/**
* (non-javadoc)
*
* @see CommunicationsClientConnection#requestListComponentRegistered(PlatformComponentProfile,
* DiscoveryQueryParameters)
*/
@Override
public void requestListComponentRegistered(
PlatformComponentProfile networkServiceApplicant,
DiscoveryQueryParameters discoveryQueryParameters)
throws CantRequestListException {
try {
System.out.println("WsCommunicationsCloudClientConnection - requestListComponentRegistered");
/*
* Validate parameter
*/
if (discoveryQueryParameters == null) {
throw new IllegalArgumentException(
"The discoveryQueryParameters is required, can not be null");
}
Gson gson = new Gson();
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty(
JsonAttNamesConstants.NETWORK_SERVICE_TYPE,
networkServiceApplicant.getNetworkServiceType().toString());
jsonObject.addProperty(
JsonAttNamesConstants.DISCOVERY_PARAM, discoveryQueryParameters.toJson());
/*
* Construct a fermat packet whit the filters
*/
FermatPacket fermatPacketRespond =
FermatPacketCommunicationFactory.constructFermatPacketEncryptedAndSinged(
wsCommunicationsCloudClientChannel.getServerIdentity(), // Destination
wsCommunicationsCloudClientChannel.getClientIdentity().getPublicKey(), // Sender
gson.toJson(jsonObject), // Message Content
FermatPacketType.REQUEST_LIST_COMPONENT_REGISTERED, // Packet type
wsCommunicationsCloudClientChannel
.getClientIdentity()
.getPrivateKey()); // Sender private key
/*
* Send the encode packet to the server
*/
wsCommunicationsCloudClientChannel.send(FermatPacketEncoder.encode(fermatPacketRespond));
} catch (Exception e) {
CantRequestListException pluginStartException =
new CantRequestListException(
CantRequestListException.DEFAULT_MESSAGE,
e,
e.getLocalizedMessage(),
e.getLocalizedMessage());
throw pluginStartException;
}
}
/**
* Method that apply geo location filter to the list
*
* @param listToApply
* @return List<PlatformComponentProfile>
*/
private List<PlatformComponentProfile> applyGeoLocationFilter(
List<PlatformComponentProfile> listToApply,
DiscoveryQueryParameters discoveryQueryParameters) {
/*
* Hold the data ordered by distance
*/
Map<Double, PlatformComponentProfile> orderedByDistance = new TreeMap<>();
/*
* For each component
*/
for (PlatformComponentProfile platformComponentProfile : listToApply) {
/*
* If component have a geo location
*/
if (platformComponentProfile.getLocation() != null) {
/*
* Calculate the distance between the two points
*/
Double componentDistance =
DistanceCalculator.distance(
discoveryQueryParameters.getLocation(),
platformComponentProfile.getLocation(),
DistanceCalculator.KILOMETERS);
/*
* Compare the distance
*/
if (componentDistance <= discoveryQueryParameters.getDistance()) {
/*
* Add to the list
*/
orderedByDistance.put(componentDistance, platformComponentProfile);
}
}
}
return new ArrayList<>(orderedByDistance.values());
}
/**
* Count the number of filter to apply
*
* @param discoveryQueryParameters
* @return int
*/
private int countFilers(DiscoveryQueryParameters discoveryQueryParameters) {
int total = 0;
if (discoveryQueryParameters.getIdentityPublicKey() != null
&& discoveryQueryParameters.getIdentityPublicKey() != "") {
total += 1;
}
if (discoveryQueryParameters.getAlias() != null && discoveryQueryParameters.getAlias() != "") {
total += 1;
}
if (discoveryQueryParameters.getName() != null && discoveryQueryParameters.getName() != "") {
total += 1;
}
if (discoveryQueryParameters.getExtraData() != null
&& discoveryQueryParameters.getExtraData() != "") {
total += 1;
}
return total;
}
@Post("application/json")
public String getList(Representation entity) {
System.out.println(" --------------------------------------------------------------------- ");
System.out.println("ComponentRegisteredListWebService - Starting getList");
JsonObject jsonObjectRespond = new JsonObject();
try {
wsCommunicationCloudServer =
(WsCommunicationCloudServer)
getContext().getAttributes().get(WebServicesApplication.PLUGIN_ROOT_ATT_NAME);
/*
* Construct the json object
*/
JSONObject requestParametersJsonObject = (new JsonRepresentation(entity)).getJsonObject();
System.out.println(
"ComponentRegisteredListWebService - requestParametersJsonObject = "
