List of usage examples for com.fasterxml.jackson.core JsonToken START_ARRAY
JsonToken START_ARRAY
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From source file:org.elasticsearch.client.sniff.ElasticsearchNodesSniffer.java
private static Node readNode(String nodeId, JsonParser parser, Scheme scheme) throws IOException { HttpHost publishedHost = null;//from www. j av a 2s. c o m /* * We sniff the bound hosts so we can look up the node based on any * address on which it is listening. This is useful in Elasticsearch's * test framework where we sometimes publish ipv6 addresses but the * tests contact the node on ipv4. */ Set<HttpHost> boundHosts = new HashSet<>(); String name = null; String version = null; /* * Multi-valued attributes come with key = `real_key.index` and we * unflip them after reading them because we can't rely on the order * that they arive. */ final Map<String, String> protoAttributes = new HashMap<String, String>(); boolean sawRoles = false; boolean master = false; boolean data = false; boolean ingest = false; String fieldName = null; while (parser.nextToken() != JsonToken.END_OBJECT) { if (parser.getCurrentToken() == JsonToken.FIELD_NAME) { fieldName = parser.getCurrentName(); } else if (parser.getCurrentToken() == JsonToken.START_OBJECT) { if ("http".equals(fieldName)) { while (parser.nextToken() != JsonToken.END_OBJECT) { if (parser.getCurrentToken() == JsonToken.VALUE_STRING && "publish_address".equals(parser.getCurrentName())) { URI publishAddressAsURI = URI.create(scheme + "://" + parser.getValueAsString()); publishedHost = new HttpHost(publishAddressAsURI.getHost(), publishAddressAsURI.getPort(), publishAddressAsURI.getScheme()); } else if (parser.currentToken() == JsonToken.START_ARRAY && "bound_address".equals(parser.getCurrentName())) { while (parser.nextToken() != JsonToken.END_ARRAY) { URI boundAddressAsURI = URI.create(scheme + "://" + parser.getValueAsString()); boundHosts.add(new HttpHost(boundAddressAsURI.getHost(), boundAddressAsURI.getPort(), boundAddressAsURI.getScheme())); } } else if (parser.getCurrentToken() == JsonToken.START_OBJECT) { parser.skipChildren(); } } } else if ("attributes".equals(fieldName)) { while (parser.nextToken() != JsonToken.END_OBJECT) { if (parser.getCurrentToken() == JsonToken.VALUE_STRING) { String oldValue = protoAttributes.put(parser.getCurrentName(), parser.getValueAsString()); if (oldValue != null) { throw new IOException("repeated attribute key [" + parser.getCurrentName() + "]"); } } else { parser.skipChildren(); } } } else { parser.skipChildren(); } } else if (parser.currentToken() == JsonToken.START_ARRAY) { if ("roles".equals(fieldName)) { sawRoles = true; while (parser.nextToken() != JsonToken.END_ARRAY) { switch (parser.getText()) { case "master": master = true; break; case "data": data = true; break; case "ingest": ingest = true; break; default: logger.warn("unknown role [" + parser.getText() + "] on node [" + nodeId + "]"); } } } else { parser.skipChildren(); } } else if (parser.currentToken().isScalarValue()) { if ("version".equals(fieldName)) { version = parser.getText(); } else if ("name".equals(fieldName)) { name = parser.getText(); } } } //http section is not present if http is not enabled on the node, ignore such nodes if (publishedHost == null) { logger.debug("skipping node [" + nodeId + "] with http disabled"); return null; } Map<String, List<String>> realAttributes = new HashMap<>(protoAttributes.size()); List<String> keys = new ArrayList<>(protoAttributes.keySet()); for (String key : keys) { if (key.endsWith(".0")) { String realKey = key.substring(0, key.length() - 2); List<String> values = new ArrayList<>(); int i = 0; while (true) { String value = protoAttributes.remove(realKey + "." + i); if (value == null) { break; } values.add(value); i++; } realAttributes.put(realKey, unmodifiableList(values)); } } for (Map.Entry<String, String> entry : protoAttributes.entrySet()) { realAttributes.put(entry.getKey(), singletonList(entry.getValue())); } if (version.startsWith("2.")) { /* * 2.x doesn't send roles, instead we try to read them from * attributes. */ boolean clientAttribute = v2RoleAttributeValue(realAttributes, "client", false); Boolean masterAttribute = v2RoleAttributeValue(realAttributes, "master", null); Boolean dataAttribute = v2RoleAttributeValue(realAttributes, "data", null); master = masterAttribute == null ? false == clientAttribute : masterAttribute; data = dataAttribute == null ? false == clientAttribute : dataAttribute; } else { assert sawRoles : "didn't see roles for [" + nodeId + "]"; } assert boundHosts.contains(publishedHost) : "[" + nodeId + "] doesn't make sense! publishedHost should be in boundHosts"; logger.trace("adding node [" + nodeId + "]"); return new Node(publishedHost, boundHosts, name, version, new Roles(master, data, ingest), unmodifiableMap(realAttributes)); }
From source file:com.adobe.communities.ugc.migration.importer.UGCImportHelper.java
public static Map<String, Object> extractSubmap(final JsonParser jsonParser) throws IOException { jsonParser.nextToken(); // skip the START_OBJECT token final Map<String, Object> subMap = new HashMap<String, Object>(); while (!jsonParser.getCurrentToken().equals(JsonToken.END_OBJECT)) { final String label = jsonParser.getCurrentName(); // get the current label final JsonToken token = jsonParser.nextToken(); // get the current value if (!token.isScalarValue()) { if (token.equals(JsonToken.START_OBJECT)) { // if the next token starts a new object, recurse into it subMap.put(label, extractSubmap(jsonParser)); } else if (token.equals(JsonToken.START_ARRAY)) { final List<String> subArray = new ArrayList<String>(); jsonParser.nextToken(); // skip the START_ARRAY token while (!jsonParser.getCurrentToken().equals(JsonToken.END_ARRAY)) { subArray.add(jsonParser.getValueAsString()); jsonParser.nextToken(); }/*w ww . jav a 2s. c o m*/ subMap.put(label, subArray); jsonParser.nextToken(); // skip the END_ARRAY token } } else { // either a string, boolean, or long value if (token.isNumeric()) { subMap.put(label, jsonParser.getValueAsLong()); } else { final String value = jsonParser.getValueAsString(); if (value.equals("true") || value.equals("false")) { subMap.put(label, jsonParser.getValueAsBoolean()); } else { subMap.put(label, value); } } } jsonParser.nextToken(); // next token will either be an "END_OBJECT" or a new label } jsonParser.nextToken(); // skip the END_OBJECT token return subMap; }
From source file:com.sdl.odata.unmarshaller.json.core.JsonProcessor.java
/** * Process OData links./*from w w w . j a v a 2 s. c om*/ * * @param jsonParser the parser * @throws IOException If unable to read input parser */ private void processLinks(JsonParser jsonParser) throws IOException { LOG.info("@odata.bind tag found - start parsing"); final String fullLinkFieldName = jsonParser.getText(); final String key = fullLinkFieldName.substring(0, fullLinkFieldName.indexOf(ODATA_BIND)); JsonToken token = jsonParser.nextToken(); if (token != JsonToken.START_ARRAY) { // Single link links.put(key, processLink(jsonParser)); } else { // Array of links final List<String> linksList = new ArrayList<>(); while (jsonParser.nextToken() != JsonToken.END_ARRAY) { linksList.add(processLink(jsonParser)); } this.links.put(key, linksList); } }
From source file:de.undercouch.bson4jackson.BsonParser.java
