1 files changed, 147 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dmaap/dmf/mr/service/impl/ErrorResponseProvider.java b/src/main/java/org/onap/dmaap/dmf/mr/service/impl/ErrorResponseProvider.java
new file mode 100644
index 0000000..3456eb9
--- /dev/null
+++ b/src/main/java/org/onap/dmaap/dmf/mr/service/impl/ErrorResponseProvider.java
@@ -0,0 +1,147 @@
+/*******************************************************************************
+ *  ============LICENSE_START===================================================
+ *  org.onap.dmaap
+ *  ============================================================================
+ *  Copyright © 2019 Nokia 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.
+ *  ============LICENSE_END=====================================================
+ ******************************************************************************/
+package org.onap.dmaap.dmf.mr.service.impl;
+
+import com.google.common.base.Preconditions;
+import org.apache.http.HttpStatus;
+import org.onap.dmaap.dmf.mr.exception.DMaaPErrorMessages;
+import org.onap.dmaap.dmf.mr.exception.DMaaPResponseCode;
+import org.onap.dmaap.dmf.mr.exception.ErrorResponse;
+import org.onap.dmaap.dmf.mr.utils.Utils;
+
+import java.util.Date;
+
+class ErrorResponseProvider {
+
+    private String clientId;
+    private String topicName;
+    private String consumerGroup;
+    private String remoteHost;
+    private String publisherId;
+    private String publisherIp;
+    private DMaaPErrorMessages errorMessages;
+
+    private ErrorResponseProvider() {
+
+    }
+
+    ErrorResponse getIpBlacklistedError(String remoteAddr) {
+        return new ErrorResponse(HttpStatus.SC_FORBIDDEN,
+            DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),
+            "Source address [" + remoteAddr + "] is blacklisted. Please contact the cluster management team.",
+            null, Utils.getFormattedDate(new Date()), topicName, publisherId,
+            publisherIp, consumerGroup + "/" + clientId, remoteHost);
+    }
+
+    ErrorResponse getTopicNotFoundError() {
+        return new ErrorResponse(HttpStatus.SC_NOT_FOUND,
+            DMaaPResponseCode.RESOURCE_NOT_FOUND.getResponseCode(),
+            errorMessages.getTopicNotExist() + "-[" + topicName + "]", null, Utils.getFormattedDate(new Date()),
+            topicName, publisherId, publisherIp, consumerGroup + "/" + clientId, remoteHost);
+    }
+
+    ErrorResponse getAafAuthorizationError(String permission, String action) {
+        return new ErrorResponse(HttpStatus.SC_UNAUTHORIZED,
+            DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),
+            errorMessages.getNotPermitted1() + action + errorMessages.getNotPermitted2() + topicName + " on "
+                + permission,
+            null, Utils.getFormattedDate(new Date()), topicName, publisherId, publisherIp, consumerGroup + "/" + clientId,
+            remoteHost);
+    }
+
+    ErrorResponse getServiceUnavailableError(String msg) {
+        return new ErrorResponse(HttpStatus.SC_SERVICE_UNAVAILABLE,
+            DMaaPResponseCode.SERVER_UNAVAILABLE.getResponseCode(),
+            errorMessages.getServerUnav() + msg, null, Utils.getFormattedDate(new Date()), topicName,
+            publisherId, publisherIp, consumerGroup + "/" + clientId, remoteHost);
+    }
+
+    ErrorResponse getConcurrentModificationError() {
+        return new ErrorResponse(HttpStatus.SC_CONFLICT,
+            DMaaPResponseCode.TOO_MANY_REQUESTS.getResponseCode(),
+            "Couldn't respond to client, possible of consumer requests from more than one server. Please contact MR team if you see this issue occurs continously", null,
+            Utils.getFormattedDate(new Date()), topicName, publisherId, publisherIp, consumerGroup + "/" + clientId, remoteHost);
+    }
+
+    ErrorResponse getGenericError(String msg) {
+        return new ErrorResponse(HttpStatus.SC_SERVICE_UNAVAILABLE,
+            DMaaPResponseCode.SERVER_UNAVAILABLE.getResponseCode(),
+            "Couldn't respond to client, closing cambria consumer" + msg, null,
+            Utils.getFormattedDate(new Date()), topicName, publisherId, publisherIp, consumerGroup + "/" + clientId, remoteHost);
+    }
+
+    public static class Builder {
+
+        private String clientId;
+        private String topicName;
+        private String consumerGroup;
+        private String remoteHost;
+        private String publisherId;
+        private String publisherIp;
+        DMaaPErrorMessages errorMessages;
+
+        Builder withErrorMessages(DMaaPErrorMessages errorMessages) {
+            this.errorMessages = errorMessages;
+            return this;
+        }
+
+        Builder withTopic(String topic) {
+            this.topicName = topic;
+            return this;
+        }
+
+        Builder withClient(String client) {
+            this.clientId = client;
+            return this;
+        }
+
+        Builder withConsumerGroup(String consumerGroup) {
+            this.consumerGroup = consumerGroup;
+            return this;
+        }
+
+        Builder withRemoteHost(String remoteHost) {
+            this.remoteHost = remoteHost;
+            return this;
+        }
+
+        Builder withPublisherId(String publisherId) {
+            this.publisherId = publisherId;
+            return this;
+        }
+
+        Builder withPublisherIp(String publisherIp) {
+            this.publisherIp = publisherIp;
+            return this;
+        }
+
+        public ErrorResponseProvider build() {
+            Preconditions.checkArgument(errorMessages!=null);
+            ErrorResponseProvider errRespProvider = new ErrorResponseProvider();
+            errRespProvider.errorMessages = this.errorMessages;
+            errRespProvider.clientId = this.clientId;
+            errRespProvider.consumerGroup = this.consumerGroup;
+            errRespProvider.topicName = this.topicName;
+            errRespProvider.remoteHost = this.remoteHost;
+            errRespProvider.publisherId = this.publisherId;
+            errRespProvider.publisherIp = this.publisherIp;
+            return errRespProvider;
+        }
+    }
+}