+ requestParametersJsonObject);
String clientIdentityPublicKey =
requestParametersJsonObject.getString(JsonAttNamesConstants.NAME_IDENTITY);
DiscoveryQueryParameters discoveryQueryParameters =
new DiscoveryQueryParametersCommunication()
.fromJson(
requestParametersJsonObject.getString(JsonAttNamesConstants.DISCOVERY_PARAM));
/*
* hold the result list
*/
List<PlatformComponentProfile> resultList = null;
if (discoveryQueryParameters.getFromOtherPlatformComponentType() == null
&& discoveryQueryParameters.getFromOtherNetworkServiceType() == null) {
resultList =
applyDiscoveryQueryParameters(discoveryQueryParameters, clientIdentityPublicKey);
} else {
resultList =
applyDiscoveryQueryParametersFromOtherComponent(
discoveryQueryParameters, clientIdentityPublicKey);
}
System.out.println(
"ComponentRegisteredListWebService - filteredLis.size() =" + resultList.size());
/*
* Convert the list to json representation
*/
String jsonListRepresentation =
gson.toJson(
resultList,
new TypeToken<List<PlatformComponentProfileCommunication>>() {}.getType());
/*
* Create the respond
*/
jsonObjectRespond.addProperty(JsonAttNamesConstants.RESULT_LIST, jsonListRepresentation);
} catch (Exception e) {
System.out.println("ComponentRegisteredListWebService - requested list is not available");
jsonObjectRespond.addProperty(
JsonAttNamesConstants.FAILURE, "Requested list is not available");
e.printStackTrace();
}
String jsonString = gson.toJson(jsonObjectRespond);
JsonRepresentation jsonRepresentationRespond = new JsonRepresentation(jsonString.trim());
System.out.println(
"ComponentRegisteredListWebService - jsonString.length() = " + jsonString.length());
System.out.println(
"ComponentRegisteredListWebService - jsonRepresentationRespond.getSize() = "
+ jsonRepresentationRespond.getSize());
return jsonString;
}
/**
* Filter the PlatformComponentProfiles that match with the discoveryQueryParameters that get from
* other component
*
* @param discoveryQueryParameters
* @param clientIdentityPublicKey
* @return List<PlatformComponentProfile>
*/
private List<PlatformComponentProfile> applyDiscoveryQueryParametersFromOtherComponent(
DiscoveryQueryParameters discoveryQueryParameters, String clientIdentityPublicKey) {
System.out.println(
"ComponentRegisteredListWebService - applyDiscoveryQueryParametersFromOtherComponent = ");
List<PlatformComponentProfile> filteredListFromOtherComponentType = new ArrayList<>();
/*
* Get the list from the cache that match with the other componet
*/
List<PlatformComponentProfile> otherComponentList =
(List<PlatformComponentProfile>)
new ArrayList<>(
searchProfile(
discoveryQueryParameters.getFromOtherPlatformComponentType(),
discoveryQueryParameters.getFromOtherNetworkServiceType(),
discoveryQueryParameters.getIdentityPublicKey()))
.clone();
System.out.println(
"ComponentRegisteredListWebService - otherComponentList = " + otherComponentList.size());
/*
* Find the other component that match with the identity
*/
for (PlatformComponentProfile platformComponentProfile : otherComponentList) {
if (discoveryQueryParameters.getIdentityPublicKey() != null
&& discoveryQueryParameters.getIdentityPublicKey() != "") {
List<PlatformComponentProfile> newList =
searchProfileByCommunicationCloudClientIdentity(
discoveryQueryParameters.getPlatformComponentType(),
discoveryQueryParameters.getNetworkServiceType(),
platformComponentProfile.getCommunicationCloudClientIdentity());
filteredListFromOtherComponentType.addAll(newList);
}
}
/*
* Remove the requester from the list
*/
Iterator<PlatformComponentProfile> iterator = filteredListFromOtherComponentType.iterator();
while (iterator.hasNext()) {
PlatformComponentProfile platformComponentProfileRegistered = iterator.next();
if (platformComponentProfileRegistered
.getCommunicationCloudClientIdentity()
.equals(clientIdentityPublicKey)) {
System.out.println(
"ComponentRegisteredListWebService - removing ="
+ platformComponentProfileRegistered.getName());
iterator.remove();
}
}
System.out.println(
"ComponentRegisteredListWebService - filteredListFromOtherComponentType = "
+ filteredListFromOtherComponentType.size());
