catalog-be/src/main/java/org/openecomp/sdc/be/tosca/CommonCsarGenerator.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2023 Nordix Foundation. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.openecomp.sdc.be.tosca;
  21
  22 import static org.openecomp.sdc.be.dao.api.ActionStatus.ARTIFACT_PAYLOAD_NOT_FOUND_DURING_CSAR_CREATION;
  23 import static org.openecomp.sdc.be.dao.api.ActionStatus.ERROR_DURING_CSAR_CREATION;
  24 import static org.openecomp.sdc.be.tosca.ComponentCache.MergeStrategy.overwriteIfSameVersions;
  25 import static org.openecomp.sdc.be.tosca.FJToVavrHelper.Try0.fromEither;
  26 import static org.openecomp.sdc.be.tosca.FJToVavrHelper.Try0.javaListToVavrList;
  27 import static org.openecomp.sdc.common.api.Constants.ADDITIONAL_TYPE_DEFINITIONS;
  28
  29 import com.google.common.primitives.Bytes;
  30 import fj.F;
  31 import fj.data.Either;
  32 import io.vavr.Tuple2;
  33 import io.vavr.control.Try;
  34 import java.io.BufferedOutputStream;
  35 import java.io.ByteArrayInputStream;
  36 import java.io.File;
  37 import java.io.IOException;
  38 import java.nio.charset.StandardCharsets;
  39 import java.nio.file.Path;
  40 import java.nio.file.Paths;
  41 import java.text.SimpleDateFormat;
  42 import java.util.ArrayList;
  43 import java.util.Date;
  44 import java.util.EnumMap;
  45 import java.util.HashMap;
  46 import java.util.HashSet;
  47 import java.util.List;
  48 import java.util.Map;
  49 import java.util.Map.Entry;
  50 import java.util.Objects;
  51 import java.util.Optional;
  52 import java.util.Set;
  53 import java.util.TimeZone;
  54 import java.util.function.Function;
  55 import java.util.function.Predicate;
  56 import java.util.function.Supplier;
  57 import java.util.regex.Matcher;
  58 import java.util.regex.Pattern;
  59 import java.util.stream.Collectors;
  60 import java.util.stream.Stream;
  61 import java.util.zip.ZipEntry;
  62 import java.util.zip.ZipInputStream;
  63 import java.util.zip.ZipOutputStream;
  64 import org.apache.commons.collections.CollectionUtils;
  65 import org.apache.commons.collections.MapUtils;
  66 import org.apache.commons.io.output.ByteArrayOutputStream;
  67 import org.apache.commons.lang.StringUtils;
  68 import org.apache.commons.lang3.tuple.ImmutableTriple;
  69 import org.apache.commons.lang3.tuple.Triple;
  70 import org.apache.commons.text.WordUtils;
  71 import org.onap.sdc.tosca.services.YamlUtil;
  72 import org.openecomp.sdc.be.components.impl.exceptions.ByResponseFormatComponentException;
  73 import org.openecomp.sdc.be.config.CategoryBaseTypeConfig;
  74 import org.openecomp.sdc.be.config.ConfigurationManager;
  75 import org.openecomp.sdc.be.dao.api.ActionStatus;
  76 import org.openecomp.sdc.be.dao.cassandra.ArtifactCassandraDao;
  77 import org.openecomp.sdc.be.dao.cassandra.CassandraOperationStatus;
  78 import org.openecomp.sdc.be.dao.cassandra.SdcSchemaFilesCassandraDao;
  79 import org.openecomp.sdc.be.data.model.ToscaImportByModel;
  80 import org.openecomp.sdc.be.datatypes.elements.ArtifactDataDefinition;
  81 import org.openecomp.sdc.be.datatypes.elements.OperationDataDefinition;
  82 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  83 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
  84 import org.openecomp.sdc.be.impl.ComponentsUtils;
  85 import org.openecomp.sdc.be.model.ArtifactDefinition;
  86 import org.openecomp.sdc.be.model.Component;
  87 import org.openecomp.sdc.be.model.ComponentInstance;
  88 import org.openecomp.sdc.be.model.InterfaceDefinition;
  89 import org.openecomp.sdc.be.model.LifecycleStateEnum;
  90 import org.openecomp.sdc.be.model.Resource;
  91 import org.openecomp.sdc.be.model.Service;
  92 import org.openecomp.sdc.be.model.category.CategoryDefinition;
  93 import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
  94 import org.openecomp.sdc.be.model.jsonjanusgraph.utils.ModelConverter;
  95 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
  96 import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
  97 import org.openecomp.sdc.be.model.operations.impl.ModelOperation;
  98 import org.openecomp.sdc.be.plugins.CsarEntryGenerator;
  99 import org.openecomp.sdc.be.resources.data.DAOArtifactData;
 100 import org.openecomp.sdc.be.tosca.utils.OperationArtifactUtil;
 101 import org.openecomp.sdc.be.utils.TypeUtils;
 102 import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
 103 import org.openecomp.sdc.common.api.ArtifactTypeEnum;
 104 import org.openecomp.sdc.common.impl.ExternalConfiguration;
 105 import org.openecomp.sdc.common.log.enums.EcompLoggerErrorCode;
 106 import org.openecomp.sdc.common.util.GeneralUtility;
 107 import org.openecomp.sdc.common.zip.ZipUtils;
 108 import org.openecomp.sdc.exception.ResponseFormat;
 109 import org.slf4j.Logger;
 110 import org.slf4j.LoggerFactory;
 111 import org.springframework.beans.factory.annotation.Autowired;
 112 import org.yaml.snakeyaml.DumperOptions;
 113 import org.yaml.snakeyaml.Yaml;
 114
 115 /**
 116  * Generates a Network Service CSAR based on a SERVICE component and wraps it in a SDC CSAR entry.
 117  */
 118 @org.springframework.stereotype.Component("commonCsarGenerator")
 119 public class CommonCsarGenerator {
 120
 121     private static final Logger LOGGER = LoggerFactory.getLogger(CommonCsarGenerator.class);
 122     public static final String ARTIFACTS_PATH = "Artifacts/";
 123     private static final String RESOURCES_PATH = "Resources/";
 124     private static final String PATH_DELIMITER = "/";
 125     private static final String SERVICE_MANIFEST = "NS.mf";
 126     private static final String ARTIFACT_NAME_UNIQUE_ID = "ArtifactName {}, unique ID {}";
 127     private static final String TOSCA_META_PATH_FILE_NAME = "TOSCA-Metadata/TOSCA.meta";
 128     private static final String TOSCA_META_VERSION = "1.0";
 129     private static final String CSAR_VERSION = "1.1";
 130     private static final String BLOCK_0_TEMPLATE = "SDC-TOSCA-Meta-File-Version: %s\nSDC-TOSCA-Definitions-Version: %s\n";
 131     private static final String CSAR_META_PATH_FILE_NAME = "csar.meta";
 132     private static final String SDC_VERSION = ExternalConfiguration.getAppVersion();
 133     public static final String NODES_YML = "nodes.yml";
 134     private static final String CONFORMANCE_LEVEL = ConfigurationManager.getConfigurationManager().getConfiguration().getToscaConformanceLevel();
 135     private final ToscaOperationFacade toscaOperationFacade;
 136     private final ComponentsUtils componentsUtils;
 137     private final ToscaExportHandler toscaExportUtils;
 138     private final List<CsarEntryGenerator> generators;
 139     private final ArtifactCassandraDao artifactCassandraDao;
 140     private final String versionFirstThreeOctets;
 141     private final SdcSchemaFilesCassandraDao sdcSchemaFilesCassandraDao;
 142     private final ModelOperation modelOperation;
 143
 144     @Autowired
 145     public CommonCsarGenerator(
 146         final ToscaOperationFacade toscaOperationFacade,
 147         final ComponentsUtils componentsUtils,
 148         final ToscaExportHandler toscaExportUtils,
 149         final List<CsarEntryGenerator> generators,
 150         final ArtifactCassandraDao artifactCassandraDao,
 151         final SdcSchemaFilesCassandraDao sdcSchemaFilesCassandraDao,
 152         final ModelOperation modelOperation) {
 153         this.toscaOperationFacade = toscaOperationFacade;
 154         this.componentsUtils = componentsUtils;
 155         this.toscaExportUtils = toscaExportUtils;
 156         this.generators = generators;
 157         this.artifactCassandraDao = artifactCassandraDao;
 158         this.versionFirstThreeOctets = readVersionFirstThreeOctets();
 159         this.sdcSchemaFilesCassandraDao = sdcSchemaFilesCassandraDao;
 160         this.modelOperation = modelOperation;
 161     }
 162
 163     private String readVersionFirstThreeOctets() {
 164         if (StringUtils.isEmpty(SDC_VERSION)) {
 165             return "";
 166         }
 167         // change regex to avoid DoS sonar issue
 168         Matcher matcher = Pattern.compile("(?!\\.)(\\d{1,9}(\\.\\d{1,9}){1,9})(?![\\d\\.])").matcher(SDC_VERSION);
 169         matcher.find();
 170         return matcher.group(0);
 171     }
 172
 173     /**
 174      * Generates a Network Service CSAR based on a SERVICE component that has category configured in
 175      * CategoriesToGenerateNsd enum and wraps it in a SDC CSAR entry.
