Support TOSCA functions in sub properties
[sdc.git] / catalog-be / src / main / java / org / openecomp / sdc / be / components / impl / CategoriesImportManager.java
index 26ea80a..39ff001 100644 (file)
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-
 package org.openecomp.sdc.be.components.impl;
 
+import fj.data.Either;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-
 import org.openecomp.sdc.be.dao.api.ActionStatus;
 import org.openecomp.sdc.be.datamodel.api.CategoryTypeEnum;
 import org.openecomp.sdc.be.datamodel.utils.NodeTypeConvertUtils;
+import org.openecomp.sdc.be.datatypes.category.MetadataKeyDataDefinition;
 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
+import org.openecomp.sdc.be.datatypes.enums.MetadataKeyEnum;
 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
 import org.openecomp.sdc.be.impl.ComponentsUtils;
 import org.openecomp.sdc.be.model.category.CategoryDefinition;
@@ -38,237 +40,257 @@ import org.openecomp.sdc.be.model.category.GroupingDefinition;
 import org.openecomp.sdc.be.model.category.SubCategoryDefinition;
 import org.openecomp.sdc.be.model.operations.api.IElementOperation;
 import org.openecomp.sdc.be.model.operations.impl.UniqueIdBuilder;
+import org.openecomp.sdc.common.log.wrappers.Logger;
 import org.openecomp.sdc.common.util.ValidationUtils;
 import org.openecomp.sdc.exception.ResponseFormat;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 import org.yaml.snakeyaml.Yaml;
 
-import fj.data.Either;
-
 @Component("categoriesImportManager")
 public class CategoriesImportManager {
 
-       @javax.annotation.Resource
-       private IElementOperation elementOperation;
-
-       @javax.annotation.Resource
-       private ComponentsUtils componentsUtils;
-
-       private static Logger log = LoggerFactory.getLogger(CategoriesImportManager.class.getName());
-
-       public Either<Map<String, List<CategoryDefinition>>, ResponseFormat> createCategories(String categoriesTypesYml) {
-
-               Map<String, List<CategoryDefinition>> allCategories = createCategoriesFromYml(categoriesTypesYml);
-               return createCategoriesByDao(allCategories);
-       }
-
-       private Either<Map<String, List<CategoryDefinition>>, ResponseFormat> createCategoriesByDao(Map<String, List<CategoryDefinition>> allCategories) {
-               Map<String, List<CategoryDefinition>> result = new HashMap<>();
-               log.debug("createCategoriesByDao: starting to create Categories.");
-               for (Map.Entry<String, List<CategoryDefinition>> entry : allCategories.entrySet()) {
-                       ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(entry.getKey());
-                       NodeTypeEnum nodeTypeCategory = NodeTypeConvertUtils.getCategoryNodeTypeByComponentParam(componentType, CategoryTypeEnum.CATEGORY);
-                       NodeTypeEnum nodeTypeSubCategory = NodeTypeConvertUtils.getCategoryNodeTypeByComponentParam(componentType, CategoryTypeEnum.SUBCATEGORY);
-                       NodeTypeEnum nodeTypeGroup = NodeTypeConvertUtils.getCategoryNodeTypeByComponentParam(componentType, CategoryTypeEnum.GROUPING);
-                       if (log.isDebugEnabled()) {
-                               log.debug("createCategoriesByDao: creating componentType:{}  nodeTypeCategory:{} nodeTypeSubCategory:{} nodeTypeGroup:{}", componentType, nodeTypeCategory, nodeTypeSubCategory, nodeTypeGroup);
-                       }
-                       List<CategoryDefinition> newCategoriesvalue = new ArrayList<>();
-                       for (CategoryDefinition category : entry.getValue()) {
-
-                               Either<CategoryDefinition, ResponseFormat> createdCategoryRes = createCategorieDeo(entry, category, nodeTypeCategory);
-                               if (createdCategoryRes.isRight()) {
-                                       return Either.right(createdCategoryRes.right().value());
-                               }
-
-                               CategoryDefinition newcategory = createdCategoryRes.left().value();
-                               String categoryId = newcategory.getUniqueId();
-                               log.debug("createCategoriesByDao: create category was successful {}", newcategory);
-                               List<SubCategoryDefinition> newsubcategories = new ArrayList<>();
