List of usage examples for com.fasterxml.jackson.core JsonParser readValueAs
@SuppressWarnings("unchecked") public <T> T readValueAs(TypeReference<?> valueTypeRef) throws IOException, JsonProcessingException
From source file:com.unboundid.scim2.client.requests.SearchRequestBuilder.java
/** * Invoke the SCIM retrieve request./*from w w w. j a v a 2 s . com*/ * * @param post {@code true} to send the request using POST or {@code false} * to send the request using GET. * @param <T> The type of objects to return. * @param resultHandler The search result handler that should be used to * process the resources. * @param cls The Java class object used to determine the type to return. * @throws ScimException If an error occurred. */ private <T> void invoke(final boolean post, final SearchResultHandler<T> resultHandler, final Class<T> cls) throws ScimException { Response response; if (post) { Set<String> attributeSet = null; Set<String> excludedAttributeSet = null; if (attributes != null && attributes.size() > 0) { if (!excluded) { attributeSet = attributes; } else { excludedAttributeSet = attributes; } } SearchRequest searchRequest = new SearchRequest(attributeSet, excludedAttributeSet, filter, sortBy, sortOrder, startIndex, count); Invocation.Builder builder = target().path(ApiConstants.SEARCH_WITH_POST_PATH_EXTENSION) .request(ScimService.MEDIA_TYPE_SCIM_TYPE, MediaType.APPLICATION_JSON_TYPE); for (Map.Entry<String, List<Object>> header : headers.entrySet()) { builder = builder.header(header.getKey(), StaticUtils.listToString(header.getValue(), ", ")); } response = builder.post(Entity.entity(searchRequest, getContentType())); } else { response = buildRequest().get(); } try { if (response.getStatusInfo().getFamily() == Response.Status.Family.SUCCESSFUL) { InputStream inputStream = response.readEntity(InputStream.class); try { JsonParser parser = JsonUtils.getObjectReader().getFactory().createParser(inputStream); try { parser.nextToken(); boolean stop = false; while (!stop && parser.nextToken() != JsonToken.END_OBJECT) { String field = parser.getCurrentName(); parser.nextToken(); if (field.equals("schemas")) { parser.skipChildren(); } else if (field.equals("totalResults")) { resultHandler.totalResults(parser.getIntValue()); } else if (field.equals("startIndex")) { resultHandler.startIndex(parser.getIntValue()); } else if (field.equals("itemsPerPage")) { resultHandler.itemsPerPage(parser.getIntValue()); } else if (field.equals("Resources")) { while (parser.nextToken() != JsonToken.END_ARRAY) { if (!resultHandler.resource(parser.readValueAs(cls))) { stop = true; break; } } } else if (SchemaUtils.isUrn(field)) { resultHandler.extension(field, parser.<ObjectNode>readValueAsTree()); } else { // Just skip this field parser.nextToken(); } } } finally { if (inputStream != null) { inputStream.close(); } parser.close(); } } catch (IOException e) { throw new ResponseProcessingException(response, e); } } else { throw toScimException(response); } } finally { response.close(); } }
From source file:org.springframework.security.oauth2.common.OAuth2AccessTokenJackson2Deserializer.java
@Override public OAuth2AccessToken deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException { String tokenValue = null;/*from w w w. j av a 2 s .co m*/ String tokenType = null; String refreshToken = null; Long expiresIn = null; Set<String> scope = null; Map<String, Object> additionalInformation = new LinkedHashMap<String, Object>(); // TODO What should occur if a parameter exists twice while (jp.nextToken() != JsonToken.END_OBJECT) { String name = jp.getCurrentName(); jp.nextToken(); if (OAuth2AccessToken.ACCESS_TOKEN.equals(name)) { tokenValue = jp.getText(); } else if (OAuth2AccessToken.TOKEN_TYPE.equals(name)) { tokenType = jp.getText(); } else if (OAuth2AccessToken.REFRESH_TOKEN.equals(name)) { refreshToken = jp.getText(); } else if (OAuth2AccessToken.EXPIRES_IN.equals(name)) { try { expiresIn = jp.getLongValue(); } catch (JsonParseException e) { expiresIn = Long.valueOf(jp.getText()); } } else if (OAuth2AccessToken.SCOPE.equals(name)) { String text = jp.getText(); scope = OAuth2Utils.parseParameterList(text); } else { additionalInformation.put(name, jp.readValueAs(Object.class)); } } // TODO What should occur if a required parameter (tokenValue or tokenType) is missing? DefaultOAuth2AccessToken accessToken = new DefaultOAuth2AccessToken(tokenValue); accessToken.setTokenType(tokenType); if (expiresIn != null) { accessToken.setExpiration(new Date(System.currentTimeMillis() + (expiresIn * 1000))); } if (refreshToken != null) { accessToken.setRefreshToken(new DefaultOAuth2RefreshToken(refreshToken)); } accessToken.setScope(scope); accessToken.setAdditionalInformation(additionalInformation); return accessToken; }
