X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fcontroller%2FA1MediatorController.java;fp=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fcontroller%2FA1MediatorController.java;h=a1180f6a7ad956ade0eaa1110df99582f3736a7f;hb=749749f288de7ef42e3d1507c7f07a4453a774b4;hp=0000000000000000000000000000000000000000;hpb=7845281a4bdb97925cba281f133ef058f15a1f95;p=portal%2Fric-dashboard.git

diff --git a/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/A1MediatorController.java b/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/A1MediatorController.java
new file mode 100644
index 00000000..a1180f6a
--- /dev/null
+++ b/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/A1MediatorController.java
@@ -0,0 +1,111 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property and Nokia
+ * %%
+ * 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.
+ * ========================LICENSE_END===================================
+ */
+package org.oransc.ric.portal.dashboard.controller;
+
+import java.lang.invoke.MethodHandles;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.oransc.ric.a1med.client.api.A1MediatorApi;
+import org.oransc.ric.portal.dashboard.DashboardApplication;
+import org.oransc.ric.portal.dashboard.DashboardConstants;
+import org.oransc.ric.portal.dashboard.model.SuccessTransport;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.util.Assert;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+
+/**
+ * Proxies calls from the front end to the A1 Mediator API to get and put
+ * policies. The first application managed via this path is Admission Control.
+ * 
+ * If a method throws RestClientResponseException, it is handled by
+ * {@link CustomResponseEntityExceptionHandler#handleProxyMethodException(Exception, org.springframework.web.context.request.WebRequest)}
+ * which returns status 502. All other exceptions are handled by Spring which
+ * returns status 500.
+ */
+@RestController
+@RequestMapping(value = A1MediatorController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
+public class A1MediatorController {
+
+	private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+	// Publish paths in constants so tests are easy to write
+	public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/a1-p";
+	// Endpoints
+	public static final String VERSION_METHOD = DashboardConstants.VERSION_METHOD;
+	// Path parameters
+	public static final String PP_POLICIES = "policies";
+
+	// Populated by the autowired constructor
+	private final A1MediatorApi a1MediatorApi;
+
+	@Autowired
+	public A1MediatorController(final A1MediatorApi a1MediatorApi) {
+		Assert.notNull(a1MediatorApi, "API must not be null");
+		this.a1MediatorApi = a1MediatorApi;
+		if (logger.isDebugEnabled())
+			logger.debug("ctor: configured with client type {}", a1MediatorApi.getClass().getName());
+	}
+
+	@ApiOperation(value = "Gets the A1 client library MANIFEST.MF property Implementation-Version.", response = SuccessTransport.class)
+	@GetMapping(VERSION_METHOD)
+	// No role required
+	public SuccessTransport getA1MediatorClientVersion() {
+		return new SuccessTransport(200, DashboardApplication.getImplementationVersion(A1MediatorApi.class));
+	}
+
+	/*
+	 * This method is deliberately kept ignorant of the data passing thru.
+	 */
+	@ApiOperation(value = "Gets the specified policy from the A1 Mediator")
+	@GetMapping(PP_POLICIES + "/{" + PP_POLICIES + "}")
+	@Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+	public Object getPolicy(@PathVariable(PP_POLICIES) String policyName) {
+		logger.debug("getPolicy {}", policyName);
+		return a1MediatorApi.a1ControllerGetHandler(policyName);
+	}
+
+	/*
+	 * This method is deliberately kept ignorant of the data passing thru.
+	 */
+	@ApiOperation(value = "Puts the specified policy to the A1 Mediator")
+	@PutMapping(PP_POLICIES + "/{" + PP_POLICIES + "}")
+	@Secured({ DashboardConstants.ROLE_ADMIN })
+	public void putPolicy(@PathVariable(PP_POLICIES) String policyName,
+			@ApiParam(value = "Policy body") @RequestBody String policy, //
+			HttpServletResponse response) {
+		logger.debug("putPolicy name {} value {}", policyName, policy);
+		a1MediatorApi.a1ControllerPutHandler(policyName, policy);
+		response.setStatus(a1MediatorApi.getApiClient().getStatusCode().value());
+	}
+
+}