 176      *
 177      * @param component the component to create the NS CSAR from
 178      * @return an entry to be added in the Component CSAR by SDC
 179      */
 180     public Either<ZipOutputStream, ResponseFormat> generateCsarZip(Component component,
 181                                                                    boolean getFromCS,
 182                                                                    ZipOutputStream zip,
 183                                                                    boolean isInCertificationRequest,
 184                                                                    boolean isAsdPackage,
 185                                                                    String definitionsPath,
 186                                                                    boolean addDependencies,
 187                                                                    boolean isSkipImports) throws IOException {
 188         ArtifactDefinition artifactDef = component.getToscaArtifacts().get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
 189         Either<ToscaRepresentation, ResponseFormat> toscaRepresentation = fetchToscaRepresentation(component, getFromCS, artifactDef, isSkipImports);
 190
 191         // This should not be done but in order to keep the refactoring small enough we stop here.
 192         // TODO: Refactor the rest of this function
 193         byte[] mainYaml;
 194         List<Triple<String, String, Component>> dependencies;
 195         if (toscaRepresentation.isLeft()) {
 196             mainYaml = toscaRepresentation.left().value().getMainYaml();
 197             dependencies = toscaRepresentation.left().value().getDependencies().getOrElse(new ArrayList<>());
 198         } else {
 199             return Either.right(toscaRepresentation.right().value());
 200         }
 201
 202         if (!isSkipImports) {
 203             final String toscaConformanceLevel = ConfigurationManager.getConfigurationManager().getConfiguration().getToscaConformanceLevel();
 204             zip.putNextEntry(new ZipEntry(CSAR_META_PATH_FILE_NAME));
 205             zip.write(createCsarBlock0(TOSCA_META_VERSION, toscaConformanceLevel).getBytes());
 206         }
 207
 208         final String fileName = artifactDef.getArtifactName();
 209         final byte[] toscaBlock0Byte = createToscaBlock0(
 210             TOSCA_META_VERSION, CSAR_VERSION, component.getCreatorFullName(), fileName, isAsdPackage, definitionsPath, isSkipImports).getBytes();
 211         zip.putNextEntry(new ZipEntry(TOSCA_META_PATH_FILE_NAME));
 212         zip.write(toscaBlock0Byte);
 213         zip.putNextEntry(new ZipEntry(definitionsPath + fileName));
 214         zip.write(mainYaml);
 215         LifecycleStateEnum lifecycleState = component.getLifecycleState();
 216         addServiceMf(component, zip, lifecycleState, isInCertificationRequest, fileName, mainYaml, definitionsPath);
 217         if (addDependencies) {
 218             //US798487 - Abstraction of complex types
 219             if (hasToWriteComponentSubstitutionType(component)) {
 220                 LOGGER.debug("Component {} is complex - generating abstract type for it..", component.getName());
 221                 dependencies.addAll(writeComponentInterface(component, zip, fileName, definitionsPath));
 222             }
 223             //UID <cassandraId,filename,component>
 224             Either<ZipOutputStream, ResponseFormat> zipOutputStreamOrResponseFormat =
 225                 getZipOutputStreamResponseFormatEither(zip, dependencies, definitionsPath);
 226             if (zipOutputStreamOrResponseFormat != null && zipOutputStreamOrResponseFormat.isRight()) {
 227                 return zipOutputStreamOrResponseFormat;
 228             }
 229         }
 230         if (component.getModel() == null) {
 231             //retrieve SDC.zip from Cassandra
 232             Either<byte[], ResponseFormat> latestSchemaFiles = getLatestSchemaFilesFromCassandra();
 233             if (latestSchemaFiles.isRight()) {
 234                 LOGGER.error("Error retrieving SDC Schema files from cassandra");
 235                 return Either.right(latestSchemaFiles.right().value());
 236             }
 237             final byte[] schemaFileZip = latestSchemaFiles.left().value();
 238             final List<String> nodesFromPackage = findNonRootNodesFromPackage(dependencies);
 239             //add files from retrieved SDC.zip to Definitions folder in CSAR
 240             addSchemaFilesFromCassandra(zip, schemaFileZip, nodesFromPackage, definitionsPath);
 241         } else {
 242             //retrieve schema files by model from Cassandra
 243             addSchemaFilesByModel(zip, component.getModel(), definitionsPath, addDependencies);
 244         }
 245         Either<CsarDefinition, ResponseFormat> collectedComponentCsarDefinition = collectComponentCsarDefinition(component);
 246         if (collectedComponentCsarDefinition.isRight()) {
 247             return Either.right(collectedComponentCsarDefinition.right().value());
 248         }
 249         if (generators != null) {
 250             for (CsarEntryGenerator generator : generators) {
 251                 LOGGER.debug("Invoking CsarEntryGenerator: {}", generator.getClass().getName());
 252                 for (Map.Entry<String, byte[]> pluginGeneratedFile : generator.generateCsarEntries(component).entrySet()) {
 253                     zip.putNextEntry(new ZipEntry(pluginGeneratedFile.getKey()));
 254                     zip.write(pluginGeneratedFile.getValue());
 255                 }
 256             }
 257         }
 258         return writeAllFilesToCsar(component, collectedComponentCsarDefinition.left().value(), zip, isInCertificationRequest);
 259     }
 260
 261     private String createCsarBlock0(String metaFileVersion, String toscaConformanceLevel) {
 262         return String.format(BLOCK_0_TEMPLATE, metaFileVersion, toscaConformanceLevel);
 263     }
 264
 265     private Either<ToscaRepresentation, ResponseFormat> fetchToscaRepresentation(Component component, boolean getFromCS,
 266                                                                                  ArtifactDefinition artifactDef, boolean isSkipImports) {
 267         LifecycleStateEnum lifecycleState = component.getLifecycleState();
 268         boolean shouldBeFetchedFromCassandra =
 269             getFromCS || !(lifecycleState == LifecycleStateEnum.NOT_CERTIFIED_CHECKIN || lifecycleState == LifecycleStateEnum.NOT_CERTIFIED_CHECKOUT);
 270         Either<ToscaRepresentation, ResponseFormat> toscaRepresentation =
 271             shouldBeFetchedFromCassandra ? fetchToscaRepresentation(artifactDef) : generateToscaRepresentation(component, isSkipImports);
 272         return toscaRepresentation.left()
 273             .bind(iff(myd -> !myd.getDependencies().isDefined(), myd -> fetchToscaTemplateDependencies(myd.getMainYaml(), component)));
 274     }
 275
 276     private Either<ToscaRepresentation, ResponseFormat> fetchToscaTemplateDependencies(byte[] mainYml, Component component) {
 277         return toscaExportUtils.getDependencies(component).right().map(toscaError -> {
 278             LOGGER.debug("Failed to retrieve dependencies for component {}, error {}", component.getUniqueId(), toscaError);
 279             return componentsUtils.getResponseFormat(componentsUtils.convertFromToscaError(toscaError));
 280         }).left().map(tt -> ToscaRepresentation.make(mainYml, tt));
 281     }
 282
 283     private Either<ToscaRepresentation, ResponseFormat> fetchToscaRepresentation(ArtifactDefinition artifactDef) {
 284         return getFromCassandra(artifactDef.getEsId()).right().map(as -> {
 285             LOGGER.debug(ARTIFACT_NAME_UNIQUE_ID, artifactDef.getArtifactName(), artifactDef.getUniqueId());
 286             return componentsUtils.getResponseFormat(as);
 287         }).left().map(ToscaRepresentation::make);
 288     }
 289
 290     private Either<byte[], ActionStatus> getFromCassandra(String cassandraId) {
 291         return artifactCassandraDao.getArtifact(cassandraId).right().map(operationstatus -> {
 292             LOGGER.info("Failed to fetch artifact from Cassandra by id {} error {}.", cassandraId, operationstatus);
 293             StorageOperationStatus storageStatus = DaoStatusConverter.convertCassandraStatusToStorageStatus(operationstatus);
 294             return componentsUtils.convertFromStorageResponse(storageStatus);
 295         }).left().map(DAOArtifactData::getDataAsArray);
 296     }
 297
 298     private static <L, R> F<L, Either<L, R>> iff(Predicate<L> p, Function<L, Either<L, R>> ifTrue) {
 299         return l -> p.test(l) ? ifTrue.apply(l) : Either.left(l);
 300     }
 301
 302     private static <A, B> F<A, B> iff(Predicate<A> p, Supplier<B> s, Function<A, B> orElse) {
 303         return a -> p.test(a) ? s.get() : orElse.apply(a);
 304     }
 305
 306     private void addServiceMf(Component component, ZipOutputStream zip, LifecycleStateEnum lifecycleState, boolean isInCertificationRequest,
 307                               String fileName, byte[] mainYaml, String definitionsPath) throws IOException {
 308         // add mf
 309         if ((component.getComponentType() == ComponentTypeEnum.SERVICE) && (lifecycleState != LifecycleStateEnum.NOT_CERTIFIED_CHECKOUT)) {
 310             String serviceName = component.getName();
 311             String createdBy = component.getCreatorUserId();
 312             String serviceVersion;
 313             if (isInCertificationRequest) {
 314                 int tmp = Integer.valueOf(component.getVersion().split("\\.")[0]) + 1;
 315                 serviceVersion = String.valueOf(tmp) + ".0";
 316             } else {
