1 files changed, 70 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/restapi/ApiException.java b/src/main/java/org/onap/dcae/restapi/ApiException.java
new file mode 100644
index 00000000..3feeacfc
--- /dev/null
+++ b/src/main/java/org/onap/dcae/restapi/ApiException.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dcaegen2.collectors.ves
+ * ================================================================================
+ * Copyright (C) 2018 Nokia. 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.restapi;
+
+import com.google.common.base.CaseFormat;
+import org.json.JSONObject;
+
+/**
+ * @author Pawel Szalapski (pawel.szalapski@nokia.com)
+ */
+public enum ApiException {
+
+    INVALID_JSON_INPUT(ExceptionType.SERVICE_EXCEPTION, "SVC0002", "Incorrect JSON payload", 400),
+    SCHEMA_VALIDATION_FAILED(ExceptionType.SERVICE_EXCEPTION, "SVC0002", "Bad Parameter (JSON does not conform to schema)", 400),
+    INVALID_CONTENT_TYPE(ExceptionType.SERVICE_EXCEPTION, "SVC0002", "Bad Parameter (Incorrect request Content-Type)", 400),
+    UNAUTHORIZED_USER(ExceptionType.POLICY_EXCEPTION, "POL2000", "Unauthorized user", 401),
+    NO_SERVER_RESOURCES(ExceptionType.SERVICE_EXCEPTION, "SVC1000", "No server resources (internal processing queue full)", 503);
+
+    public final ExceptionType type;
+    public final String code;
+    public final String details;
+    public final int httpStatusCode;
+
+    ApiException(ExceptionType type, String code, String details, int httpStatusCode) {
+        this.type = type;
+        this.code = code;
+        this.details = details;
+        this.httpStatusCode = httpStatusCode;
+    }
+
+    public enum ExceptionType {
+        SERVICE_EXCEPTION, POLICY_EXCEPTION;
+
+        @Override
+        public String toString() {
+            return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, this.name());
+        }
+    }
+
+    public JSONObject toJSON() {
+        JSONObject exceptionTypeNode = new JSONObject();
+        exceptionTypeNode.put("messageId", code );
+        exceptionTypeNode.put("text", details);
+
+        JSONObject requestErrorNode = new JSONObject();
+        requestErrorNode.put(type.toString(), exceptionTypeNode);
+
+        JSONObject rootNode = new JSONObject();
+        rootNode.put("requestError", requestErrorNode);
+        return rootNode;
+    }
+
+}