1 files changed, 168 insertions, 0 deletions
diff --git a/so-sdn-clients/src/main/java/org/onap/so/client/sdnc/SdnCommonTasks.java b/so-sdn-clients/src/main/java/org/onap/so/client/sdnc/SdnCommonTasks.java
new file mode 100644
index 0000000000..01ac675d83
--- /dev/null
+++ b/so-sdn-clients/src/main/java/org/onap/so/client/sdnc/SdnCommonTasks.java
@@ -0,0 +1,168 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Modifications Copyright (c) 2019 Samsung
+ * ================================================================================
+ * 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.so.client.sdnc;
+
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import org.onap.so.logger.LoggingAnchor;
+import org.apache.commons.lang.StringUtils;
+import org.apache.http.HttpStatus;
+import org.onap.so.client.exception.BadResponseException;
+import org.onap.so.client.exception.MapperException;
+import org.onap.logging.filter.base.ErrorCode;
+import org.onap.so.logger.MessageEnum;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Component;
+import org.springframework.util.CollectionUtils;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+@Component
+public class SdnCommonTasks {
+
+    private static final Logger logger = LoggerFactory.getLogger(SDNCClient.class);
+    private static final String RESPONSE_CODE = "response-code";
+    private static final String RESPONSE_MESSAGE = "response-message";
+    private static final String NO_RESPONSE_FROM_SDNC = "Error did not receive a response from SDNC.";
+    private static final String BAD_RESPONSE_FROM_SDNC = "Error received a bad response from SDNC.";
+    private static final String SDNC_CODE_NOT_0_OR_IN_200_299 = "Error from SDNC: %s";
+    private static final String COULD_NOT_CONVERT_SDNC_POJO_TO_JSON =
+            "ERROR: Could not convert SDNC pojo to json string.";
+    private static final String BRACKETS = LoggingAnchor.FIVE;
+
+    /***
+     * 
+     * @param request
+     * @return
+     * @throws MapperException
+     */
+    public String buildJsonRequest(Object request) throws MapperException {
+        String jsonRequest;
+        ObjectMapper objMapper = new ObjectMapper();
+        objMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        try {
+            jsonRequest = objMapper.writerWithDefaultPrettyPrinter().writeValueAsString(request);
+        } catch (JsonProcessingException e) {
+            logger.error(BRACKETS, MessageEnum.JAXB_EXCEPTION.toString(), COULD_NOT_CONVERT_SDNC_POJO_TO_JSON, "BPMN",
+                    ErrorCode.DataError.getValue(), e.getMessage());
+            throw new MapperException(COULD_NOT_CONVERT_SDNC_POJO_TO_JSON);
+        }
+        jsonRequest = "{\"input\":" + jsonRequest + "}";
+        logger.info(jsonRequest);
+        return jsonRequest;
+    }
+
+    /***
+     * 
+     * @param auth
+     * @return
+     */
+    public HttpHeaders getHttpHeaders(String auth, boolean includeContentType) {
+        HttpHeaders httpHeader = new HttpHeaders();
+        httpHeader.set("Authorization", auth);
+        if (includeContentType) {
+            httpHeader.setContentType(MediaType.APPLICATION_JSON);
+        }
+        List<MediaType> acceptMediaTypes = new ArrayList<>();
+        acceptMediaTypes.add(MediaType.APPLICATION_JSON);
+        httpHeader.setAccept(acceptMediaTypes);
+        return httpHeader;
+    }
+
+    /***
+     * 
+     * @param output
+     * @return
+     * @throws BadResponseException
+     */
+    public String validateSDNResponse(LinkedHashMap<String, Object> output) throws BadResponseException {
+        if (CollectionUtils.isEmpty(output)) {
+            logger.error(BRACKETS, MessageEnum.RA_RESPONSE_FROM_SDNC.toString(), NO_RESPONSE_FROM_SDNC, "BPMN",
+                    ErrorCode.UnknownError.getValue(), NO_RESPONSE_FROM_SDNC);
+            throw new BadResponseException(NO_RESPONSE_FROM_SDNC);
+        }
+        LinkedHashMap<String, Object> embeddedResponse = (LinkedHashMap<String, Object>) output.get("output");
+        String responseCode = "";
+        String responseMessage = "";
+        if (embeddedResponse != null) {
+            responseCode = (String) embeddedResponse.get(RESPONSE_CODE);
+            responseMessage = (String) embeddedResponse.get(RESPONSE_MESSAGE);
+        }
+        ObjectMapper objMapper = new ObjectMapper();
+        String jsonResponse;
+        try {
+            jsonResponse = objMapper.writeValueAsString(output);
+            logger.debug(jsonResponse);
+        } catch (JsonProcessingException e) {
+            logger.warn("Could not convert SDNC Response to String", e);
+            jsonResponse = "";
+        }
+        logger.info("ResponseCode: {} ResponseMessage: {}", responseCode, responseMessage);
+        int code = StringUtils.isNotEmpty(responseCode) ? Integer.parseInt(responseCode) : 0;
+        if (isHttpCodeSuccess(code)) {
+            logger.info("Successful Response from SDNC");
+            return jsonResponse;
+        } else {
+            String errorMessage = String.format(SDNC_CODE_NOT_0_OR_IN_200_299, responseMessage);
+            logger.error(BRACKETS, MessageEnum.RA_RESPONSE_FROM_SDNC.toString(), errorMessage, "BPMN",
+                    ErrorCode.DataError.getValue(), errorMessage);
+            throw new BadResponseException(errorMessage);
+        }
+    }
+
+    /***
+     * 
+     * @param output
+     * @return
+     * @throws BadResponseException
+     */
+    public String validateSDNGetResponse(LinkedHashMap<String, Object> output) throws BadResponseException {
+        if (CollectionUtils.isEmpty(output)) {
+            logger.error(BRACKETS, MessageEnum.RA_RESPONSE_FROM_SDNC.toString(), NO_RESPONSE_FROM_SDNC, "BPMN",
+                    ErrorCode.UnknownError.getValue(), NO_RESPONSE_FROM_SDNC);
+            throw new BadResponseException(NO_RESPONSE_FROM_SDNC);
+        }
+        ObjectMapper objMapper = new ObjectMapper();
+        logger.debug("Using object mapper");
+        String stringOutput = "";
+        try {
+            stringOutput = objMapper.writeValueAsString(output);
+        } catch (Exception e) {
+            logger.error(BRACKETS, MessageEnum.RA_RESPONSE_FROM_SDNC.toString(), BAD_RESPONSE_FROM_SDNC, "BPMN",
+                    ErrorCode.UnknownError.getValue(), BAD_RESPONSE_FROM_SDNC);
+            throw new BadResponseException(BAD_RESPONSE_FROM_SDNC);
+        }
+        logger.debug("Received from GET request: {}", stringOutput);
+        return stringOutput;
+    }
+
+
+    private boolean isHttpCodeSuccess(int code) {
+        return code >= HttpStatus.SC_OK && code < HttpStatus.SC_MULTIPLE_CHOICES || code == 0;
+    }
+}