 317                 serviceVersion = component.getVersion();
 318             }
 319             SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss'Z'");
 320             format.setTimeZone(TimeZone.getTimeZone("UTC"));
 321             Date date = new Date();
 322             String releaseTime = format.format(date);
 323             if (component.getCategories() == null || component.getCategories().get(0) == null) {
 324                 return;
 325             }
 326             String serviceType = component.getCategories().get(0).getName();
 327             String description = component.getDescription();
 328             String serviceTemplate = definitionsPath + fileName;
 329             String hash = GeneralUtility.calculateMD5Base64EncodedByByteArray(mainYaml);
 330             String nsMfBlock0 = createNsMfBlock0(serviceName, createdBy, serviceVersion, releaseTime, serviceType, description, serviceTemplate,
 331                 hash);
 332             byte[] nsMfBlock0Byte = nsMfBlock0.getBytes();
 333             zip.putNextEntry(new ZipEntry(SERVICE_MANIFEST));
 334             zip.write(nsMfBlock0Byte);
 335         }
 336     }
 337
 338     private String createNsMfBlock0(String serviceName, String createdBy, String serviceVersion, String releaseTime, String serviceType,
 339                                     String description, String serviceTemplate, String hash) {
 340         final String block0template = "metadata??\n" + "ns_product_name: %s\n" + "ns_provider_id: %s\n" + "ns_package_version: %s\n" +
 341             "ns_release_data_time: %s\n" + "ns_type: %s\n" + "ns_package_description: %s\n\n" + "Source: %s\n" + "Algorithm: MD5\n" + "Hash: %s\n\n";
 342         return String.format(block0template, serviceName, createdBy, serviceVersion, releaseTime, serviceType, description, serviceTemplate, hash);
 343     }
 344
 345     private boolean hasToWriteComponentSubstitutionType(final Component component) {
 346         final Map<String, CategoryBaseTypeConfig> serviceNodeTypesConfig =
 347             ConfigurationManager.getConfigurationManager().getConfiguration().getServiceBaseNodeTypes();
 348         List<CategoryDefinition> categories = component.getCategories();
 349         if (CollectionUtils.isNotEmpty(categories) && MapUtils.isNotEmpty(serviceNodeTypesConfig)
 350             && serviceNodeTypesConfig.get(categories.get(0).getName()) != null) {
 351             boolean doNotExtendBaseType = serviceNodeTypesConfig.get(categories.get(0).getName()).isDoNotExtendBaseType();
 352             if (doNotExtendBaseType) {
 353                 return false;
 354             }
 355         }
 356         if (component instanceof Service) {
 357             return !ModelConverter.isAtomicComponent(component) && ((Service) component).isSubstituteCandidate();
 358         }
 359         return !ModelConverter.isAtomicComponent(component);
 360     }
 361
 362     private Either<ZipOutputStream, ResponseFormat> writeComponentInterface(Either<ToscaRepresentation, ToscaError> interfaceRepresentation,
 363                                                                             ZipOutputStream zip, String fileName, String definitionsPath) {
 364         // TODO: This should not be done but we need this to keep the refactoring small enough to be easily reviewable
 365         return writeComponentInterface(interfaceRepresentation, fileName, ZipWriter.live(zip), definitionsPath)
 366             .map(void0 -> Either.<ZipOutputStream, ResponseFormat>left(zip)).recover(th -> {
 367                 LOGGER.error("#writeComponentInterface - zip writing failed with error: ", th);
 368                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
 369             }).get();
 370     }
 371
 372     private Try<Void> writeComponentInterface(
 373         Either<ToscaRepresentation, ToscaError> interfaceRepresentation, String fileName, ZipWriter zw, String definitionsPath) {
 374         Either<byte[], ToscaError> yml = interfaceRepresentation.left()
 375             .map(ToscaRepresentation::getMainYaml);
 376         return fromEither(yml, ToscaErrorException::new).flatMap(zw.write(definitionsPath + ToscaExportHandler.getInterfaceFilename(fileName)));
 377     }
 378
 379     private List<Triple<String, String, Component>> writeComponentInterface(final Component component, final ZipOutputStream zip,
 380                                                                             final String fileName, final String definitionsPath) {
 381         final Either<ToscaRepresentation, ToscaError> interfaceRepresentation = toscaExportUtils.exportComponentInterface(component, false);
 382         writeComponentInterface(interfaceRepresentation, zip, fileName, definitionsPath);
 383         return interfaceRepresentation.left().value().getDependencies().getOrElse(new ArrayList<>());
 384     }
 385
 386     private Either<ZipOutputStream, ResponseFormat> getZipOutputStreamResponseFormatEither(ZipOutputStream zip,
 387                                                                                            List<Triple<String, String, Component>> dependencies,
 388                                                                                            String definitionsPath)
 389         throws IOException {
 390         ComponentCache
 391             innerComponentsCache = ComponentCache.overwritable(overwriteIfSameVersions()).onMerge((oldValue, newValue) ->
 392             LOGGER.warn("Overwriting component invariantID {} of version {} with a newer version {}", oldValue.getId(),
 393                 oldValue.getComponentVersion(),
 394                 newValue.getComponentVersion()));
 395         if (dependencies != null && !dependencies.isEmpty()) {
 396             for (Triple<String, String, Component> d : dependencies) {
 397                 String cassandraId = d.getMiddle();
 398                 Component childComponent = d.getRight();
 399                 Either<byte[], ResponseFormat> entryData = getEntryData(cassandraId, childComponent).right()
 400                     .map(componentsUtils::getResponseFormat);
 401                 if (entryData.isRight()) {
 402                     return Either.right(entryData.right().value());
 403                 }
 404                 //fill innerComponentsCache
 405                 String fileName = d.getLeft();
 406                 innerComponentsCache.put(cassandraId, fileName, childComponent);
 407                 addInnerComponentsToCache(innerComponentsCache, childComponent);
 408             }
 409             //add inner components to CSAR
 410             return addInnerComponentsToCSAR(zip, innerComponentsCache, definitionsPath);
 411         }
 412         return null;
 413     }
 414
 415     private Either<ZipOutputStream, ResponseFormat> addInnerComponentsToCSAR(ZipOutputStream zip, ComponentCache innerComponentsCache,
 416                                                                              String definitionsPath)
 417         throws IOException {
 418         for (ImmutableTriple<String, String, Component> ict : innerComponentsCache.iterable()) {
 419             Component innerComponent = ict.getRight();
 420             String icFileName = ict.getMiddle();
 421             // add component to zip
 422             Either<Tuple2<byte[], ZipEntry>, ResponseFormat> zipEntry = toZipEntry(ict, definitionsPath);
 423             // TODO: this should not be done, we should instead compose this either further,
 424
 425             // but in order to keep this refactoring small, we'll stop here.
 426             if (zipEntry.isRight()) {
 427                 return Either.right(zipEntry.right().value());
 428             }
 429             Tuple2<byte[], ZipEntry> value = zipEntry.left().value();
 430             zip.putNextEntry(value._2);
 431             zip.write(value._1);
 432             // add component interface to zip
 433             if (hasToWriteComponentSubstitutionType(innerComponent)) {
 434                 writeComponentInterface(innerComponent, zip, icFileName, definitionsPath);
 435             }
 436         }
 437         return null;
 438     }
 439
 440     private Either<Tuple2<byte[], ZipEntry>, ResponseFormat> toZipEntry(ImmutableTriple<String, String, Component> cachedEntry,
 441                                                                         String definitionsPath) {
 442         String cassandraId = cachedEntry.getLeft();
 443         String fileName = cachedEntry.getMiddle();
 444         Component innerComponent = cachedEntry.getRight();
 445         return getEntryData(cassandraId, innerComponent).right().map(status -> {
 446             LOGGER.debug("Failed adding to zip component {}, error {}", cassandraId, status);
 447             return componentsUtils.getResponseFormat(status);
 448         }).left().map(content -> new Tuple2<>(content, new ZipEntry(definitionsPath + fileName)));
 449     }
 450
 451     private void addInnerComponentsToCache(ComponentCache componentCache, Component childComponent) {
 452         javaListToVavrList(childComponent.getComponentInstances()).filter(ci -> componentCache.notCached(ci.getComponentUid())).forEach(ci -> {
 453             // all resource must be only once!
 454             Either<Resource, StorageOperationStatus> resource = toscaOperationFacade.getToscaElement(ci.getComponentUid());
 455             Component componentRI = checkAndAddComponent(componentCache, ci, resource);
 456             //if not atomic - insert inner components as well
 457
 458             // TODO: This could potentially create a StackOverflowException if the call stack
 459
 460             // happens to be too large. Tail-recursive optimization should be used here.