-                               List<SubCategoryDefinition> subcategories = category.getSubcategories();
-                               if (subcategories != null) {
-                                       for (SubCategoryDefinition subcategory : subcategories) {
-                                               Either<SubCategoryDefinition, ResponseFormat> createdSubCategory = createSubCategorieDeo(entry, newcategory, subcategory, nodeTypeSubCategory);
-                                               if (createdSubCategory.isRight()) {
-                                                       return Either.right(createdCategoryRes.right().value());
-                                               }
-                                               SubCategoryDefinition newsubcategory = createdSubCategory.left().value();
-                                               List<GroupingDefinition> groupings = subcategory.getGroupings();
-                                               if (groupings != null) {
-                                                       List<GroupingDefinition> newgroupings = new ArrayList<>();
-                                                       for (GroupingDefinition grouping : groupings) {
-                                                               Either<GroupingDefinition, ResponseFormat> createdGrouping = createGroupingDeo(entry, grouping, subcategory, category, nodeTypeGroup);
-                                                               if (createdGrouping.isRight()) {
-                                                                       return Either.right(createdCategoryRes.right().value());
-                                                               }
-                                                               newgroupings.add(createdGrouping.left().value());
-                                                       }
-                                                       newsubcategory.setGroupings(newgroupings);
-                                               }
-                                               newsubcategories.add(newsubcategory);
-                                       }
-                                       newcategory.setSubcategories(newsubcategories);
-                               }
-                               newCategoriesvalue.add(newcategory);
-                       }
-                       result.put(entry.getKey(), newCategoriesvalue);
-               }
-               return Either.left(result);
-       }
-
-       private Either<GroupingDefinition, ResponseFormat> createGroupingDeo(Map.Entry<String, List<CategoryDefinition>> entry, GroupingDefinition grouping, SubCategoryDefinition subcategory, CategoryDefinition category, NodeTypeEnum nodeTypeGroup) {
-
-               log.debug("createGroupingDeo: creating grouping  {}", grouping);
-               Either<GroupingDefinition, ActionStatus> createdGrouping = elementOperation.createGrouping(subcategory.getUniqueId(), grouping, nodeTypeGroup);
-               if (createdGrouping.isRight()) {
-                       if (ActionStatus.COMPONENT_GROUPING_EXISTS_FOR_SUB_CATEGORY.equals(createdGrouping.right().value())) {
-                               log.debug(" create grouping for {}. group {} already exists", entry.getKey(), grouping.getName());
-                               String groupingId = UniqueIdBuilder.buildGroupingUid(grouping.getUniqueId(), grouping.getNormalizedName());
-                               createdGrouping = elementOperation.getGroupingUniqueForType(nodeTypeGroup, groupingId);
-                               if (createdGrouping.isRight()) {
-                                       log.debug("failed to get grouping that exists groupingId: {}, type: {}", groupingId, nodeTypeGroup);
-                                       return Either.right(componentsUtils.getResponseFormat(createdGrouping.right().value()));
-                               }
-                       }
-                       log.debug("Failed to create groupingcategory for {}, category {}, subcategory {}, grouping {}, error {}", entry.getKey(), category.getName(), subcategory.getName(), (grouping != null ? grouping.getName() : null), 
-                                       (createdGrouping != null && createdGrouping.right() != null ? createdGrouping.right().value() : null));
