forked from usdot-jpo-ode/jpo-cvmanager
-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Added decoder logic for various message types
- Loading branch information
1 parent
b152bbf
commit 75dcd01
Showing
18 changed files
with
1,090 additions
and
403 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
125 changes: 125 additions & 0 deletions
125
jpo-conflictvisualizer-api/src/main/java/us/dot/its/jpo/ode/api/asn1/BsmDecoder.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| package us.dot.its.jpo.ode.api.asn1; | ||
|
|
||
| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.node.ObjectNode; | ||
| import us.dot.its.jpo.ode.api.models.messages.BsmDecodedMessage; | ||
| import us.dot.its.jpo.ode.api.models.messages.DecodedMessage; | ||
| import us.dot.its.jpo.ode.api.models.messages.EncodedMessage; | ||
| import us.dot.its.jpo.ode.context.AppContext; | ||
| import us.dot.its.jpo.ode.model.Asn1Encoding; | ||
| import us.dot.its.jpo.ode.model.Asn1Encoding.EncodingRule; | ||
| import us.dot.its.jpo.ode.model.OdeAsn1Data; | ||
| import us.dot.its.jpo.ode.model.OdeAsn1Payload; | ||
| import us.dot.its.jpo.ode.model.OdeBsmData; | ||
| import us.dot.its.jpo.ode.model.OdeBsmMetadata; | ||
| import us.dot.its.jpo.ode.model.OdeBsmMetadata.BsmSource; | ||
| import us.dot.its.jpo.ode.model.OdeBsmPayload; | ||
| import us.dot.its.jpo.ode.model.OdeData; | ||
| import us.dot.its.jpo.ode.model.OdeHexByteArray; | ||
| import us.dot.its.jpo.ode.model.OdeLogMetadata.RecordType; | ||
| import us.dot.its.jpo.ode.model.OdeLogMetadata.SecurityResultCode; | ||
| import us.dot.its.jpo.ode.model.OdeLogMsgMetadataLocation; | ||
| import us.dot.its.jpo.ode.model.OdeMsgPayload; | ||
| import us.dot.its.jpo.ode.model.ReceivedMessageDetails; | ||
| import us.dot.its.jpo.ode.model.RxSource; | ||
| import us.dot.its.jpo.ode.plugin.j2735.builders.BsmBuilder; | ||
| import us.dot.its.jpo.ode.util.JsonUtils; | ||
| import us.dot.its.jpo.ode.util.XmlUtils; | ||
| import us.dot.its.jpo.ode.util.XmlUtils.XmlUtilsException; | ||
|
|
||
| public class BsmDecoder implements Decoder { | ||
|
|
||
|
|
||
| @Override | ||
| public DecodedMessage decode(EncodedMessage message) { | ||
|
|
||
| // Convert to Ode Data type and Add Metadata | ||
| OdeData data = getAsOdeData(message.getAsn1Message()); | ||
|
|
||
| XmlUtils xmlUtils = new XmlUtils(); | ||
|
|
||
| try { | ||
| // Convert to XML for ASN.1 Decoder | ||
| String xml = xmlUtils.toXml(data); | ||
|
|
||
| // Send String through ASN.1 Decoder to get Decoded XML Data | ||
| String decodedXml = DecoderManager.decodeXmlWithAcm(xml); | ||
|
|
||
|
|
||
| // Convert to Ode Json | ||
| OdeBsmData bsm = getAsOdeJson(decodedXml); | ||
|
|
||
| // build output data structure | ||
| DecodedMessage decodedMessage = new BsmDecodedMessage(bsm, message.getAsn1Message(), ""); | ||
| return decodedMessage; | ||
|
|
||
| } catch (JsonProcessingException e) { | ||
| e.printStackTrace(); | ||
| return new BsmDecodedMessage(null, message.getAsn1Message(), e.getMessage()); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| return new BsmDecodedMessage(null, message.getAsn1Message(), e.getMessage()); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public OdeData getAsOdeData(String encodedData) { | ||
| OdeMsgPayload payload = new OdeAsn1Payload(new OdeHexByteArray(encodedData)); | ||
|
|
||
| // construct metadata | ||
| OdeBsmMetadata metadata = new OdeBsmMetadata(payload); | ||
| metadata.setOdeReceivedAt(DecoderManager.getOdeReceivedAt()); | ||
| metadata.setRecordType(RecordType.bsmTx); | ||
| metadata.setSecurityResultCode(SecurityResultCode.success); | ||
|
|
||
| // construct metadata: receivedMessageDetails | ||
| ReceivedMessageDetails receivedMessageDetails = new ReceivedMessageDetails(); | ||
| receivedMessageDetails.setRxSource(RxSource.RV); | ||
|
|
||
| // construct metadata: locationData | ||
| OdeLogMsgMetadataLocation locationData = new OdeLogMsgMetadataLocation(); | ||
| receivedMessageDetails.setLocationData(locationData); | ||
|
|
||
| metadata.setReceivedMessageDetails(receivedMessageDetails); | ||
| metadata.setBsmSource(BsmSource.RV); | ||
|
|
||
| Asn1Encoding unsecuredDataEncoding = new Asn1Encoding("unsecuredData", "MessageFrame", | ||
| EncodingRule.UPER); | ||
| metadata.addEncoding(unsecuredDataEncoding); | ||
|
|
||
| // construct odeData | ||
| return new OdeAsn1Data(metadata, payload); | ||
| } | ||
|
|
||
| @Override | ||