From source file:com.basistech.rosette.dm.jackson.array.ListAttributeArrayDeserializer.java
@Override @SuppressWarnings("unchecked") public ListAttribute deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException { if (jp.getCurrentToken() == JsonToken.START_ARRAY) { // this is what we expect. // we advance to be in the same place the 'else' will be -- the first FIELD_NAME. jp.nextToken();/*from www . j a v a 2s . c o m*/ } else { throw ctxt.wrongTokenException(jp, JsonToken.START_ARRAY, "ListAttributeDeserializer called not array start."); } if (jp.getCurrentToken() != JsonToken.VALUE_STRING) { throw ctxt.mappingException("Expected VALUE_STRING for item type."); } String itemTypeKeyName = jp.getText(); KnownAttribute attribute = KnownAttribute.getAttributeForKey(itemTypeKeyName); if (attribute == null) { attribute = KnownAttribute.UNKNOWN; } Class<? extends BaseAttribute> itemClass = attribute.attributeClass(); ListAttribute.Builder<BaseAttribute> builder = new ListAttribute.Builder<>(attribute.attributeClass()); List<BaseAttribute> items = Lists.newArrayList(); if (jp.nextToken() != JsonToken.START_ARRAY) { throw ctxt.wrongTokenException(jp, JsonToken.START_ARRAY, "No array of values for list."); } // we just read the elements as we see them, while (jp.nextToken() != JsonToken.END_ARRAY) { // the START_ARRAY case, which is _normal_. Read the elements. items.add(jp.readValueAs(itemClass)); } builder.setItems(items); // we are still in the top-level array ... if (jp.nextToken() != JsonToken.START_OBJECT) { throw ctxt.wrongTokenException(jp, JsonToken.START_OBJECT, "No extended properties for list."); } Map<String, Object> props = jp.readValueAs(new TypeReference<Map<String, Object>>() { }); for (Map.Entry<String, Object> me : props.entrySet()) { builder.extendedProperty(me.getKey(), me.getValue()); } jp.nextToken(); // consume the END_OBJECT of the extended props return builder.build(); }
From source file:com.zenesis.qx.remote.RequestHandler.java
/** * Reads an array from JSON, where each value is of the class clazz. Note that while the result * is an array, you cannot assume that it is an array of Object, or use generics because generics * are always Objects - this is because arrays of primitive types are not arrays of Objects * @param jp//from w w w. j a va 2 s . c om * @param clazz * @return * @throws IOException */ private Map readMap(JsonParser jp, Class keyClazz, Class clazz) throws IOException { if (jp.getCurrentToken() == JsonToken.VALUE_NULL) return null; boolean isProxyClass = Proxied.class.isAssignableFrom(clazz); if (keyClazz == null) keyClazz = String.class; HashMap result = new HashMap(); for (; jp.nextToken() != JsonToken.END_OBJECT;) { Object key = readSimpleValue(jp, keyClazz); jp.nextToken(); if (isProxyClass) { Integer id = jp.readValueAs(Integer.class); if (id != null) { Proxied obj = getProxied(id); if (!clazz.isInstance(obj)) throw new ClassCastException( "Cannot cast " + obj + " class " + obj.getClass() + " to " + clazz); result.put(key, obj); } else result.put(key, null); } else { Object obj = readSimpleValue(jp, clazz); result.put(key, obj); } } return result; }
From source file:no.ssb.jsonstat.v2.deser.DatasetDeserializer.java