-                       return Either.right(componentsUtils.getResponseFormat(createdGrouping.right().value()));
-               } else {
-                       log.debug("createGroupingDeo: create Grouping was successful {}", createdGrouping.left().value());
-               }
-               return Either.left(createdGrouping.left().value());
-
-       }
+    private static final Logger log = Logger.getLogger(CategoriesImportManager.class.getName());
+    @javax.annotation.Resource
+    private IElementOperation elementOperation;
+    @javax.annotation.Resource
+    private ComponentsUtils componentsUtils;
 
-       private Either<SubCategoryDefinition, ResponseFormat> createSubCategorieDeo(Map.Entry<String, List<CategoryDefinition>> entry, CategoryDefinition newcategory, SubCategoryDefinition subcategory, NodeTypeEnum nodeTypeSubCategory) {
-               log.debug("createSubCategorieDeo: creating subcategory  {}", subcategory);
-               Either<SubCategoryDefinition, ActionStatus> createdSubCategory = elementOperation.createSubCategory(newcategory.getUniqueId(), subcategory, nodeTypeSubCategory);
-               if (createdSubCategory.isRight()) {
-                       if (ActionStatus.COMPONENT_SUB_CATEGORY_EXISTS_FOR_CATEGORY.equals(createdSubCategory.right().value())) {
-                               log.debug(" create subcategory for {} category {}, alreay exists retrieving", entry.getKey(), newcategory.getName(), subcategory.getName());
-                               String subCategoryId = UniqueIdBuilder.buildSubCategoryUid(newcategory.getUniqueId(), subcategory.getNormalizedName());
-                               createdSubCategory = elementOperation.getSubCategory(nodeTypeSubCategory, subCategoryId);
-                               if (createdSubCategory.isRight()) {
-                                       log.debug("failed to get sub category that exists subCategoryId: {}, type: {}", subCategoryId, nodeTypeSubCategory);
-                                       return Either.right(componentsUtils.getResponseFormat(createdSubCategory.right().value()));
-                               }
-                       } else {
-                               log.debug("Failed to create subcategory for {} category {}, error {}", entry.getKey(), newcategory.getName(), subcategory.getName(), createdSubCategory.right().value());
-                               return Either.right(componentsUtils.getResponseFormat(createdSubCategory.right().value()));
-                       }
-               } else {
-                       log.debug("createSubCategorieDeo: create subcategory was successful {}", createdSubCategory.left().value());
-               }
-               return Either.left(createdSubCategory.left().value());
-       }
+    public Either<Map<String, List<CategoryDefinition>>, ResponseFormat> createCategories(final String categoriesTypesYml) {
+        Map<String, List<CategoryDefinition>> allCategories = createCategoriesFromYml(categoriesTypesYml);
+        return createCategoriesByDao(allCategories);
+    }
 
-       private Either<CategoryDefinition, ResponseFormat> createCategorieDeo(Map.Entry<String, List<CategoryDefinition>> entry, CategoryDefinition category, NodeTypeEnum nodeTypeCategory) {
-               log.debug("createCategorieDeo: creating category {}", category);
-               Either<CategoryDefinition, ActionStatus> createdCategory = elementOperation.createCategory(category, nodeTypeCategory);
-               if (createdCategory.isRight()) {
-                       log.debug("Failed to create category for {}, error {}", entry.getKey(), category.getName(), createdCategory.right().value());
-                       if (!ActionStatus.COMPONENT_CATEGORY_ALREADY_EXISTS.equals(createdCategory.right().value())) {
-                               return Either.right(componentsUtils.getResponseFormat(createdCategory.right().value()));
-                       } else {
-                               log.debug("createCategorieDeo: category exists {} retriving.", category);
-                               String categoryId = UniqueIdBuilder.buildCategoryUid(category.getNormalizedName(), nodeTypeCategory);
-                               createdCategory = elementOperation.getCategory(nodeTypeCategory, categoryId);
