1 files changed, 221 insertions, 0 deletions
diff --git a/mso-api-handlers/mso-api-handler-common/src/main/java/org/onap/so/apihandler/common/ResponseHandler.java b/mso-api-handlers/mso-api-handler-common/src/main/java/org/onap/so/apihandler/common/ResponseHandler.java
new file mode 100644
index 0000000000..fc6da3fa7d
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-common/src/main/java/org/onap/so/apihandler/common/ResponseHandler.java
@@ -0,0 +1,221 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.apihandler.common;
+
+
+import java.io.IOException;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpStatus;
+import org.apache.http.util.EntityUtils;
+import org.onap.so.apihandler.camundabeans.CamundaResponse;
+import org.onap.so.apihandlerinfra.Constants;
+import org.onap.so.apihandlerinfra.exceptions.ApiException;
+import org.onap.so.apihandlerinfra.exceptions.BPMNFailureException;
+import org.onap.so.apihandlerinfra.exceptions.ValidateException;
+import org.onap.so.apihandlerinfra.logging.ErrorLoggerInfo;
+import org.onap.so.logger.MessageEnum;
+import org.onap.so.logger.MsoLogger;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class ResponseHandler {
+
+	private CamundaResponse response;
+	private int status;
+	private String responseBody="";
+	private HttpResponse httpResponse;
+	private int type;
+	private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.APIH, ResponseHandler.class);
+
+	public ResponseHandler(HttpResponse httpResponse, int type) throws ApiException{
+		this.httpResponse = httpResponse;
+		this.type=type;
+		parseResponse();
+	}
+
+
+	private void parseResponse() throws ApiException{
+		int statusCode = httpResponse.getStatusLine().getStatusCode();
+		status = setStatus(statusCode);
+		if(type==CommonConstants.CAMUNDA){
+			parseCamunda();
+		}else if(type==CommonConstants.CAMUNDATASK){
+			parseCamundaTask();
+		}else {
+			parseBpel();
+		}
+		
+	}
+	
+
+	
+	private void parseCamunda() throws ApiException{
+		try{
+				HttpEntity entity = httpResponse.getEntity();
+				responseBody = EntityUtils.toString(entity);
+			} catch (IOException e) {
+				ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_VALIDATION_ERROR, MsoLogger.ErrorCode.SchemaError).errorSource(Constants.MSO_PROP_APIHANDLER_INFRA).build();
+
+
+				ValidateException validateException = new ValidateException.Builder("IOException getting Camunda response body", HttpStatus.SC_BAD_REQUEST, ErrorNumbers.SVC_BAD_PARAMETER).cause(e)
+					.errorInfo(errorLoggerInfo).build();
+				throw validateException;
+			}
+		
+			ObjectMapper mapper = new ObjectMapper(); 
+			try {
+				response = mapper.readValue(responseBody, CamundaResponse.class);
+			} catch (IOException e) {
+				ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_REQUEST_VALIDATION_ERROR, MsoLogger.ErrorCode.SchemaError).errorSource(Constants.MSO_PROP_APIHANDLER_INFRA).build();
+
+
+				ValidateException validateException = new ValidateException.Builder("JSON Object Mapping Request", HttpStatus.SC_BAD_REQUEST, ErrorNumbers.SVC_BAD_PARAMETER).cause(e)
+						.errorInfo(errorLoggerInfo).build();
+				throw validateException;
+			}
+			if(response!=null){
+				responseBody = response.getResponse();
+			}else{
+                ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_ERROR_FROM_BPEL_SERVER, MsoLogger.ErrorCode.BusinessProcesssError)
+                        .targetEntity("Camunda").targetServiceName("parseCamunda").build();
+                BPMNFailureException bpmnFailureException = new BPMNFailureException.Builder(String.valueOf(status), status, ErrorNumbers.ERROR_FROM_BPEL)
