List of usage examples for com.fasterxml.jackson.core JsonGenerator writeStartArray
public abstract void writeStartArray() throws IOException, JsonGenerationException;
From source file:org.fluentd.jvmwatcher.parser.JsonSimpleLogParser.java
/** * @param generator/*from w ww. j av a2s .c o m*/ * @param state * @throws IOException * @throws JsonGenerationException */ private void outSimpleLog(JsonGenerator generator, JvmWatchState state) throws JsonGenerationException, IOException { Collection<JvmStateLog> logArray = state.getStateLog(); // convert to JSON stream of JvmStateLog. for (JvmStateLog elem : logArray) { generator.writeStartObject(); // Common generator.writeNumberField(LOG_DATETIME, elem.getLogDateTime()); generator.writeStringField(HOST_NAME, this.getHostName()); generator.writeStringField(PROC_STATE, elem.getProcState().name()); generator.writeNumberField(JVM_ID, state.getJvmId()); generator.writeStringField(SHORT_NAME, state.getShortName()); generator.writeStringField(DISPRAY_NAME, state.getDisplayName()); // runtime generator.writeNumberField(START_TIME, state.getJvmStartTime()); generator.writeNumberField(LOG_RUN_UP_TIME, elem.getJvmUpTime()); // cpu usage generator.writeNumberField(LOG_CPU_USAGE, elem.getCpuUsage()); // Compilation generator.writeNumberField(LOG_COMPILE_TIME, elem.getCompileTime()); // Class loading generator.writeNumberField(LOG_CLASS_LOAD_CNT, elem.getClassLoadedCount()); generator.writeNumberField(LOG_CLASS_UNLOAD_CNT, elem.getClassUnloadedCount()); generator.writeNumberField(LOG_CLASS_TOTAL_LOAD_CNT, elem.getClassTotalLoadedCount()); // Thread generator.writeNumberField(LOG_THREAD_CNT, elem.getThreadCount()); generator.writeNumberField(LOG_DAEMON_TH_CNT, elem.getDaemonThreadCount()); generator.writeNumberField(LOG_PEAK_TH_CNT, elem.getPeakThreadCount()); // Memory if (elem.getHeapSize() != null) { generator.writeNumberField(LOG_MEM_HEAP_INIT, elem.getHeapSize().getInit()); generator.writeNumberField(LOG_MEM_HEAP_USED, elem.getHeapSize().getUsed()); generator.writeNumberField(LOG_MEM_HEAP_COMMITED, elem.getHeapSize().getCommitted()); generator.writeNumberField(LOG_MEM_HEAP_MAX, elem.getHeapSize().getMax()); } if (elem.getNotheapSize() != null) { generator.writeNumberField(LOG_MEM_NOTHEAP_INIT, elem.getNotheapSize().getInit()); generator.writeNumberField(LOG_MEM_NOTHEAP_USED, elem.getNotheapSize().getUsed()); generator.writeNumberField(LOG_MEM_NOTHEAP_COMMITED, elem.getNotheapSize().getCommitted()); generator.writeNumberField(LOG_MEM_NOTHEAP_MAX, elem.getNotheapSize().getMax()); } generator.writeNumberField(LOG_MEM_PENDING_FIN_CNT, elem.getPendingFinalizationCount_()); // OS Information generator.writeNumberField(LOG_OS_TOTAL_PHY_MEM_SIZE, elem.getTotalPhysicalMemorySize()); generator.writeNumberField(LOG_OS_TOTAL_SWAP_MEM_SIZE, elem.getTotalSwapSpaceSize()); generator.writeNumberField(LOG_OS_FREE_PHY_MEM_SIZE, elem.getFreePhysicalMemorySize()); generator.writeNumberField(LOG_OS_FREE_SWAP_MEM_SIZE, elem.getFreeSwapSpaceSize()); generator.writeNumberField(LOG_OS_COMMIT_VMEM_SIZE, elem.getCommittedVirtualMemorySize()); Collection<GarbageCollectorState> gcColl = elem.getGcStateCollection(); if (null != gcColl) { // GC INformation (Array output) generator.writeFieldName(LOG_KEY_GC_COLLECT); generator.writeStartArray(); for (GarbageCollectorState gcElem : gcColl) { generator.writeStartObject(); generator.writeStringField(LOG_GC_MEM_MGR_NAME, gcElem.getMemoryManagerName()); generator.writeNumberField(LOG_GC_COLLECTION_CNT, gcElem.getCollectionCount()); generator.writeNumberField(LOG_GC_COLLECTION_TIME, gcElem.getCollectionTime()); generator.writeEndObject(); } generator.writeEndArray(); } generator.writeEndObject(); generator.writeRaw("\n"); } }
From source file:de.escalon.hypermedia.spring.de.escalon.hypermedia.spring.jackson.LinkListSerializer.java