 461             if (!ModelConverter.isAtomicComponent(componentRI)) {
 462                 addInnerComponentsToCache(componentCache, componentRI);
 463             }
 464         });
 465     }
 466
 467     private Component checkAndAddComponent(ComponentCache componentCache, ComponentInstance ci, Either<Resource, StorageOperationStatus> resource) {
 468         if (resource.isRight()) {
 469             LOGGER.debug("Failed to fetch resource with id {} for instance {}", ci.getComponentUid(), ci.getName());
 470         }
 471         Component componentRI = resource.left().value();
 472         Map<String, ArtifactDefinition> childToscaArtifacts = componentRI.getToscaArtifacts();
 473         ArtifactDefinition childArtifactDefinition = childToscaArtifacts.get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
 474         if (childArtifactDefinition != null) {
 475             //add to cache
 476             componentCache.put(childArtifactDefinition.getEsId(), childArtifactDefinition.getArtifactName(), componentRI);
 477         }
 478         return componentRI;
 479     }
 480
 481     private Either<byte[], ActionStatus> getEntryData(String cassandraId, Component childComponent) {
 482         if (cassandraId == null || cassandraId.isEmpty()) {
 483             return toscaExportUtils.exportComponent(childComponent).right().map(toscaErrorToActionStatus(childComponent)).left()
 484                 .map(ToscaRepresentation::getMainYaml);
 485         } else {
 486             return getFromCassandra(cassandraId);
 487         }
 488     }
 489
 490     private F<ToscaError, ActionStatus> toscaErrorToActionStatus(Component childComponent) {
 491         return toscaError -> {
 492             LOGGER.debug("Failed to export tosca template for child component {} error {}", childComponent.getUniqueId(), toscaError);
 493             return componentsUtils.convertFromToscaError(toscaError);
 494         };
 495     }
 496
 497     private Either<byte[], ResponseFormat> getLatestSchemaFilesFromCassandra() {
 498         String fto = versionFirstThreeOctets;
 499         return sdcSchemaFilesCassandraDao.getSpecificSchemaFiles(fto, CONFORMANCE_LEVEL).right().map(schemaFilesFetchDBError(fto)).left()
 500             .bind(iff(List::isEmpty, () -> schemaFileFetchError(fto), s -> Either.left(s.iterator().next().getPayloadAsArray())));
 501     }
 502
 503     private F<CassandraOperationStatus, ResponseFormat> schemaFilesFetchDBError(String firstThreeOctets) {
 504         return cos -> {
 505             LOGGER.debug("Failed to get the schema files SDC-Version: {} Conformance-Level {}. Please fix DB table accordingly.", firstThreeOctets,
 506                 CONFORMANCE_LEVEL);
 507             StorageOperationStatus sos = DaoStatusConverter.convertCassandraStatusToStorageStatus(cos);
 508             return componentsUtils.getResponseFormat(componentsUtils.convertFromStorageResponse(sos));
 509         };
 510     }
 511
 512     private Either<byte[], ResponseFormat> schemaFileFetchError(String firstThreeOctets) {
 513         LOGGER.debug("Failed to get the schema files SDC-Version: {} Conformance-Level {}", firstThreeOctets, CONFORMANCE_LEVEL);
 514         return Either.right(componentsUtils.getResponseFormat(ActionStatus.TOSCA_SCHEMA_FILES_NOT_FOUND, firstThreeOctets, CONFORMANCE_LEVEL));
 515     }
 516
 517     /**
 518      * Create a list of all derived nodes found on the package
 519      *
 520      * @param dependencies all node dependencies
 521      * @return a list of nodes
 522      */
 523     private List<String> findNonRootNodesFromPackage(final List<Triple<String, String, Component>> dependencies) {
 524         final List<String> nodes = new ArrayList<>();
 525         if (CollectionUtils.isNotEmpty(dependencies)) {
 526             final String NATIVE_ROOT = "tosca.nodes.Root";
 527             dependencies.forEach(dependency -> {
 528                 if (dependency.getRight() instanceof Resource) {
 529                     final Resource resource = (Resource) dependency.getRight();
 530                     if (CollectionUtils.isNotEmpty(resource.getDerivedList())) {
 531                         resource.getDerivedList().stream().filter(node -> !nodes.contains(node) && !NATIVE_ROOT.equalsIgnoreCase(node))
 532                             .forEach(node -> nodes.add(node));
 533                     }
 534                 }
 535             });
 536         }
 537         return nodes;
 538     }
 539
 540     /**
 541      * Writes to a CSAR zip from casandra schema data
 542      *
 543      * @param zipOutputStream  stores the input stream content
 544      * @param schemaFileZip    zip data from Cassandra
 545      * @param nodesFromPackage list of all nodes found on the onboarded package
 546      */
 547     private void addSchemaFilesFromCassandra(final ZipOutputStream zipOutputStream, final byte[] schemaFileZip, final List<String> nodesFromPackage,
 548                                              final String definitionsPath) {
 549         final int initSize = 2048;
 550         LOGGER.debug("Starting copy from Schema file zip to CSAR zip");
 551         try (final ZipInputStream zipInputStream = new ZipInputStream(new ByteArrayInputStream(
 552             schemaFileZip)); final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); final BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(
 553             byteArrayOutputStream, initSize)) {
 554             ZipEntry entry;
 555             while ((entry = zipInputStream.getNextEntry()) != null) {
 556                 ZipUtils.checkForZipSlipInRead(entry);
 557                 final String entryName = entry.getName();
 558                 int readSize = initSize;
 559                 final byte[] entryData = new byte[initSize];
 560                 if (shouldZipEntryBeHandled(entryName)) {
 561                     if (NODES_YML.equalsIgnoreCase(entryName)) {
 562                         handleNode(zipInputStream, byteArrayOutputStream, nodesFromPackage);
 563                     } else {
 564                         while ((readSize = zipInputStream.read(entryData, 0, readSize)) != -1) {
 565                             bufferedOutputStream.write(entryData, 0, readSize);
 566                         }
 567                         bufferedOutputStream.flush();
 568                     }
 569                     byteArrayOutputStream.flush();
 570                     zipOutputStream.putNextEntry(new ZipEntry(definitionsPath + entryName));
 571                     zipOutputStream.write(byteArrayOutputStream.toByteArray());
 572                     zipOutputStream.flush();
 573                     byteArrayOutputStream.reset();
 574                 }
 575             }
 576         } catch (final Exception e) {
 577             LOGGER.error("Error while writing the SDC schema file to the CSAR", e);
 578             throw new ByResponseFormatComponentException(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
 579         }
 580         LOGGER.debug("Finished copy from Schema file zip to CSAR zip");
 581     }
 582
 583     /**
 584      * Handles the nodes.yml zip entry, updating the nodes.yml to avoid duplicated nodes on it.
 585      *
 586      * @param zipInputStream        the zip entry to be read
 587      * @param byteArrayOutputStream an output stream in which the data is written into a byte array.
 588      * @param nodesFromPackage      list of all nodes found on the onboarded package
 589      */
 590     private void handleNode(final ZipInputStream zipInputStream, final ByteArrayOutputStream byteArrayOutputStream,
 591                             final List<String> nodesFromPackage) throws IOException {
 592         final Map<String, Object> nodesFromArtifactFile = readYamlZipEntry(zipInputStream);
 593         final Map<String, Object> nodesYaml = updateNodeYml(nodesFromPackage, nodesFromArtifactFile);
 594         updateZipEntry(byteArrayOutputStream, nodesYaml);
 595     }
 596
 597     /**
 598      * Updates the zip entry from the given parameters
 599      *
 600      * @param byteArrayOutputStream an output stream in which the data is written into a byte array.
