public Geometry decodeGeometry(JsonNode node) throws GeoJSONException {
if (node == null || node.isNull() || node.isMissingNode()) {
return null;
} else {
return decodeGeometry(node, DEFAULT_GEOMETRY_FACTORY);
}
}
List<FolderServerGroup> findGroups() {
List<FolderServerGroup> groupList = new ArrayList<>();
String cypher = CypherQueryBuilder.findGroups();
CypherQuery q = new CypherQueryLiteral(cypher);
JsonNode jsonNode = executeCypherQueryAndCommit(q);
JsonNode userListJsonNode = jsonNode.at("/results/0/data");
if (userListJsonNode != null && !userListJsonNode.isMissingNode()) {
userListJsonNode.forEach(
f -> {
JsonNode groupNode = f.at("/row/0");
if (groupNode != null && !groupNode.isMissingNode()) {
FolderServerGroup cg = buildGroup(groupNode);
groupList.add(cg);
}
});
}
return groupList;
}
private ObjectNode getNodeByFieldName(ArrayNode nodes, String fieldName) {
if (fieldName.length() == 0) return null;
for (JsonNode output : nodes) {
JsonNode node = output.path(fieldName);
if (!node.isMissingNode()) {
return (ObjectNode) output.path(fieldName);
}
}
return null;
}
protected boolean isEqualToCurrentLocalizationValue(
String language, String id, String propertyName, String propertyValue, ObjectNode infoNode) {
boolean isEqual = false;
JsonNode localizationNode =
infoNode.path("localization").path(language).path(id).path(propertyName);
if (localizationNode.isMissingNode() == false
&& localizationNode.isNull() == false
&& localizationNode.asText().equals(propertyValue)) {
isEqual = true;
}
return isEqual;
}
@Override
public void receiveLoop() {
log.debug("receiveLoop starts");
ObjectReader reader = this.mapper.reader();
while (true) {
try {
JsonNode root = reader.readTree(this.istream);
String type = root.path(TYPE).asText();
JsonNode data = root.path(DATA);
log.debug("Processing {} with {}", type, data);
if (type.equals(GOODBYE)) {
log.info("Connection closing from server.");
break;
} else if (type.equals(HELLO)) {
this.receiveHello(data);
} else if (type.equals(LOCALE)) {
this.receiveHello(data);
} else if (type.equals(PONG)) {
// silently ignore
} else if (!data.isMissingNode() || (root.isArray() && ((ArrayNode) root).size() > 0)) {
// process replies with a data node or non-empty arrays
JsonClientReply reply = new JsonClientReply(root);
Runnable r = new RcvNotifier(reply, mLastSender, this);
try {
SwingUtilities.invokeAndWait(r);
} catch (InterruptedException e) {
log.error("Exception notifying listeners of reply: {}", e.getMessage(), e);
} catch (InvocationTargetException e) {
log.error("Exception notifying listeners of reply: {}", e.getMessage(), e);
}
}
} catch (IOException e) {
this.rcvException = true;
reportReceiveLoopException(e);
break;
} catch (NoSuchElementException nse) {
// we get an NSE when we are finished with this client
// so break out of the loop
break;
}
}
ConnectionStatus.instance()
.setConnectionState(this.controller.getCurrentPortName(), ConnectionStatus.CONNECTION_DOWN);
log.error("Exit from rcv loop");
this.recovery();
}
private StationMeasurements parseMeasurements(Station station, JsonNode data) {
StationMeasurements.Builder builder = new StationMeasurements.Builder(station);
// current measurement
JsonNode currentMeasurement = data.path("currentMeasurement");
if (!currentMeasurement.isMissingNode()) {
builder.setLevel(
new Measurement(
(float) currentMeasurement.path("value").asDouble(),
currentMeasurement.path("unit").asText()));
builder.setLevelTimestamp(
PegelOnlineUtils.parseStringTimestamp(currentMeasurement.path("timestamp").asText()));
}
// characteristic values
for (JsonNode charValue : currentMeasurement.path("characteristicValues")) {
Measurement measurement =
new Measurement(
(float) charValue.path("value").asDouble(), charValue.path("unit").asText());
String charType = charValue.path("shortname").asText();
if ("MNW".equalsIgnoreCase(charType)) {
builder.setMnw(measurement);
} else if ("MW".equalsIgnoreCase(charType)) {
builder.setMw(measurement);
} else if ("MHW".equalsIgnoreCase(charType)) {
builder.setMhw(measurement);
} else if ("HThw".equalsIgnoreCase(charType)) {
builder.setHthw(measurement);
} else if ("NTnw".equalsIgnoreCase(charType)) {
builder.setNtnw(measurement);
} else if ("MTnw".equalsIgnoreCase(charType)) {
builder.setMtnw(measurement);
} else if ("MThw".equalsIgnoreCase(charType)) {
builder.setMthw(measurement);
}
}
return builder.build();
}
private boolean isNull(JsonNode node) {
return node == null || node.isNull() || node.isMissingNode();
}
public boolean isDeleted() {
JsonNode deleted = node.findPath(DELETED_FIELD_NAME);
return !deleted.isMissingNode() && deleted.booleanValue();
}
/**
* Process a JSON node and handle appropriately.
*
* <p>See {@link #onMessage(java.lang.String) } for expected JSON objects.