+                        .errorInfo(errorLoggerInfo).build();
+            }
+	}
+	
+	private void parseBpel() throws ApiException{
+
+		HttpEntity bpelEntity = httpResponse.getEntity();
+
+		try {
+			if (bpelEntity != null) {
+				responseBody = EntityUtils.toString(bpelEntity);
+
+			}
+		}catch(IOException e){
+			ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_GENERAL_EXCEPTION, MsoLogger.ErrorCode.DataError).build();
+			ValidateException validateException = new ValidateException.Builder("Could not convert BPEL response to string", HttpStatus.SC_BAD_REQUEST, ErrorNumbers.SVC_BAD_PARAMETER).cause(e)
+					.errorInfo(errorLoggerInfo).build();
+			throw validateException;
+		}
+		if(status!=HttpStatus.SC_ACCEPTED){
+			ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_ERROR_FROM_BPEL_SERVER, MsoLogger.ErrorCode.BusinessProcesssError)
+					.targetEntity("BPEL").targetServiceName("parseBpel").build();
+
+
+			BPMNFailureException bpmnFailureException = new BPMNFailureException.Builder(String.valueOf(status), status, ErrorNumbers.ERROR_FROM_BPEL)
+					.errorInfo(errorLoggerInfo).build();
+
+			throw bpmnFailureException;
+		}
+
+	}
+	
+	private void parseCamundaTask() throws ApiException{
+
+		HttpEntity camundataskEntity = httpResponse.getEntity();
+
+		try {
+			if (camundataskEntity != null) {
+				responseBody = EntityUtils.toString(camundataskEntity);
+			}
+		}catch(IOException e) {
+			ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_GENERAL_EXCEPTION, MsoLogger.ErrorCode.DataError).build();
+
+
+			ValidateException validateException = new ValidateException.Builder("Could not convert CamundaTask response to string", HttpStatus.SC_BAD_REQUEST, ErrorNumbers.SVC_BAD_PARAMETER).cause(e)
+					.errorInfo(errorLoggerInfo).build();
+			throw validateException;
+		}
+		if(status!=HttpStatus.SC_NO_CONTENT && status != HttpStatus.SC_ACCEPTED){
+			ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_ERROR_FROM_BPEL_SERVER, MsoLogger.ErrorCode.BusinessProcesssError)
+					.targetEntity("CAMUNDATASK").targetServiceName("parseCamundaTask").build();
+
+
+			BPMNFailureException bpmnFailureException = new BPMNFailureException.Builder(String.valueOf(status), status, ErrorNumbers.ERROR_FROM_BPEL)
+					.errorInfo(errorLoggerInfo).build();
+
+			throw bpmnFailureException;
+		} 
+
+	}
+
+	private int setStatus(int statusCode){
+		int httpStatus;
+		switch(statusCode) {
+		case HttpStatus.SC_ACCEPTED:
+		case HttpStatus.SC_OK:		
+			httpStatus = HttpStatus.SC_ACCEPTED;
+			break;
+		case HttpStatus.SC_BAD_REQUEST:
+			httpStatus = HttpStatus.SC_BAD_REQUEST;
+			break;
+		case HttpStatus.SC_UNAUTHORIZED:
+		case HttpStatus.SC_FORBIDDEN:
+			httpStatus = HttpStatus.SC_INTERNAL_SERVER_ERROR;
+			break;
+		case HttpStatus.SC_NOT_FOUND:
+			httpStatus = HttpStatus.SC_NOT_IMPLEMENTED;
+			break;
+		case HttpStatus.SC_INTERNAL_SERVER_ERROR:
+			httpStatus = HttpStatus.SC_BAD_GATEWAY;
+			break;
+		case HttpStatus.SC_SERVICE_UNAVAILABLE:
+			httpStatus = HttpStatus.SC_SERVICE_UNAVAILABLE;
+			break;
+		case HttpStatus.SC_NO_CONTENT:
+			httpStatus = HttpStatus.SC_NO_CONTENT;
+			break;
+		default:
+			httpStatus = HttpStatus.SC_INTERNAL_SERVER_ERROR;
+			break;
+		}
+		return httpStatus;
+	}
+
+
+	public CamundaResponse getResponse() {
+		return response;
+	}
+
+
+	public void setResponse(CamundaResponse response) {
+		this.response = response;
+	}
+
+
+	public String getResponseBody() {
+		return responseBody;
+	}
+
+
+	public void setResponseBody(String responseBody) {
+		this.responseBody = responseBody;
+	}
+
+
+	public int getStatus() {
+		return status;
+	}
+
+}