2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 Nordix Foundation
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================LICENSE_END===================================
20 package org.oransc.ric.portal.dashboard.controller;
22 import com.google.gson.Gson;
23 import com.google.gson.GsonBuilder;
25 import io.swagger.annotations.ApiOperation;
27 import java.lang.invoke.MethodHandles;
28 import java.util.Collection;
30 import javax.servlet.http.HttpServletResponse;
32 import org.oransc.ric.portal.dashboard.DashboardConstants;
33 import org.oransc.ric.portal.dashboard.exceptions.HttpBadRequestException;
34 import org.oransc.ric.portal.dashboard.exceptions.HttpInternalServerErrorException;
35 import org.oransc.ric.portal.dashboard.exceptions.HttpNotFoundException;
36 import org.oransc.ric.portal.dashboard.exceptions.HttpNotImplementedException;
37 import org.oransc.ric.portal.dashboard.model.PolicyInstances;
38 import org.oransc.ric.portal.dashboard.model.PolicyTypes;
39 import org.oransc.ric.portal.dashboard.policyagentapi.PolicyAgentApi;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
42 import org.springframework.beans.factory.annotation.Autowired;
43 import org.springframework.http.HttpStatus;
44 import org.springframework.http.MediaType;
45 import org.springframework.http.ResponseEntity;
46 import org.springframework.security.access.annotation.Secured;
47 import org.springframework.util.Assert;
48 import org.springframework.web.bind.annotation.DeleteMapping;
49 import org.springframework.web.bind.annotation.GetMapping;
50 import org.springframework.web.bind.annotation.PathVariable;
51 import org.springframework.web.bind.annotation.PutMapping;
52 import org.springframework.web.bind.annotation.RequestBody;
53 import org.springframework.web.bind.annotation.RequestMapping;
54 import org.springframework.web.bind.annotation.RequestParam;
55 import org.springframework.web.bind.annotation.RestController;
58 * Proxies calls from the front end to the Policy agent API.
60 * If a method throws RestClientResponseException, it is handled by
61 * {@link CustomResponseEntityExceptionHandler#handleProxyMethodException(Exception, org.springframework.web.context.request.WebRequest)}
62 * which returns status 502. All other exceptions are handled by Spring which
66 @RequestMapping(value = PolicyController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
67 public class PolicyController {
69 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
70 private static Gson gson = new GsonBuilder() //
74 // Publish paths in constants so tests are easy to write
75 public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/policy";
77 public static final String VERSION_METHOD = DashboardConstants.VERSION_METHOD;
78 public static final String POLICY_TYPES_METHOD = "policytypes";
79 public static final String POLICY_TYPE_ID_NAME = "policy_type_id";
80 public static final String POLICIES_NAME = "policies";
81 public static final String POLICY_INSTANCE_ID_NAME = "policy_instance_id";
83 // Populated by the autowired constructor
84 private final PolicyAgentApi policyAgentApi;
87 public PolicyController(final PolicyAgentApi policyAgentApi) {
88 Assert.notNull(policyAgentApi, "API must not be null");
89 this.policyAgentApi = policyAgentApi;
90 logger.debug("ctor: configured with client type {}", policyAgentApi.getClass().getName());
94 * The fields are defined in the Policy Control Typescript interface.
96 @ApiOperation(value = "Gets the policy types from Near Realtime-RIC")
97 @GetMapping(POLICY_TYPES_METHOD)
98 @Secured({DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD})
99 public ResponseEntity<PolicyTypes> getAllPolicyTypes(HttpServletResponse response) {
100 logger.debug("getAllPolicyTypes");
101 return this.policyAgentApi.getAllPolicyTypes();
104 @ApiOperation(value = "Returns the policy instances for the given policy type.")