 601      * @param nodesYaml             a Map of nodes to be written
 602      */
 603     private void updateZipEntry(final ByteArrayOutputStream byteArrayOutputStream, final Map<String, Object> nodesYaml) throws IOException {
 604         if (MapUtils.isNotEmpty(nodesYaml)) {
 605             byteArrayOutputStream.write(new YamlUtil().objectToYaml(nodesYaml).getBytes());
 606         }
 607     }
 608
 609     /**
 610      * Filters and removes all duplicated nodes found
 611      *
 612      * @param nodesFromPackage      a List of all derived nodes found on the given package
 613      * @param nodesFromArtifactFile represents the nodes.yml file stored in Cassandra
 614      * @return a nodes Map updated
 615      */
 616     private Map<String, Object> updateNodeYml(final List<String> nodesFromPackage, final Map<String, Object> nodesFromArtifactFile) {
 617         if (MapUtils.isNotEmpty(nodesFromArtifactFile)) {
 618             final String nodeTypeBlock = TypeUtils.ToscaTagNamesEnum.NODE_TYPES.getElementName();
 619             final Map<String, Object> nodeTypes = (Map<String, Object>) nodesFromArtifactFile.get(nodeTypeBlock);
 620             nodesFromPackage.stream().filter(nodeTypes::containsKey).forEach(nodeTypes::remove);
 621             nodesFromArtifactFile.replace(nodeTypeBlock, nodeTypes);
 622         }
 623         return nodesFromArtifactFile;
 624     }
 625
 626     /**
 627      * Writes a new zip entry
 628      *
 629      * @param zipInputStream the zip entry to be read
 630      * @return a map of the given zip entry
 631      */
 632     private Map<String, Object> readYamlZipEntry(final ZipInputStream zipInputStream) throws IOException {
 633         final int initSize = 2048;
 634         final StringBuilder zipEntry = new StringBuilder();
 635         final byte[] buffer = new byte[initSize];
 636         int read = 0;
 637         while ((read = zipInputStream.read(buffer, 0, initSize)) >= 0) {
 638             zipEntry.append(new String(buffer, 0, read));
 639         }
 640         return (Map<String, Object>) new Yaml().load(zipEntry.toString());
 641     }
 642
 643     /**
 644      * Checks if the zip entry should or should not be added to the CSAR based on the given global type list
 645      *
 646      * @param entryName the zip entry name
 647      * @return true if the zip entry should be handled
 648      */
 649     private boolean shouldZipEntryBeHandled(final String entryName) {
 650         return ConfigurationManager.getConfigurationManager().getConfiguration().getGlobalCsarImports().stream()
 651             .anyMatch(entry -> entry.contains(entryName));
 652     }
 653
 654     private void addSchemaFilesByModel(final ZipOutputStream zipOutputStream, final String modelName,
 655                                        final String definitionsPath, final boolean isSingleImportsFile) {
 656         try {
 657             final List<ToscaImportByModel> modelDefaultImportList = modelOperation.findAllModelImports(modelName, true);
 658             final Set<Path> writtenEntryPathList = new HashSet<>();
 659             final var defsPath = Path.of(definitionsPath);
 660             Map<Path, byte[]> contentToMerge = new HashMap<>();
 661             for (final ToscaImportByModel toscaImportByModel : modelDefaultImportList) {
 662                 var importPath = Path.of(toscaImportByModel.getFullPath());
 663                 if (!isSingleImportsFile) {
 664                     if (ADDITIONAL_TYPE_DEFINITIONS.equals(Paths.get(String.valueOf(importPath)).normalize().toString())) {
 665                         final Path entryPath = defsPath.resolve(importPath);
 666                         contentToMerge.put(entryPath, toscaImportByModel.getContent().getBytes(StandardCharsets.UTF_8));
 667                     } else {
 668                         if (writtenEntryPathList.contains(defsPath.resolve(importPath))) {
 669                             importPath = ToscaDefaultImportHelper.addModelAsFilePrefix(importPath, toscaImportByModel.getModelId());
 670                         }
 671                         final Path entryPath = defsPath.resolve(importPath);
 672                         writtenEntryPathList.add(entryPath);
 673                         contentToMerge.put(entryPath, toscaImportByModel.getContent().getBytes(StandardCharsets.UTF_8));
 674                     }
 675                 } else {
 676                     if (writtenEntryPathList.contains(defsPath.resolve(importPath))) {
 677                         importPath = ToscaDefaultImportHelper.addModelAsFilePrefix(importPath, toscaImportByModel.getModelId());
 678                     }
 679                     final Path entryPath = defsPath.resolve(importPath);
 680                     zipOutputStream.putNextEntry(new ZipEntry(entryPath.toString()));
 681                     writtenEntryPathList.add(entryPath);
 682                     final byte[] content = toscaImportByModel.getContent().getBytes(StandardCharsets.UTF_8);
 683                     zipOutputStream.write(content, 0, content.length);
 684                     zipOutputStream.closeEntry();
 685                 }
 686             }
 687             if (!isSingleImportsFile) {
 688                 byte[] mergingContent = new byte[0];
 689                 for (Map.Entry<Path, byte[]> entry : contentToMerge.entrySet()) {
 690                     if (ADDITIONAL_TYPE_DEFINITIONS.equals(Paths.get(String.valueOf(entry.getKey())).normalize().toString())) {
 691                         mergingContent = mergeContent(mergingContent, entry.getValue());
 692                     } else {
 693                         final var zipEntry = new ZipEntry(entry.getKey().toString());
 694                         zipOutputStream.putNextEntry(zipEntry);
 695                         writtenEntryPathList.add(entry.getKey());
 696                         mergingContent = mergeContent(mergingContent, entry.getValue());
 697                         zipOutputStream.write(mergingContent, 0, mergingContent.length);
 698                         zipOutputStream.closeEntry();
 699                     }
 700                 }
 701             }
 702         } catch (final IOException e) {
 703             LOGGER.error(String.valueOf(EcompLoggerErrorCode.BUSINESS_PROCESS_ERROR), CsarUtils.class.getName(),
 704                 "Error while writing the schema files by model to the CSAR", e);
 705             throw new ByResponseFormatComponentException(componentsUtils.getResponseFormat(ActionStatus.CSAR_TOSCA_IMPORTS_ERROR));
 706         }
 707     }
 708
 709     private byte[] mergeContent(final byte[] first, final byte[] second) {
 710         byte[] merged = new byte[0];
 711         final Map<String, Object> firstMap = new Yaml().load(new String(first));
 712         final Map<String, Object> secondMap = new Yaml().load(new String(second));
 713         if (MapUtils.isNotEmpty(secondMap)) {
 714             final DumperOptions options = new DumperOptions();
 715             options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
 716             final Yaml yaml = new Yaml(options);
 717             for (final Entry<String, Object> secondMapEntry : secondMap.entrySet()) {
 718                 final Map<String, Object> newMap = new HashMap<>();
 719                 if (secondMapEntry.getKey().endsWith("_types")) {
 720                     if (MapUtils.isNotEmpty(firstMap) && firstMap.containsKey(secondMapEntry.getKey())) {
 721                         final Map<String, Object> secondMapEntryValue = (Map<String, Object>) secondMapEntry.getValue();
 722                         final Map<String, Object> firstMapValue = (Map<String, Object>) firstMap.get(secondMapEntry.getKey());
 723                         secondMapEntryValue.putAll(firstMapValue);
 724                         newMap.put(secondMapEntry.getKey(), secondMapEntryValue);
 725                     } else {
 726                         newMap.put(secondMapEntry.getKey(), secondMapEntry.getValue());
 727                     }
 728                 } else {
 729                     newMap.put(secondMapEntry.getKey(), secondMapEntry.getValue());
 730                 }
 731                 merged = Bytes.concat(merged, yaml.dumpAsMap(newMap).getBytes());
 732             }
 733         }
 734         return merged;
 735     }
 736
 737     private Either<CsarDefinition, ResponseFormat> collectComponentCsarDefinition(Component component) {
 738         ComponentArtifacts componentArtifacts = new ComponentArtifacts();
 739         Component updatedComponent = component;
 740
 741         //get service to receive the AII artifacts uploaded to the service
 742         if (updatedComponent.getComponentType() == ComponentTypeEnum.SERVICE) {
 743             Either<Service, StorageOperationStatus> getServiceResponse = toscaOperationFacade.getToscaElement(updatedComponent.getUniqueId());
 744
 745             if (getServiceResponse.isRight()) {
 746                 ActionStatus actionStatus = componentsUtils.convertFromStorageResponse(getServiceResponse.right().value());
 747                 return Either.right(componentsUtils.getResponseFormat(actionStatus));
 748             }
 749
 750             updatedComponent = getServiceResponse.left().value();
 751         }
 752
 753         //find the artifacts of the main component, it would have its composed instances artifacts in a separate folder
 754         ComponentTypeArtifacts componentInstanceArtifacts = new ComponentTypeArtifacts();
 755         ArtifactsInfo artifactsInfo = collectComponentArtifacts(updatedComponent);
 756         componentInstanceArtifacts.setComponentArtifacts(artifactsInfo);
 757         componentArtifacts.setMainTypeAndCIArtifacts(componentInstanceArtifacts);
 758
 759         Map<String, ComponentTypeArtifacts> resourceTypeArtifacts = componentArtifacts
 760             .getComponentTypeArtifacts();    //artifacts mapped by the component type(tosca name+version)
 761         //get the component instances
 762         List<ComponentInstance> componentInstances = updatedComponent.getComponentInstances();
 763         if (componentInstances != null) {
 764             for (ComponentInstance componentInstance : componentInstances) {
 765                 //call recursive to find artifacts for all the path
 766                 Either<Boolean, ResponseFormat> collectComponentInstanceArtifacts = collectComponentInstanceArtifacts(
 767                     updatedComponent, componentInstance, resourceTypeArtifacts, componentInstanceArtifacts);
 768                 if (collectComponentInstanceArtifacts.isRight()) {
 769                     return Either.right(collectComponentInstanceArtifacts.right().value());
 770                 }
 771             }
 772         }
 773
 774         if (LOGGER.isDebugEnabled()) {
 775             printResult(componentArtifacts, updatedComponent.getName());
 776         }
 777
 778         return Either.left(new CsarDefinition(componentArtifacts));
 779     }
 780
 781     private void printResult(ComponentArtifacts componentArtifacts, String name) {
 782         StringBuilder result = new StringBuilder();
 783         result.append("Artifacts of main component " + name + "\n");
 784         ComponentTypeArtifacts componentInstanceArtifacts = componentArtifacts.getMainTypeAndCIArtifacts();
 785         printArtifacts(componentInstanceArtifacts);
 786         result.append("Type Artifacts\n");