@Override public boolean isExpectedStartArrayToken() { JsonToken t = _currToken;/*from www . j ava 2 s . co m*/ if (t == JsonToken.START_OBJECT) { //FIX FOR ISSUE #31: //if this method is called, this usually means the caller wants //to parse an array (i.e. this method is called by array //deserializers such as StringArrayDeserializer. If we're currently //at the start of an object, check if this object might as well //be an array (it's just a quick sanity check). boolean isarray; if (_in.markSupported()) { _in.mark(3); try { //check the first key in the object. if it is '0' this //could indeed be an array //read type byte tpe = _in.readByte(); if (tpe != BsonConstants.TYPE_END) { //read key (CString) if (_in.readByte() == '0' && _in.readByte() == '\0') { //the object could indeed be an array! isarray = true; } else { //the first key was not '0'. this can't be an array! isarray = false; } } else { //object is empty. it could be an empty array. isarray = true; } } catch (IOException e) { //we cannot check. just assume it would work. the caller //should know what he does. isarray = true; } finally { try { _in.reset(); } catch (IOException re) { throw new IllegalStateException("Could not reset input stream", re); } } } else { //we cannot check. just assume it would work. the caller //should know what he does. isarray = true; } if (isarray) { //replace START_OBJECT token by START_ARRAY, update current context _currToken = JsonToken.START_ARRAY; _currentContext = _currentContext.copy(_currentContext.parent, true); return true; } } return super.isExpectedStartArrayToken(); }
From source file:com.zenesis.qx.remote.RequestHandler.java
/** * Handles the callback from the client; expects either an object or an array of objects * @param request/* w ww . j a v a 2 s . c om*/ * @param response * @throws ServletException * @throws IOException */ public void processRequest(Reader request, Writer response) throws ServletException, IOException { s_currentHandler.set(this); ObjectMapper objectMapper = tracker.getObjectMapper(); try { if (log.isDebugEnabled()) { StringWriter sw = new StringWriter(); char[] buffer = new char[32 * 1024]; int length; while ((length = request.read(buffer)) > 0) { sw.write(buffer, 0, length); } log.debug("Received: " + sw.toString()); request = new StringReader(sw.toString()); } JsonParser jp = objectMapper.getJsonFactory().createJsonParser(request); if (jp.nextToken() == JsonToken.START_ARRAY) { while (jp.nextToken() != JsonToken.END_ARRAY) processCommand(jp); } else if (jp.getCurrentToken() == JsonToken.START_OBJECT) processCommand(jp); if (tracker.hasDataToFlush()) { Writer actualResponse = response; if (log.isDebugEnabled()) { final Writer tmp = response; actualResponse = new Writer() { @Override public void close() throws IOException { tmp.close(); } @Override public void flush() throws IOException { tmp.flush(); } @Override public void write(char[] arg0, int arg1, int arg2) throws IOException { System.out.print(new String(arg0, arg1, arg2)); tmp.write(arg0, arg1, arg2); } }; } objectMapper.writeValue(actualResponse, tracker.getQueue()); } } catch (ProxyTypeSerialisationException e) { log.fatal("Unable to serialise type information to client: " + e.getMessage(), e); } catch (ProxyException e) { handleException(response, objectMapper, e); } catch (Exception e) { log.error("Exception during callback: " + e.getMessage(), e); tracker.getQueue().queueCommand(CommandType.EXCEPTION, null, null, new ExceptionDetails(e.getClass().getName(), e.getMessage())); objectMapper.writeValue(response, tracker.getQueue()); } finally { s_currentHandler.set(null); } }
From source file:org.gvnix.web.json.DataBinderDeserializer.java