-                               if (createdCategory.isRight()) {
-                                       log.debug("failed to get category that exists categoryId: {}, type: {}", categoryId, nodeTypeCategory);
-                                       return Either.right(componentsUtils.getResponseFormat(createdCategory.right().value()));
-                               }
-                       }
-               } else {
-                       log.debug("createCategorieDeo: create category was successful {}", createdCategory.left().value());
-               }
-               return Either.left(createdCategory.left().value());
-       }
+    private Either<Map<String, List<CategoryDefinition>>, ResponseFormat> createCategoriesByDao(Map<String, List<CategoryDefinition>> allCategories) {
+        Map<String, List<CategoryDefinition>> result = new HashMap<>();
+        log.debug("createCategoriesByDao: starting to create Categories.");
+        for (Map.Entry<String, List<CategoryDefinition>> entry : allCategories.entrySet()) {
+            ComponentTypeEnum componentType = ComponentTypeEnum.findByParamName(entry.getKey());
+            NodeTypeEnum nodeTypeCategory = NodeTypeConvertUtils.getCategoryNodeTypeByComponentParam(componentType, CategoryTypeEnum.CATEGORY);
+            NodeTypeEnum nodeTypeSubCategory = NodeTypeConvertUtils.getCategoryNodeTypeByComponentParam(componentType, CategoryTypeEnum.SUBCATEGORY);
+            NodeTypeEnum nodeTypeGroup = NodeTypeConvertUtils.getCategoryNodeTypeByComponentParam(componentType, CategoryTypeEnum.GROUPING);
+            log.debug("createCategoriesByDao: creating componentType:{}  nodeTypeCategory:{} nodeTypeSubCategory:{} nodeTypeGroup:{}", componentType,
+                nodeTypeCategory, nodeTypeSubCategory, nodeTypeGroup);
+            List<CategoryDefinition> newCategoriesvalue = new ArrayList<>();
+            for (CategoryDefinition category : entry.getValue()) {
+                Either<CategoryDefinition, ResponseFormat> createdCategoryRes = createCategoriesDao(entry, category, nodeTypeCategory);
+                if (createdCategoryRes.isRight()) {
+                    return Either.right(createdCategoryRes.right().value());
+                }
+                CategoryDefinition newcategory = createdCategoryRes.left().value();
+                log.debug("createCategoriesByDao: create category was successful {}", newcategory);
+                List<SubCategoryDefinition> newsubcategories = new ArrayList<>();
+                List<SubCategoryDefinition> subcategories = category.getSubcategories();
+                if (subcategories != null) {
+                    boolean createdNewSubCategory = isCreatedNewSubCategory(entry, nodeTypeSubCategory, nodeTypeGroup, category, newcategory,
+                        newsubcategories, subcategories);
+                    if (!createdNewSubCategory) {
+                        return Either.right(createdCategoryRes.right().value());
+                    }
+                    newcategory.setSubcategories(newsubcategories);
+                }
+                newCategoriesvalue.add(newcategory);
+            }
+            result.put(entry.getKey(), newCategoriesvalue);
+        }
+        return Either.left(result);
+    }
 
-       private Map<String, List<CategoryDefinition>> createCategoriesFromYml(String categoriesTypesYml) {
-               Map<String, Object> toscaJson = (Map<String, Object>) new Yaml().load(categoriesTypesYml);
-               Map<String, List<CategoryDefinition>> allCategories = new HashMap<>();
+    private boolean isCreatedNewSubCategory(Entry<String, List<CategoryDefinition>> entry, NodeTypeEnum nodeTypeSubCategory,
+                                            NodeTypeEnum nodeTypeGroup, CategoryDefinition category, CategoryDefinition newcategory,
+                                            List<SubCategoryDefinition> newsubcategories, List<SubCategoryDefinition> subcategories) {
+        for (SubCategoryDefinition subcategory : subcategories) {
+            Either<SubCategoryDefinition, ResponseFormat> createdSubCategory = createSubCategoriesDao(entry, newcategory, subcategory,
+                nodeTypeSubCategory);
+            if (createdSubCategory.isRight()) {
+                return false;
+            }
+            SubCategoryDefinition newsubcategory = createdSubCategory.left().value();