private void writePossiblePropertyValues(JsonGenerator jgen, String currentVocab, ActionInputParameter actionInputParameter, Object[] possiblePropertyValues) throws IOException { // Enable the following to list possible values. // Problem: how to express individuals only for certain hydra:options // not all hydra:options should be taken as uris, sometimes they might be just literals // how to make that clear to the client? // maybe we must write them out for options // if (possiblePropertyValues.length > 0) { // jgen.writeArrayFieldStart("hydra:option"); ////from w w w .j a va 2 s.c om // for (Object possibleValue : possiblePropertyValues) { // // TODO: apply "hydra:option" : { "@type": "@vocab"} to context for enums // writeScalarValue(jgen, possibleValue, actionInputParameter.getParameterType()); // } // jgen.writeEndArray(); // } if (actionInputParameter.isArrayOrCollection()) { jgen.writeBooleanField(getPropertyOrClassNameInVocab(currentVocab, "multipleValues", JacksonHydraSerializer.HTTP_SCHEMA_ORG, "schema:"), true); } // valueRequired (hard to say, using @Access on Event is for all update requests - or make // specific request beans for different // purposes rather than always passing an instance of e.g. Event?) // -> update is a different use case than create - or maybe have an @Requires("eventStatus") // annotation alongside requestBody to tell which attributes are required or writable, and use Requires over // bean structure, where ctor with least length of args is required and setters are supported // but optional? The bean structure does say what is writable for updates, but not what is required for creation. Right now setters are supportedProperties. For creation we would have to add constructor arguments as supportedProperties. // (/) defaultValue (pre-filled value, e.g. list of selected items for option) // valueName (for iri templates only) // (/) readonlyValue (true for final public field or absence of setter, send fixed value like hidden field?) -> use hydra:readable, hydra:writable // (/) multipleValues // (/) valueMinLength // (/) valueMaxLength // (/) valuePattern // minValue (DateTime support) // maxValue (DateTime support) // (/) stepValue final Map<String, Object> inputConstraints = actionInputParameter.getInputConstraints(); if (actionInputParameter.hasCallValue()) { if (actionInputParameter.isArrayOrCollection()) { Object[] callValues = actionInputParameter.getCallValues(); Class<?> componentType = callValues.getClass().getComponentType(); // only write defaultValue for array of scalars if (DataType.isScalar(componentType)) { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, "defaultValue", JacksonHydraSerializer.HTTP_SCHEMA_ORG, "schema:")); jgen.writeStartArray(); for (Object callValue : callValues) { writeScalarValue(jgen, callValue, componentType); } jgen.writeEndArray(); } } else { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, "defaultValue", JacksonHydraSerializer.HTTP_SCHEMA_ORG, "schema:")); writeScalarValue(jgen, actionInputParameter.getCallValueFormatted(), actionInputParameter.getNestedParameterType()); } } if (!inputConstraints.isEmpty()) { final List<String> keysToAppendValue = Arrays.asList(ActionInputParameter.MAX, ActionInputParameter.MIN, ActionInputParameter.STEP); for (String keyToAppendValue : keysToAppendValue) { final Object constraint = inputConstraints.get(keyToAppendValue); if (constraint != null) { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, keyToAppendValue + "Value", JacksonHydraSerializer.HTTP_SCHEMA_ORG, "schema:")); jgen.writeNumber(constraint.toString()); } } final List<String> keysToPrependValue = Arrays.asList(ActionInputParameter.MAX_LENGTH, ActionInputParameter.MIN_LENGTH, ActionInputParameter.PATTERN); for (String keyToPrependValue : keysToPrependValue) { final Object constraint = inputConstraints.get(keyToPrependValue); if (constraint != null) { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, "value" + StringUtils.capitalize(keyToPrependValue), JacksonHydraSerializer.HTTP_SCHEMA_ORG, "schema:")); if (ActionInputParameter.PATTERN.equals(keyToPrependValue)) { jgen.writeString(constraint.toString()); } else { jgen.writeNumber(constraint.toString()); } } } } }
From source file:de.escalon.hypermedia.spring.hydra.LinkListSerializer.java