 787         for (Map.Entry<String, ComponentTypeArtifacts> typeArtifacts : componentArtifacts.getComponentTypeArtifacts().entrySet()) {
 788             result.append("Folder " + typeArtifacts.getKey() + "\n");
 789             result.append(printArtifacts(typeArtifacts.getValue()));
 790         }
 791
 792         if (LOGGER.isDebugEnabled()) {
 793             LOGGER.debug(result.toString());
 794         }
 795     }
 796
 797     private String printArtifacts(ComponentTypeArtifacts componentInstanceArtifacts) {
 798         StringBuilder result = new StringBuilder();
 799         ArtifactsInfo artifactsInfo = componentInstanceArtifacts.getComponentArtifacts();
 800         Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> componentArtifacts = artifactsInfo.getArtifactsInfo();
 801         printArtifacts(componentArtifacts);
 802         result = result.append("Resources\n");
 803         for (Map.Entry<String, ArtifactsInfo> resourceInstance : componentInstanceArtifacts.getComponentInstancesArtifacts().entrySet()) {
 804             result.append("Folder" + resourceInstance.getKey() + "\n");
 805             result.append(printArtifacts(resourceInstance.getValue().getArtifactsInfo()));
 806         }
 807
 808         return result.toString();
 809     }
 810
 811     private String printArtifacts(Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> componetArtifacts) {
 812         StringBuilder result = new StringBuilder();
 813         for (Map.Entry<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactGroup : componetArtifacts.entrySet()) {
 814             result.append("    " + artifactGroup.getKey().getType());
 815             for (Map.Entry<String, List<ArtifactDefinition>> groupArtifacts : artifactGroup.getValue().entrySet()) {
 816                 result.append("        " + groupArtifacts.getKey());
 817                 for (ArtifactDefinition artifact : groupArtifacts.getValue()) {
 818                     result.append("            " + artifact.getArtifactDisplayName());
 819                 }
 820             }
 821         }
 822
 823         return result.toString();
 824     }
 825
 826     private Either<Boolean, ResponseFormat> collectComponentInstanceArtifacts(Component parentComponent, ComponentInstance componentInstance,
 827                                                                               Map<String, ComponentTypeArtifacts> resourcesTypeArtifacts,
 828                                                                               ComponentTypeArtifacts instanceArtifactsLocation) {
 829         //1. get the component instance component
 830         String componentUid;
 831         if (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy) {
 832             componentUid = componentInstance.getSourceModelUid();
 833         } else {
 834             componentUid = componentInstance.getComponentUid();
 835         }
 836         Either<Component, StorageOperationStatus> component = toscaOperationFacade.getToscaElement(componentUid);
 837         if (component.isRight()) {
 838             LOGGER.error("Failed to fetch resource with id {} for instance {}", componentUid, parentComponent.getUUID());
 839             return Either.right(componentsUtils.getResponseFormat(ActionStatus.ASSET_NOT_FOUND_DURING_CSAR_CREATION,
 840                 parentComponent.getComponentType().getValue(), parentComponent.getUUID(),
 841                 componentInstance.getOriginType().getComponentType().getValue(), componentUid));
 842         }
 843         Component fetchedComponent = component.left().value();
 844
 845         //2. fill the artifacts for the current component parent type
 846         String toscaComponentName =
 847             componentInstance.getToscaComponentName() + "_v" + componentInstance.getComponentVersion();
 848
 849         // if there are no artifacts for this component type we need to fetch and build them
 850         ComponentTypeArtifacts componentParentArtifacts = Optional
 851             .ofNullable(resourcesTypeArtifacts.get(toscaComponentName))
 852             .orElseGet(() -> collectComponentTypeArtifacts(fetchedComponent));
 853
 854         if (componentParentArtifacts.getComponentArtifacts().isNotEmpty()) {
 855             resourcesTypeArtifacts.put(toscaComponentName, componentParentArtifacts);
 856         }
 857
 858         //3. find the artifacts specific to the instance
 859         Map<String, List<ArtifactDefinition>> componentInstanceSpecificInformationalArtifacts =
 860             getComponentInstanceSpecificArtifacts(componentInstance.getArtifacts(),
 861                 componentParentArtifacts.getComponentArtifacts().getArtifactsInfo(), ArtifactGroupTypeEnum.INFORMATIONAL);
 862         Map<String, List<ArtifactDefinition>> componentInstanceSpecificDeploymentArtifacts =
 863             getComponentInstanceSpecificArtifacts(componentInstance.getDeploymentArtifacts(),
 864                 componentParentArtifacts.getComponentArtifacts().getArtifactsInfo(), ArtifactGroupTypeEnum.DEPLOYMENT);
 865
 866         //4. add the instances artifacts to the component type
 867         ArtifactsInfo artifactsInfo = new ArtifactsInfo();
 868         if (!componentInstanceSpecificInformationalArtifacts.isEmpty()) {
 869             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.INFORMATIONAL, componentInstanceSpecificInformationalArtifacts);
 870         }
 871         if (!componentInstanceSpecificDeploymentArtifacts.isEmpty()) {
 872             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.DEPLOYMENT, componentInstanceSpecificDeploymentArtifacts);
 873         }
 874         if (!artifactsInfo.isEmpty()) {
 875             instanceArtifactsLocation.addComponentInstancesArtifacts(componentInstance.getNormalizedName(), artifactsInfo);
 876         }
 877
 878         //5. do the same for all the component instances
 879         List<ComponentInstance> componentInstances = fetchedComponent.getComponentInstances();
 880         if (componentInstances != null) {
 881             for (ComponentInstance childComponentInstance : componentInstances) {
 882                 Either<Boolean, ResponseFormat> collectComponentInstanceArtifacts = collectComponentInstanceArtifacts(
 883                     fetchedComponent, childComponentInstance, resourcesTypeArtifacts, componentParentArtifacts);
 884                 if (collectComponentInstanceArtifacts.isRight()) {
 885                     return collectComponentInstanceArtifacts;
 886                 }
 887             }
 888         }
 889
 890         return Either.left(true);
 891     }
 892
 893     private Map<String, List<ArtifactDefinition>> getComponentInstanceSpecificArtifacts(Map<String, ArtifactDefinition> componentArtifacts,
 894                                                                                         Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> componentTypeArtifacts,
 895                                                                                         ArtifactGroupTypeEnum artifactGroupTypeEnum) {
 896         Map<String, List<ArtifactDefinition>> parentArtifacts = componentTypeArtifacts
 897             .get(artifactGroupTypeEnum);    //the artfiacts of the component itself and not the instance
 898
 899         Map<String, List<ArtifactDefinition>> artifactsByTypeOfComponentInstance = new HashMap<>();
 900         if (componentArtifacts != null) {
 901             for (ArtifactDefinition artifact : componentArtifacts.values()) {
 902                 List<ArtifactDefinition> parentArtifactsByType = null;
 903                 if (parentArtifacts != null) {
 904                     parentArtifactsByType = parentArtifacts.get(artifact.getArtifactType());
 905                 }
 906                 //the artifact is of instance
 907                 if (parentArtifactsByType == null || !parentArtifactsByType.contains(artifact)) {
 908                     List<ArtifactDefinition> typeArtifacts = artifactsByTypeOfComponentInstance.get(artifact.getArtifactType());
 909                     if (typeArtifacts == null) {
 910                         typeArtifacts = new ArrayList<>();
 911                         artifactsByTypeOfComponentInstance.put(artifact.getArtifactType(), typeArtifacts);
 912                     }
 913                     typeArtifacts.add(artifact);
 914                 }
 915             }
 916         }
 917
 918         return artifactsByTypeOfComponentInstance;
 919     }
 920
 921     private ComponentTypeArtifacts collectComponentTypeArtifacts(Component fetchedComponent) {
 922         ArtifactsInfo componentArtifacts = collectComponentArtifacts(fetchedComponent);
 923         ComponentTypeArtifacts componentArtifactsInfo = new ComponentTypeArtifacts();
 924         if (componentArtifacts.isNotEmpty()) {
 925             componentArtifactsInfo.setComponentArtifacts(componentArtifacts);
 926         }
 927         return componentArtifactsInfo;
 928     }
 929
 930     private ArtifactsInfo collectComponentArtifacts(Component component) {
 931         Map<String, ArtifactDefinition> informationalArtifacts = component.getArtifacts();
 932         Map<String, List<ArtifactDefinition>> informationalArtifactsByType = collectGroupArtifacts(informationalArtifacts);
 933         Map<String, ArtifactDefinition> deploymentArtifacts = component.getDeploymentArtifacts();
 934         Map<String, List<ArtifactDefinition>> deploymentArtifactsByType = collectGroupArtifacts(deploymentArtifacts);
 935         ArtifactsInfo artifactsInfo = new ArtifactsInfo();
 936         if (!informationalArtifactsByType.isEmpty()) {
 937             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.INFORMATIONAL, informationalArtifactsByType);
 938         }
 939         if (!deploymentArtifactsByType.isEmpty()) {
 940             artifactsInfo.addArtifactsToGroup(ArtifactGroupTypeEnum.DEPLOYMENT, deploymentArtifactsByType);
 941         }
 942
 943         return artifactsInfo;
 944     }
 945
 946     private Map<String, List<ArtifactDefinition>> collectGroupArtifacts(
 947         final Map<String, ArtifactDefinition> componentArtifacts) {
 948         final Map<String, List<ArtifactDefinition>> artifactsByType = new HashMap<>();
 949         for (final ArtifactDefinition artifact : componentArtifacts.values()) {
 950             if (artifact.getArtifactUUID() != null) {
 951                 artifactsByType.putIfAbsent(artifact.getArtifactType(), new ArrayList<>());
 952                 final List<ArtifactDefinition> typeArtifacts = artifactsByType.get(artifact.getArtifactType());
 953                 typeArtifacts.add(artifact);
 954             }
 955         }
 956         return artifactsByType;
 957     }
 958
 959     private Either<ZipOutputStream, ResponseFormat> writeAllFilesToCsar(Component mainComponent, CsarDefinition csarDefinition,
 960                                                                         ZipOutputStream zipstream, boolean isInCertificationRequest)
 961         throws IOException {
 962         ComponentArtifacts componentArtifacts = csarDefinition.getComponentArtifacts();
 963         Either<ZipOutputStream, ResponseFormat> writeComponentArtifactsToSpecifiedPath = writeComponentArtifactsToSpecifiedPath(mainComponent,
 964             componentArtifacts, zipstream, ARTIFACTS_PATH, isInCertificationRequest);
 965         if (writeComponentArtifactsToSpecifiedPath.isRight()) {