+            List<GroupingDefinition> groupings = subcategory.getGroupings();
+            if (groupings != null) {
+                List<GroupingDefinition> newgroupings = new ArrayList<>();
+                for (GroupingDefinition grouping : groupings) {
+                    Either<GroupingDefinition, ResponseFormat> createdGrouping = createGroupingDao(entry, grouping, subcategory, category,
+                        nodeTypeGroup);
+                    if (createdGrouping.isRight()) {
+                        return false;
+                    }
+                    newgroupings.add(createdGrouping.left().value());
+                }
+                newsubcategory.setGroupings(newgroupings);
+            }
+            newsubcategories.add(newsubcategory);
+        }
+        return true;
+    }
 
-               Iterator<Entry<String, Object>> categoryEntryItr = toscaJson.entrySet().iterator();
-               while (categoryEntryItr.hasNext()) {
-                       Entry<String, Object> categoryTypeEntry = categoryEntryItr.next();
-                       String categoryType = categoryTypeEntry.getKey();
-                       List<CategoryDefinition> categoriesPerType = null;
-                       Map<String, Object> categoryPerType = null;
-                       switch (categoryType) {
-                       case ComponentTypeEnum.SERVICE_PARAM_NAME:
-                               categoryPerType = (Map<String, Object>) categoryTypeEntry.getValue();
-                               categoriesPerType = createServiceCategories(categoryPerType);
-                               break;
-                       case ComponentTypeEnum.RESOURCE_PARAM_NAME:
-                               categoryPerType = (Map<String, Object>) categoryTypeEntry.getValue();
-                               categoriesPerType = createResourceCategories(categoryPerType);
-                               break;
-                       case ComponentTypeEnum.PRODUCT_PARAM_NAME:
-                               // TODO
-                               break;
-                       default:
-                               log.debug("Not supported category type - {}", categoryType);
-                               break;
-                       }
-                       if (categoriesPerType != null) {
-                               allCategories.put(categoryType, categoriesPerType);
-                       }
-               }
-               return allCategories;
-       }
+    private Either<GroupingDefinition, ResponseFormat> createGroupingDao(Map.Entry<String, List<CategoryDefinition>> entry,
+                                                                         GroupingDefinition grouping, SubCategoryDefinition subcategory,
+                                                                         CategoryDefinition category, NodeTypeEnum nodeTypeGroup) {
+        log.debug("createGroupingDeo: creating grouping  {}", grouping);
+        Either<GroupingDefinition, ActionStatus> createdGrouping = elementOperation
+            .createGrouping(subcategory.getUniqueId(), grouping, nodeTypeGroup);
+        if (createdGrouping.isRight()) {
+            if (ActionStatus.COMPONENT_GROUPING_EXISTS_FOR_SUB_CATEGORY == createdGrouping.right().value()) {
+                log.debug(" create grouping for {}  group {} already exists ", entry.getKey(), grouping.getName());
+                String groupingId = UniqueIdBuilder.buildGroupingUid(grouping.getUniqueId(), grouping.getNormalizedName());
+                createdGrouping = elementOperation.getGroupingUniqueForType(nodeTypeGroup, groupingId);
+                if (createdGrouping.isRight()) {
+                    log.debug("failed to get grouping that exists groupingId: {} type: {}", groupingId, nodeTypeGroup);
+                    return Either.right(componentsUtils.getResponseFormat(createdGrouping.right().value()));
+                }
+            }
+            log.debug("Failed to create groupingcategory for {}  category {} subcategory {} grouping {} error {}", entry.getKey(), category.getName(),
+                subcategory.getName(), grouping != null ? grouping.getName() : null, createdGrouping.right().value());
+            return Either.right(componentsUtils.getResponseFormat(createdGrouping.right().value()));
