Rest & Java API layer - Query Datanodes using cpsPath that contains contains a leaf name and a leaf value

Issue-ID: CPS-231

Signed-off-by: niamhcore <niamh.core@est.tech>
Change-Id: I3bf2a9946746ad06ddb4bc832206a36b78ff2175

1 files changed, 48 insertions, 0 deletions

diff --git a/cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java b/cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java
new file mode 100644
index 0000000000..a8816f02b4
--- /dev/null
+++ b/cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java
@@ -0,0 +1,48 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.rest.controller;
+
+import com.google.gson.Gson;
+import java.util.Collection;
+import javax.validation.Valid;
+import org.onap.cps.api.CpsQueryService;
+import org.onap.cps.rest.api.CpsQueryApi;
+import org.onap.cps.spi.model.DataNode;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("${rest.api.cps-base-path}")
+public class QueryRestController implements CpsQueryApi {
+
+    @Autowired
+    private CpsQueryService cpsQueryService;
+
+    @Override
+    public ResponseEntity<Object> getNodesByDataspaceAndAnchorAndCpsPath(final String dataspaceName,
+        final String anchorName, @Valid final String cpsPath) {
+        final Collection<DataNode> dataNodes =
+            cpsQueryService.queryDataNodes(dataspaceName, anchorName, cpsPath);
+        return new ResponseEntity<>(new Gson().toJson(dataNodes), HttpStatus.OK);
+    }
+}