@Override public DatasetBuildable deserialize(JsonParser p, DeserializationContext ctxt) throws IOException { if (p.getCurrentToken() == JsonToken.START_OBJECT) { p.nextToken();//from w w w. ja v a 2s . c o m } Set<String> ids = Collections.emptySet(); List<Integer> sizes = Collections.emptyList(); Multimap<String, String> roles = ArrayListMultimap.create(); Map<String, Dimension.Builder> dims = Collections.emptyMap(); List<Number> values = Collections.emptyList(); DatasetBuilder builder = Dataset.create(); Optional<String> version = Optional.empty(); Optional<String> clazz = Optional.empty(); Optional<ObjectNode> extension = Optional.empty(); while (p.nextValue() != JsonToken.END_OBJECT) { switch (p.getCurrentName()) { case "label": builder.withLabel(_parseString(p, ctxt)); break; case "source": builder.withSource(_parseString(p, ctxt)); break; case "href": break; case "updated": Instant updated = parseEcmaDate(_parseString(p, ctxt)); builder.updatedAt(updated); break; case "value": values = parseValues(p, ctxt); break; case "dimension": if (!version.orElse("1.x").equals("2.0")) { dims = Maps.newHashMap(); // Deal with the id, size and role inside dimension. while (p.nextValue() != JsonToken.END_OBJECT) { switch (p.getCurrentName()) { case "id": ids = p.readValueAs(ID_SET); break; case "size": sizes = p.readValueAs(SIZE_LIST); break; case "role": roles = p.readValueAs(ROLE_MULTIMAP); break; default: dims.put(p.getCurrentName(), ctxt.readValue(p, Dimension.Builder.class)); } } } else { dims = p.readValueAs(DIMENSION_MAP); } break; case "id": ids = p.readValueAs(ID_SET); break; case "size": sizes = p.readValueAs(SIZE_LIST); break; case "role": roles = p.readValueAs(ROLE_MULTIMAP); break; case "extension": extension = Optional.of(ctxt.readValue(p, ObjectNode.class)); break; case "link": case "status": // TODO p.skipChildren(); break; case "version": version = Optional.of(_parseString(p, ctxt)); break; case "class": // TODO clazz = Optional.of(_parseString(p, ctxt)); break; default: boolean handled = ctxt.handleUnknownProperty(p, this, Dimension.Builder.class, p.getCurrentName()); if (!handled) p.skipChildren(); break; } } // Setup roles for (Map.Entry<String, String> dimRole : roles.entries()) { Dimension.Roles role = Dimension.Roles.valueOf(dimRole.getKey().toUpperCase()); Dimension.Builder dimension = checkNotNull(dims.get(dimRole.getValue()), "could not assign the role {} to the dimension {}. The dimension did not exist", role, dimRole.getValue() ); dimension.withRole(role); } List<Dimension.Builder> orderedDimensions = Lists.newArrayList(); for (String dimensionName : ids) { orderedDimensions.add(dims.get(dimensionName)); } // TODO: Check size? // Check ids and add to the data set. checkArgument(ids.size() == dims.size(), "dimension and size did not match"); if (extension.isPresent()) { builder.withExtension(extension.get()); } return builder.withDimensions(orderedDimensions).withValues(values); }
From source file:com.zenesis.qx.remote.RequestHandler.java
/** * Handles setting a server object property from the client; expects a serverId, propertyName, and a value * @param jp// ww w. j av a 2s .co m * @throws ServletException * @throws IOException */ protected void cmdSetProperty(JsonParser jp) throws ServletException, IOException { // Get the basics int serverId = getFieldValue(jp, "serverId", Integer.class); String propertyName = getFieldValue(jp, "propertyName", String.class); Object value = null; Proxied serverObject = getProxied(serverId); ProxyType type = ProxyTypeManager.INSTANCE.getProxyType(serverObject.getClass()); ProxyProperty prop = getProperty(type, propertyName); skipFieldName(jp, "value"); MetaClass propClass = prop.getPropertyClass(); if (propClass.isSubclassOf(Proxied.class)) { if (propClass.isArray() || propClass.isCollection()) { value = readArray(jp, propClass.getJavaType()); } else if (propClass.isMap()) { value = readMap(jp, propClass.getKeyClass(), propClass.getJavaType()); } else { Integer id = jp.readValueAs(Integer.class); if (id != null) value = getProxied(id); } } else { if (propClass.isArray() || propClass.isCollection()) { value = readArray(jp, propClass.getJavaType()); } else if (propClass.isMap()) { value = readMap(jp, propClass.getKeyClass(), propClass.getJavaType()); } else { value = jp.readValueAs(Object.class); if (value != null && Enum.class.isAssignableFrom(propClass.getJavaType())) { String str = Helpers.camelCaseToEnum(value.toString()); value = Enum.valueOf(propClass.getJavaType(), str); } } } setPropertyValue(type, serverObject, propertyName, value); jp.nextToken(); }
From source file:com.zenesis.qx.remote.RequestHandler.java
