1 files changed, 97 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/acm/participant/simulator/main/rest/ParticipantErrorController.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/acm/participant/simulator/main/rest/ParticipantErrorController.java
new file mode 100644
index 000000000..e32c57254
--- /dev/null
+++ b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/acm/participant/simulator/main/rest/ParticipantErrorController.java
@@ -0,0 +1,97 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Modifications Copyright (C) 2021 AT&T Intellectual Property. 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.policy.clamp.acm.participant.simulator.main.rest;
+
+import java.util.Map;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.http.HttpServletRequest;
+import org.onap.policy.clamp.models.acm.messages.rest.SimpleResponse;
+import org.onap.policy.clamp.models.acm.messages.rest.TypedSimpleResponse;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.web.error.ErrorAttributeOptions;
+import org.springframework.boot.web.servlet.error.ErrorAttributes;
+import org.springframework.boot.web.servlet.error.ErrorController;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.context.request.ServletWebRequest;
+
+@Controller
+public class ParticipantErrorController implements ErrorController {
+
+    private final ErrorAttributes errorAttributes;
+
+    @Value("${server.error.path}")
+    private String path;
+
+    /**
+     * Constructor.
+     *
+     * @param errorAttributes ErrorAttributes
+     */
+    public ParticipantErrorController(ErrorAttributes errorAttributes) {
+        this.errorAttributes = errorAttributes;
+    }
+
+    protected HttpStatus getStatus(HttpServletRequest request) {
+        Integer statusCode = (Integer) request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE);
+        if (statusCode == null) {
+            return HttpStatus.INTERNAL_SERVER_ERROR;
+        }
+        try {
+            return HttpStatus.valueOf(statusCode);
+        } catch (Exception ex) {
+            return HttpStatus.INTERNAL_SERVER_ERROR;
+        }
+    }
+
+    /**
+     * Handle Errors not handled to GlobalControllerExceptionHandler.
+     *
+     * @param request HttpServletRequest
+     * @return ResponseEntity
+     */
+    @RequestMapping(value = "${server.error.path}", produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<TypedSimpleResponse<SimpleResponse>> handleError(HttpServletRequest request) {
+        Map<String, Object> map = this.errorAttributes.getErrorAttributes(new ServletWebRequest(request),
+                ErrorAttributeOptions.defaults());
+
+        var sb = new StringBuilder();
+        final Object error = map.get("error");
+        if (error != null) {
+            sb.append(error.toString() + " ");
+        }
+        final Object message = map.get("message");
+        if (message != null) {
+            sb.append(message.toString());
+        }
+
+        TypedSimpleResponse<SimpleResponse> resp = new TypedSimpleResponse<>();
+        resp.setErrorDetails(sb.toString());
+
+        return ResponseEntity.status(getStatus(request)).body(resp);
+
+    }
+}