2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021-2024 Nordix Foundation
4 * Modifications Copyright (C) 2022 Bell Canada
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.cps.ncmp.api.impl.operations;
24 import static org.onap.cps.ncmp.api.impl.operations.RequiredDmiService.MODEL;
26 import com.google.gson.JsonArray;
27 import com.google.gson.JsonObject;
28 import java.util.ArrayList;
29 import java.util.Collection;
30 import java.util.Collections;
31 import java.util.HashMap;
32 import java.util.List;
34 import org.onap.cps.ncmp.api.impl.client.DmiRestClient;
35 import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration;
36 import org.onap.cps.ncmp.api.impl.inventory.InventoryPersistence;
37 import org.onap.cps.ncmp.api.impl.utils.DmiServiceUrlBuilder;
38 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
39 import org.onap.cps.ncmp.api.models.YangResource;
40 import org.onap.cps.spi.model.ModuleReference;
41 import org.onap.cps.utils.JsonObjectMapper;
42 import org.springframework.http.ResponseEntity;
43 import org.springframework.stereotype.Component;
46 * Operations class for DMI Model.
49 public class DmiModelOperations extends DmiOperations {
52 * Constructor for {@code DmiOperations}. This method also manipulates url properties.
54 * @param dmiRestClient {@code DmiRestClient}
56 public DmiModelOperations(final InventoryPersistence inventoryPersistence,
57 final JsonObjectMapper jsonObjectMapper,
58 final NcmpConfiguration.DmiProperties dmiProperties,
59 final DmiRestClient dmiRestClient, final DmiServiceUrlBuilder dmiServiceUrlBuilder) {
60 super(inventoryPersistence, jsonObjectMapper, dmiProperties, dmiRestClient, dmiServiceUrlBuilder);
64 * Retrieves module references.
66 * @param yangModelCmHandle the yang model cm handle
67 * @return module references
69 public List<ModuleReference> getModuleReferences(final YangModelCmHandle yangModelCmHandle) {
70 final DmiRequestBody dmiRequestBody = DmiRequestBody.builder().build();
71 dmiRequestBody.asDmiProperties(yangModelCmHandle.getDmiProperties());
72 final ResponseEntity<Object> dmiFetchModulesResponseEntity = getResourceFromDmiWithJsonData(
73 yangModelCmHandle.resolveDmiServiceName(MODEL),
74 jsonObjectMapper.asJsonString(dmiRequestBody), yangModelCmHandle.getId(), "modules");
75 return toModuleReferences((Map) dmiFetchModulesResponseEntity.getBody());
79 * Retrieve yang resources from dmi for any modules that CPS-NCMP hasn't cached before.
81 * @param yangModelCmHandle the yangModelCmHandle
82 * @param newModuleReferences the unknown module references
83 * @return yang resources as map of module name to yang(re)source
85 public Map<String, String> getNewYangResourcesFromDmi(final YangModelCmHandle yangModelCmHandle,
86 final Collection<ModuleReference> newModuleReferences) {
87 if (newModuleReferences.isEmpty()) {
88 return Collections.emptyMap();
90 final String jsonWithDataAndDmiProperties = getRequestBodyToFetchYangResources(
91 newModuleReferences, yangModelCmHandle.getDmiProperties());
92 final ResponseEntity<Object> responseEntity = getResourceFromDmiWithJsonData(
93 yangModelCmHandle.resolveDmiServiceName(MODEL),
94 jsonWithDataAndDmiProperties,
95 yangModelCmHandle.getId(),
97 return asModuleNameToYangResourceMap(responseEntity);
101 * Get resources from DMI for modules.
103 * @param dmiServiceName dmi service name
104 * @param jsonRequestBody module names and revisions as JSON
105 * @param cmHandle cmHandle
106 * @param resourceName name of the resource(s)
107 * @return {@code ResponseEntity} response entity
109 private ResponseEntity<Object> getResourceFromDmiWithJsonData(final String dmiServiceName,
110 final String jsonRequestBody,
111 final String cmHandle,
112 final String resourceName) {
113 final String dmiResourceDataUrl = getDmiResourceUrl(dmiServiceName, cmHandle, resourceName);
114 return dmiRestClient.postOperationWithJsonData(dmiResourceDataUrl, jsonRequestBody,
115 OperationType.READ, null);
118 private static String getRequestBodyToFetchYangResources(final Collection<ModuleReference> newModuleReferences,
119 final List<YangModelCmHandle.Property> dmiProperties) {
120 final JsonArray moduleReferencesAsJson = getModuleReferencesAsJson(newModuleReferences);
121 final JsonObject data = new JsonObject();
122 data.add("modules", moduleReferencesAsJson);
123 final JsonObject jsonRequestObject = new JsonObject();
124 jsonRequestObject.add("data", data);
125 jsonRequestObject.add("cmHandleProperties", toJsonObject(dmiProperties));
126 return jsonRequestObject.toString();
129 private static JsonArray getModuleReferencesAsJson(final Collection<ModuleReference> unknownModuleReferences) {
130 final JsonArray moduleReferences = new JsonArray();
132 for (final ModuleReference moduleReference : unknownModuleReferences) {
133 final JsonObject moduleReferenceAsJson = new JsonObject();
134 moduleReferenceAsJson.addProperty("name", moduleReference.getModuleName());
135 moduleReferenceAsJson.addProperty("revision", moduleReference.getRevision());
136 moduleReferences.add(moduleReferenceAsJson);
138 return moduleReferences;
141 private static JsonObject toJsonObject(final List<YangModelCmHandle.Property>
143 final JsonObject asJsonObject = new JsonObject();
144 for (final YangModelCmHandle.Property additionalProperty : dmiProperties) {
145 asJsonObject.addProperty(additionalProperty.getName(), additionalProperty.getValue());
150 private List<ModuleReference> toModuleReferences(final Map<String, Object> dmiFetchModulesResponseAsMap) {
151 final List<ModuleReference> moduleReferences = new ArrayList<>();
153 if (dmiFetchModulesResponseAsMap != null) {
154 final List<Object> moduleReferencesAsList = (List) dmiFetchModulesResponseAsMap.get("schemas");
155 if (moduleReferencesAsList != null) {
156 moduleReferencesAsList.forEach(moduleReferenceAsMap -> {
157 final ModuleReference moduleReference =
158 jsonObjectMapper.convertToValueType(moduleReferenceAsMap, ModuleReference.class);
159 moduleReferences.add(moduleReference);
163 return moduleReferences;
166 private Map<String, String> asModuleNameToYangResourceMap(final ResponseEntity<Object> responseEntity) {
167 final Map<String, String> yangResourcesModuleNameToContentMap = new HashMap<>();
168 final List<Map<String, String>> yangResourcesAsList = (List) responseEntity.getBody();
170 if (yangResourcesAsList != null) {
171 yangResourcesAsList.forEach(yangResourceAsMap -> {
172 final YangResource yangResource =
173 jsonObjectMapper.convertToValueType(yangResourceAsMap, YangResource.class);
174 yangResourcesModuleNameToContentMap.put(yangResource.getModuleName(),
175 yangResource.getYangSource());
178 return yangResourcesModuleNameToContentMap;