return filteredListFromOtherComponentType;
}
/**
* Filter the PlatformComponentProfile that match with the discoveryQueryParameters
*
* @param discoveryQueryParameters
* @return List<PlatformComponentProfile>
*/
private List<PlatformComponentProfile> applyDiscoveryQueryParameters(
DiscoveryQueryParameters discoveryQueryParameters, String clientIdentityPublicKey) {
int totalFilterToApply = countFilers(discoveryQueryParameters);
int filterMatched = 0;
List<PlatformComponentProfile> list =
getPrimaryFilteredListFromCache(
discoveryQueryParameters.getPlatformComponentType(),
discoveryQueryParameters.getNetworkServiceType(),
clientIdentityPublicKey);
List<PlatformComponentProfile> filteredLis = new ArrayList<>();
System.out.println(
"ComponentRegisteredListWebService - totalFilterToApply = " + totalFilterToApply);
if (totalFilterToApply > 0) {
/*
* Apply the basic filter
*/
for (PlatformComponentProfile platformComponentProfile : list) {
if (discoveryQueryParameters.getIdentityPublicKey() != null
&& discoveryQueryParameters.getIdentityPublicKey() != "") {
if (platformComponentProfile
.getIdentityPublicKey()
.equals(discoveryQueryParameters.getIdentityPublicKey())) {
filterMatched += 1;
}
}
if (discoveryQueryParameters.getAlias() != null
&& discoveryQueryParameters.getAlias() != "") {
if (discoveryQueryParameters
.getAlias()
.toLowerCase()
.contains(platformComponentProfile.getAlias().toLowerCase())) {
filterMatched += 1;
}
}
if (discoveryQueryParameters.getName() != null
&& discoveryQueryParameters.getName() != "") {
if (discoveryQueryParameters
.getName()
.toLowerCase()
.contains(platformComponentProfile.getName().toLowerCase())) {
filterMatched += 1;
}
}
if (discoveryQueryParameters.getExtraData() != null
&& discoveryQueryParameters.getExtraData() != "") {
if (discoveryQueryParameters
.getExtraData()
.toLowerCase()
.contains(platformComponentProfile.getExtraData().toLowerCase())) {
filterMatched += 1;
}
}
// if all filter matched
if (totalFilterToApply == filterMatched) {
// Add to the list
filteredLis.add(platformComponentProfile);
}
}
} else {
filteredLis = list;
}
/*
* Apply geo location filter
*/
if (discoveryQueryParameters.getLocation() != null
&& discoveryQueryParameters.getLocation().getLatitude() != 0
&& discoveryQueryParameters.getLocation().getLongitude() != 0) {
filteredLis = applyGeoLocationFilter(filteredLis, discoveryQueryParameters);
}
/*
* Apply pagination
*/
if ((discoveryQueryParameters.getMax() != 0) && (discoveryQueryParameters.getOffset() != 0)) {
/*
* Apply pagination
*/
if (filteredLis.size() > discoveryQueryParameters.getMax()
&& filteredLis.size() > discoveryQueryParameters.getOffset()) {
filteredLis =
filteredLis.subList(
discoveryQueryParameters.getOffset(), discoveryQueryParameters.getMax());
} else if (filteredLis.size() > 100) {
filteredLis = filteredLis.subList(discoveryQueryParameters.getOffset(), 100);
}
} else if (filteredLis.size() > 100) {
filteredLis = filteredLis.subList(0, 100);
}
return filteredLis;
}
/**
* Method that request to the communication cloud server the list of component registered that
* match whit the discovery query params
*
* @param discoveryQueryParameters
* @throws CantRequestListException this exception means the list receive is empty or a internal
* error
*/
public List<PlatformComponentProfile> requestListComponentRegisteredSocket(
DiscoveryQueryParameters discoveryQueryParameters) throws CantRequestListException {
System.out.println(
"WsCommunicationsCloudClientConnection - new requestListComponentRegistered");
List<PlatformComponentProfile> resultList = new ArrayList<>();
Socket clientConnect = null;
BufferedReader bufferedReader = null;
PrintWriter printWriter = null;
try {
/*
* Validate parameter
*/
if (discoveryQueryParameters == null) {
throw new IllegalArgumentException(
"The discoveryQueryParameters is required, can not be null");
}
/*
* Construct a jsonObject whit the parameters
*/
Gson gson = new Gson();
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty(
JsonAttNamesConstants.NAME_IDENTITY,
wsCommunicationsCloudClientChannel.getIdentityPublicKey());
jsonObject.addProperty(
