2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023 Nordix Foundation.
4 * Modifications Copyright (C) 2023 Bell Canada.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.pap.main.rest.stub;
24 import com.google.gson.Gson;
25 import java.io.IOException;
26 import java.nio.charset.StandardCharsets;
27 import java.util.Arrays;
28 import java.util.HashMap;
29 import java.util.List;
31 import javax.servlet.http.HttpServletRequest;
32 import lombok.RequiredArgsConstructor;
33 import org.onap.policy.pap.main.rest.PapRestControllerV1;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
36 import org.springframework.context.annotation.Profile;
37 import org.springframework.core.io.ClassPathResource;
38 import org.springframework.http.HttpStatus;
39 import org.springframework.http.ResponseEntity;
40 import org.springframework.stereotype.Service;
42 @RequiredArgsConstructor
46 private static final Logger log = LoggerFactory.getLogger(StubUtils.class);
47 private static final String APPLICATION_JSON = "application/json";
48 private static final String SERIALIZE_RESPONSE_FAILURE_MSG =
49 "Couldn't serialize response for content type application/json";
50 private final HttpServletRequest request;
51 private static final String ACCEPT = "Accept";
52 private static final String PAP_DB =
54 private static final Gson JSON_TRANSLATOR = new Gson();
56 <T> ResponseEntity<T> getStubbedResponse(Class<T> clazz) {
57 var accept = request.getHeader(ACCEPT);
58 if (accept != null && accept.contains(APPLICATION_JSON)) {
59 final var resource = new ClassPathResource(PAP_DB);
60 try (var inputStream = resource.getInputStream()) {
61 final var string = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
62 var targetObject = JSON_TRANSLATOR.fromJson(string, clazz);
63 return new ResponseEntity<>(targetObject, HttpStatus.OK);
64 } catch (IOException e) {
65 log.error(SERIALIZE_RESPONSE_FAILURE_MSG, e);
66 return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
69 return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
72 <T> ResponseEntity<List<T>> getStubbedResponseList(Class<T> clazz) {
73 var accept = request.getHeader(ACCEPT);
74 if (accept != null && accept.contains(APPLICATION_JSON)) {
75 final var resource = new ClassPathResource(PAP_DB);
76 try (var inputStream = resource.getInputStream()) {
77 final var string = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
78 var targetObject = Arrays.asList(JSON_TRANSLATOR.fromJson(string, clazz));
79 return new ResponseEntity<>(targetObject, HttpStatus.OK);
80 } catch (IOException e) {
81 log.error(SERIALIZE_RESPONSE_FAILURE_MSG, e);
82 return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
85 return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
88 ResponseEntity<Map<String, Object>> getStubbedResponseMap() {
89 var accept = request.getHeader(ACCEPT);
90 if (accept != null && accept.contains(APPLICATION_JSON)) {
91 final var resource = new ClassPathResource(PAP_DB);
92 try (var inputStream = resource.getInputStream()) {
93 Map<String, Object> map = new HashMap<>();
94 final var string = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
95 map.put(PapRestControllerV1.API_VERSION_NAME,
96 JSON_TRANSLATOR.fromJson(string, Object.class));
97 return new ResponseEntity<>(map, HttpStatus.OK);
98 } catch (IOException e) {
99 log.error(SERIALIZE_RESPONSE_FAILURE_MSG, e);
100 return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
103 return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);