+        } else {
+            log.debug("createGroupingDeo: create Grouping was successful {}", createdGrouping.left().value());
+        }
+        return Either.left(createdGrouping.left().value());
+    }
 
-       private List<CategoryDefinition> createServiceCategories(Map<String, Object> categories) {
-               List<CategoryDefinition> categroiesDef = new ArrayList<>();
-               String catName = null;
-               List<String> icons = null;
-               for (Entry<String, Object> entry : categories.entrySet()) {
-                       CategoryDefinition catDef = new CategoryDefinition();
-                       Map<String, Object> category = (Map<String, Object>) entry.getValue();
-                       catName = (String) category.get("name");
-                       catDef.setName(catName);
-                       icons = (List<String>) category.get("icons");
-                       catDef.setIcons(icons);
-                       String normalizedName = ValidationUtils.normalizeCategoryName4Uniqueness(catName);
-                       catDef.setNormalizedName(normalizedName);
-                       categroiesDef.add(catDef);
-               }
+    private Either<SubCategoryDefinition, ResponseFormat> createSubCategoriesDao(Map.Entry<String, List<CategoryDefinition>> entry,
+                                                                                 CategoryDefinition newcategory, SubCategoryDefinition subcategory,
+                                                                                 NodeTypeEnum nodeTypeSubCategory) {
+        log.debug("createSubCategorieDeo: creating subcategory  {}", subcategory);
+        Either<SubCategoryDefinition, ActionStatus> createdSubCategory = elementOperation
+            .createSubCategory(newcategory.getUniqueId(), subcategory, nodeTypeSubCategory);
+        if (createdSubCategory.isRight() && ActionStatus.COMPONENT_SUB_CATEGORY_EXISTS_FOR_CATEGORY == createdSubCategory.right().value()) {
+            log.debug(" create subcategory for {}  category {} subcategory {} already exists, updating", entry.getKey(), newcategory.getName(),
+                subcategory.getName());
+            String subCategoryId = UniqueIdBuilder.buildSubCategoryUid(newcategory.getUniqueId(), subcategory.getNormalizedName());
+            createdSubCategory = elementOperation.updateSubCategory(subCategoryId, subcategory, nodeTypeSubCategory);
+        }
+        if (createdSubCategory.isRight()) {
+            log.debug("Failed to create subcategory for {}  category: {} subcategory: {} error {}", entry.getKey(), newcategory.getName(),
+                subcategory.getName(), createdSubCategory.right().value());
+            return Either.right(componentsUtils.getResponseFormat(createdSubCategory.right().value()));
+        } else {
+            log.debug("createSubCategorieDeo: create subcategory was successful {}", createdSubCategory.left().value());
+        }
+        return Either.left(createdSubCategory.left().value());
+    }
 
-               return categroiesDef;
-       }
+    private Either<CategoryDefinition, ResponseFormat> createCategoriesDao(Map.Entry<String, List<CategoryDefinition>> entry,
+                                                                           CategoryDefinition category, NodeTypeEnum nodeTypeCategory) {
+        log.debug("createCategorieDeo: creating category {}", category);
+        Either<CategoryDefinition, ActionStatus> createdCategory = elementOperation.createCategory(category, nodeTypeCategory);
+        if (createdCategory.isRight() && ActionStatus.COMPONENT_CATEGORY_ALREADY_EXISTS == createdCategory.right().value()) {
+            log.debug("createCategorieDeo: already exists, updating {}", category);
+            createdCategory = elementOperation.updateCategory(category, nodeTypeCategory);
+        }
+        if (createdCategory.isRight()) {
+            log.debug("Failed to create category for {}  {} error {}", entry.getKey(), category.getName(), createdCategory.right().value());
+            return Either.right(componentsUtils.getResponseFormat(createdCategory.right().value()));
+        } else {
+            log.debug("createCategorieDeo: create category was successful {}", createdCategory.left().value());
+        }
+        return Either.left(createdCategory.left().value());
