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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2020-2021 Bell Canada.
* Modifications Copyright (C) 2021 Pantheon.tech
* Modifications 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 java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
import javax.validation.ValidationException;
import org.apache.commons.lang3.StringUtils;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.rest.api.CpsDataApi;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.utils.DataMapUtils;
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 DataRestController implements CpsDataApi {
private static final String ROOT_XPATH = "/";
private static final String ISO_TIMESTAMP_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
private static final DateTimeFormatter ISO_TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern(ISO_TIMESTAMP_FORMAT);
@Autowired
private CpsDataService cpsDataService;
@Override
public ResponseEntity<String> createNode(final String dataspaceName, final String anchorName,
final String jsonData, final String parentNodeXpath, final String observedTimestamp) {
if (isRootXpath(parentNodeXpath)) {
cpsDataService.saveData(dataspaceName, anchorName, jsonData, toOffsetDateTime(observedTimestamp));
} else {
cpsDataService.saveData(dataspaceName, anchorName, parentNodeXpath, jsonData,
toOffsetDateTime(observedTimestamp));
}
return new ResponseEntity<>(HttpStatus.CREATED);
}
@Override
public ResponseEntity<String> addListElements(final String parentNodeXpath,
final String dataspaceName, final String anchorName, final String jsonData, final String observedTimestamp) {
cpsDataService.saveListElements(dataspaceName, anchorName, parentNodeXpath, jsonData,
toOffsetDateTime(observedTimestamp));
return new ResponseEntity<>(HttpStatus.CREATED);
}
@Override
public ResponseEntity<Object> getNodeByDataspaceAndAnchor(final String dataspaceName, final String anchorName,
final String xpath, final Boolean includeDescendants) {
final FetchDescendantsOption fetchDescendantsOption = Boolean.TRUE.equals(includeDescendants)
? FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS : FetchDescendantsOption.OMIT_DESCENDANTS;
final var dataNode = cpsDataService.getDataNode(dataspaceName, anchorName, xpath,
fetchDescendantsOption);
return new ResponseEntity<>(DataMapUtils.toDataMap(dataNode), HttpStatus.OK);
}
@Override
public ResponseEntity<Object> updateNodeLeaves(final String dataspaceName,
final String anchorName, final String jsonData, final String parentNodeXpath, final String observedTimestamp) {
cpsDataService.updateNodeLeaves(dataspaceName, anchorName, parentNodeXpath, jsonData,
toOffsetDateTime(observedTimestamp));
return new ResponseEntity<>(HttpStatus.OK);
}
@Override
public ResponseEntity<Object> replaceNode(final String dataspaceName, final String anchorName,
final String jsonData, final String parentNodeXpath, final String observedTimestamp) {
cpsDataService
.replaceNodeTree(dataspaceName, anchorName, parentNodeXpath, jsonData, toOffsetDateTime(observedTimestamp));
return new ResponseEntity<>(HttpStatus.OK);
}
@Override
public ResponseEntity<String> replaceListContent(final String parentNodeXpath,
final String dataspaceName, final String anchorName, final String jsonData,
final String observedTimestamp) {
cpsDataService.replaceListContent(dataspaceName, anchorName, parentNodeXpath, jsonData,
toOffsetDateTime(observedTimestamp));
return new ResponseEntity<>(HttpStatus.OK);
}
@Override
public ResponseEntity<Void> deleteListOrListElement(final String dataspaceName, final String anchorName,
final String listElementXpath, final String observedTimestamp) {
cpsDataService
.deleteListOrListElement(dataspaceName, anchorName, listElementXpath, toOffsetDateTime(observedTimestamp));
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
private static boolean isRootXpath(final String xpath) {
return ROOT_XPATH.equals(xpath);
}
private static OffsetDateTime toOffsetDateTime(final String datetTimestamp) {
try {
return StringUtils.isEmpty(datetTimestamp)
? null : OffsetDateTime.parse(datetTimestamp, ISO_TIMESTAMP_FORMATTER);
} catch (final Exception exception) {
throw new ValidationException(
String.format("observed-timestamp must be in '%s' format", ISO_TIMESTAMP_FORMAT));
}
}
}
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