/** * Reads an array from JSON, where each value is of the listed in types; EG the first element * is class type[0], the second element is class type[1] etc * @param jp// w w w. j a va2 s.co m * @param types * @return * @throws IOException */ private Object[] readArray(JsonParser jp, Class[] types) throws IOException { if (jp.getCurrentToken() == JsonToken.VALUE_NULL) return null; ArrayList result = new ArrayList(); for (int paramIndex = 0; jp.nextToken() != JsonToken.END_ARRAY; paramIndex++) { Class type = null; if (types != null && paramIndex < types.length) type = types[paramIndex]; if (type != null && type.isArray()) { if (jp.getCurrentToken() == JsonToken.VALUE_NULL) result.add(null); else if (jp.getCurrentToken() == JsonToken.START_ARRAY) { Object obj = readArray(jp, type.getComponentType()); result.add(obj); } else throw new IllegalStateException("Expected array but found " + jp.getCurrentToken()); } else if (type != null && Proxied.class.isAssignableFrom(type)) { Integer id = jp.readValueAs(Integer.class); if (id != null) { Proxied obj = getProxied(id); result.add(obj); } else result.add(null); } else if (type != null && Enum.class.isAssignableFrom(type)) { Object obj = jp.readValueAs(Object.class); if (obj != null) { String str = Helpers.camelCaseToEnum(obj.toString()); obj = Enum.valueOf(type, str); result.add(obj); } } else { Object obj = jp.readValueAs(type != null ? type : Object.class); result.add(obj); } } return result.toArray(new Object[result.size()]); }
From source file:com.basistech.rosette.dm.jackson.ListAttributeDeserializer.java
@SuppressWarnings("unchecked") private ListAttribute deserialize(JsonParser jp, DeserializationContext ctxt, TokenBuffer tb) throws IOException { jp.nextToken();//from w w w . ja v a2s . co m String keyName = jp.getText(); if (tb != null) { // need to put back skipped properties? jp = JsonParserSequence.createFlattened(tb.asParser(jp), jp); } // Must point to the next value; tb had no current, jp pointed to VALUE_STRING: KnownAttribute attribute = KnownAttribute.getAttributeForKey(keyName); if (attribute == null) { attribute = KnownAttribute.UNKNOWN; } Class<? extends BaseAttribute> itemClass = attribute.attributeClass(); ListAttribute.Builder<BaseAttribute> builder = new ListAttribute.Builder<>(attribute.attributeClass()); List<BaseAttribute> items = Lists.newArrayList(); JsonToken nextToken; while ((nextToken = jp.nextToken()) != JsonToken.END_OBJECT) { if (nextToken != JsonToken.FIELD_NAME) { throw ctxt.wrongTokenException(jp, JsonToken.END_OBJECT, "Expected field name."); } else { String name = jp.getCurrentName(); if ("items".equals(name)) { // the actual list items. nextToken = jp.nextToken(); if (nextToken == JsonToken.VALUE_EMBEDDED_OBJECT) { Object o = jp.getEmbeddedObject(); if (o instanceof List) { // could it be an array, also?!? // when using JsonTree, sometimes Jackson just sticks the entire Java object in here. items.addAll((List) o); } else { throw ctxt.mappingException( "List contains VALUE_EMBEDDED_OBJECT for items, but it wasn't a list."); } } else if (nextToken != JsonToken.START_ARRAY) { // what about nothing? throw ctxt.wrongTokenException(jp, JsonToken.START_ARRAY, "Expected array of items"); } else { // the START_ARRAY case, which is _normal_. Read the elements. while (jp.nextToken() != JsonToken.END_ARRAY) { items.add(jp.readValueAs(itemClass)); } } } else { nextToken = jp.nextToken(); Object value; if (nextToken == JsonToken.VALUE_EMBEDDED_OBJECT) { value = jp.getEmbeddedObject(); } else { value = jp.readValueAs(Object.class); } builder.extendedProperty(name, value); } } } builder.setItems(items); return builder.build(); }
From source file:tachyon.master.MasterInfo.java
/** * Load the image from <code>parser</code>, which is created based on the <code>path</code>. * Assume this blocks the whole MasterInfo. * * @param parser the JsonParser to load the image * @param path the file to load the image * @throws IOException/* w w w .j av a 2 s .c o m*/ */ public void loadImage(JsonParser parser, TachyonURI path) throws IOException { while (true) { ImageElement ele; try { ele = parser.readValueAs(ImageElement.class); LOG.debug("Read Element: {}", ele); } catch (IOException e) { // Unfortunately brittle, but Jackson rethrows EOF with this message. if (e.getMessage().contains("end-of-input")) { break; } else { throw e; } } switch (ele.mType) { case