+    }
 
-       private List<CategoryDefinition> createResourceCategories(Map<String, Object> categoryPerType) {
-               List<CategoryDefinition> categroiesDef = new ArrayList<>();
-               for (Map.Entry<String, Object> entry : categoryPerType.entrySet()) {
-                       Map<String, Object> category = (Map<String, Object>) entry.getValue();
-                       CategoryDefinition catDef = new CategoryDefinition();
-                       String catName = (String) category.get("name");
-                       catDef.setName(catName);
-                       String normalizedName = ValidationUtils.normalizeCategoryName4Uniqueness(catName);
-                       catDef.setNormalizedName(normalizedName);
-                       Map<String, Object> subcategories = (Map<String, Object>) category.get("subcategories");
-                       List<SubCategoryDefinition> subcateDef = new ArrayList<>();
-                       for (Entry<String, Object> subcategory : subcategories.entrySet()) {
-                               Map<String, Object> subcategoryInfo = (Map<String, Object>) subcategory.getValue();
-                               SubCategoryDefinition subDef = new SubCategoryDefinition();
-                               String subcategoryName = (String) subcategoryInfo.get("name");
-                               subDef.setName(subcategoryName);
-                               List<String> subcategoryIcons = (List<String>) subcategoryInfo.get("icons");
-                               subDef.setIcons(subcategoryIcons);
-                               normalizedName = ValidationUtils.normalizeCategoryName4Uniqueness(subcategoryName);
-                               subDef.setNormalizedName(normalizedName);
-                               subcateDef.add(subDef);
-                       }
+    private Map<String, List<CategoryDefinition>> createCategoriesFromYml(final String categoriesTypesYml) {
+        Map<String, Object> toscaJson = new Yaml().load(categoriesTypesYml);
+        Map<String, List<CategoryDefinition>> allCategories = new HashMap<>();
+        Iterator<Entry<String, Object>> categoryEntryItr = toscaJson.entrySet().iterator();
+        while (categoryEntryItr.hasNext()) {
+            Entry<String, Object> categoryTypeEntry = categoryEntryItr.next();
+            String categoryType = categoryTypeEntry.getKey();
+            List<CategoryDefinition> categoriesPerType = null;
+            Map<String, Object> categoryPerType = null;
+            switch (categoryType) {
+                case ComponentTypeEnum.SERVICE_PARAM_NAME:
+                    categoryPerType = (Map<String, Object>) categoryTypeEntry.getValue();
+                    categoriesPerType = createServiceCategories(categoryPerType);
+                    break;
+                case ComponentTypeEnum.RESOURCE_PARAM_NAME:
+                    categoryPerType = (Map<String, Object>) categoryTypeEntry.getValue();
+                    categoriesPerType = createResourceCategories(categoryPerType);
+                    break;
+                case ComponentTypeEnum.PRODUCT_PARAM_NAME:
+                    // TODO
+                    break;
+                default:
+                    log.debug("Not supported category type - {}", categoryType);
+                    break;
+            }
+            if (categoriesPerType != null) {
+                allCategories.put(categoryType, categoriesPerType);
+            }
+        }
+        return allCategories;
+    }
 
-                       catDef.setSubcategories(subcateDef);
-                       categroiesDef.add(catDef);
-               }
-               return categroiesDef;
-       }
+    private List<CategoryDefinition> createServiceCategories(final Map<String, Object> categories) {
+        List<CategoryDefinition> categoriesDef = new ArrayList<>();
+        String catName = null;
+        List<String> icons = null;
+        for (Entry<String, Object> entry : categories.entrySet()) {
+            CategoryDefinition catDef = new CategoryDefinition();
+            Map<String, Object> category = (Map<String, Object>) entry.getValue();
+            catName = (String) category.get("name");
+            catDef.setName(catName);
+            catDef.setDisplayName((String) category.get("displayName"));