 966             return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
 967         }
 968         ComponentTypeArtifacts mainTypeAndCIArtifacts = componentArtifacts.getMainTypeAndCIArtifacts();
 969         writeComponentArtifactsToSpecifiedPath = writeArtifactsInfoToSpecifiedPath(mainComponent, mainTypeAndCIArtifacts.getComponentArtifacts(),
 970             zipstream, ARTIFACTS_PATH, isInCertificationRequest);
 971         if (writeComponentArtifactsToSpecifiedPath.isRight()) {
 972             return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
 973         }
 974         Map<String, ArtifactsInfo> componentInstancesArtifacts = mainTypeAndCIArtifacts.getComponentInstancesArtifacts();
 975         String currentPath = ARTIFACTS_PATH + RESOURCES_PATH;
 976         for (String keyAssetName : componentInstancesArtifacts.keySet()) {
 977             ArtifactsInfo artifactsInfo = componentInstancesArtifacts.get(keyAssetName);
 978             String pathWithAssetName = currentPath + keyAssetName + PATH_DELIMITER;
 979             writeComponentArtifactsToSpecifiedPath = writeArtifactsInfoToSpecifiedPath(mainComponent, artifactsInfo, zipstream, pathWithAssetName,
 980                 isInCertificationRequest);
 981             if (writeComponentArtifactsToSpecifiedPath.isRight()) {
 982                 return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
 983             }
 984         }
 985         writeComponentArtifactsToSpecifiedPath = writeOperationsArtifactsToCsar(mainComponent, zipstream);
 986         if (writeComponentArtifactsToSpecifiedPath.isRight()) {
 987             return Either.right(writeComponentArtifactsToSpecifiedPath.right().value());
 988         }
 989         return Either.left(zipstream);
 990     }
 991
 992     private Either<ZipOutputStream, ResponseFormat> writeOperationsArtifactsToCsar(Component component, ZipOutputStream zipstream) {
 993         if (checkComponentBeforeOperation(component)) {
 994             return Either.left(zipstream);
 995         }
 996         for (Map.Entry<String, InterfaceDefinition> interfaceEntry : ((Resource) component).getInterfaces().entrySet()) {
 997             for (OperationDataDefinition operation : interfaceEntry.getValue().getOperations().values()) {
 998                 try {
 999                     if (checkComponentBeforeWrite(component, interfaceEntry, operation)) {
1000                         continue;
1001                     }
1002                     final String artifactUUID = operation.getImplementation().getArtifactUUID();
1003                     if (artifactUUID == null) {
1004                         continue;
1005                     }
1006                     final Either<byte[], ActionStatus> artifactFromCassandra = getFromCassandra(artifactUUID);
1007                     final String artifactName = operation.getImplementation().getArtifactName();
1008                     if (artifactFromCassandra.isRight()) {
1009                         LOGGER.error(ARTIFACT_NAME_UNIQUE_ID, artifactName, artifactUUID);
1010                         LOGGER.error("Failed to get {} payload from DB reason: {}", artifactName, artifactFromCassandra.right().value());
1011                         return Either.right(componentsUtils.getResponseFormat(
1012                             ARTIFACT_PAYLOAD_NOT_FOUND_DURING_CSAR_CREATION, "Resource", component.getUniqueId(), artifactName, artifactUUID));
1013                     }
1014                     zipstream.putNextEntry(new ZipEntry(OperationArtifactUtil.createOperationArtifactPath(component, null, operation, true)));
1015                     zipstream.write(artifactFromCassandra.left().value());
1016                 } catch (IOException e) {
1017                     LOGGER.error("Component Name {},  Interface Name {}, Operation Name {}", component.getNormalizedName(), interfaceEntry.getKey(),
1018                         operation.getName());
1019                     LOGGER.error("Error while writing the operation's artifacts to the CSAR", e);
1020                     return Either.right(componentsUtils.getResponseFormat(ERROR_DURING_CSAR_CREATION, "Resource", component.getUniqueId()));
1021                 }
1022             }
1023         }
1024         return Either.left(zipstream);
1025     }
1026
1027     private boolean checkComponentBeforeWrite(Component component, Map.Entry<String, InterfaceDefinition> interfaceEntry,
1028                                               OperationDataDefinition operation) {
1029         final ArtifactDataDefinition implementation = operation.getImplementation();
1030         if (implementation == null) {
1031             LOGGER.debug("Component Name {}, Interface Id {}, Operation Name {} - no Operation Implementation found", component.getNormalizedName(),
1032                 interfaceEntry.getValue().getUniqueId(), operation.getName());
1033             return true;
1034         }
1035         final String artifactName = implementation.getArtifactName();
1036         if (artifactName == null) {
1037             LOGGER.debug("Component Name {}, Interface Id {}, Operation Name {} - no artifact found", component.getNormalizedName(),
1038                 interfaceEntry.getValue().getUniqueId(), operation.getName());
1039             return true;
1040         }
1041         if (OperationArtifactUtil.artifactNameIsALiteralValue(artifactName)) {
1042             LOGGER.debug("Component Name {}, Interface Id {}, Operation Name {} - artifact name is a literal value rather than an SDC artifact",
1043                 component.getNormalizedName(), interfaceEntry.getValue().getUniqueId(), operation.getName());
1044             return true;
1045         }
1046         return false;
1047     }
1048
1049     private boolean checkComponentBeforeOperation(Component component) {
1050         if (component instanceof Service) {
1051             return true;
1052         }
1053         if (Objects.isNull(((Resource) component).getInterfaces())) {
1054             LOGGER.debug("Component Name {}- no interfaces found", component.getNormalizedName());
1055             return true;
1056         }
1057         return false;
1058     }
1059
1060     private Either<ZipOutputStream, ResponseFormat> writeArtifactsInfoToSpecifiedPath(final Component mainComponent,
1061                                                                                       final ArtifactsInfo currArtifactsInfo,
1062                                                                                       final ZipOutputStream zip, final String path,
1063                                                                                       final boolean isInCertificationRequest) throws IOException {
1064         final Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactsInfo = currArtifactsInfo.getArtifactsInfo();
1065         for (final ArtifactGroupTypeEnum artifactGroupTypeEnum : artifactsInfo.keySet()) {
1066             final String groupTypeFolder = path + WordUtils.capitalizeFully(artifactGroupTypeEnum.getType()) + PATH_DELIMITER;
1067             final Map<String, List<ArtifactDefinition>> artifactTypesMap = artifactsInfo.get(artifactGroupTypeEnum);
1068             for (final String artifactType : artifactTypesMap.keySet()) {
1069                 final List<ArtifactDefinition> artifactDefinitionList = artifactTypesMap.get(artifactType);
1070                 String artifactTypeFolder = groupTypeFolder + artifactType + PATH_DELIMITER;
1071                 if (ArtifactTypeEnum.WORKFLOW.getType().equals(artifactType) && path.contains(ARTIFACTS_PATH + RESOURCES_PATH)) {
1072                     // Ignore this packaging as BPMN artifacts needs to be packaged in different manner
1073                     continue;
1074                 }
1075                 if (ArtifactTypeEnum.WORKFLOW.getType().equals(artifactType)) {
1076                     artifactTypeFolder += OperationArtifactUtil.BPMN_ARTIFACT_PATH + File.separator;
1077                 } else if (ArtifactTypeEnum.ONBOARDED_PACKAGE.getType().equals(artifactType)) {
1078                     // renaming legacy folder ONBOARDED_PACKAGE to the new folder ETSI_PACKAGE
1079                     artifactTypeFolder = artifactTypeFolder
1080                         .replace(ArtifactTypeEnum.ONBOARDED_PACKAGE.getType(), ArtifactTypeEnum.ETSI_PACKAGE.getType());
1081                 }
1082                 // TODO: We should not do this but in order to keep this refactoring small enough,
1083
1084                 // we'll leave this as is for now
1085                 List<ArtifactDefinition> collect = filterArtifactDefinitionToZip(mainComponent, artifactDefinitionList, isInCertificationRequest)
1086                     .collect(Collectors.toList());
1087                 for (ArtifactDefinition ad : collect) {
1088                     zip.putNextEntry(new ZipEntry(artifactTypeFolder + ad.getArtifactName()));
1089                     zip.write(ad.getPayloadData());
1090                 }
1091             }
1092         }
1093         return Either.left(zip);
1094     }
1095
1096     private Stream<ArtifactDefinition> filterArtifactDefinitionToZip(Component mainComponent, List<ArtifactDefinition> artifactDefinitionList,
1097                                                                      boolean isInCertificationRequest) {
1098         return artifactDefinitionList.stream().filter(shouldBeInZip(isInCertificationRequest, mainComponent)).map(this::fetchPayLoadData)
1099             .filter(Either::isLeft).map(e -> e.left().value());
1100     }
1101
1102     private Predicate<ArtifactDefinition> shouldBeInZip(boolean isInCertificationRequest, Component component) {
1103         return artifactDefinition -> !(!isInCertificationRequest && component.isService() && artifactDefinition.isHeatEnvType() || artifactDefinition
1104             .hasNoMandatoryEsId());
1105     }
1106
1107     private Either<ArtifactDefinition, ActionStatus> fetchPayLoadData(ArtifactDefinition ad) {
1108         byte[] payloadData = ad.getPayloadData();
1109         if (payloadData == null) {
1110             return getFromCassandra(ad.getEsId()).left().map(pd -> {
1111                 ad.setPayload(pd);
1112                 return ad;
1113             }).right().map(as -> {
1114                 LOGGER.debug(ARTIFACT_NAME_UNIQUE_ID, ad.getArtifactName(), ad.getUniqueId());
1115                 LOGGER.debug("Failed to get {} payload from DB reason: {}", ad.getArtifactName(), as);
1116                 return as;
1117             });
1118         } else {
1119             return Either.left(ad);
1120         }
1121     }
1122
1123     private Either<ZipOutputStream, ResponseFormat> writeComponentArtifactsToSpecifiedPath(Component mainComponent,
1124                                                                                            ComponentArtifacts componentArtifacts,
1125                                                                                            ZipOutputStream zipstream, String currentPath,
1126                                                                                            boolean isInCertificationRequest) throws IOException {
1127         Map<String, ComponentTypeArtifacts> componentTypeArtifacts = componentArtifacts.getComponentTypeArtifacts();
1128         //Keys are defined:
1129
1130         //<Inner Asset TOSCA name (e.g. VFC name)> folder name: <Inner Asset TOSCA name (e.g. VFC name)>_v<version>.