Version: { if (ele.getInt("version") != Constants.JOURNAL_VERSION) { throw new IOException("Image " + path + " has journal version " + ele.getInt("version") + ". The system has version " + Constants.JOURNAL_VERSION); } break; } case Checkpoint: { mInodeCounter.set(ele.getInt("inodeCounter")); mCheckpointInfo.updateEditTransactionCounter(ele.getLong("editTransactionCounter")); mCheckpointInfo.updateDependencyCounter(ele.getInt("dependencyCounter")); break; } case Dependency: { Dependency dep = Dependency.loadImage(ele, mTachyonConf); mFileIdToDependency.put(dep.mId, dep); if (!dep.hasCheckpointed()) { mUncheckpointedDependencies.add(dep.mId); } for (int parentDependencyId : dep.mParentDependencies) { mFileIdToDependency.get(parentDependencyId).addChildrenDependency(dep.mId); } break; } case InodeFile: { // This element should not be loaded here. It should be loaded by InodeFolder. throw new IOException("Invalid element type " + ele); } case InodeFolder: { Inode inode = InodeFolder.loadImage(parser, ele); addToInodeMap(inode, mFileIdToInodes); recomputePinnedFiles(inode, Optional.<Boolean>absent()); if (inode.getId() != 1) { throw new IOException("Invalid element type " + ele); } mRoot = (InodeFolder) inode; break; } case RawTable: { mRawTables.loadImage(ele); break; } default: throw new IOException("Invalid element type " + ele); } } }
From source file:org.instagram4j.DefaultInstagramClient.java
private <T> Result<T> requestEntity(HttpRequestBase method, Class<T> type, boolean signableRequest) throws InstagramException { method.getParams().setParameter("http.useragent", "Instagram4j/1.0"); JsonParser jp = null; HttpResponse response = null;/*from w ww . j a va 2s .c o m*/ ResultMeta meta = null; try { method.getParams().setParameter(CoreProtocolPNames.HTTP_CONTENT_CHARSET, "UTF-8"); if (signableRequest) setEnforceHeader(method); HttpClient client = new DefaultHttpClient(); client.getParams().setParameter(AllClientPNames.CONNECTION_TIMEOUT, 15000); client.getParams().setParameter(AllClientPNames.SO_TIMEOUT, 30000); if (LOG.isDebugEnabled()) LOG.debug(String.format("Requesting entity entry point %s, method %s", method.getURI().toString(), method.getMethod())); autoThrottle(); response = client.execute(method); jp = createParser(response, method); JsonToken tok = jp.nextToken(); if (tok != JsonToken.START_OBJECT) { if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) throw createInstagramException("Instagram request failed", method.getURI().toString(), response, null, null); throw createInstagramException("Invalid response format from Instagram API", method.getURI().toString(), response, null, null); } T data = null; while (true) { tok = jp.nextValue(); if (tok == JsonToken.START_ARRAY) { throw createInstagramException("Unexpected array in entity response " + jp.getCurrentName(), method.getURI().toString(), response, meta, null); } else if (tok == JsonToken.START_OBJECT) { // Should be "data" or "meta" String name = jp.getCurrentName(); if ("meta".equals(name)) meta = jp.readValueAs(ResultMeta.class); else if ("data".equals(name)) { if (type != null) data = jp.readValueAs(type); else jp.readValueAs(Map.class); // Consume & ignore } else throw createInstagramException("Unexpected field name " + name, method.getURI().toString(), response, meta, null); } else break; } if (data == null && meta == null && response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) throw createInstagramException("Instagram request failed", method.getURI().toString(), response, null, null); Result<T> result = new Result<T>(null, meta, data); setRateLimits(response, result); return result; } catch (JsonParseException e) { throw createInstagramException("Error parsing response from Instagram: " + e.getMessage(), method.getURI().toString(), response, meta, e); } catch (JsonProcessingException e) { throw createInstagramException("Error parsing response from Instagram: " + e.getMessage(), method.getURI().toString(), response, meta, e); } catch (IOException e) { throw createInstagramException("Error communicating with Instagram: " + e.getMessage(), method.getURI().toString(), response, meta, e); } finally { if (jp != null) try { jp.close(); } catch (IOException e) { } method.releaseConnection(); } }