cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java


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/*
 *  ============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.FetchDescendantsOption;
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, @Valid final Boolean includeDescendants) {
        final FetchDescendantsOption fetchDescendantsOption = Boolean.TRUE.equals(includeDescendants)
            ? FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS : FetchDescendantsOption.OMIT_DESCENDANTS;
        final Collection<DataNode> dataNodes =
            cpsQueryService.queryDataNodes(dataspaceName, anchorName, cpsPath, fetchDescendantsOption);
        return new ResponseEntity<>(new Gson().toJson(dataNodes), HttpStatus.OK);
    }
}