1131
1132         //E.g. "org.openecomp.resource.vf.vipr_atm_v1.0"
1133         Set<String> componentTypeArtifactsKeys = componentTypeArtifacts.keySet();
1134         for (String keyAssetName : componentTypeArtifactsKeys) {
1135             ComponentTypeArtifacts componentInstanceArtifacts = componentTypeArtifacts.get(keyAssetName);
1136             ArtifactsInfo componentArtifacts2 = componentInstanceArtifacts.getComponentArtifacts();
1137             String pathWithAssetName = currentPath + keyAssetName + PATH_DELIMITER;
1138             Either<ZipOutputStream, ResponseFormat> writeArtifactsInfoToSpecifiedPath = writeArtifactsInfoToSpecifiedPath(mainComponent,
1139                 componentArtifacts2, zipstream, pathWithAssetName, isInCertificationRequest);
1140             if (writeArtifactsInfoToSpecifiedPath.isRight()) {
1141                 return writeArtifactsInfoToSpecifiedPath;
1142             }
1143         }
1144         return Either.left(zipstream);
1145     }
1146
1147     private Either<ToscaRepresentation, ResponseFormat> generateToscaRepresentation(Component component, boolean isSkipImports) {
1148         return toscaExportUtils.exportComponent(component, isSkipImports).right().map(toscaError -> {
1149             LOGGER.debug("exportComponent failed {}", toscaError);
1150             return componentsUtils.getResponseFormat(componentsUtils.convertFromToscaError(toscaError));
1151         });
1152     }
1153
1154     private String createToscaBlock0(String metaFileVersion, String csarVersion, String createdBy, String entryDef, boolean isAsdPackage,
1155                                      String definitionsPath, boolean isSkipImports) {
1156         final String block0template = "TOSCA-Meta-File-Version: %s\nCSAR-Version: %s\nCreated-By: %s\nEntry-Definitions: "
1157             + definitionsPath + "%s\n%s\n" + (!isSkipImports ? "Name: csar.meta\nContent-Type: text/plain\n" : "");
1158         return String.format(block0template, metaFileVersion, csarVersion, createdBy, entryDef, isAsdPackage ? "entry_definition_type: asd" : "");
1159     }
1160
1161     private class CsarDefinition {
1162
1163         private ComponentArtifacts componentArtifacts;
1164
1165         // add list of tosca artifacts and meta describes CSAR zip root
1166         public CsarDefinition(ComponentArtifacts componentArtifacts) {
1167             this.componentArtifacts = componentArtifacts;
1168         }
1169
1170         public ComponentArtifacts getComponentArtifacts() {
1171             return componentArtifacts;
1172         }
1173     }
1174
1175     private class ComponentArtifacts {
1176
1177         //artifacts of the component and CI's artifacts contained in it's composition (represents Informational, Deployment & Resource folders of main component)
1178         private ComponentTypeArtifacts mainTypeAndCIArtifacts;
1179         //artifacts of all component types mapped by their tosca name
1180         private Map<String, ComponentTypeArtifacts> componentTypeArtifacts;
1181
1182         public ComponentArtifacts() {
1183             mainTypeAndCIArtifacts = new ComponentTypeArtifacts();
1184             componentTypeArtifacts = new HashMap<>();
1185         }
1186
1187         public ComponentTypeArtifacts getMainTypeAndCIArtifacts() {
1188             return mainTypeAndCIArtifacts;
1189         }
1190
1191         public void setMainTypeAndCIArtifacts(ComponentTypeArtifacts componentInstanceArtifacts) {
1192             this.mainTypeAndCIArtifacts = componentInstanceArtifacts;
1193         }
1194
1195         public Map<String, ComponentTypeArtifacts> getComponentTypeArtifacts() {
1196             return componentTypeArtifacts;
1197         }
1198     }
1199
1200     /**
1201      * The artifacts of the component and of all its composed instances
1202      */
1203     private class ComponentTypeArtifacts {
1204
1205         private ArtifactsInfo componentArtifacts;    //component artifacts (describes the Informational Deployment folders)
1206
1207         private Map<String, ArtifactsInfo> componentInstancesArtifacts;        //artifacts of the composed instances mapped by the resourceInstance normalized name (describes the Resources folder)
1208
1209         public ComponentTypeArtifacts() {
1210             componentArtifacts = new ArtifactsInfo();
1211             componentInstancesArtifacts = new HashMap<>();
1212         }
1213
1214         public ArtifactsInfo getComponentArtifacts() {
1215             return componentArtifacts;
1216         }
1217
1218         public void setComponentArtifacts(ArtifactsInfo artifactsInfo) {
1219             this.componentArtifacts = artifactsInfo;
1220         }
1221
1222         public Map<String, ArtifactsInfo> getComponentInstancesArtifacts() {
1223             return componentInstancesArtifacts;
1224         }
1225
1226         public void addComponentInstancesArtifacts(String normalizedName, ArtifactsInfo artifactsInfo) {
1227             componentInstancesArtifacts.put(normalizedName, artifactsInfo);
1228         }
1229     }
1230
1231     /**
1232      * The artifacts Definition saved by their structure
1233      */
1234     private class ArtifactsInfo {
1235         //Key is the type of artifacts(Informational/Deployment)
1236
1237         //Value is a map between an artifact type and a list of all artifacts of this type
1238         private Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> artifactsInfoField;
1239
1240         public ArtifactsInfo() {
1241             this.artifactsInfoField = new EnumMap<>(ArtifactGroupTypeEnum.class);
1242         }
1243
1244         public Map<ArtifactGroupTypeEnum, Map<String, List<ArtifactDefinition>>> getArtifactsInfo() {
1245             return artifactsInfoField;
1246         }
1247
1248         public void addArtifactsToGroup(ArtifactGroupTypeEnum artifactGroup, Map<String, List<ArtifactDefinition>> artifactsDefinition) {
1249             if (artifactsInfoField.get(artifactGroup) == null) {
1250                 artifactsInfoField.put(artifactGroup, artifactsDefinition);
1251             } else {
1252                 Map<String, List<ArtifactDefinition>> artifactTypeEnumListMap = artifactsInfoField.get(artifactGroup);
1253                 artifactTypeEnumListMap.putAll(artifactsDefinition);
1254                 artifactsInfoField.put(artifactGroup, artifactTypeEnumListMap);
1255             }
1256         }
1257
1258         public boolean isEmpty() {
1259             return artifactsInfoField.isEmpty();
1260         }
1261
1262         public boolean isNotEmpty() {
1263             return !isEmpty();
1264         }
1265     }
1266
1267     public static class ToscaErrorException extends Exception {
1268
1269         ToscaErrorException(ToscaError error) {
1270             super("Error while exporting component's interface (toscaError:" + error + ")");
1271         }
1272     }
1273
1274 }