+            icons = (List<String>) category.get("icons");
+            catDef.setIcons(icons);
+            String normalizedName = ValidationUtils.normalizeCategoryName4Uniqueness(catName);
+            catDef.setNormalizedName(normalizedName);
+            catDef.setModels((List<String>) category.get("models"));
+            final Object useServiceSubstitutionForNestedServicesProperty = category.get("useServiceSubstitutionForNestedServices");
+            final boolean useServiceSubstitutionForNestedServices =
+                useServiceSubstitutionForNestedServicesProperty == null ? false : (Boolean) useServiceSubstitutionForNestedServicesProperty;
+            catDef.setUseServiceSubstitutionForNestedServices(useServiceSubstitutionForNestedServices);
+            catDef.setMetadataKeys(getMetadataKeys(category));
+            categoriesDef.add(catDef);
+        }
+        return categoriesDef;
+    }
 
-       public static void setLog(Logger log) {
-               CategoriesImportManager.log = log;
-       }
+    private List<MetadataKeyDataDefinition> getMetadataKeys(Map<String, Object> parentObject) {
+        Map<String, Object> metadataKeys = (Map<String, Object>) parentObject
+            .getOrDefault(MetadataKeyEnum.METADATA_KEYS.getName(), Collections.EMPTY_MAP);
+        List<MetadataKeyDataDefinition> metadataKeyDefs = new ArrayList<>();
+        for (Entry<String, Object> metadataKey : metadataKeys.entrySet()) {
+            Map<String, Object> metadataKeyInfo = (Map<String, Object>) metadataKey.getValue();
+            MetadataKeyDataDefinition metadataKeyDef = new MetadataKeyDataDefinition();
+            String metadataKeyName = (String) metadataKeyInfo.get(MetadataKeyEnum.NAME.getName());
+            metadataKeyDef.setName(metadataKeyName);
+            metadataKeyDef.setDisplayName((String) metadataKeyInfo.get(MetadataKeyEnum.DISPLAY_NAME.getName()));
+            final Object mandatoryProperty = metadataKeyInfo.get(MetadataKeyEnum.MANDATORY.getName());
+            final boolean mandatory = mandatoryProperty == null ? false : (Boolean) mandatoryProperty;
+            metadataKeyDef.setMandatory(mandatory);
+            List<String> validValues = (List<String>) metadataKeyInfo.get(MetadataKeyEnum.VALID_VALUES.getName());
+            metadataKeyDef.setValidValues(validValues);
+            metadataKeyDef.setDefaultValue((String) metadataKeyInfo.get(MetadataKeyEnum.DEFAULT.getName()));
+            metadataKeyDefs.add(metadataKeyDef);
+        }
+        return metadataKeyDefs;
+    }
 
+    private List<CategoryDefinition> createResourceCategories(final Map<String, Object> categoryPerType) {
+        List<CategoryDefinition> categroiesDef = new ArrayList<>();
+        for (Map.Entry<String, Object> entry : categoryPerType.entrySet()) {
+            Map<String, Object> category = (Map<String, Object>) entry.getValue();
+            CategoryDefinition catDef = new CategoryDefinition();
+            String catName = (String) category.get("name");
+            catDef.setName(catName);
+            String normalizedName = ValidationUtils.normalizeCategoryName4Uniqueness(catName);
+            catDef.setNormalizedName(normalizedName);
+            Map<String, Object> subcategories = (Map<String, Object>) category.get("subcategories");
+            List<SubCategoryDefinition> subcateDef = new ArrayList<>();
+            for (Entry<String, Object> subcategory : subcategories.entrySet()) {
+                Map<String, Object> subcategoryInfo = (Map<String, Object>) subcategory.getValue();
+                SubCategoryDefinition subDef = new SubCategoryDefinition();
+                String subcategoryName = (String) subcategoryInfo.get("name");
+                subDef.setName(subcategoryName);
+                List<String> subcategoryIcons = (List<String>) subcategoryInfo.get("icons");
+                subDef.setIcons(subcategoryIcons);
+                normalizedName = ValidationUtils.normalizeCategoryName4Uniqueness(subcategoryName);
+                subDef.setNormalizedName(normalizedName);
+                subDef.setMetadataKeys(getMetadataKeys(subcategoryInfo));
+                subcateDef.add(subDef);
+            }
+            catDef.setSubcategories(subcateDef);
+            categroiesDef.add(catDef);
+        }
+        return categroiesDef;
+    }
 }