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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation
* Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
* ================================================================================
* 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 com.google.gson.JsonSyntaxException;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import javax.validation.Valid;
import org.onap.cps.api.CpService;
import org.onap.cps.exceptions.CpsException;
import org.onap.cps.exceptions.CpsValidationException;
import org.onap.cps.rest.api.CpsRestApi;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
@RestController
public class CpsRestController implements CpsRestApi {
@Autowired
private CpService cpService;
@Override
public ResponseEntity<Object> createAnchor(@Valid MultipartFile multipartFile, String dataspaceName) {
return null;
}
@Override
public ResponseEntity<Object> createModules(@Valid MultipartFile multipartFile, String dataspaceName) {
final File fileToParse = saveToFile(multipartFile);
final SchemaContext schemaContext = cpService.parseAndValidateModel(fileToParse);
cpService.storeSchemaContext(schemaContext, dataspaceName);
return new ResponseEntity<>("Resource successfully created", HttpStatus.CREATED);
}
@Override
public ResponseEntity<Object> createNode(@Valid MultipartFile multipartFile, String dataspaceName) {
return null;
}
@Override
public ResponseEntity<Object> deleteAnchor(String dataspaceName, String anchorName) {
return null;
}
@Override
public ResponseEntity<Object> deleteDataspace(String dataspaceName) {
return null;
}
@Override
public ResponseEntity<Object> getAnchor(String dataspaceName, String anchorName) {
return null;
}
@Override
public ResponseEntity<Object> getAnchors(String dataspaceName) {
return null;
}
@Override
public ResponseEntity<Object> getModule(String dataspaceName, @Valid String namespaceName, @Valid String revision) {
return null;
}
@Override
public ResponseEntity<Object> getNode(@Valid String body, String dataspaceName) {
return null;
}
@Override
public ResponseEntity<Object> getNodeByDataspaceAndAnchor(@Valid String body, String dataspaceName,
String anchorName) {
return null;
}
/*
Old rest endpoints before contract first approach (Need to be removed).
*/
/**
* Upload a JSON file.
*
* @param uploadedFile the JSON Multipart file.
* @return a ResponseEntity.
*/
@PostMapping("/upload-yang-json-data-file")
public final ResponseEntity<String> uploadYangJsonDataFile(
@RequestParam("file") MultipartFile uploadedFile) {
validateJsonStructure(uploadedFile);
final int persistenceObjectId = cpService.storeJsonStructure(getJsonString(uploadedFile));
return new ResponseEntity<String>(
"Object stored in CPS with identity: " + persistenceObjectId, HttpStatus.OK);
}
/**
* Read a JSON Object using the object identifier.
*
* @param jsonObjectId the JSON object identifier.
* @return a ResponseEntity.
*/
@GetMapping("/json-object/{id}")
public final ResponseEntity<String> getJsonObjectById(
@PathVariable("id") final int jsonObjectId) {
return new ResponseEntity<String>(cpService.getJsonById(jsonObjectId), HttpStatus.OK);
}
/**
* Delete a JSON Object using the object identifier.
*
* @param jsonObjectId the JSON object identifier.
* @return a ResponseEntity.
*/
@DeleteMapping("json-object/{id}")
public final ResponseEntity<Object> deleteJsonObjectById(
@PathVariable("id") final int jsonObjectId) {
cpService.deleteJsonById(jsonObjectId);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
private static void validateJsonStructure(final MultipartFile multipartFile) {
try {
final Gson gson = new Gson();
gson.fromJson(getJsonString(multipartFile), Object.class);
} catch (JsonSyntaxException e) {
throw new CpsValidationException("Not a valid JSON file.", e);
}
}
private static File saveToFile(final MultipartFile multipartFile) {
try {
final File file = File.createTempFile("tempFile", ".yang");
file.deleteOnExit();
try (OutputStream outputStream = new FileOutputStream(file)) {
outputStream.write(multipartFile.getBytes());
}
return file;
} catch (IOException e) {
throw new CpsException(e);
}
}
private static String getJsonString(final MultipartFile multipartFile) {
try {
return new String(multipartFile.getBytes());
} catch (IOException e) {
throw new CpsException(e);
}
}
}
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