105 @GetMapping(POLICY_TYPES_METHOD + "/{" + POLICY_TYPE_ID_NAME + "}/" + POLICIES_NAME)
106 @Secured({DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD})
107 public ResponseEntity<String> getPolicyInstances(@PathVariable(POLICY_TYPE_ID_NAME) String policyTypeIdString) {
108 logger.debug("getPolicyInstances {}", policyTypeIdString);
110 ResponseEntity<PolicyInstances> response = this.policyAgentApi.getPolicyInstancesForType(policyTypeIdString);
111 if (!response.getStatusCode().is2xxSuccessful()) {
112 return new ResponseEntity<>(response.getStatusCode());
114 String json = gson.toJson(response.getBody());
115 return new ResponseEntity<>(json, response.getStatusCode());
118 @ApiOperation(value = "Returns a policy instance of a type")
119 @GetMapping(POLICY_TYPES_METHOD + "/{" + POLICY_TYPE_ID_NAME + "}/" + POLICIES_NAME + "/{" + POLICY_INSTANCE_ID_NAME
121 @Secured({DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD})
122 public ResponseEntity<String> getPolicyInstance(@PathVariable(POLICY_TYPE_ID_NAME) String policyTypeIdString,
123 @PathVariable(POLICY_INSTANCE_ID_NAME) String policyInstanceId) {
124 logger.debug("getPolicyInstance {}:{}", policyTypeIdString, policyInstanceId);
125 return this.policyAgentApi.getPolicyInstance(policyInstanceId);
128 @ApiOperation(value = "Creates the policy instances for the given policy type.")
129 @PutMapping(POLICY_TYPES_METHOD + "/{" + POLICY_TYPE_ID_NAME + "}/" + POLICIES_NAME + "/{" + POLICY_INSTANCE_ID_NAME
131 @Secured({DashboardConstants.ROLE_ADMIN})
132 public ResponseEntity<String> putPolicyInstance(@PathVariable(POLICY_TYPE_ID_NAME) String policyTypeIdString,
133 @RequestParam(name = "ric", required = true) String ric,
134 @PathVariable(POLICY_INSTANCE_ID_NAME) String policyInstanceId, @RequestBody String instance) {
135 logger.debug("putPolicyInstance typeId: {}, instanceId: {}, instance: {}", policyTypeIdString, policyInstanceId,
137 return this.policyAgentApi.putPolicy(policyTypeIdString, policyInstanceId, instance, ric);
140 @ApiOperation(value = "Deletes the policy instances for the given policy type.")
141 @DeleteMapping(POLICY_TYPES_METHOD + "/{" + POLICY_TYPE_ID_NAME + "}/" + POLICIES_NAME + "/{"
142 + POLICY_INSTANCE_ID_NAME + "}")
143 @Secured({DashboardConstants.ROLE_ADMIN})
144 public void deletePolicyInstance(@PathVariable(POLICY_TYPE_ID_NAME) String policyTypeIdString,
145 @PathVariable(POLICY_INSTANCE_ID_NAME) String policyInstanceId) {
146 logger.debug("deletePolicyInstance typeId: {}, instanceId: {}", policyTypeIdString, policyInstanceId);
147 this.policyAgentApi.deletePolicy(policyInstanceId);
150 private void checkHttpError(String httpCode) {
151 logger.debug("Http Response Code: {}", httpCode);
152 if (httpCode.equals(String.valueOf(HttpStatus.NOT_FOUND.value()))) {
153 logger.error("Caught HttpNotFoundException");
154 throw new HttpNotFoundException("Not Found Exception");
155 } else if (httpCode.equals(String.valueOf(HttpStatus.BAD_REQUEST.value()))) {
156 logger.error("Caught HttpBadRequestException");
157 throw new HttpBadRequestException("Bad Request Exception");
158 } else if (httpCode.equals(String.valueOf(HttpStatus.INTERNAL_SERVER_ERROR.value()))) {
159 logger.error("Caught HttpInternalServerErrorException");
160 throw new HttpInternalServerErrorException("Internal Server Error Exception");
161 } else if (httpCode.equals(String.valueOf(HttpStatus.NOT_IMPLEMENTED.value()))) {
162 logger.error("Caught HttpNotImplementedException");
163 throw new HttpNotImplementedException("Not Implemented Exception");
167 @ApiOperation(value = "Returns the rics supporting the given policy type.")
169 @Secured({DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD})
170 public ResponseEntity<String> getRicsSupportingType(
171 @RequestParam(name = "policyType", required = true) String supportingPolicyType) {
172 logger.debug("getRicsSupportingType {}", supportingPolicyType);
174 ResponseEntity<Collection<String>> result = this.policyAgentApi.getRicsSupportingType(supportingPolicyType);
175 if (!result.getStatusCode().is2xxSuccessful()) {
176 return new ResponseEntity<>(result.getStatusCode());
178 String json = gson.toJson(result.getBody());
179 return new ResponseEntity<>(json, result.getStatusCode());