1 files changed, 124 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/DmiServiceUrlBuilder.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/DmiServiceUrlBuilder.java
new file mode 100644
index 0000000000..b60aac9518
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/DmiServiceUrlBuilder.java
@@ -0,0 +1,124 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.utils;
+
+import static org.onap.cps.ncmp.api.impl.operations.RequiredDmiService.DATA;
+
+import java.util.HashMap;
+import java.util.Map;
+import lombok.RequiredArgsConstructor;
+import org.apache.logging.log4j.util.Strings;
+import org.apache.logging.log4j.util.TriConsumer;
+import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration;
+import org.onap.cps.ncmp.api.impl.operations.DmiOperations;
+import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
+import org.springframework.stereotype.Component;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.util.UriComponentsBuilder;
+
+@Component
+@RequiredArgsConstructor
+public class DmiServiceUrlBuilder {
+
+    private final NcmpConfiguration.DmiProperties dmiProperties;
+
+    /**
+     * This method creates the dmi service url.
+     *
+     * @param queryParams  query param map as key,value pair
+     * @param uriVariables uri param map as key (placeholder),value pair
+     * @return {@code String} dmi service url as string
+     */
+    public String getDmiDatastoreUrl(final MultiValueMap<String, String> queryParams,
+                                     final Map<String, Object> uriVariables) {
+        final UriComponentsBuilder uriComponentsBuilder = getCmHandleUrl()
+                .pathSegment("data")
+                .pathSegment("ds")
+                .pathSegment("{dataStore}")
+                .queryParams(queryParams)
+                .uriVariables(uriVariables);
+        return uriComponentsBuilder.buildAndExpand().toUriString();
+    }
+
+    /**
+     * This method creates the dmi service url builder object with path variables.
+     *
+     * @return {@code UriComponentsBuilder} dmi service url builder object
+     */
+    public UriComponentsBuilder getCmHandleUrl() {
+        return UriComponentsBuilder.newInstance()
+                .path("{dmiServiceName}")
+                .pathSegment("{dmiBasePath}")
+                .pathSegment("v1")
+                .pathSegment("ch")
+                .pathSegment("{cmHandle}");
+    }
+
+    /**
+     * This method populates uri variables.
+     *
+     * @param yangModelCmHandle get dmi service name
+     * @param cmHandle          cm handle name for dmi registration
+     * @return {@code String} dmi service url as string
+     */
+    public Map<String, Object> populateUriVariables(final YangModelCmHandle yangModelCmHandle,
+                                                    final String cmHandle,
+                                                    final DmiOperations.DataStoreEnum dataStore) {
+        final Map<String, Object> uriVariables = new HashMap<>();
+        final String dmiBasePath = dmiProperties.getDmiBasePath();
+        uriVariables.put("dmiServiceName",
+                yangModelCmHandle.resolveDmiServiceName(DATA));
+        uriVariables.put("dmiBasePath", dmiBasePath);
+        uriVariables.put("cmHandle", cmHandle);
+        uriVariables.put("dataStore", dataStore.getValue());
+        return uriVariables;
+    }
+
+    /**
+     * This method is used to populate map from query params.
+     *
+     * @param resourceId          unique id of response for valid topic
+     * @param optionsParamInQuery options into url param
+     * @param topicParamInQuery   topic into url param
+     * @return all valid query params as map
+     */
+    public MultiValueMap<String, String> populateQueryParams(final String resourceId,
+                                                             final String optionsParamInQuery,
+                                                             final String topicParamInQuery) {
+        final MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<>();
+        getQueryParamConsumer().accept("resourceIdentifier",
+                resourceId, queryParams);
+        getQueryParamConsumer().accept("options", optionsParamInQuery, queryParams);
+        if (Strings.isNotEmpty(topicParamInQuery)) {
+            getQueryParamConsumer().accept("topic", topicParamInQuery, queryParams);
+        }
+        return queryParams;
+    }
+
+    private TriConsumer<String, String, MultiValueMap<String, String>> getQueryParamConsumer() {
+        return (paramName, paramValue, paramMap) -> {
+            if (Strings.isNotEmpty(paramValue)) {
+                paramMap.add(paramName, paramValue);
+            }
+        };
+    }
+}