/** * Deserializes JSON array into Map<String, String> format to use it in a * Spring {@link DataBinder}.// ww w. jav a2 s. com * <p/> * Iterate over every array's item to generate a prefix for property names * on DataBinder style ( * <em>{prefix}[{index}].<em>) and delegates on {@link #readField(JsonParser, DeserializationContext, JsonToken, String)} * * @param parser JSON parser * @param ctxt context * @param prefix array dataBinder path * @return * @throws IOException * @throws JsonProcessingException */ protected Map<String, String> readArray(JsonParser parser, DeserializationContext ctxt, String prefix) throws IOException, JsonProcessingException { JsonToken t = parser.getCurrentToken(); if (t == JsonToken.START_ARRAY) { t = parser.nextToken(); // Skip it to locate on first array data token } // Deserialize array properties int i = 0; Map<String, String> deserObj = new HashMap<String, String>(); for (; t != JsonToken.END_ARRAY; t = parser.nextToken()) { // Property name must include prefix this way: // degrees[0].description Map<String, String> field = readField(parser, ctxt, t, prefix.concat("[").concat(Integer.toString(i++)).concat("].")); deserObj.putAll(field); } return deserObj; }
From source file:com.adobe.communities.ugc.migration.importer.MessagesImportServlet.java
private void importMessages(final SlingHttpServletRequest request, final JsonParser jsonParser, final Map<String, Object> messageModifiers) throws ServletException { if (!jsonParser.getCurrentToken().equals(JsonToken.START_ARRAY)) { throw new ServletException("unexpected starting token " + jsonParser.getCurrentToken().asString()); }//from w w w .j av a 2 s . c o m try { jsonParser.nextToken(); //presumably, we will advance to a "start object" token while (!jsonParser.getCurrentToken().equals(JsonToken.END_ARRAY)) { final Map<String, Map<String, Boolean>> recipientModifiers = new HashMap<String, Map<String, Boolean>>(); final Map<String, Object> props = new HashMap<String, Object>(); final Map<String, Object> messageModifier = new HashMap<String, Object>(); List<FileDataSource> attachments = new ArrayList<FileDataSource>(); String sender = ""; jsonParser.nextToken(); //field name while (!jsonParser.getCurrentToken().equals(JsonToken.END_OBJECT)) { final String fieldName = jsonParser.getCurrentName(); jsonParser.nextToken(); //value if (fieldName.equals("senderId")) { sender = URLDecoder.decode(jsonParser.getValueAsString(), "UTF-8"); } else if (fieldName.equals("added")) { final Calendar calendar = new GregorianCalendar(); calendar.setTimeInMillis(jsonParser.getLongValue()); messageModifier.put("added", calendar); } else if (fieldName.equals("recipients")) { // build the string for the "to" property and also create the modifiers we'll need later final StringBuilder recipientString = new StringBuilder(); //iterate over each key (each being a recipient id) if (jsonParser.getCurrentToken().equals(JsonToken.START_OBJECT)) { jsonParser.nextToken(); // should get first recipientId while (!jsonParser.getCurrentToken().equals(JsonToken.END_OBJECT)) { final String recipientId = jsonParser.getCurrentName(); jsonParser.nextToken(); //start object jsonParser.nextToken(); //first label final Map<String, Boolean> interactionModifiers = new HashMap<String, Boolean>(); while (!jsonParser.getCurrentToken().equals(JsonToken.END_OBJECT)) { final String label = jsonParser.getCurrentName(); jsonParser.nextToken(); final Boolean labelValue = jsonParser.getBooleanValue(); interactionModifiers.put(label, labelValue); jsonParser.nextToken(); //next label or end object } try { final String userPath = userPropertiesService.getAuthorizablePath(recipientId); recipientModifiers.put(userPath, interactionModifiers); recipientString.append(recipientId); } catch (final RepositoryException e) { // log the fact that a recipient specified in the json file doesn't exist in this // environment throw new ServletException( "A recipient specified in the migration file couldn't " + "be found in this environment", e); } jsonParser.nextToken(); // next recipientId or end object if (jsonParser.getCurrentToken().equals(JsonToken.FIELD_NAME)) { recipientString.append(';'); } } props.put("to", recipientString); messageModifier.put("recipientDetails", recipientModifiers); } } else if (fieldName.equals(ContentTypeDefinitions.LABEL_ATTACHMENTS)) { UGCImportHelper.getAttachments(jsonParser, attachments); } else { props.put(fieldName, URLDecoder.decode(jsonParser.getValueAsString(), "UTF-8")); } jsonParser.nextToken(); //either next field name or end object } final Random range = new Random(); final String key = String.valueOf(range.nextInt(Integer.MAX_VALUE)) + String.valueOf(range.nextInt(Integer.MAX_VALUE)); // we're going to temporarily overwrite the subject (to do a search) and need to track its initial value if (props.containsKey("subject")) { messageModifier.put("subject", props.get("subject")); } else { messageModifier.put("subject", ""); } props.put("subject", key); //use subject as the search key messageModifiers.put(key, messageModifier); try { short result = messagingService.create(request.getResourceResolver(), request.getResource(), sender, props, attachments, clientUtilsFactory.getClientUtilities(xss, request, socialUtils)); if (result != 200) { throw new ServletException("Message sending failed. Return code was " + result); } } catch (final OperationException e) { throw new ServletException("Unable to create a message through the operation service", e); } jsonParser.nextToken(); //either END_ARRAY or START_OBJECT } } catch (final IOException e) { throw new ServletException("Encountered exception while parsing json content", e); } }
From source file:data.DefaultExchanger.java
public void importData(String dbName, JsonParser parser, JdbcTemplate jdbcTemplate) throws IOException { PlatformTransactionManager tm = new DataSourceTransactionManager(jdbcTemplate.getDataSource()); TransactionStatus ts = tm.getTransaction(new DefaultTransactionDefinition()); try {/* www.j a v a2 s. c om*/ if (dbName.equals("MySQL")) { jdbcTemplate.update("SET FOREIGN_KEY_CHECKS = 0"); jdbcTemplate.update("SET NAMES \'utf8mb4\'"); } final Configuration config = Configuration.root(); int batchSize = config.getInt(DATA_BATCH_SIZE_KEY, DEFAULT_BATCH_SIZE); if (parser.nextToken() != JsonToken.END_OBJECT) { String fieldName = parser.getCurrentName(); play.Logger.debug("importing {}", fieldName); if (fieldName.equalsIgnoreCase(getTable())) { truncateTable(jdbcTemplate); JsonToken current = parser.nextToken(); if (current == JsonToken.START_ARRAY) { importDataFromArray(parser, jdbcTemplate, batchSize); importSequence(dbName, parser, jdbcTemplate); } else { play.Logger.info("Error: records should be an array: skipping."); parser.skipChildren(); } } } tm.commit(ts); } catch (Exception e) { e.printStackTrace(); tm.rollback(ts); } finally { if (dbName.equals("MySQL")) { jdbcTemplate.update("SET FOREIGN_KEY_CHECKS = 1"); } } }
From source file:org.jberet.support.io.JacksonCsvItemReader.java
@Override public Object readItem() throws Exception { if (rowNumber >= end) { return null; }/*from www . j a va 2 s .c o m*/ JsonToken token; final Object readValue; if (!rawAccess) { do { token = csvParser.nextToken(); if (token == null) { return null; } if (token == JsonToken.START_OBJECT) { if (++rowNumber >= start) { break; } } } while (true); readValue = objectMapper.readValue(csvParser, beanType); if (!skipBeanValidation) { ItemReaderWriterBase.validate(readValue); } } else { do { token = csvParser.nextToken(); if (token == null) { return null; } if (token == JsonToken.START_ARRAY) { if (++rowNumber >= start) { break; } } } while (true); readValue = objectMapper.readValue(csvParser, beanType); } return readValue; }
From source file:com.sdl.odata.renderer.json.writer.JsonPropertyWriterTest.java
private Map<String, Object> getMapFromJson(String json) throws IOException { Map<String, Object> map = new HashMap<>(); JsonParser jsonParser = new JsonFactory().createParser(json); jsonParser.nextToken();/*from ww w . java 2s . c om*/ while (jsonParser.nextToken() != null) { String key = jsonParser.getText(); jsonParser.nextToken(); if (jsonParser.getCurrentToken() == JsonToken.START_ARRAY) { map.put(key, getJsonArray(jsonParser)); } else { map.put(key, jsonParser.getText()); } } return map; }