| public OdeBsmData getAsOdeJson(String consumedData) throws XmlUtilsException { | ||
| ObjectNode consumed = XmlUtils.toObjectNode(consumedData); | ||
|
|
||
| JsonNode metadataNode = consumed.findValue(AppContext.METADATA_STRING); | ||
| if (metadataNode instanceof ObjectNode) { | ||
| ObjectNode object = (ObjectNode) metadataNode; | ||
| object.remove(AppContext.ENCODINGS_STRING); | ||
| } | ||
|
|
||
| OdeBsmMetadata metadata = (OdeBsmMetadata) JsonUtils.fromJson( | ||
| metadataNode.toString(), OdeBsmMetadata.class); | ||
|
|
||
| /* | ||
| * ODE-755 and ODE-765 Starting with schemaVersion=5 receivedMessageDetails | ||
| * will be present in BSM metadata. None should be present in prior versions. | ||
| */ | ||
| if (metadata.getSchemaVersion() <= 4) { | ||
| metadata.setReceivedMessageDetails(null); | ||
| } | ||
|
|
||
| OdeBsmPayload payload = new OdeBsmPayload( | ||
| BsmBuilder.genericBsm(consumed.findValue("BasicSafetyMessage"))); | ||
| return new OdeBsmData(metadata, payload); | ||
| } | ||
|
|
||
| public String mockDecodeXmlWithAcm(String xmlMessage){ | ||
| return "<?xml version=\"1.0\"?><OdeAsn1Data><metadata><bsmSource>RV</bsmSource><logFileName/><recordType>bsmTx</recordType><securityResultCode>success</securityResultCode><receivedMessageDetails><locationData><latitude/><longitude/><elevation/><speed/><heading/></locationData><rxSource>RV</rxSource></receivedMessageDetails><encodings><encodings><elementName>unsecuredData</elementName><elementType>MessageFrame</elementType><encodingRule>UPER</encodingRule></encodings></encodings><payloadType>us.dot.its.jpo.ode.model.OdeAsn1Payload</payloadType><serialId><streamId>8829c539-e684-40b7-a786-692acd3f897a</streamId><bundleSize>1</bundleSize><bundleId>0</bundleId><recordId>0</recordId><serialNumber>0</serialNumber></serialId><odeReceivedAt>2024-05-08T20:47:53.830130272Z</odeReceivedAt><schemaVersion>6</schemaVersion><maxDurationTime>0</maxDurationTime><recordGeneratedAt/><recordGeneratedBy/><sanitized>false</sanitized><odePacketID/><odeTimStartDateTime/><originIp/></metadata><payload><dataType>MessageFrame</dataType><data><MessageFrame><messageId>20</messageId><value><BasicSafetyMessage><coreData><msgCnt>18</msgCnt><id>B42DE51F</id><secMark>2998</secMark><lat>0</lat><long>0</long><elev>0</elev><accuracy><semiMajor>0</semiMajor><semiMinor>0</semiMinor><orientation>8100</orientation></accuracy><transmission><forwardGears/></transmission><speed>1315</speed><heading>6448</heading><angle>-1</angle><accelSet><long>0</long><lat>0</lat><vert>50</vert><yaw>0</yaw></accelSet><brakes><wheelBrakes>00000</wheelBrakes><traction><on/></traction><abs><on/></abs><scs><on/></scs><brakeBoost><unavailable/></brakeBoost><auxBrakes><unavailable/></auxBrakes></brakes><size><width>250</width><length>590</length></size></coreData><partII><BSMpartIIExtension><partII-Id>0</partII-Id><partII-Value><VehicleSafetyExtensions><pathHistory><crumbData><PathHistoryPoint><latOffset>-795</latOffset><lonOffset>2109</lonOffset><elevationOffset>0</elevationOffset><timeOffset>62789</timeOffset></PathHistoryPoint></crumbData></pathHistory><pathPrediction><radiusOfCurve>32767</radiusOfCurve><confidence>180</confidence></pathPrediction></VehicleSafetyExtensions></partII-Value></BSMpartIIExtension><BSMpartIIExtension><partII-Id>2</partII-Id><partII-Value><SupplementalVehicleExtensions><classification>0</classification><classDetails><keyType>0</keyType><hpmsType><none/></hpmsType></classDetails><vehicleData/><weatherReport><isRaining><error/></isRaining><rainRate>65535</rainRate><precipSituation><unknown/></precipSituation><solarRadiation>65535</solarRadiation><friction>101</friction><roadFriction>0</roadFriction></weatherReport><weatherProbe><airTemp>52</airTemp><airPressure>71</airPressure><rainRates><statusFront><off/></statusFront><rateFront>0</rateFront></rainRates></weatherProbe></SupplementalVehicleExtensions></partII-Value></BSMpartIIExtension><BSMpartIIExtension><partII-Id>1</partII-Id><partII-Value><SpecialVehicleExtensions><vehicleAlerts><notUsed>0</notUsed><sirenUse><notInUse/></sirenUse><lightsUse><notInUse/></lightsUse><multi><unavailable/></multi><events><notUsed>0</notUsed><event>1000000000000000</event></events></vehicleAlerts></SpecialVehicleExtensions></partII-Value></BSMpartIIExtension></partII></BasicSafetyMessage></value></MessageFrame></data></payload></OdeAsn1Data>"; | ||
| } | ||
|
|
||
| } |
Oops, something went wrong.