private void writePossiblePropertyValues(JsonGenerator jgen, String currentVocab, ActionInputParameter actionInputParameter, @SuppressWarnings("unused") Object[] possiblePropertyValues) throws IOException { // Enable the following to list possible values. // Problem: how to express individuals only for certain hydra:options // not all hydra:options should be taken as uris, sometimes they might be just literals // how to make that clear to the client? // maybe we must write them out for options // if (possiblePropertyValues.length > 0) { // jgen.writeArrayFieldStart("hydra:option"); //// ww w .j a v a2s . c o m // for (Object possibleValue : possiblePropertyValues) { // // TODO: apply "hydra:option" : { "@type": "@vocab"} to context for enums // writeScalarValue(jgen, possibleValue, rootParameter.getParameterType()); // } // jgen.writeEndArray(); // } if (actionInputParameter.isArrayOrCollection()) { jgen.writeBooleanField(getPropertyOrClassNameInVocab(currentVocab, "multipleValues", LdContextFactory.HTTP_SCHEMA_ORG, "schema:"), true); } // valueRequired (hard to say, using @Access on Event is for all update requests - or make // specific request beans for different // purposes rather than always passing an instance of e.g. Event?) // -> update is a different use case than create - or maybe have an @Requires("eventStatus") // annotation alongside requestBody to tell which attributes are required or writable, and use // Requires over // bean structure, where ctor with least length of args is required and setters are supported // but optional? The bean structure does say what is writable for updates, but not what is required // for creation. Right now setters are supportedProperties. For creation we would have to add constructor // arguments as supportedProperties. // (/) defaultValue (pre-filled value, e.g. list of selected items for option) // valueName (for iri templates only) // (/) readonlyValue (true for final public field or absence of setter, send fixed value like hidden field?) // -> use hydra:readable, hydra:writable // (/) multipleValues // (/) valueMinLength // (/) valueMaxLength // (/) valuePattern // minValue (DateTime support) // maxValue (DateTime support) // (/) stepValue final Map<String, Object> inputConstraints = actionInputParameter.getInputConstraints(); if (actionInputParameter.hasValue()) { if (actionInputParameter.isArrayOrCollection()) { Object[] callValues = actionInputParameter.getValues(); Class<?> componentType = callValues.getClass().getComponentType(); // only write defaultValue for array of scalars if (DataType.isSingleValueType(componentType)) { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, "defaultValue", LdContextFactory.HTTP_SCHEMA_ORG, "schema:")); jgen.writeStartArray(); for (Object callValue : callValues) { writeScalarValue(jgen, callValue, componentType); } jgen.writeEndArray(); } } else { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, "defaultValue", LdContextFactory.HTTP_SCHEMA_ORG, "schema:")); writeScalarValue(jgen, actionInputParameter.getValue(), actionInputParameter.getParameterType()); } } if (!inputConstraints.isEmpty()) { final List<String> keysToAppendValue = Arrays.asList(Input.MAX, Input.MIN, Input.STEP); for (String keyToAppendValue : keysToAppendValue) { final Object constraint = inputConstraints.get(keyToAppendValue); if (constraint != null) { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, keyToAppendValue + "Value", LdContextFactory.HTTP_SCHEMA_ORG, "schema:")); jgen.writeNumber(constraint.toString()); } } final List<String> keysToPrependValue = Arrays.asList(Input.MAX_LENGTH, Input.MIN_LENGTH, Input.PATTERN); for (String keyToPrependValue : keysToPrependValue) { final Object constraint = inputConstraints.get(keyToPrependValue); if (constraint != null) { jgen.writeFieldName(getPropertyOrClassNameInVocab(currentVocab, "value" + StringUtils.capitalize(keyToPrependValue), LdContextFactory.HTTP_SCHEMA_ORG, "schema:")); if (Input.PATTERN.equals(keyToPrependValue)) { jgen.writeString(constraint.toString()); } else { jgen.writeNumber(constraint.toString()); } } } } }