List of usage examples for com.fasterxml.jackson.dataformat.xml JacksonXmlModule setXMLTextElementName
public void setXMLTextElementName(String name)
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. * /*from w w w. ja va 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:com.opentable.extension.BodyTransformer.java
@Override public ResponseDefinition transform(Request request, ResponseDefinition responseDefinition, FileSource fileSource, Parameters parameters) { Map object = null;// w w w. jav a2s. c om String requestBody = request.getBodyAsString(); try { object = jsonMapper.readValue(requestBody, Map.class); } catch (IOException e) { try { JacksonXmlModule configuration = new JacksonXmlModule(); //Set the default value name for xml elements like <user type="String">Dmytro</user> configuration.setXMLTextElementName("value"); xmlMapper = new XmlMapper(configuration); object = xmlMapper.readValue(requestBody, Map.class); } catch (IOException ex) { //Validate is a body has the 'name=value' parameters if (StringUtils.isNotEmpty(requestBody) && (requestBody.contains("&") || requestBody.contains("="))) { object = new HashMap(); String[] pairedValues = requestBody.split("&"); for (String pair : pairedValues) { String[] values = pair.split("="); object.put(values[0], values.length > 1 ? decodeUTF8Value(values[1]) : ""); } } else { System.err.println( "[Body parse error] The body doesn't match any of 3 possible formats (JSON, XML, key=value)."); } } } if (hasEmptyBody(responseDefinition)) { return responseDefinition; } String body = getBody(responseDefinition, fileSource); return ResponseDefinitionBuilder.like(responseDefinition).but().withBodyFile(null) .withBody(transformResponse(object, body)).build(); }
From source file:org.jberet.support.io.XmlFactoryObjectFactory.java
/** * Gets an instance of {@code com.fasterxml.jackson.dataformat.xml.XmlFactory} based on the resource configuration in the * application server. The parameter {@code environment} contains XmlFactory configuration properties, and accepts * the following properties:// www. j a va 2 s . c o m * <ul> * <li>inputDecorator: fully-qualified name of a class that extends {@code com.fasterxml.jackson.core.io.InputDecorator} * <li>outputDecorator: fully-qualified name of a class that extends {@code com.fasterxml.jackson.core.io.OutputDecorator} * <li>xmlTextElementName: * <li>defaultUseWrapper: * </ul> * * @param obj the JNDI name of {@code com.fasterxml.jackson.dataformat.xml.XmlFactory} resource * @param name always null * @param nameCtx always null * @param environment a {@code Hashtable} of configuration properties * @return an instance of {@code com.fasterxml.jackson.dataformat.xml.XmlFactory} * @throws Exception any exception occurred */ @Override public Object getObjectInstance(final Object obj, final Name name, final Context nameCtx, final Hashtable<?, ?> environment) throws Exception { XmlFactory xmlFactory = xmlFactoryCached; if (xmlFactory == null) { synchronized (this) { xmlFactory = xmlFactoryCached; if (xmlFactory == null) { xmlFactoryCached = xmlFactory = new XmlFactory(); } JacksonXmlModule xmlModule = null; NoMappingJsonFactoryObjectFactory.configureInputDecoratorAndOutputDecorator(xmlFactory, environment); final Object xmlTextElementName = environment.get("xmlTextElementName"); if (xmlTextElementName != null) { xmlModule = new JacksonXmlModule(); xmlModule.setXMLTextElementName((String) xmlTextElementName); } final Object defaultUseWrapper = environment.get("defaultUseWrapper"); if (defaultUseWrapper != null) { if (defaultUseWrapper.equals("false")) { if (xmlModule == null) { xmlModule = new JacksonXmlModule(); } xmlModule.setDefaultUseWrapper(false); } else if (defaultUseWrapper.equals("true")) { //default value is already true, so nothing to do } else { throw SupportMessages.MESSAGES.invalidReaderWriterProperty(null, (String) defaultUseWrapper, "defaultUseWrapper"); } } final XmlMapper xmlMapper = xmlModule == null ? new XmlMapper(xmlFactory) : new XmlMapper(xmlFactory, xmlModule); xmlFactory.setCodec(xmlMapper); } } return xmlFactory; }