*
* @see #onMessage(java.lang.String)
* @param root
* @throws IOException
*/
public void onMessage(JsonNode root) throws IOException {
try {
String type = root.path(TYPE).asText();
if (root.path(TYPE).isMissingNode() && root.path(LIST).isValueNode()) {
type = LIST;
}
JsonNode data = root.path(DATA);
if (data.path(METHOD).isMissingNode() && root.path(METHOD).isValueNode()) {
((ObjectNode) data).put(METHOD, root.path(METHOD).asText());
}
log.debug("Processing {} with {}", type, data);
if (type.equals(PING)) {
this.connection.sendMessage(
this.connection.getObjectMapper().createObjectNode().put(TYPE, PONG));
} else if (type.equals(GOODBYE)) {
this.connection.sendMessage(
this.connection.getObjectMapper().createObjectNode().put(TYPE, GOODBYE));
this.connection.close();
} else if (type.equals(HELLO)) {
this.receiveHello(data);
this.sendHello(JsonServerPreferences.getDefault().getHeartbeatInterval());
} else if (type.equals(LOCALE)) {
this.receiveHello(data);
} else if (type.equals(LIST)) {
JsonNode reply;
String list = root.path(LIST).asText();
switch (list) {
case CARS:
reply = JsonUtil.getCars(this.connection.getLocale());
break;
case CONSISTS:
reply = JsonUtil.getConsists(this.connection.getLocale());
break;
case ENGINES:
reply = JsonUtil.getEngines(this.connection.getLocale());
break;
case LIGHTS:
reply = JsonUtil.getLights(this.connection.getLocale());
break;
case LOCATIONS:
reply = JsonUtil.getLocations(this.connection.getLocale());
break;
case METADATA:
reply = JsonUtil.getMetadata(this.connection.getLocale());
break;
case PANELS:
reply =
JsonUtil.getPanels(
this.connection.getLocale(),
(data.path(FORMAT).isMissingNode()) ? XML : data.path(FORMAT).asText());
break;
case REPORTERS:
reply = JsonUtil.getReporters(this.connection.getLocale());
break;
case SENSORS:
reply = JsonUtil.getSensors(this.connection.getLocale());
break;
case SIGNAL_HEADS:
reply = JsonUtil.getSignalHeads(this.connection.getLocale());
break;
case SIGNAL_MASTS:
reply = JsonUtil.getSignalMasts(this.connection.getLocale());
break;
case TRAINS:
reply = JsonUtil.getTrains(this.connection.getLocale());
break;
case NETWORK_SERVICES:
reply = JsonUtil.getNetworkServices(this.connection.getLocale());
break;
case SYSTEM_CONNECTIONS:
reply = JsonUtil.getSystemConnections(this.connection.getLocale());
break;
default:
if (this.services.get(list) != null) {
for (JsonSocketService service : this.services.get(list)) {
service.onList(list, data, this.connection.getLocale());
}
return;
} else {
this.sendErrorMessage(
404, Bundle.getMessage(this.connection.getLocale(), "ErrorUnknownType", list));
return;
}
}
this.connection.sendMessage(this.connection.getObjectMapper().writeValueAsString(reply));
} else if (!data.isMissingNode()) {
switch (type) {
case CONSIST:
this.consistServer.parseRequest(this.connection.getLocale(), data);
break;
case METADATA:
this.connection.sendMessage(
JsonUtil.getMetadata(this.connection.getLocale(), data.path(NAME).asText()));
break;
case PROGRAMMER:
this.programmerServer.parseRequest(this.connection.getLocale(), data);
break;
case SENSOR:
this.sensorServer.parseRequest(this.connection.getLocale(), data);
break;
case SIGNAL_HEAD:
this.signalHeadServer.parseRequest(this.connection.getLocale(), data);
break;
case SIGNAL_MAST:
this.signalMastServer.parseRequest(this.connection.getLocale(), data);
break;
case REPORTER:
this.reporterServer.parseRequest(this.connection.getLocale(), data);
break;
case THROTTLE:
this.throttleServer.parseRequest(this.connection.getLocale(), data);
break;
case TRAIN:
this.operationsServer.parseTrainRequest(this.connection.getLocale(), data);
break;
default:
if (this.services.get(type) != null) {
for (JsonSocketService service : this.services.get(type)) {
service.onMessage(type, data, this.connection.getLocale());
}
} else {
this.sendErrorMessage(
404, Bundle.getMessage(this.connection.getLocale(), "ErrorUnknownType", type));
}
break;
}
} else {
this.sendErrorMessage(
400, Bundle.getMessage(this.connection.getLocale(), "ErrorMissingData"));
}
} catch (JmriException je) {
this.sendErrorMessage(
500,
Bundle.getMessage(
this.connection.getLocale(), "ErrorUnsupportedOperation", je.getLocalizedMessage()));
} catch (JsonException je) {
this.sendErrorMessage(je);
}
}
private Float parseFloat(JsonNode value) {
if (value.isMissingNode()) return null;
return (float) value.asDouble();
}
/** Adds a variable to the current scope. */
private void addVariable(String name) {
JsonNode node = currentNode.path(name);
if (node.isMissingNode()) {
currentNode.put(name, NullNode.getInstance());
}
}
List<FolderServerUser> findGroupMembers(String groupURL) {
List<FolderServerUser> memberList = new ArrayList<>();
String cypher = CypherQueryBuilder.getGroupUsersWithRelation(RelationLabel.MEMBEROF);
Map<String, Object> params = CypherParamBuilder.matchGroupId(groupURL);
CypherQuery q = new CypherQueryWithParameters(cypher, params);
JsonNode jsonNode = executeCypherQueryAndCommit(q);
JsonNode userListJsonNode = jsonNode.at("/results/0/data");
if (userListJsonNode != null && !userListJsonNode.isMissingNode()) {
userListJsonNode.forEach(
f -> {
JsonNode userNode = f.at("/row/0");
if (userNode != null && !userNode.isMissingNode()) {
FolderServerUser u = buildUser(userNode);
memberList.add(u);
}
});
}
return memberList;
}