JsonAttNamesConstants.DISCOVERY_PARAM, discoveryQueryParameters.toJson());
clientConnect = new Socket(WsCommunicationsCloudClientPluginRoot.SERVER_IP, 9001);
bufferedReader = new BufferedReader(new InputStreamReader(clientConnect.getInputStream()));
printWriter = new PrintWriter(clientConnect.getOutputStream());
printWriter.println(gson.toJson(jsonObject));
printWriter.flush();
String respondServer = bufferedReader.readLine();
if (respondServer != null
&& respondServer != ""
&& respondServer.contains(JsonAttNamesConstants.RESULT_LIST)) {
/*
* Decode into a json object
*/
JsonParser parser = new JsonParser();
JsonObject respondJsonObject = (JsonObject) parser.parse(respondServer);
/*
* Get the receivedList
*/
resultList =
gson.fromJson(
respondJsonObject.get(JsonAttNamesConstants.RESULT_LIST).getAsString(),
new TypeToken<List<PlatformComponentProfileCommunication>>() {}.getType());
System.out.println(
"WsCommunicationsCloudClientConnection - resultList.size() = " + resultList.size());
}
bufferedReader.close();
printWriter.close();
clientConnect.close();
} catch (Exception e) {
try {
if (clientConnect != null) {
bufferedReader.close();
printWriter.close();
clientConnect.close();
}
} catch (Exception ex) {
}
e.printStackTrace();
CantRequestListException cantRequestListException =
new CantRequestListException(
CantRequestListException.DEFAULT_MESSAGE,
e,
e.getLocalizedMessage(),
e.getLocalizedMessage());
throw cantRequestListException;
}
return resultList;
}
/**
* (non-javadoc)
*
* @see CommunicationsClientConnection#requestListComponentRegistered(DiscoveryQueryParameters)
*/
@Override
public List<PlatformComponentProfile> requestListComponentRegistered(
DiscoveryQueryParameters discoveryQueryParameters) throws CantRequestListException {
System.out.println(
"WsCommunicationsCloudClientConnection - new requestListComponentRegistered");
List<PlatformComponentProfile> resultList = new ArrayList<>();
try {
/*
* Validate parameter
*/
if (discoveryQueryParameters == null) {
throw new IllegalArgumentException(
"The discoveryQueryParameters is required, can not be null");
}
/*
* Construct a jsonObject whit the parameters
*/
Gson gson = new Gson();
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty(
JsonAttNamesConstants.NAME_IDENTITY,
wsCommunicationsCloudClientChannel.getIdentityPublicKey());
jsonObject.addProperty(
JsonAttNamesConstants.DISCOVERY_PARAM, discoveryQueryParameters.toJson());
// Create a new RestTemplate instance
HttpHeaders requestHeaders = new HttpHeaders();
requestHeaders.set("Connection", "Close");
requestHeaders.setAccept(
Collections.singletonList(new org.springframework.http.MediaType("application", "json")));
HttpEntity<?> requestEntity = new HttpEntity<Object>(jsonObject.toString(), requestHeaders);
RestTemplate restTemplate = new RestTemplate();
restTemplate
.getMessageConverters()
.add(0, new StringHttpMessageConverter(Charset.forName("UTF-8")));
ResponseEntity<String> responseEntity =
restTemplate.exchange(WEB_SERVICE_URL, HttpMethod.POST, requestEntity, String.class);
String respond = responseEntity.getBody();
// System.out.println("responseEntity = " + respond);
/*
* if respond have the result list
*/
if (respond.contains(JsonAttNamesConstants.RESULT_LIST)) {
/*
* Decode into a json object
*/
JsonParser parser = new JsonParser();
JsonObject respondJsonObject = (JsonObject) parser.parse(respond.toString());
/*
* Get the receivedList
*/
resultList =
gson.fromJson(
respondJsonObject.get(JsonAttNamesConstants.RESULT_LIST).getAsString(),
new TypeToken<List<PlatformComponentProfileCommunication>>() {}.getType());
System.out.println(
"WsCommunicationsCloudClientConnection - resultList.size() = " + resultList.size());
} else {
System.out.println(
"WsCommunicationsCloudClientConnection - Requested list is not available, resultList.size() = "
+ resultList.size());
}
} catch (Exception e) {
e.printStackTrace();
CantRequestListException cantRequestListException =
new CantRequestListException(
CantRequestListException.DEFAULT_MESSAGE,
e,
e.getLocalizedMessage(),
e.getLocalizedMessage());
throw cantRequestListException;
}
return resultList;
}
