration settings mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, true); mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true); mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true); mapper.configure(DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY, true); mapper.configure(DeserializationFeature.READ_ENUMS_USING_TO_STRING, true); //Tell Jackson to expect the JSON in PascalCase, instead of camelCase mapper.setPropertyNamingStrategy(new PropertyNamingStrategy.PascalCaseStrategy()); } //Deserialize the JSON from the file into the Siri object siri = mapper.readValue(file, Siri.class); /* * Alternately, you can also deserialize the JSON from a String into the Siri object. * Uncomment the below line to parsing the JSON from a String instead of the File. */ //siri = mapper.readValue(inputExample, Siri.class); //Write the ObjectMapper to the cache, to speed up parsing for the next execution SiriUtils.forceCacheWrite(mapper); } if (extension.equalsIgnoreCase("xml")) { System.out.println("Parsing XML..."); //Use Aalto StAX implementation explicitly XmlFactory f = new XmlFactory(new InputFactoryImpl(), new OutputFactoryImpl()); JacksonXmlModule module = new JacksonXmlModule(); /** * Tell Jackson that Lists are using "unwrapped" style (i.e., * there is no wrapper element for list). This fixes the error * "com.fasterxml.jackson.databind.JsonMappingException: Can not * >> instantiate value of type [simple type, class >> * uk.org.siri.siri.VehicleMonitoringDelivery] from JSON String; * no >> single-String constructor/factory method (through * reference chain: >> * uk.org.siri.siri.Siri["ServiceDelivery"]-> * uk.org.siri.siri.ServiceDel >> * ivery["VehicleMonitoringDelivery"])" * * NOTE - This requires Jackson v2.1 */ module.setDefaultUseWrapper(false); /** * Handles "xml:lang" attribute, which is used in SIRI * NaturalLanguage String, and looks like: <Description * xml:lang="EN">b/d 1:00pm until f/n. loc al and express buses * run w/delays & detours. POTUS visit in MANH. Allow additional * travel time Details at www.mta.info</Description> * * Passing "Value" (to match expected name in XML to map, * considering naming strategy) will make things work. This is * since JAXB uses pseudo-property name of "value" for XML Text * segments, whereas Jackson by default uses "" (to avoid name * collisions). * * NOTE - This requires Jackson v2.1 * * NOTE - This still requires a CustomPascalCaseStrategy to * work. Please see the CustomPascalCaseStrategy in this app * that is used below. */ module.setXMLTextElementName("Value"); XmlMapper xmlMapper = null; try { xmlMapper = (XmlMapper) SiriUtils.readFromCache(SiriUtils.XML_MAPPER); } catch (Exception e) { System.out.println("Error reading from cache: " + e); } if (xmlMapper == null) { xmlMapper = new XmlMapper(f, module); xmlMapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true); xmlMapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true); xmlMapper.configure(DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY, true); xmlMapper.configure(DeserializationFeature.READ_ENUMS_USING_TO_STRING, true); /** * Tell Jackson to expect the XML in PascalCase, instead of camelCase * NOTE: We need the CustomPascalStrategy here to handle XML * namespace attributes such as xml:lang. See the comments in * CustomPascalStrategy for details. */ xmlMapper.setPropertyNamingStrategy(new CustomPascalCaseStrategy()); } //Parse the SIRI XML response siri = xmlMapper.readValue(file, Siri.class); //Write the XmlMapper to the cache, to speed up parsing for the next execution SiriUtils.forceCacheWrite(xmlMapper); } //If we successfully retrieved and parsed JSON or XML, print the contents if (siri != null) { SiriUtils.printContents(siri); } } catch (IOException e) { System.err.println("Error reading or parsing input file: " + e); } }
From source file:cn.dataprocess.cfzk.JsonUtil.java
public static String toJsonString(Object sourceObject) throws IOException { ObjectMapper mapper = new ObjectMapper(); mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); String ret = mapper.writeValueAsString(sourceObject); mapper = null;//from w ww . j a v a 2 s. c o m return ret; }
From source file:cn.dataprocess.cfzk.JsonUtil.java
public static <K> K toJavaBean(String content, Class<K> valueType) throws IOException { ObjectMapper mapper = new ObjectMapper(); mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); mapper.configure(DeserializationFeature.FAIL_ON_UNRESOLVED_OBJECT_IDS, false); mapper.configure(DeserializationFeature.FAIL_ON_IGNORED_PROPERTIES, false); K ret = mapper.readValue(content, valueType); mapper = null;/* www. ja va2 s .co m*/ return ret; }
From source file:milo.jersey.JsonConfiguration.java
private static ObjectMapper createDefaultMapper() { ObjectMapper result = new ObjectMapper(); result.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); return result; }
From source file:com.github.tomakehurst.wiremock.common.Json.java
public static <T> T read(String json, Class<T> clazz) { try {//from w ww. ja v a 2 s . c om ObjectMapper mapper = new ObjectMapper(); mapper.configure(JsonParser.Feature.ALLOW_COMMENTS, true); return mapper.readValue(json, clazz); } catch (IOException ioe) { throw new RuntimeException( "Unable to bind JSON to object. Reason: " + ioe.getMessage() + " JSON:" + json, ioe); } }
From source file:info.archinnov.achilles.json.DefaultJacksonMapper.java
private static ObjectMapper defaultJacksonMapper() { ObjectMapper defaultMapper = new ObjectMapper(); defaultMapper.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true); defaultMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL); defaultMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); AnnotationIntrospector primary = new JacksonAnnotationIntrospector(); AnnotationIntrospector secondary = new JaxbAnnotationIntrospector(TypeFactory.defaultInstance()); defaultMapper.setAnnotationIntrospector(AnnotationIntrospector.pair(primary, secondary)); return defaultMapper; }
From source file:org.maxur.perfmodel.backend.rest.PMObjectMapperProvider.java
private static ObjectMapper createDefaultMapper() { final ObjectMapper result = new ObjectMapper(); result.configure(SerializationFeature.INDENT_OUTPUT, true); return result; }
From source file:utils.JsonConfiguration.java
private static ObjectMapper createDefaultMapper() { ObjectMapper result = new ObjectMapper(); result.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); return result; }
From source file:org.jenkinsci.plugins.os_ci.utils.JsonBuilder.java
public static String createJson(Object jsonObj) { String jsonString;/*from w w w .ja va 2 s .c o m*/ ObjectMapper mapper = new ObjectMapper(); try { mapper.configure(SerializationFeature.INDENT_OUTPUT, true); jsonString = mapper.writeValueAsString(jsonObj); return jsonString; } catch (JsonGenerationException ex) { ex.printStackTrace(); } catch (JsonMappingException ex) { ex.printStackTrace(); } catch (IOException ex) { ex.printStackTrace(); } return null; }
From source file:ch.netzwerg.paleo.schema.Schema.java
public static Schema parseJson(Reader in) throws IOException { ObjectMapper mapper = new ObjectMapper(); mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); return mapper.readValue(in, Schema.class); }